JP3941583B2 - Building foundation - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a building foundation disposed along an upper surface of a foundation. In the present specification, the foundation includes a cloth foundation, a solid foundation, an independent foundation, and the like.
[0002]
[Prior art]
In general, as a building base fixed along the upper surface of a foundation made of concrete, a base made of wood having a square cross section is widely used in the conventional method and the prefabricated method. Such a base made of wood is fixed by an anchor bolt standing above the foundation, and pillars, studs, and the like are also erected via the foundation.
[0003]
However, the conventional wood base has the following problems.
(1) It is easily damaged by white ants and corroded by moisture.
(2) By repeatedly absorbing and releasing moisture, the cross-sectional dimensions of the foundation change over time, so that the building is distorted.
(3) Since the weight is large, workability on site is reduced.
(4) Since both the portion supporting the concentrated load, such as directly under the pillar, and the portion that is not so have the same cross section, the base material is wasted.
(5) Since the processing accuracy is low and the dimensions are likely to be distorted, it is difficult to make a modular unit and the workability of the building is lowered.
(6) Positions close to the outside of the foundation to prevent moisture absorption of the heat insulating material arranged between the exterior materials and the interior materials, and to form a ventilation path necessary to enhance the heat insulation and heat insulation in the building indoors A complicated operation of providing a plurality of notches with a chisel or the like is required.
(7) It is easy to lead to environmental destruction by logging.
[0004]
[Problems to be Solved by the Invention]
The present invention solves the problems in the prior art described above, and there is no corrosion or dimensional change due to white ants eating damage or moisture, and it is lightweight and can improve processing accuracy and workability, and between the exterior and interior materials of a building. It is an object of the present invention to provide a building foundation that facilitates ventilation.
[0005]
[Means for Solving the Problems]
  In order to solve the above-mentioned problems, the present invention was conceived by applying an extruded shape made of an aluminum alloy to a building base and drilling a vent hole at a predetermined position in the shape. It is.
  That is, the first building foundation according to the present invention (Claim 1) is provided along the upper surface of the foundation.Through the spacerPlaced,A building foundation formed by an extruded shape made of an aluminum alloy, a pair of upper and lower horizontal pieces, a pair of vertical pieces located on the outdoor / indoor side,A pair of vertical partitions,And the cross section formed by the hollow portion surrounded by these has a substantially rectangular shape and is outdoors in a pair of upper and lower horizontal pieces.On the side and at the position where the spacer is not arranged,Ventilation holes are perforated.
  still,The vents are formed on the outdoor side of the pair of upper and lower horizontal pieces at substantially the same position in plan view.Be.
[0006]
  ThisTo thisAccording to this, since the foundation for the building is formed of the extruded shape of the aluminum alloy, there is no corrosion or dimensional change due to the damage of white ants or moisture, and the foundation is stable in cross section, shape and strength over a long period of time. Further, it is lightweight and can reduce the fixed load, has high processing accuracy, can improve the workability of the building, and is preferable from the environment.
  In addition, the outside air introduced from the vents reduces the moisture absorption of the heat insulating material disposed on the foundation, prevents condensation between the inner and outer materials, or enhances the heat insulating property and heat retaining property in the room. Can do. Accordingly, shrinkage deformation and deterioration of the heat insulating material due to the moisture absorption can be prevented, so that the comfortability of the building can be maintained in a comfortable state for a long time.
  The vent hole can be easily and quickly formed at a predetermined position by drilling a pair of upper and lower horizontal pieces with a drill or a punching press. The longitudinal direction is the same as the extrusion direction of the extruded shape forming the foundation.
