JP6522019B2 - Deck plate connection bracket and deck plate connection structure - Google Patents

Description

The present invention relates to a deck plate connector and a deck plate connection structure .

  Used for construction of reinforced concrete structures of a given area such as floor slabs, ceiling slabs and roof slabs, which are formed from a plated iron plate base of a given area and a plurality of rebar trusses installed on the top of the iron plate base A deck plate is disclosed (see Patent Document 1). The rebar truss comprises an upper end bar extending longitudinally away from the upper surface of the iron plate base, a lower end bar extending longitudinally between the iron plate base and the upper end bar, and a gap between the iron plate base and the upper end bar And a lattice extending in the front-rear direction while being repeatedly bent in a wave-like manner in the vertical direction. In this deck plate, the upper convex portion of the lattice is spot welded to the upper end in a state in which the upper convex portion of the lattice abuts on the upper end, and the spot welded to the lower end in a state where the middle portion of the lattice abuts to the lower end. Furthermore, the bent portion of the lower recess of the lattice bar bent outward in the width direction parallel to the iron plate base is spot-welded to the upper surface of the iron plate base. In the deck plate, a plurality of them are bridged between the H-section steels (cross beams) of the structure, and concrete is cast on the upper surface of the steel plate base with a predetermined covering size.

JP 2007-170161 A

In Patent Document 1 technology, Ru requires der welding operation by welders having a welding technique.

An object of the present invention is, in view of the above-mentioned fact, to connect a steel flange and a deck plate without performing a welding operation.

  According to a first aspect of the present invention, an end of a deck plate which is extended from the end portion of the fitting portion by being folded back and extended from the end portion of the fitting portion to the flange of steel material and is spanned over the flange It is a deck plate connection metal fitting provided with the board part which clamps a part.
  A second aspect is the deck plate connection fitting according to the first aspect, wherein the fitting portion is elastically deformed and narrowed toward the open side of the fitting portion.
  A 3rd aspect is the deck steel bridged by the steel materials and the said steel materials which the fitting part of the deck plate connection metal fitting of a 1st aspect or a 2nd aspect was inserted in the flange, and was pinched | interposed into the board part of the deck plate connection metal fittings. It is a deck plate connection structure provided with a plate.

Another aspect is a deck plate connector for connecting a deck plate of a predetermined area to a steel material forming a beam of a building.
The deck plate connection fitting has a fitting portion to be fitted to the flange of the steel material and a sandwiching portion to sandwich the end of the deck plate placed on the flange of the steel material. In the deck plate connection fitting, the fitting portion is connecting fitting is attached to the flange via the end portion of the deck plate through the clamping unit Ru is connected to the steel flange.

Another aspect is a first plate having a predetermined area extending in the front-rear direction, and a second plate having a predetermined area extending in the vertical direction connected to a front edge of the first plate, back and forth leading to the upper edge of the second plate direction And a fourth plate of a predetermined area connected to the rear end edge of the third plate and vertically extending and bent forward in the front-rear direction. A first plate that abuts against the lower surface of the flange when the fitting portion is fitted into the flange, a second plate that abuts the end surface of the flange, and a third plate that abuts the upper surface of the flange And a holding portion is formed of a third plate abutting on the lower surface of the end portion of the deck plate and a fourth plate abutting on the upper surface of the end portion of the deck plate when bent forward in the front-rear direction Deck plate connection fitting.

Another aspect is that the third plate is sloped so as to gradually approach the first plate from the front end edge to the rear end edge, and the rear edge of the first plate and the rear edge of the third plate Is a deck plate connection fitting in which the separation dimension between them is smaller than the thickness dimension of the flange .

Another aspect is that the first plate is inclined upward as it approaches the third plate from its front end edge toward its rear end edge, and the rear edge of the first plate and the rear edge of the third plate Is a deck plate connection fitting in which the separation dimension between them is smaller than the thickness dimension of the flange.

Another aspect is that the length dimension from the front edge to the rear edge of the first plate is longer than the length dimension from the front edge to the rear edge of the third plate, and the vicinity of the rear edge of the first plate is It is a deck plate connection metal fitting located in the front-back direction back of the rear end edge of 3 boards.

Another aspect is the deck plate fitting in which the fourth plate is inclined upward as it approaches the third plate from its lower edge to its upper edge.

Another aspect is that the length dimension from the lower end edge to the upper end edge of the fourth plate is longer than the length dimension from the front end edge to the rear end edge of the third plate, and in the deck plate connection fitting, the fourth plate is front and back The upper end edge of the fourth plate is a deck plate connector located forward in the front-rear direction from the front end edge of the third plate when bent forward in the direction.

Another embodiment is a deck plate connection including a screw member in which a deck plate connector connects an end of the deck plate located forward of the flange in the front-rear direction and an upper end edge of a fourth plate located forward of the flange in the front-rear direction. It is a metal fitting .

Another embodiment is a deck plate connection fitting in which the beam is any of H-shaped steel, lattice beam, truss beam, strip beam and plate beam.

Another aspect is a deck plate connection method of connecting a deck plate of a predetermined area to a steel material forming a beam of a building.

This deck plate connection method utilizes a deck plate connection fitting having a fitting portion to be fitted to a flange of steel material and a sandwiching portion to sandwich an end portion of the deck plate placed on the flange of steel material. A fitting step of fitting the fitting portion into the flange of steel and attaching the connection fitting to the flange, and a sandwiching step of sandwiching the end of the deck plate by the sandwiching portion of the connection fitting and connecting the end of the deck plate to the flange of steel that having a bet.

In another aspect , the fitting portion of the deck plate coupling fitting has a first plate of a predetermined area extending in the front-rear direction, a second plate of a predetermined area extending in the vertical direction connected to the front end edge of the first plate, The third plate is formed of a third plate connected to the upper end edge of the plate and extending in the front-rear direction and having a predetermined area on which the end portion of the deck plate is placed. It is formed from a fourth plate of a predetermined area connected to the rear end edge of the plate and extending in the vertical direction and bent forward in the front-rear direction, and in the fitting step, a flange of steel between the first and third plates And the first plate abuts on the lower surface of the flange, the second plate abuts on the end face of the flange, and the fitting portion is fitted to the flange in a state where the third plate abuts on the upper surface of the flange Then, place the end of the deck plate on the upper surface of the third plate, The fourth plate is bent forward in the front-rear direction toward the third plate, the fourth plate is in close contact with the upper surface of the end of the deck plate, and the third plate is in close contact with the lower surface of the end of the deck plate It is the deck plate connection method which inserts the edge part of a plate .

Another aspect is that the third plate of the deck plate connector is sloped downward so that it gradually approaches the first plate from its front end edge toward its rear end edge, and the rear edge of the first plate and the third plate The separation dimension between the rear end edge is smaller than the thickness dimension of the steel flange, and in the fitting step, the plates are expanded vertically to separate the first and third plates vertically. In the deck plate connecting method , the fitting portion is fitted to the flange, and the plates are closely attached to the flange using elastic deformation of the first plate and the third plate to attach the deck plate connection fitting to the flange.

Another aspect is that the first plate of the deck plate connector is sloped upward so that it gradually approaches the third plate from its front edge to its rear edge, and the rear edge of the first plate and the third plate The separation dimension between the rear end edge is smaller than the thickness dimension of the steel flange, and in the fitting step, the plates are expanded vertically to separate the first and third plates vertically. In the deck plate connecting method , the fitting portion is fitted to the flange, and the plates are closely attached to the flange using elastic deformation of the first plate and the third plate to attach the deck plate connection fitting to the flange.

Another aspect is that the length dimension from the front edge to the rear edge of the first plate of the deck plate connector is longer than the length dimension from the front edge to the rear edge of the third plate, and the rear of the first plate is The vicinity of the end edge is located behind the rear end of the third plate in the front-rear direction, and in the fitting step, the first and third plates are hooked on the lower surface of the flange of steel material in the vicinity of the rear end of the first plate. The deck plate connecting method is such that the fitting portions are fitted to the flanges while the plates are expanded in the vertical direction so as to be separated in the vertical direction.

Another aspect is that the fourth plate of the deck plate connector is sloped upward so that it gradually approaches the third plate from its lower edge to its upper edge, and in the sandwiching process, the inclined fourth plate is directed downward. This is a deck plate connecting method in which the fourth plate is bent forward in the front-rear direction toward the third plate, and the end of the deck plate is held between the fourth plate and the third plate.

Another aspect is that the length dimension from the lower end edge to the upper end edge of the fourth plate of the deck plate connector is longer than the length dimension from the front end edge to the rear end edge of the third plate, When the fourth plate of the deck plate connection fitting is bent forward in the front-rear direction by the holding step, the vicinity of the upper end edge of the fourth plate located forward in the front-rear direction from the front edge of the third plate is threaded from the flange through the flange It is a deck plate connection method including the screwing process connected with the end of the deck plate located in the front.

According to the onset bright, without welding operation, it is possible to connect the steel flange and the deck plate.

The perspective view of the deck plate connection metal fitting shown as an example. The front view of the deck plate connection metal fitting of FIG. The rear view of the deck plate connection metal fitting of FIG. The side view of the deck plate connection metal fitting of FIG. The top view of the deck plate connection metal fitting of FIG. The figure explaining an example of the attachment procedure which attaches a deck plate connection metal fitting to the flange of H section steel. The figure explaining the attachment procedure which continues from FIG. The figure after attaching a deck plate connection metal fitting to the flange of H section steel. The figure after mounting the edge part of a deck plate on the upper surface of the 3rd board of a deck plate connection metal fitting. The perspective view of the state which mounted the edge part of the deck plate on the upper surface of the 3rd board of a deck plate connection metal fitting. The figure explaining an example of the connection procedure which connects a deck plate to the flange of H-section steel using a deck plate connection metal fitting. The figure explaining the connection procedure which continues from FIG. The figure explaining the connection procedure which continues from FIG. The perspective view of the deck plate connection metal fitting shown as another example. The side view of the deck plate connection metal fitting of FIG. The perspective view of the deck plate connection metal fitting shown as another example. The perspective view at the time of connecting the edge part of a deck plate to the flange of H-section steel using the deck plate connection metal fitting of FIG.

  The details of the deck plate coupling fitting and the deck plate coupling method according to the present invention will be described below with reference to the accompanying drawings such as FIG. 1 which is a perspective view of the deck plate coupling fitting 10A shown as an example. 2 is a front view of the deck plate connection fitting 10A, and FIG. 3 is a rear view of the deck plate connection fitting 10A. FIG. 4 is a side view of the deck plate connector 10A, and FIG. 5 is a top view of the deck plate connector 10A. In FIG. 1, the longitudinal direction is indicated by arrow A, the lateral direction is indicated by arrow B, and the vertical direction is indicated by arrow C.

  The deck plate connection fitting 10A (including the deck plate connection fittings 10B and 10C described later) is made by bending a flexible, elastically deformable iron plate to construct a deck plate 46 (see FIG. 8) having a predetermined area. A deck plate connection that is used when connecting to the steel material 41 (H-shaped steel 41a) (see FIG. 6) that forms the beam 40 of the object and that connects the deck plate 46 to the steel material 41 that forms the beam 40 of the building Used in the method. The beams 40 include H-shaped steels, lattice beams, truss beams, strip beams, and plate beams. The steel materials 41 forming the beams 40 include H-shaped steels and angle steels. The deck plate connection fitting 10A (including the deck plate connection fittings 10B and 10C) may be made of a metal plate such as a stainless steel plate, an aluminum plate, a copper plate, or a brass plate.

The deck plate connection fitting 10A includes a fitting portion 11 fitted in the flange 42 of the steel material 41 forming the beam 40, and a holding portion 12 holding the end portion 47 of the deck plate 46 placed on the flange 42 of the steel material 41. Have. The deck plate connection fitting 10A includes a first plate 13 (first plate portion) having a predetermined area extending in the front-rear direction, a second plate 14 (second plate portion) having a predetermined area extending in the vertical direction, and a predetermined A third plate 15 (third plate portion) of an area, a fourth plate 16 (fourth plate portion) of a predetermined area extending in the vertical direction, and a screw member 17 (see FIG. 13) are formed. The fitting portion 11 of the deck plate connector 10A is formed of a first plate 13, a second plate 14 and a third plate 15. The holding portion 12 of the deck plate connection fitting 10A is formed of a third plate 15 and a fourth plate 16 as an example of the plate portion .

  The first plate 13 (first plate portion) is long in the front-rear direction, and its planar shape is square (rectangular). The first plate 13 has an upper surface 18 and a lower surface 19, a front end edge 20 extending in the front-rear direction and extending laterally, a rear end edge 21 extending in the front-rear direction and extending laterally, , 21 and has side edges 22 extending in the front-rear direction. When the fitting portion 11 is fitted into the flange 42 of the steel 41, the first plate 13 contacts (adheres to) the lower surface 43 of the flange 42.

  There is no particular limitation on the longitudinal dimension L1 from the front end edge 20 to the rear end edge 21 of the first plate 13 and the lateral width dimension L2 between the side edges 22 and the length of the flange 42 of the steel 41 ( The length dimension L1 and the width dimension L2 can be freely set in accordance with the size, the size of the deck plate 46, and the like. There is no restriction | limiting in particular in the planar shape of the 1st board 13, Other than a square, all other shapes are employable.

  The planar shape of the second plate 14 (second plate portion) is square (rectangular), is integrally connected to the front end edge 20 of the first plate 13, and is substantially orthogonal to the first plate 13. The second plate 14 has a front surface 23 and a rear surface 24, a lower end edge 25 (a front end edge 20 of the first plate 13) which is positioned vertically downward and extends laterally, and extends laterally which is positioned vertically upward It has an upper end edge 26 and vertically extending side edges 27 located between the upper and lower end edges 25, 26. When the fitting portion 11 of the second plate 14 is fitted into the flange 42 of the steel 41, the rear surface 24 abuts on the end surface 44 of the flange 42. The vertical dimension L3 from the lower edge 25 to the upper edge 26 of the second plate 14 is substantially the same as the thickness L10 of the flange 42 of the steel 41 or slightly larger than the thickness L10 of the flange 42.

  There is no particular limitation on the length dimension L3 of the second plate 14 in the vertical direction, and the length dimension L3 can be freely set according to the thickness dimension L10 of the flange 42 of the steel 41 and both side edges 27 of the second plate There is no particular limitation on the width dimension L4 in the lateral direction between them, and the width dimension L4 can be freely set according to the length (size) of the flange 42 of the steel material 41, the size of the deck plate 46 and the like. The planar shape of the second plate 14 is not particularly limited, and any other shape may be adopted besides the square.

  The third plate 15 (third plate portion) is long in the front-rear direction, and its planar shape is square (rectangular). The third plate 15 is integrally connected to the upper end edge 26 of the second plate 14 and substantially orthogonal to the second plate 14. The third plate 15 has an upper surface 28 and a lower surface 29, a front end edge 30 (upper end edge 26 of the second plate 14) which is located in the front-rear direction and extends laterally, and extends in the lateral direction. It has a rear end edge 31 and both side edges 32 located between the front and rear end edges 30 and 31 and extending in the front and rear direction. The end portion 47 of the deck plate 46 is placed on the upper surface 28 of the third plate 15. The third plate 15 is inclined downward so as to gradually approach the first plate 13 from the front end edge 30 to the rear end edge 31. The separation dimension L5 between the rear end edge 21 of the first plate 13 and the rear end edge 31 of the third plate 15 is smaller than the thickness dimension L10 of the flange 42 by the third plate 15 being inclined downward. .