[0007]
  On the other hand, a second building foundation according to the present invention (claims)2) Along the top surface of the foundationThrough the spacerPlaced,A building base comprising a base body formed of an extruded shape made of an aluminum alloy, and a reinforcing material fitted in a predetermined position in the longitudinal direction of the base body and made of the same extruded shape as described above. The base body has a substantially U-shaped cross section consisting of an upper horizontal piece, a pair of vertical pieces located on the outdoor / indoor side, and an opening surrounded by these and opened to the foundation side.And  The reinforcing member has a substantially rectangular cross section including a pair of upper and lower horizontal pieces, a pair of vertical pieces located on the outdoor / indoor side, a pair of vertical partition walls, and a hollow portion surrounded by these.And the reinforcing material is fitted on the outdoor side of the horizontal piece of the base body.And the spacer is not arrangedIn the position, a vent hole is perforated.
[0008]
Also by this, there is no fear of white ants eating damage, corrosion due to moisture, dimensional change, and building distortion, and the processing accuracy is high and the workability of the building is enhanced. Furthermore, since the reinforcing material is disposed only in the portion where the anchor bolt penetrates or the portion where the pillar is erected and the load in the vertical direction is concentrated, it is possible to provide a foundation that is lighter and has good workability. In addition, the outside air introduced from the air vents reduces the moisture absorption of the heat insulating material placed on the base body, prevents condensation between the inner and outer materials, or increases the heat insulation and heat retention in the room. Can do. In addition, since the vent hole only needs to be drilled by a drill or a punching press at a position where the reinforcing material in the horizontal piece of the base body is not fitted, it can be formed more easily and quickly.
[0009]
  Further, according to the present invention, the vent hole is a plurality of round holes having a circular shape in plan view, or a single or a plurality of long holes, and the plurality of round holes or an arbitrary number of the long holes are the base for the building. Or a building base, drilled substantially along the longitudinal direction of the base body (claims)3) Is also included.
  According to this, it becomes easy to introduce necessary and sufficient outside air into the space located between the interior material and the exterior material of the building. Note that the drilling of the round hole is mainly performed by a drill, and is particularly effective when drilling into a pair of upper and lower horizontal pieces on the building base. On the other hand, perforation of long holes is mainly performed by punching or milling with a press, and is particularly effective when drilling in a horizontal piece of a base body.
  Furthermore, in the present invention, the vent hole drilled in the upper horizontal piece in the building base or the vent hole drilled in the horizontal piece of the base body is erected on the building base or the base body. Building foundations (Claim 4) are also included, which are formed at positions where no pillars are placed..
[0010]
Further, in the present invention, the ventilation hole perforated in the upper horizontal piece in the building base or the vent hole perforated in the horizontal piece of the base body is a heat insulating material disposed above the building base or the base body. And a building base (Claim 5) that communicates with a vertical space located between the heat insulating material and the exterior material disposed on the outdoor side.
According to this, the moisture absorption of the said heat insulating material arrange | positioned above a base or a base main body can be reduced with the external air introduce | transduced from the vent hole perforate | punched in the said any horizontal piece. For this reason, it is possible to prevent shrinkage deformation and deterioration of the heat insulating material due to such moisture absorption, prevent condensation between the inner and outer materials, or prevent so-called clouding that occurs in the vicinity of the building, so that the habitability of the building It is easy to keep the device in a comfortable state for a long time.
The vertical space includes a form communicating from the vicinity of the building base to the vicinity of the roof ridge, which can contribute to maintaining the heat insulation and heat insulation in the room.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
In the following, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view schematically showing an outline of a completed construction state of a first building base 1 according to the present invention, and the base 1 extends along the upper surface of a foundation K of the building as shown in FIG. Are arranged via spacers S and s.
As shown in FIG. 1, the building foundation 1 is fixed to the foundation K by anchor bolts 20, and the bolts 20 penetrate the foundation 1 in the vicinity of the pillars H standing on the foundation 1. Further, the pillar H is erected vertically through a connection fitting 40 described later. In addition, between the pillars H and H on the building base 1, an intermediary pillar mH is erected with a metal fitting via a spacer S between the foundation K and between the building bases 1 and 1 parallel to each other. The joist 23 is stretched horizontally. The joist 23 is fixed on the joist support 24 as will be described later, or as shown in FIG. 1, the joist 23 is a hollow extruded section having a square cross section made of an aluminum alloy, and the joist 23 is formed in the hollow portion at the end. The support 24 is fixed to the base 1. At this time, the upper surface of the joist 23 is arranged at the same level as the upper surface of the building base 1.