  There is no particular limitation on the longitudinal dimension L6 from the front end edge 30 to the rear end edge 31 of the third plate 15 and the lateral dimension L7 between the side edges 32, and the length of the flange 42 of the steel 41 The length dimension L6 and the width dimension L7 can be freely set in accordance with the size, the size of the deck plate 46, and the like. There is no restriction | limiting in particular in the planar shape of the 3rd board 15, In addition to a square, all other shapes are employable.

  While resisting the elastic force of the first plate 13 and the third plate 15 and exerting a downward force on the first plate 13, the upward force on the third plate 15 (first and third plates The first and third plates 13 and 15 can be expanded in the vertical direction (separate in the vertical direction) by applying a force in the direction of separating 13 and 15. When the vertically expanding force applied to the first and third plates 13 and 15 is released, the first and third plates 13 and 15 elastically deform and return to the original shape. The lower surface 29 of the third plate 14 abuts on the upper surface 45 of the flange 42 when the fitting portion 11 is fitted into the steel flange. When the third plate 15 has the end portion 47 of the deck plate 46 mounted thereon, the upper surface 30 of the third plate 15 abuts (closes) the lower surface 48 of the end portion 47 of the deck plate 46.

The fourth plate 16 (fourth plate portion) is elongated in the vertical direction, and its planar shape is square (rectangular). The fourth plate 16 is integrally connected to a rear end edge 31 as an example of the end of the fitting portion 11 of the third plate 15 and is substantially orthogonal to the third plate 15. The fourth plate 16 has a front surface 33 and a rear surface 34, a lower end edge 35 (rear end edge 31 of the third plate 15) located in the vertical direction downward (rearward in the longitudinal direction) and extending in the lateral direction And a laterally extending upper end edge 36 and a side edge 37 extending between the upper and lower end edges 35 and 36 and extending in the up and down direction (front and back direction). The fourth plate 16 is inclined upward as it approaches the third plate 15 gradually from its lower end 35 to its upper end 36. The fourth plate 16 may extend straight in the vertical direction without the fourth plate 16 being inclined, and the fourth plate 16 may extend from the lower plate 35 toward the upper plate 36 from the third plate 15. It may be inclined to be gradually separated.

  The fourth plate 16 is bent forward in the front-rear direction when the connection fitting 10A is used. The fourth plate 16 bent forward in the front-rear direction is plastically deformed and extends in the front-rear direction. When the fourth plate 16 is bent forward in the front-rear direction, its front surface 33 abuts (closely contacts) the upper surface 49 of the end portion 47 of the deck plate 46. There are no particular restrictions on the length L8 in the vertical direction (front-rear direction) from the lower edge 35 to the upper edge 36 of the fourth plate and the width L9 in the lateral direction between the side edges 37. The length dimension L8 and the width dimension L9 can be freely set in accordance with the size (size), the size of the deck plate 46, and the like. The planar shape of the fourth plate 16 is not particularly limited, and any other shape can be adopted besides the square.

  In the deck plate connection fitting 10A, the length L1 from the front edge 20 to the rear edge 21 of the first plate 13 is longer than the length L6 from the front edge 30 to the rear edge 31 of the third plate 15 ( Large), the vicinity 38 (rear end portion) including the rear end edge 21 of the first plate 13 is located in the front-rear direction rear of the rear end edge 31 of the third plate 15. In the deck plate connection fitting 10A, the length L8 from the lower edge 35 to the upper edge 36 of the fourth plate 16 is longer than the length L6 from the front edge 30 to the rear edge 31 of the third plate 15 (large When the fourth plate 16 is bent forward in the front-rear direction, its vicinity 39 (upper end) including the upper end edge 36 of the fourth plate 16 is located forward in the front-rear direction from the front end edge 30 of the third plate 15.

  The screw member 17 has an end portion of the deck plate located forward in the front-rear direction from the flange 42 of the steel member 41 and its vicinity 39 (upper end) including the upper edge 35 of the fourth plate 16 located forward in the front-rear direction from the flange 42 Connect Iron screws are used for the screw members 17, but connection nails, bolts and nuts can also be used. When an iron screw is used as the screw member 17, the iron screw is screwed to the end portion 47 of the deck plate 46 and the vicinity 39 including the upper end edge 35 of the fourth plate 16 by an electric screwdriver. If a connection nail is used as the screw member 17, the connection nail is driven by the nailer into the end 47 of the deck plate 46 and its vicinity 39 including the upper edge 35 of the fourth plate 16. When a bolt and a nut are used as the screw member 17, the bolt is inserted into the end 47 of the deck plate 46 and its vicinity 39 including the upper edge 35 of the fourth plate 16, and the nut is screwed onto the bolt.

  FIG. 6 is a view for explaining an example of a mounting procedure for mounting the deck plate connector 10A on the flange 42 of the H-shaped steel 41a, and FIG. 7 is a view for explaining the mounting procedure continued from FIG. FIG. 8 is a view after the deck plate connection fitting 10A is attached to the flange 42 of the H-shaped steel 41a.

  In those figures, the H-shaped steel 40a is illustrated as the beam 40, and therefore, the steel material 41 forming the beam 40 becomes the H-shaped steel 41a. The deck plate connection fitting 10A (including the deck plate connection fittings 10B and 10C) can be used not only for the deck plate 46 in the illustrated example but also for deck plates of any shape and structure, and decks of any shape and structure It can be used in the deck plate connection method of connecting the plate to the steel 41.

  In the deck plate connection method using the deck plate connection bracket 10A and the deck plate connection bracket 10A, the connection portion 10A is attached to the flange 42 by fitting the fitting portion 11 of the deck plate connection bracket 10A into the flange 42 of the H-shaped steel 41a. Fitting process, sandwiching process of connecting end part 47 of deck plate 46 with flange 42 of H-shaped steel 10a by sandwiching end part 47 of deck plate 46 by sandwiching part 12 of connection fitting 10A, and deck plate by screw member 17 The deck plate 46 is connected to the flange 42 of the H-shaped steel 41a (the steel material 41) by carrying out a screwing step of connecting the fourth plate 16 of the connection fitting 10A and the end portion 47 of the deck plate 46.

  In the fitting step, for example, as shown in FIG. 6, the fourth plate 16 of the deck plate connector 10A is gripped, and the vicinity 38 of the deck plate connector 10A including the rear end 21 of the first plate 13 (rear end Section) on the side of the lower surface 43 of the flange 42 of the H-shaped steel 41a, the neighborhood 38 is brought into contact with the lower surface 43 of the flange 42. Next, with the vicinity 38 including the rear end edge 21 of the first plate hooked to the lower surface 43 of the flange 42, as shown by the arrow C1 in FIG. While exerting a downward force on the first plate 13 so as to press the first plate 13 downward against the elastic force of 13, the third plate 15 against the elastic force of the third plate 15 Force is applied to the third plate 15 in the vertical direction so as to press the upper side, and the first and third plates 13 and 15 are expanded in the vertical direction as shown by the arrow C2 in FIG. Separate).