[0012]
FIG. 2A is a storage diagram of the first building base 1 shown in FIG.
The building base 1 is disposed along the upper surface of the foundation K via a spacer S, and is made of an extruded shape of an aluminum alloy (JIS: A6063S-T5 or the like). As shown in FIG. 2 (A), the building base 1 has a substantially rectangular cross section composed of horizontal pieces 2 and 5 on the upper and lower ends and vertical pieces 3 and 4 on the outdoor and indoor sides. The hollow portions 6a, 6b and 6c are substantially similar to each other along the entire length in the longitudinal direction (the depth direction and the extrusion direction in the drawing).
[0013]
Since the hollow portions 6a, 6b, and 6c are divided by a pair of vertical partition walls 7a and 7b that are formed near the center in the width direction of the base 1 and at uneven positions, their width dimensions are different from each other. . Incidentally, the height of the entire outer shape of the base 1 is 40 mm, the width is 120 mm, and the thickness of each part is about 2 mm.
Further, as shown in FIG. 2 (A), the building base 1 has a shallow groove 2a in the vicinity of the center of the horizontal piece 2 at the upper end, and is a cross section facing the upper and lower ends of the vertical side 3 on the outdoor side. The L-shaped long and short ridges 8 and 10 and the inner fitting grooves 9 and 11 are integrally provided. Furthermore, horizontal protrusions 12 and 13 and a shallow concave portion 14 therebetween are integrally provided on the upper and lower ends of the vertical piece 5 on the indoor side.
[0014]
Further, as shown in FIG. 2A, a plurality of spacers S having a substantially square shape in plan view and a thickness of about 20 mm are placed on the foundation K at equal intervals along the front-rear direction in the drawing. The spacer S is made of hard synthetic rubber or synthetic resin having heat resistance and weather resistance. The spacer is continuous from an anchor portion (not shown) in the foundation K and is erected from the vicinity of the center of the upper surface of the foundation K. Anchor bolt 20 to penetrate.
As shown in FIG. 2A, the anchor bolt 20 passes through the hollow portion 6c located at the center of the building base 1 and the through holes 2b and 5a of the upper and lower horizontal pieces 2 and 5 and passes through the washer 21 and the nut. 22 and screw connection. As a result, the building base 1 is fixed above the foundation K via the plurality of spacers S, S.
[0015]
Further, as shown in FIG. 2 (A), vent holes 2c and 5b are perforated at positions close to the outdoors of the horizontal pieces 2 and 5 at positions where the spacers S and pillars described later are not disposed. The vent holes 2c and 5b are circular round holes in plan view, and a plurality of the vent holes 2c and 5b are continuously arranged along the front-rear (longitudinal) direction of FIG. Furthermore, as shown in FIG. 2 (A), a heat insulating material D and an interior material N on the indoor side are arranged on the horizontal piece 2 and between columns not shown. And on the outdoor side of the heat insulating material D, the plywood 38 and the exterior material G are vertically arranged through a narrow and vertical space sa.
Accordingly, as shown by the thick arrows in FIG. 2A, the vent holes 2c and 5b introduce the outside air ar into the space sa and discharge the moisture and moisture contained in the heat insulating material D to the outside. . Alternatively, by forming a circulation flow that discharges the introduced outside air ar from the above-mentioned space sa through a roof ridge portion (not shown), condensation in the space sa is prevented, heat insulation in the room is increased, or a roof ridge It is also possible to prevent so-called fogging that occurs near the portion.