  The separation dimension L5 (see FIG. 4) between the rear end edge 21 of the first plate 13 and the rear end edge 31 of the third plate 15 is enlarged by expanding the first and third plates 13, 15 in the vertical direction. As shown by arrow A1 in FIG. 7 while making the thickness dimension L10 larger, the deck plate connection fitting 10A (the first plate 13 and the third plate 15) is slid rearward in the front-rear direction to make the first plate 13 and the third plate The flange 42 of the H-shaped steel 41a is inserted between the plate 15 and the fitting portion 11 is fitted into the flange 42 of the H-shaped steel 41a. When the rear surface 24 of the second plate 14 abuts on the end surface 44 of the flange 42, the fourth plate 16 is released to release the downward force exerted on the first plate 13, thereby the third plate 15. Release the applied upward and downward force.

  When the force applied to the first plate 13 and the third plate 15 is released, the first plate 13 and the third plate 15 are elastically deformed and substantially the entire upper surface 18 of the first plate 13 contacts the lower surface 43 of the flange 42. While contacting (adhering), substantially the entire area of the lower surface 29 of the third plate 15 abuts (adheres) to the upper surface 45 of the flange 42, and the first plate 13 and the third plate 15 sandwich the flange 42 in the deck The plate connection fitting 10A is attached to the flange 42 of the H-shaped steel 41a. The plurality of deck plate connection fittings 10A are attached to the flange 42 of the H-shaped steel 41a according to the above-described attachment procedure. The deck plate connection fittings 10A are arranged in the flange 42 in a state of being separated in the lateral direction by a predetermined dimension (see FIG. 10).

  The deck plate coupling method using the deck plate coupling fitting 10A and the deck plate coupling fitting 10A is such that the length dimension L1 (see FIG. 4) from the front end edge 20 to the rear end edge 21 of the first plate 13 is the third plate 15 Longer than the length L6 (see FIG. 5) from the front end edge 30 to the rear end edge 31, its vicinity 38 (rear end portion) including the rear end edge 31 of the first plate 13 is the rear end of the third plate 15 The first plate 13 and the first plate 13 are located behind the edge 31 in the front-rear direction, with the vicinity 38 including the rear end edge 31 of the first plate 13 hooked to the lower surface 43 of the flange 42 of the H-shaped steel 41a (steel 41). The fitting portion 11 can be easily fitted to the flange 42 because the fitting portion 11 is fitted to the flange 42 while the plates 13 and 15 are spread in the vertical direction so as to be separated from the three plates 15 in the vertical direction. , The connecting fitting 10A through the fitting portion 11 It can quickly attached to the Nji 42.

  The deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A expands the first and third plates 13 and 15 in the vertical direction against the elastic force of the first and third plates 13 and 15. In this state, the first plate is brought into contact with the lower surface 43 of the flange 42 by fitting the fitting portion 11 formed of the first to third plates 13 to 15 into the flange 42 of the H-shaped steel 41a (steel 41). Since the second plate 14 contacts (closely contacts) the end face 44 of the flange 42 and the third plate 15 contacts (closely contacts) the upper surface 45 of the flange 42, the first and third plates The plates 13 to 15 can be brought into close contact with the flange 42 by utilizing the elastic deformation of 13, 15. In the deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A, the first and third plates 13, 15 sandwich the flange 42 of the H-shaped steel 41a (the steel material 41) tightly and The fitting portion 11 does not move loosely, and by fitting the fitting portion 11 formed of the first to third plates 13 to 15 into the flange 42, the deck plate connection fitting 10A is made of H-shaped steel 41a. It can be securely attached to the flange 42.

  FIG. 9 is a view after the end 47 of the deck plate 46 is placed on the upper surface 28 of the third plate 15 of the deck plate connector 10A, and FIG. 10 is a view of the third plate 15 of the deck plate connector 10A. FIG. 14 is a perspective view of a state in which the end portion 47 of the deck plate 46 is placed on the upper surface 28. FIG. 11 is a view for explaining an example of a connection procedure for connecting the deck plate 46 to the flange 42 of the H-shaped steel 41a using the deck plate connection fitting 10A, and FIG. 12 describes the connection procedure continued from FIG. It is a figure to do. FIG. 13 is a diagram for explaining the connection procedure continued from FIG. 12.

  After attaching the plurality of deck plate connection fittings 10A to the flange 42 of the H-shaped steel 41a (after the fitting process), the holding process is performed. In the holding step, the end portion 47 of the deck plate 46 is placed (mounted) on the upper surface 28 of the third plate 15 of the deck plate connector 10A. The deck plates 46 are laterally connected by a predetermined connecting means (not shown), and as shown in FIG. 10, a plurality of deck plates 46 are arranged side by side along the flange 42 of the H-shaped steel 41a. .

  After the end 47 of the deck plate 46 is placed on the upper surface 28 of the third plate 15, as shown by arrow A2 in FIG. The rear plate 34 is pushed forward in the front-rear direction, the fourth plate 16 is bent forward in the front-rear direction toward the third plate 15, and the fourth plate 16 is brought into contact with the end 47 of the deck plate 46.

  When the fourth plate 16 is bent, the front surface 33 (lower surface) of the fourth plate 16 is in close contact with the upper surface 49 of the end portion 47 of the deck plate 46 as shown in FIG. 12, and the upper surface 28 of the third plate 15 is the deck plate Close to the lower surface 48 of the end 47 of the end plate 36, its vicinity 39 (upper end) including the upper end edge 36 of the fourth plate 16 is located forward in the front-rear direction from the front end edge 30 of the third plate 15. In the holding step, the end portion 47 of the deck plate 46 is held by the holding portion 12, and the end portion 47 of the deck plate 46 is connected to the flange 42 of the H-shaped steel 41 a.

  The deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A lowers the fourth plate 16 inclined upward as it approaches the third plate 15 from the lower edge 35 toward the upper edge 36. The fourth plate 16 can be easily pressed toward (forward and backward direction front), and the fourth plate 16 can be easily bent forward and backward toward the third plate 15.

  The deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A sandwiches the end portion 47 of the deck plate 46 with the fourth plate 16 and the third plate 15, so the third and fourth plates 15, 16 can be reliably brought into contact (contact) with the upper and lower surfaces 48, 49 of the end 47 of the deck plate 46, and the vicinity 39 (upper end) including the upper end edge 36 of the fourth plate 16 is the third plate 15 The fourth plate 16 can be brought into wide contact (close contact) with the upper surface 49 of the end portion 47 of the deck plate 46 by positioning (extending) in the front-rear direction forward from the front end edge 30 of the third The end portion 47 of the deck plate 46 can be reliably connected to the flange 42 of the H-shaped steel 41 a through the sandwiching portion 12 formed of the four plates 15 and 16.

  After the end portion 47 of the deck plate 46 is pinched by the pinching portion 12 (after the pinching step), the screwing step is performed. In the screwing process, from the vicinity 39 (upper end portion) including the upper end edge 36 of the fourth plate 16 positioned (extended) in the front-rear direction forward from the front end edge 30 of the third plate 15 and the flange 42 of the H-shaped steel 41a An iron screw 17 (screw member) is screwed to an end portion 47 of the deck plate 46 located forward in the front-rear direction, and an upper end edge of the fourth plate 16 located forward in the front-rear direction from the front end edge 30 of the third plate 15 The vicinity 39 including the joint 36 is connected to an end 47 of the deck plate 46 located forward in the front-rear direction from the flange 42.

  The iron screw 17 is screwed to the end portion 47 of the deck plate 46 and its vicinity 39 including the upper end 35 of the fourth plate 16 by an electric screwdriver. Although one iron screw 17 is screwed to the vicinity 39 including the upper end edge 36 of the fourth plate 16 and the end 47 of the deck plate 46, two or more iron screws 17 are The plate 39 is screwed to its vicinity 39 including the upper edge 36 of the four plate 16 and the end 47 of the deck plate 46, and the region 39 including the upper edge 36 of the fourth plate 16 is decked by two or more iron screws 17. It may be connected to the end 47 of the plate 46. After the screwing process is completed, reinforcing bars are arranged on the upper surface 49 of the deck plate 46, and concrete is cast on the upper surface 49 of the deck plate 46 with a predetermined covering size. By curing the concrete for a predetermined period, reinforced concrete structures such as floor slabs, ceiling slabs and roof slabs are constructed.