[0016]
Further, as shown in FIG. 2 (A), a vertical piece 32 of a draining material 30 is fitted in the fitting grooves 9 and 11 of the vertical piece 3 on the outdoor side of the building base 1 and is fixed by screwing. 3 is fixed. The draining material 30 is also formed of the same aluminum alloy extruded shape as described above, and integrally includes a vertical piece 32, a horizontal piece 33, a protrusion 34, an inclined piece 35, and a cover piece 36, as shown in FIG. . Even if rainwater is sprayed on the inclined piece 35 from outside in the case of rain, the rainwater enters the indoor side from between the base 1 and the foundation K as shown in FIG. Disappear. In addition, when attaching the said plywood 38 using the upward ditch | groove enclosed by the vertical piece 32, the horizontal piece 33, and the protrusion 34, since the lower end of this plywood 38 can be supported, the construction property is easy. It becomes.
[0017]
Further, as shown in FIG. 2 (A), a plurality of joist supports 24 are arranged at intervals in the recess 14 between the projecting pieces 12 and 13 located on the vertical piece 4 on the indoor side of the building base 1. The step portions 27 at the protruding corners are individually locked and the vertical portion 25 is inserted.
As shown in FIG. 2 (A), the joist support 24 is also obtained by cutting the same extruded profile in the longitudinal direction so as to have a substantially L-shaped cross section composed of a vertical portion 25 and a horizontal portion 26. A stepped portion 27 is integrally provided at the protruding corner. As shown in FIG. 2A, the joist support 24 has the vertical portion 25 fixed to the vertical piece 4 with screws (not shown), and the joist 23 and the floor material F are placed on the horizontal portion 26. The
[0018]
FIG. 2B is a storage diagram of a building base 1 a which is a modification of the base 1.
The building base 1a is also made of an extruded shape of an aluminum alloy, and as shown in FIG. 2 (B), the same horizontal pieces 2, 5, vertical pieces 3, 4, and hollow portions 6a, 6b, 6c are provided. is doing. However, a protrusion 15 having an L-shaped cross section and a locking groove 16 inside thereof are provided at the upper end of the vertical piece 4 on the indoor side, and a horizontal and long protrusion 17 is provided at the lower end of the vertical piece 4. At the same time, a recess 18 is formed between the protrusion 15 and the protrusion 17. In addition, vent holes 2c and 5b similar to those described above are perforated at positions close to the outside of the horizontal pieces 2 and 5 at positions where the anchor bolt 20 and a bolt 48 described later do not penetrate. Similarly to the base 1, the building base 1a is also disposed above the foundation K via the spacer S, and is fixed by anchor bolts 20 penetrating the hollow portion 6c and the like.
[0019]
Further, as shown in FIG. 2B, the vertical piece 32 of the draining material 30 is fitted in the fitting grooves 9 and 11 of the vertical piece 3 on the outdoor side of the building base 1a in the same manner as described above.
In addition, as shown in FIG. 2B, a joist support 24a is disposed on the indoor vertical piece 4 of the building base 1a.
As shown in FIG. 2 (B), the joist support 24a also has a substantially L-shaped cross section composed of a vertical portion 25 and a horizontal portion 26, and is provided with a locking protrusion 28 and a locking groove 29 at its protruding corner. Yes. In addition, the length of the said protrusion 28 is set shorter than the protrusion 15 of the base 1a.
[0020]
The joist support 24a is fixed to the building base 1a as follows. First, the tip end portion of the locking protrusion 28 of the joist support 24a is inserted obliquely into the locking groove 16 at the upper end of the vertical piece 4. Next, in this state, the joist support 24a is pushed in while rotating in the clockwise direction in FIG. 2B, so that the protrusion 15 of the building base 1a is locked in the locking groove 29, and the building base is fixed. The vertical part 25 is inserted into the recess 18 of 1a. As a result, the joist support 24a is positioned. And after fixing the vertical part 25 of the joist support 24a to the vertical piece 4 with a screw (not shown), the joist 23 and the floor material F are placed on the horizontal part 26.
[0021]
According to the building foundations 1 and 1a as described above, the cross-section, shape, and strength are stable over a long period of time without white ants eating damage, moisture corrosion, and dimensional changes. In addition, it is lightweight, has excellent workability, and is formed from an extruded aluminum alloy material. Therefore, it has high processing accuracy, improves the workability of buildings, and does not use wood and is easy to recycle. preferable. And since external air can be introduce | transduced into the said space sa through the vent holes 2c and 5b and the hollow part 6a of the horizontal pieces 2 and 5, the water | moisture content and moisture which are contained in the heat insulating material D etc. can be discharged | emitted outside. Or, in the case of forming a circulation flow that prevents dew condensation in the space sa, or the introduced outside air is discharged from the space sa through the eaves part and the roof ridge part, It is also possible to prevent so-called clouding that occurs near the ridge.
[0022]
Here, the construction method to the foundation K is demonstrated by using the building base 1 as an example.
As shown in FIGS. 3 (A) and 3 (B), the connecting metal 40 between the base 1 and the pillar H is fixed in a non-rotatable manner at a position where the pillar H is fixed on the building base 1 in advance.
As shown in FIGS. 3 (A) and 3 (a), the connection fitting 40 has a rectangular connection plate 42 made of a steel plate, an inverted U-shaped recess 44 in which the center of the base 43 is elongated in an upward direction. It includes a nut 46 welded while being sandwiched between the recesses 44, and left and right pin holes 49, 49. A lower portion 45 of the recess 44 is positioned below the nut 46, and a rounded portion 44 a of the recess 44 is positioned above the nut 46.
As shown in FIG. 3 (A), below the building base 1, a base plate 47 having a substantially square shape in plan view in which the bolt 48 is vertically erected from the center of the upper surface, and the bolt 48 at the center. The spacer s penetrating the through hole sh is disposed. The spacer s is thinner than the spacer S by the thickness of the base plate 47.
[0023]
Further, as shown in FIG. 3 (A), through holes 2b and 5a are formed in the vicinity of the concave groove 2a in the center in the width direction of the horizontal pieces 2 and 5 of the building base 1. In addition, ventilation holes 2c and 5b are separately drilled on the outdoor side of the horizontal pieces 2 and 5 away from the through holes 2b and 5a.
As shown in FIGS. 3A and 3B, a bolt 48 standing from above the base plate 47 is passed through the through hole sh of the spacer s, the through hole 2b of the building base 1, and the like. The male thread portion 48a at the upper end is screwed into the nut 46 of the connection fitting 40. At the same time, as shown in FIG. 3B, the lower sides 43 and 43 of the connection plate 42 of the connection fitting 40 are inserted into the concave grooves 2 a in the horizontal piece 2 at the upper end of the building base 1.
[0024]
In this state, as shown by an arrow in FIG. 3A, the base plate 47 is rotated, the bolt 48 is screwed into the nut 46, and the spacer s and the building base 1 are interposed between the base plate 47 and the connection plate 42. Sandwich. When the base plate 47 comes into contact with the bottom surface of the spacer s, the rotation of the base plate 47, that is, screwing of the bolt 48 into the nut 46 is stopped.
As a result, as shown in FIG. 3 (B), the connection fitting 40 has the lower side 43, 43 of the connection plate 42 fitted in the groove 2a of the building base 1 and cannot be rotated. It is fixed on the base 1 for use. Even in a state where the column H is fixed to the connection fitting 40 and a load is applied from the building, the vertical pieces 3 and 4 of the building base 1 are not deformed by buckling or the like by the partition walls 7a and 7b. In addition, the above operation is performed similarly about the said foundation 1a for buildings.
[0025]
After the base 1 is fixed on the cloth foundation K, the pillar H is connected to the connection fitting 40 fixed on the building base 1 later. As shown in FIG. 3B, a slit hs provided vertically and a through hole ha penetrating the pillar H in the outdoor / indoor direction are formed at the lower end of the pillar H. Then, the connecting plate 42 on the fixed building base 1 is fitted into the slit hs of the column H, and a pin (not shown) is driven into the through hole ha and the pin hole 49 of the connecting plate 42 so that the column H cannot be pulled out. Can be connected on the base 1.