  The deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A is such that the end portion 47 of the deck plate 46 located forward in the front-rear direction from the flange 42 of the H-shaped steel 41a (steel 41) The connection fitting 10A formed from the third and fourth plates 15 and 16 by connecting with the vicinity 39 including the upper end edge 36 of the fourth plate 16 located forward in the direction by the iron screw 17 (screw member) Not only sandwiching the end portion 47 of the deck plate 46 by the sandwiching portion 12 but also connecting the flange 42 of the H-shaped steel 41 a and the end portion 47 of the deck plate 46 by the iron screw 17 (screw member), The end portion 47 of the deck plate 46 is secured to the flange 42 of the H-shaped steel 41a via the holding portion 12 and the iron screw 17 (screw member) It can be connected.

  In the deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A, the first plate 13 abuts (adheres) to the lower surface 43 of the flange 42 of the H-shaped steel 41a (steel 41) in the fitting step. Since the second plate 14 abuts (closely contacts) the end face 44 of the flange 42 and the third plate 15 abuts (closely contacts) the upper surface 45 of the flange 42, the first to third plates 13 to 15 are formed. The connection fitting 10A can be securely attached to the flange 42 of the H-shaped steel 41a by fitting the fitting portion 11 into the flange 42, and the third plate 15 is the lower surface of the end portion 47 of the deck plate 46 in the holding process. The fourth plate 16 abuts (closely contacts) 48 and the fourth plate 16 bent forward in the front-rear direction abuts (closely contacts) the upper surface 49 of the end portion 47 of the deck plate 46. , 16 sandwiches the end 47 of the deck plate 46, so that the end 47 of the deck plate 46 is secured to the flange 42 of the H-shaped steel 41a through the sandwiching portion 12 formed of the third and fourth plates 15, 16 Can be linked to

  The deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A, the fitting portion 11 of the connection fitting 10A formed of the first to third plates 13 to 15 is a H-shaped steel 41a (steel material 41) The flange 42 of the H-shaped steel 41a and the deck plate 46 are inserted by inserting the end 47 of the deck plate 46 by the sandwiching portion 12 of the connection fitting 10A formed from the third and fourth plates 15 and 16. As a result, the welding operation is not required, and the labor and time required for the welding operation are not required, and the flange 42 of the H-shaped steel 41a (the beam 40) and the deck plate 46 can be quickly and efficiently As well as being able to connect, sparks are generated in the operation of connecting the flange 42 of the H-shaped steel 41a and the deck plate 46. It is possible to connect the flange 42 and the deck plate 46 of the H-shaped steel 41a in place is not, hating fire.

  FIG. 14 is a perspective view of the deck plate coupling fitting 10B shown as another example, and FIG. 15 is a side view of the deck plate coupling fitting 10B. The deck plate connection fitting 10B is different from that of FIG. 1 in that the third plate is inclined downward so as to gradually approach the first plate from its front end edge toward the rear end edge, and the first plate is its front end 1 in that it is inclined upwards from the edge toward the rear end edge so as to gradually approach the third plate, and the other configurations are the same as those of the deck plate connector 10A of FIG. While using the description of the deck plate connection fitting 10A with the same reference numerals as FIG. 1, the other detailed description of the deck plate connection fitting 10B will be omitted.

  The deck plate connection fitting 10B is, similarly to the deck plate connection fitting 10A, the fitting portion 11 fitted to the flange 42 of the steel material 41 forming the beam 40, and the end of the deck plate 46 mounted on the flange 42 of the steel material 41. And a holding unit 12 for holding the unit 47. The deck plate connection fitting 10B includes a first plate 13 (first plate portion) of a predetermined area extending in the front-rear direction, a second plate 14 (second plate portion) of a predetermined area extending in the vertical direction, and a predetermined extension A third plate 15 (third plate portion) of an area, a fourth plate 16 (fourth plate portion) of a predetermined area extending in the vertical direction, and a screw member 17 (see FIG. 13) are formed. The fitting portion 11 is formed of a first plate 13, a second plate 14 and a third plate 15, and the holding portion 12 is formed of a third plate 15 and a fourth plate 16. The first to fourth plates 13 to 16 are the same as those of the deck plate connection fitting 10A of FIG.

  The first plate 13 is inclined upward as it approaches the third plate 15 from its front end edge 20 toward its rear end edge 21. The third plate 15 is inclined downward so as to gradually approach the first plate 13 from the front end edge 30 to the rear end edge 31. The separation dimension L5 between the rear end edge 21 of the first plate 13 and the rear end edge 31 of the third plate 15 is smaller than the thickness dimension L10 of the flange 42 by the third plate 15 being inclined downward. . Only the first plate 13 may be inclined, the third plate 15 may not be inclined, and the third plate 15 may extend straight in the front-rear direction.

  In the deck plate connection method using the deck plate connection fitting 10B and the deck plate connection fitting 10B, the fitting portion 11 of the deck plate connection fitting 10B is fitted into the flange 42 of the H-shaped steel 41a to attach the connection fitting 10B to the flange 42 A fitting step, a holding step of holding the end portion 47 of the deck plate 46 by the holding portion 12 of the connection metal fitting 10B and connecting the end portion 47 of the deck plate 46 to the flange 42 of the H-shaped steel 10a; The deck plate 46 is connected to the flange 42 of the H-shaped steel 41a (the steel material 41) by carrying out a screwing step of connecting the fourth plate 16 of the connection fitting 10B and the end portion 47 of the deck plate 46.

  The fitting process, the holding process, and the screwing process are the same as those of the deck plate connecting method using the deck plate connecting fitting 10A. The deck plate connection method using the deck plate connection fitting 10B and the deck plate connection fitting 10B has the same effect as the deck plate connection method using the deck plate connection fitting 10A and the deck plate connection fitting 10A.

  FIG. 16 is a perspective view of the deck plate connection fitting 10C shown as another example, and FIG. 17 is a view of the end portion 47 of the deck plate 46 of the H-shaped steel 41a (steel member 41) using the deck plate connection fitting 10C. It is a perspective view at the time of connecting with flange 42. FIG. The deck plate connection fitting 10B is different from that of FIG. 1 in that the vertical dimension L8 from the lower edge 35 to the upper edge 36 of the fourth plate 16 is longer than that of the fourth plate 16 of the connection fitting 10A. , The lateral width dimension L9 between the side edges 37 of the fourth plate 16 is longer than that of the fourth plate 16 of the connection fitting 10A, and is intermittently aligned laterally with the lower edge 35 of the fourth plate 16 Through-holes 50 or thin-walled portions 50 arranged intermittently in the lateral direction are formed, and four iron screws 17 include the upper end edge 36 of the fourth plate 16 and its vicinity 39 and the end portion 47 of the deck plate 46 It is in the point screwed on. Since the other configurations of the deck plate connection fitting 10B are the same as those of the deck plate connection fitting 10A of FIG. 1, the description of the deck plate connection fitting 10A of FIG. 1 is used, and the same reference numerals as in FIG. Thus, the other detailed description of the deck plate connection fitting 10C is omitted.

  The deck plate connection fitting 10C, like the deck plate connection fitting 10A, includes the fitting portion 11 fitted to the flange 42 of the steel material 41 forming the beam 40 and the end of the deck plate 46 placed on the flange 42 of the steel material 41. And a holding unit 12 for holding the unit 47. The deck plate connection fitting 10C includes a first plate 13 (first plate portion) of a predetermined area extending in the front-rear direction, a second plate 14 (second plate portion) of a predetermined area extending in the vertical direction, and a predetermined extension A third plate 15 (third plate portion) of an area, a fourth plate 16 (fourth plate portion) of a predetermined area extending in the vertical direction, and a screw member 17 (see FIG. 13) are formed. The fitting portion 11 is formed of a first plate 13, a second plate 14 and a third plate 15, and the holding portion 12 is formed of a third plate 15 and a fourth plate 16. The first to third plates 13 to 15 are the same as those of the deck plate connection fitting 10A of FIG.

  The fourth plate 16 (fourth plate portion) is elongated in the vertical direction, and its planar shape is square (rectangular). The fourth plate 16 is integrally connected to the rear end edge 31 of the third plate 15 and substantially orthogonal to the third plate 15. The fourth plate 16 has a front surface 33 and a rear surface 34, a lower end edge 35 (rear end edge 31 of the third plate 15) and an upper end edge 36, and extending side edges 37. The fourth plate 16 is inclined upward as it approaches the third plate 15 gradually from its lower end 35 to its upper end 36. The fourth plate 16 may extend straight in the vertical direction without the fourth plate 16 being inclined, and the fourth plate 16 may extend from the lower plate 35 toward the upper plate 36 from the third plate 15. It may be inclined to be gradually separated.

  In the deck plate connection fitting 10C, the length L8 from the lower end 35 to the upper end 36 of the fourth plate 16 is longer than that from the lower end 35 to the upper end 36 of the fourth plate 16 of the connection fittings 10A and 10B. (Large), the width dimension L9 between the side edges 37 of the fourth plate 16 is longer (larger) than that between the side edges 37 of the connection fittings 10A and 10B. In the deck plate connection fitting 10C, the length L8 from the lower edge 35 to the upper edge 36 of the fourth plate 16 is longer than the length L6 from the front edge 30 to the rear edge 31 of the third plate 15 (large ), The width L9 between the side edges 37 of the fourth plate 16 is larger (larger) than the width L2, L4, L7 between the side edges 37 of the first to third plates 13-15. The fourth plate has an area larger than that of the fourth plate 16 of the connection fitting 10A, 10B.

  A plurality of through holes 50 or a plurality of thin portions 50 are formed in the lower end edge 35 (the rear end portion 31 of the third plate 15) of the fourth plate 16. The through holes 50 pass through the fourth plate 16 (the third plate 15 located at the rear end portion 31) located at the lower end portion 35, and are lined up intermittently in the lateral direction. The thin portions 50 are portions where the thickness dimension of the fourth plate 16 (third plate 15) is small (thin), and the thin portions 50 are arranged intermittently in the lateral direction. Since the plurality of through holes 50 aligned in the lateral direction or the plurality of thin portions 50 aligned in the lateral direction are formed in the lower end edge 35 of the fourth plate 16 (the rear end portion 31 of the third plate 15) The fourth plate 16 is easily bent.

  The fourth plate 16 is bent forward in the front-rear direction when the connection fitting 10C is used. The fourth plate 16 bent forward in the front-rear direction is plastically deformed and extends in the front-rear direction. When the fourth plate 16 is bent forward in the front-rear direction, the front surface 33 abuts (closely contacts) the upper surface 49 of the end portion 47 of the deck plate 46 and includes the upper end edge 36 of the fourth plate 16 The vicinity 39 (upper end) is positioned (extends) in the front-rear direction front from the front end edge 30 of the third plate 15.

  In the deck plate connection method using the deck plate connection bracket 10C and the deck plate connection bracket 10C, the connection portion 10C is attached to the flange 42 by fitting the fitting portion 11 of the deck plate connection bracket 10C into the flange 42 of the H-shaped steel 41a. Fitting process, sandwiching process of connecting end part 47 of deck plate 46 with flange 42 of H-shaped steel 10a by sandwiching end part 47 of deck plate 46 by sandwiching part 12 of connection fitting 10C, and deck plate by screw member 17 The deck plate 46 is connected to the flange 42 of the H-shaped steel 41a (the steel material 41) by carrying out a screwing step of connecting the fourth plate 16 of the connection fitting 10C and the end portion 47 of the deck plate 46.

  The fitting process, the holding process, and the screwing process are the same as those of the deck plate connecting method using the deck plate connecting fitting 10A. In the screwing process, the flange 39 (upper end portion) including the upper end edge 36 of the fourth plate 16 positioned (extended) in the front-rear direction forward from the front end edge 30 of the third plate 15 and the flange of the H-shaped steel 41a A fourth iron screw 17 (screw member) is screwed to an end portion 47 of the deck plate 46 positioned forward in the front-rear direction from 42 and a fourth position positioned forward in the front-rear direction from the front end edge 30 of the third plate 15 The vicinity 39 including the upper edge 36 of the plate 16 is connected to the end 47 of the deck plate 46 located forward in the front-rear direction from the flange 42.

  The deck plate connection method using the deck plate connection fitting 10C and the deck plate connection fitting 10C has the following effects in addition to the effects of the deck plate connection method 10A and the deck plate connection fitting 10A. The deck plate connection method using the deck plate connection fitting 10C and the deck plate connection fitting 10C is such that the length dimension L8 from the lower edge 35 of the fourth plate 16 to the upper edge 36 is the rear edge from the front edge 30 of the third plate 15 The width L9 between the side edges 37 of the fourth plate 16 is longer than the length L6 to the edge 31, and the width L2, L4, L7 between the side edges 37 of the first to third plates 13-15. The fourth plate 16 can be brought into contact with the upper surface 49 of the end portion 47 of the deck plate 46 in a wide range (long contact) because it is longer than that of the third plate 15 and 16. The end portion 47 of the deck plate 46 can be reliably connected to the flange 42 of the H-shaped steel 41 a via the holding portion 12.

  The deck plate connection method using the deck plate connection fitting 10C and the deck plate connection fitting 10C is such that a plurality of through holes 50 or a plurality of thin portions are formed in the lower end edge 35 (the rear end 31 of the third plate 15) of the fourth plate 16 Since 50 is formed and the fourth plate 16 is easily bent with respect to the third plate 15, the fourth plate 16 can be easily bent forward in the front-rear direction toward the third plate 15 in the holding step. The end portion 47 of the deck plate 46 can be easily held by the holding portion 12 of the connection fitting 10C.