[0026]
Next, the building base 1 in which the connection fitting 40, the spacer s, and the base plate 47 are fixed at predetermined positions is fixed above the foundation K. As shown in FIG. 4A, the anchor bolt 20 erected from the foundation K passes through the center portion of the spacer S.
The building base 1 is fixed at a position where the connection fitting 40 is not provided, and the air holes 2c and 5b are formed at positions different from the fixing position of the base 1. Further, through holes 2b and 5a different from the above are drilled in the vicinity of the concave groove 2a and the like in the center in the width direction of the horizontal pieces 2 and 5 of the building base 1. Further, a nut 22 and a washer 21 are prepared.
[0027]
Next, as shown in FIG. 4 (B), the anchor bolt 20 is passed through the through hole 2b and the building base 1 is placed on the plurality of spacers S. Then, the washer 21 is inserted into the male screw portion 20a at the upper end of the anchor bolt 20 and the nut 22 is screwed. As a result, as shown in FIG. 4B, the building base 1 is firmly fixed along the upper surface of the foundation N via the plurality of spacers S. Moreover, even when the anchor bolts 20 and the nuts 22 are tightened, it is possible to prevent a situation in which the vicinity of the center of the horizontal piece 2 is deformed by the partition walls 7a and 7b, and the vertical pieces 3 and 4 are buckled.
The vent holes 2c and 5b are drilled in places where the anchor bolt 20 and the connection fitting 40 are not present. Thereafter, as described above, the pillar H is connected to the building base 1 via the connection fitting 40 and is erected vertically. Further, the above operation is similarly performed on the base 1a.
[0028]
FIG. 5A is a storage diagram of the second building base 50 in the present invention.
The building base 50 is a long base body 51 disposed along the upper surface of the foundation K, and the anchor bolt 20 or the bolt 48 that is fitted at a predetermined position in the base body 51 and is erected from the foundation K. This is a combination of a plurality of short reinforcing members 60 arranged at a position where the through hole penetrates. In FIG. 5A, the height of the entire building base 50 is 40 mm, and its width is 120 mm.
As shown in the upper part of FIG. 5 (B), the base body 51 is also made of an extruded shape of the same aluminum alloy as described above, has a substantially U-shaped cross section that opens downward (foundation K side), and has a horizontal piece 52 at the upper end. The vertical pieces 53 and 54 on the outdoor / indoor side and the opening 55 surrounded by them are integrally provided along the longitudinal (extrusion) direction. A concave groove 52a similar to the above is located at the center of the horizontal piece 52.
[0029]
Further, a plurality of oval vent holes 52c are perforated at predetermined intervals along the longitudinal direction at positions on the outdoor side of the horizontal piece 52 where the anchor bolt 20 and the bolt 48 do not penetrate. The vent hole 52c is formed by punching the horizontal piece 52 with a press or by milling.
Further, as shown in FIG. 5 (B), long and short ridges 56 and 58 facing each other in an L-shaped cross section are formed in the vicinity of the upper end and the lower end of the vertical side 53 on the outdoor side of the base main body 51 and the inner sides thereof. The fitting grooves 57 and 57 are formed along the longitudinal direction. Further, a protrusion 56 having an L-shaped cross section and an inner locking groove 57 are provided at the upper end of the indoor vertical piece 54, and a horizontal protrusion 59 is integrally provided along the entire length in the longitudinal direction. Have.
[0030]
On the other hand, the reinforcing member 60 is also made of the same extruded shape as described above, and is composed of upper and lower horizontal pieces 62 and 65 and outdoor and indoor side vertical pieces 63 and 64 as shown in the lower part of FIG. The cross section is substantially rectangular and has hollow portions 66a, 66b, 66c along the longitudinal direction. The hollow portions 66a, 66b, and 66c are divided by a pair of vertical partition walls 67a and 67b near the center of the reinforcing member 60 in the width direction, and the dimensions in the width direction are different from each other.