The deck plate connection method using the deck plate connection fitting 10C and the deck plate connection fitting 10C is such that the end portion 47 of the deck plate 46 located forward in the front-rear direction from the flange 42 of the H-shaped steel 41a (steel 41) H-shaped steel by the iron screws 17 (screw members) by connecting with the vicinity 39 including the upper end edge 36 of the fourth plate 16 located forward in the direction by four iron screws 17 (screw members) The flange 42 of 41a and the end portion 47 of the deck plate 46 can be securely connected, and the deck plate 46 does not shift relative to the connection fitting 10C, and the holding portion 12 and the screws 17 for iron (screw members And the end 47 of the deck plate 46 can be securely connected to the flange 42 of the H-shaped steel 41a.
<Others>
The deck plate connection fitting has a fitting portion which is fitted to a flange of a steel material (a beam of a building) and a holding portion which holds an end portion of the deck plate placed on the flange of a steel member. Since the connection fitting is attached to the flange and the end of the deck plate is connected to the steel flange through the holding portion, the welding work by the welder equipped with the welding technology is not necessary, and the worker other than the welder And the deck plate can be connected, and it does not require labor and time involved in the welding operation, and the flange of the steel (beam) and the deck plate can be connected quickly and efficiently. Since the deck plate connection fitting does not require a welding operation to connect the steel plate (beam) flange and the deck plate, it safely connects the steel plate flange and the deck plate without generating sparks in places where fire is averse be able to.
A first plate having a predetermined area extending in the front-rear direction, a second plate having a predetermined area connected to the front end edge of the first plate and extending in the vertical direction, and an upper end edge of the second plate extending in the front-rear direction And a fourth plate of a predetermined area which is connected to the rear end edge of the third plate and extends in the vertical direction and is bent forward in the front-rear direction. The joint portion is formed of a first plate that abuts on the lower surface of the flange when the joint portion is fitted into the flange, a second plate that abuts on the end surface of the flange, and a third plate that abuts on the upper surface of the flange. The deck plate connecting fitting formed of the third plate in contact with the lower surface of the end portion of the plate and the fourth plate in contact with the upper surface of the end portion of the deck plate when bent forward in the front-rear direction The first plate that forms the Since the second plate contacts (closely contacts) the end face of the flange and the third plate contacts (closely contacts) the upper surface of the flange, it is formed of the first to third plates. The deck plate connection fitting can be securely attached to the steel flange via the fitting portion, and the third plate forming the sandwiching portion abuts (closely contacts) the lower surface of the end portion of the deck plate, and the front and rear direction front Since the third and fourth plates sandwich the end of the deck plate when the fourth plate bent into contact with the upper surface of the end of the deck plate, it is formed of the third and fourth plates. The end of the deck plate can be securely connected to the steel flange via the sandwiching portion. The deck plate connection fitting inserts the fitting portion formed of the first to third plates into the flange of the steel material, and sandwiches the end portion of the deck plate by the holding portion formed of the third and fourth plates. Since it is possible to connect the flanges and the deck plate, welding work is not required, and the labor and time required for the welding work are not required, and the flanges of steel (beams) and the deck plate are connected quickly and efficiently As a result, sparks are not generated in the operation of connecting the steel flange and the deck plate, and the steel flange and the deck plate can be safely connected in a place where fire is averse.
The third plate is inclined downward from the front edge toward the rear edge toward the first plate, and the separation dimension between the rear edge of the first plate and the rear edge of the third plate is The deck plate coupling fitting smaller than the thickness dimension of the steel flange extends the first and third plates in the vertical direction against the elastic force of the first and third plates, and in that state, from the first to third plates By fitting the formed fitting portion into the flange, elastic deformation of the first and third plates can be used to bring them into close contact with the flange, and the fitting portion is not careless with respect to the flange of the steel material The deck plate connection fitting can be securely attached to the steel flange via the fitting portion.
The first plate is inclined upward as it approaches the third plate from its front end edge to the rear end edge, and the separation dimension between the rear edge of the first plate and the rear edge of the third plate is The deck plate coupling fitting smaller than the thickness dimension of the flange expands the first and third plates in the vertical direction against the elastic force of the first and third plates, and in that state is formed from the first to third plates By fitting the fitting portion into the flange, the plates can be closely attached to the flange by utilizing the elastic deformation of the first and third plates, and the fitting portion loosely moves against the steel flange The deck plate connector can be securely attached to the steel flange through the fitting portion.
The length dimension from the front edge to the rear edge of the first plate is longer than the length dimension from the front edge to the rear edge of the third plate, and the vicinity of the rear edge of the first plate is the rear edge of the third plate The deck plate connector located at the back of the edge in the longitudinal direction is the first and the third of the first and third plates against the elastic force of the first and third plates in a state where the vicinity of the rear end edge of the first plate is hooked to the lower surface of the flange. The three plates can be expanded in the vertical direction, and the fitting portion formed of the first to third plates can be fitted into the flange in this state, so the fitting portion can be easily fitted into the flange The deck plate fitting can be quickly attached to the steel flange through the section.
The deck plate connection fitting in which the fourth plate slopes upward so that it gradually approaches the third plate from the lower edge to the upper edge is the third plate from the lower edge to the upper edge It is possible to easily press the inclined fourth plate downwards by inclining to an upward slope so as to gradually approach to the front, and to easily bend the fourth plate forward in the front-rear direction toward the third plate. Therefore, the third and fourth plates can be reliably abutted (adhered) to the upper and lower surfaces of the end of the deck plate, and the end of the deck plate is held via the sandwiching portion formed of the third and fourth plates. The part can be easily connected to the steel flange.
The fourth plate when the length dimension from the lower end edge to the upper end edge of the fourth plate is longer than the length dimension from the front edge to the rear edge of the third plate, and the fourth plate is bent forward in the front-rear direction The deck plate connector whose front end edge is located forward of the front edge of the third plate in the front-rear direction is the front edge of the fourth plate when the fourth plate is bent forward in the front-rear direction. By positioning (extending) in the front-rear direction from the edge, the fourth plate can be brought into contact with the upper surface of the end of the deck plate in a wide range (in intimate contact), and the sandwiching formed from the third and fourth plates The end of the deck plate can be securely connected to the steel flange via the section.
The deck plate connection fitting including a screw member for connecting the end of the deck plate located forward in the front-rear direction from the flange of the steel material and the upper end edge of the fourth plate located forward in the front-rear direction from the flange Of the deck plate formed by the third and fourth plates by connecting the end of the deck plate located at the upper end of the deck plate to the upper end edge of the fourth plate located forward from the flange in the front-rear direction Not only sandwiching the end but also connecting the steel flange with the end of the deck plate by the screw member, the end of the deck plate is securely connected to the steel flange via the sandwiching part and the screw member can do.
The deck plate connection fitting whose beam is any of H-shaped steel, lattice beam, truss beam, strip beam and plate beam is made of steel of H-shaped steel, lattice beam, truss beam, strip beam and plate beam. The connection metal fitting is attached to the flange through the fitting portion fitted to the flange, and the end of the deck plate is H-shaped steel or lattice beam, truss beam, band plate beam, or the like through the sandwiching portion sandwiching the end of the deck plate. Since the plate beam is connected to the steel flange of the steel plate, welding work by a welder equipped with welding technology is unnecessary, and workers other than the welder are H-shaped steel, lattice beam, truss beam, strip plate beam, plate beam and so on. The connection work with the deck plate can be performed, and it does not require time and effort involved in the welding work, and the H-shaped steel, lattice beam, truss beam, band plate beam, plate beam flange and deck plate can be quickly And efficient It can be connected. The deck plate connection hardware generates sparks in places that do not like fires, as welding is not required to connect the steel plate flanges of H-shaped steel, lattice beams, truss beams, strip beams, steel plates of plate beams and deck plates. Without the H-shaped steel or lattice beam, truss beams, strip beams, plate beam flanges and deck plates can be connected.
The deck plate connection method uses a deck plate connection fitting having a fitting portion to be fitted to a flange of steel (building beam) and a sandwiching portion to sandwich an end of the deck plate placed on the flange of steel, Fit the fitting part of the deck plate connection fitting to the flange of steel and attach the connection fitting to the flange, and clamp the end of the deck plate by the sandwiching part of the deck plate connection fitting and connect the end of the deck plate to the flange of steel Therefore, the welding work by the welder equipped with the welding technology is unnecessary, and workers other than the welder can perform the connection work between the steel material and the deck plate, and it takes time and effort for the welding work. Instead, the flange of the steel (beam) and the deck plate can be connected quickly and efficiently. Since the deck plate connection method does not require a welding operation to connect the flanges of steel materials (beams) and the deck plates, it is possible to connect the steel flanges and the deck plates without generating sparks in places where fires are not preferred it can.
The fitting portion of the deck plate connection fitting is connected to the first plate of the predetermined area extending in the front-rear direction and the front end edge of the first plate and connected to the upper end edge of the second plate and the second plate extending in the vertical direction It is formed from the 3rd plate of the specified area which is extended in the direction and the end of the deck plate is placed, and the holding portion of the deck plate connection metal fitting is connected to the 3rd plate and the rear end edge of the 3rd plate A fourth plate of a predetermined area extending forward and bending forward in the front-rear direction, inserting a flange between the first plate and the third plate, the first plate abutting against the lower surface of the flange, and With the plate in contact with the end face of the flange and the third plate in contact with the upper surface of the flange, the fitting portion is fitted to the flange, and the end of the deck plate is placed on the upper surface of the third plate; Bend the plate forward and backward toward the third plate, and the fourth plate In the deck plate connection method, in which the end portion of the deck plate is held by the holding portion in a state in which the third plate is in close contact with the upper surface of the end of the deck plate, the first plate The second plate contacts (closely contacts) the lower surface of the flange of the steel material and the second plate contacts (closely contacts) the end surface of the flange, and the third plate contacts (closely contacts) the upper surface of the flange. The deck plate connection fitting can be securely attached to the steel flange by fitting the fitting portion formed from the plate into the flange, and the third plate abuts against the lower surface of the end portion of the deck plate in the sandwiching process And the third and fourth plates sandwich the end of the deck plate by bringing the fourth plate folded forward in the front-rear direction into contact (close contact) with the upper surface of the end of the deck plate. 4th board The ends of the deck plate can be reliably connected to the steel flange via et formed clamping portion. In the deck plate connecting method, the fitting portion of the deck plate connecting metal fitting formed of the first to third plates is inserted into the flange of steel material, and the deck plate connecting fitting formed of the third and fourth plates is a deck By sandwiching the end of the plate, it is possible to connect the steel flange and the deck plate, eliminating the need for welding work, eliminating the need for labor and time associated with the welding work, and the flange of the steel (beam) While being able to connect the deck plate quickly and efficiently, sparks are not generated in the work of connecting the steel flange and the deck plate, and the steel flange and the deck plate are connected in a place where fire does not like be able to.
The third plate of the deck plate connection fitting is sloped downward so as to gradually approach the first plate from the front end edge toward the rear end edge, and the rear end edge of the first plate and the rear end edge of the third plate The fitting dimension is smaller than the thickness dimension of the flange, and the fitting portion is fitted to the flange in a state where the plates are expanded in the vertical direction so as to space the first plate and the third plate in the vertical direction. The deck plate connection method of attaching the deck plate connection fitting to the flange by bringing the plates into close contact with the flange by utilizing the elastic deformation of the second plate and the third plate is the first and the third plate against the elastic force of the first and third plates. By expanding the third plate in the vertical direction and fitting the fitting portions formed of the first to third plates into the flange in that state, the first and third plates are elastically deformed to strongly sandwich the flange, Using elastic deformation (holding force) of the first and third plates These plates can be brought into close contact with the flange, and the fitting portion of the deck plate connection fitting does not inadvertently move with respect to the steel flange, and the deck plate connection fitting is formed of the steel plate flange via the fitting portion. Can be attached securely to
The first plate of the deck plate connection fitting is sloped upward so as to gradually approach the third plate from its front end edge toward the rear end edge, and between the rear edge of the first plate and the rear edge of the third plate The fitting dimension is smaller than the thickness dimension of the flange, and the fitting portion is fitted to the flange in a state where the plates are expanded in the vertical direction so as to separate the first plate and the third plate in the vertical direction. The deck plate connecting method of attaching the deck plate connection fitting to the flange by bringing the plates into close contact with the flange by utilizing the elastic deformation of the plate and the third plate is the first method against the elastic force of the first and third plates. And the third plate is expanded in the vertical direction, and the fitting portions formed of the first to third plates are fitted into the flange in that state, so that the first and third plates are elastically deformed and the flange is strongly pinched. , Utilizing the elastic deformation (holding force) of the first and third plates These plates can be brought into close contact with the flanges, and the fitting portion of the deck plate connection fitting does not inadvertently move relative to the steel flange, and the deck plate connection fitting can be connected to the steel plate flange through the fitting portion. Can be attached securely to
The length dimension from the front edge to the rear edge of the first plate of the deck plate connector is longer than the length dimension from the front edge to the rear edge of the third plate, and the vicinity of the rear edge of the first plate is The three plates are positioned in the front-rear direction behind the rear edge of the three plates, and with the portions near the rear edge of the first plate hooked to the lower surface of the flange, the plates are separated in the vertical direction The deck plate connecting method in which the fitting portion is fitted to the flange while expanding in the vertical direction, the first plate is hooked to the lower surface of the flange in the vicinity of the rear end edge against the elastic force of the first and third plates. The first and third plates are expanded in the vertical direction, and the fitting portion of the deck plate connection fitting formed from the first to third plates is fitted into the flange in this state, so the fitting portion is easily fitted into the flange Quickly attach deck plate fittings to steel flanges through mating Rukoto can.
The fourth plate of the deck plate connector is sloped upward so that it gradually approaches the third plate from the lower edge to the upper edge, and the fourth plate is pressed downward by pressing the inclined fourth plate downward. The deck plate connection method in which the end of the deck plate is held between the fourth plate and the third plate by bending forward in the front-rear direction toward the three plates, ascending method so as to gradually approach the third plate from the lower edge to the upper edge Since the fourth plate inclined to the slope can be easily pressed downward and the fourth plate can be easily bent forward toward the third plate, the third and fourth plates can be decked. It can be made to abut on (adhere closely to) the upper and lower surfaces of the end of the plate, and easily connect the end of the deck plate to the steel flange through the sandwiching portion formed of the third and fourth plates. Can.
The length dimension from the lower edge to the upper edge of the fourth plate of the deck plate connector is longer than the length dimension from the front edge to the rear edge of the third plate, and the fourth plate of the deck plate connector A deck plate connected to the end of the deck plate located forward in the front-rear direction from the flange via a screw member near the upper end edge of the fourth plate located forward in the front-rear direction from the front edge of the third board when bent forward As the connection method, when the fourth plate of the deck plate connector is bent forward in the front-rear direction, the vicinity of the upper end edge of the fourth plate is positioned (extends) forward in the front-rear direction from the front edge of the third plate. The fourth plate can be brought into contact (intimately) with the upper surface of the end of the deck plate over a wide area, and the end of the deck plate is secured to the steel flange via the sandwiching portion formed of the third and fourth plates Can be linked to The deck plate connecting method is the third and fourth by connecting the end of the deck plate located forward in the front-rear direction from the flange and the vicinity of the upper edge of the fourth plate located forward in the front-rear direction from the flange by screw members. Not only can the end of the deck plate be held by the holding portion of the deck plate connection fitting formed from the plate, but the steel flange and the end of the deck plate can be connected by the screw member, and the holding portion and the screw member Can securely connect the end of the deck plate to the steel flange.

10A deck plate connection bracket 10B deck plate connection bracket 10C deck plate connection bracket 11 fitting portion
16 4th board (plate part)
31 Rear edge (end of fitting part)
41 steel 42 flange 46 deck plate
47 end (end of deck plate)

Claims (3)

A fitting portion to be fitted to a steel flange,
Extend folded from an end portion of the fitting portion, the end of the bridged the deck plate over the prior SL flange, a plate portion for clamping between the fitting portion,
Deck plate connection bracket with. The fitting portion is elastically deformed and narrowed toward the opening side of the fitting portion.
The deck plate connection fitting according to claim 1. A steel material in which the fitting portion of the deck plate connection fitting according to claim 1 or 2 is inserted into a flange,
A deck plate which is bridged over the flange of the steel material and on which the end portion is sandwiched between the fitting portion and a plate portion which is folded back and extends from the end portion of the fitting portion ;
Deck plate connection structure with.

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