As shown in FIG. 5B, a wide groove 62a for receiving the bottom of the groove 52a of the base body 51 is formed at the center of the horizontal piece 62 at the upper end. Further, a projecting piece 68 erected from the vicinity of the tip of the lower horizontal piece 65 and a small groove 61 inside thereof are located at the lower end of the outdoor vertical piece 63, and at the lower end of the indoor vertical piece 64. The ridge 69 having an L-shaped cross section and the wide small groove 61 inside thereof are located.
[0031]
As shown in FIG. 5A, the reinforcing member 60 is fitted in a predetermined position in the opening 55 of the base body 51, and the lower end of the vertical piece 53 of the base body 51 is connected to the small groove of the reinforcing member 60 on the outdoor side. The protruding piece 59 that is inserted into the lower end of the vertical piece 54 of the base body 51 on the indoor side is inserted into the small groove 61 of the reinforcing member 60. As a result, the building base 50 in which a plurality of reinforcing members 60 are fitted at predetermined positions in the long base body 51 is assembled. 4A, the horizontal pieces 62 and 65 located near the center in the width direction of the horizontal piece 52 in the base body 51 and near the bottom of the recessed groove 52a and above and below the hollow portion 66c of the reinforcing member 60 The through-holes indicated by broken lines are respectively drilled.
[0032]
As shown in FIG. 5 (A), the anchor bolt 20 erected vertically from the foundation K in the upper surface thereof penetrates the spacer S, and further passes the above-mentioned through-hole base 51 and reinforcing material 60 in the building base 50. Penetrate the hole. The washer 21 is inserted into the male screw portion of the anchor bolt 20 protruding above the base 50 and the nut 22 is screwed.
As a result, the building base 50 is arranged and fixed along the upper side of the foundation K via the plurality of spacers S located below the portion where the reinforcing member 60 is fitted.
Before the above operation, the connection plate 42 of the connection fitting 40 is erected in advance using a bolt 48 or the like at a predetermined position on the building base 50, and after the operation, the base 50 The pillar H is fixed vertically on the top. Further, as shown in FIG. 5A, a heat insulating material D and an interior material (not shown) on the indoor side are arranged on the building base 50 and between the pillars H and H. The
[0033]
Further, as shown in FIG. 5 (A), the vertical piece 32 of the draining material 30 is fitted in the fitting grooves 57, 57 of the vertical piece 53 on the outdoor side of the base body 51 in the same manner as described above, and then drained. A plywood 38 and an exterior material G are constructed on both the inner and outer sides of the ridge 34.
Further, as shown in FIG. 5A, a joist support 24a is disposed on the indoor vertical piece 54 of the base body 51. Similarly to the above, after the locking groove 29 of the joist support 24a is locked to the protrusion 56 of the base body 51 and the locking protrusion 28 is locked to the locking groove 57, the locking groove 57 and the protruding piece 59 A vertical piece 25 is inserted between the two. As a result, the joist support 24a is positioned. Next, after fixing the vertical piece 25 to the vertical piece 54 of the base body 51 with screws (not shown), the joists 23 and the floor material F are placed on the horizontal piece 26.
As shown by the thick arrow in FIG. 5A, the outside air ar is narrowly sandwiched between the plywood 38 and the heat insulating material D through the vent hole 52c of the base body 51 at a position without the spacer S or the like. And it is always introduced into the vertical space sa.
[0034]
The building base 50 as described above is also formed of an aluminum alloy extruded shape, so there is no risk of white ant corrosion, moisture corrosion, dimensional changes, and building distortion, and construction is lightweight. Excellent in machining performance and machining accuracy. Moreover, since the outside air ar is introduced into the space sa through the vent hole 52c, moisture and moisture contained in the heat insulating material D and the like are discharged to the outside. Alternatively, by forming a circulation flow that discharges the introduced outside air ar from the above-mentioned space sa through a roof ridge portion (not shown), the heat insulation in the room is increased, or so-called smoke or dew condensation that occurs near the ridge portion. It can also be prevented beforehand.
In addition, the reinforcing member 60 is disposed only in a portion through which the anchor bolt 20 and the bolt 48 penetrate, and the horizontal pieces 52 and 62 of the base body 51 and the reinforcing member 60 are deformed downward or vertically by the partition walls 67a and 67b. Buckling deformation of 53, 63, 54, 64 can also be prevented. Accordingly, the necessary portion has sufficient strength and the outside air ar can be introduced freely, so that the heat insulating material D can be prevented from shrinking or deteriorating.
[0035]
FIG. 6A is a storage diagram of a building base 50 a in a modified form of the base 50.
Similarly to the above, the building base 50a is also a long base body 51a disposed along the upper surface of the foundation K, and the anchor bolt 20 that is fitted to a predetermined portion of the base body 51a and is erected from the foundation K. And a plurality of short reinforcing members 60a arranged at positions where the bolts 48 penetrate.
The base body 51 is also made of an extruded shape of an aluminum alloy. As shown in the upper part of FIG. 6 (B), the horizontal piece 52 at the upper end, the vertical pieces 53 and 54 on the outdoor side and the indoor side, and their surroundings as described above. It has a substantially U-shaped cross section composed of the opened portion 55. However, horizontal protrusions 59a and 59b are integrally provided along the entire length in the longitudinal direction near the upper end and the lower end of the vertical piece 54 on the indoor side.
[0036]
Further, the reinforcing member 60a is also made of the same extruded shape as described above. As shown in the lower part of FIG. 6B, the upper and lower horizontal pieces 62, 65 and the outdoor / indoor side vertical pieces 63, 64 as described above. And three hollow portions 66a to 66c are enclosed by the same partition walls 67a and 67b as described above. However, a ridge 69 having an L-shaped cross section and a narrow small groove 61 located inside the ridge 69 are formed at the lower end of the vertical piece 64 on the indoor side.
Similarly to the above, the reinforcing member 60a is fitted at a predetermined position in the opening 55 of the base body 51a, and the lower end of the vertical piece 53 of the base body 51 is inserted into the small groove 61 of the reinforcing member 60a on the outdoor side. On the indoor side, the lower end of the vertical piece 54 of the base body 51 a is inserted into the small groove 61 of the reinforcing member 60 a and the protruding piece 59 b is placed on the upper surface of the protrusion 69.
As a result, as shown in FIG. 6 (A), the building base 50a in which a plurality of reinforcing members 60a are fitted at predetermined positions in the long base body 51a is assembled.
[0037]
Through holes are drilled in the horizontal pieces 62 and 65 located near the center in the width direction of the horizontal piece 52 of the base body 51a and at the bottom of the recessed groove 52a and above and below the hollow portion 66c of the reinforcing member 60a. Are perforated at predetermined positions in the longitudinal direction.
The connecting metal fitting 40 is mounted on the base of the building so that the bottom side 43 of the connecting metal plate 42 of the connecting metal fitting 40 is fitted into the recessed groove 52a in advance using bolts 48 standing on the base plate 47. It is erected at the mounting position of the pillar H on 51a.
Next, as shown in FIGS. 6 (A) and 6 (C), the anchor bolts 20 erected from the foundation K through the spacer S are passed through the base body 51a and the reinforcing member 60a at different positions of the building base 50a. It penetrates through the hole and is inserted into the washer 21 and screwed into the nut 22. As a result, the building base 50a is fixed along the upper surface of the foundation K.
FIG. 6C is a vertical cross-sectional view as viewed perpendicular to FIG.
[0038]
Similarly to the above, after the vertical piece 32 of the draining material 30 is fitted into the fitting grooves 57, 57 of the base body 51a, it is attached and fixed to the base 50a in the same manner as described above.
Then, the connecting plate 42 is fitted into the slit hs at the lower end of the column H, and a pin (not shown) is driven horizontally into the column H and simultaneously penetrates the pin hole 49 of the connecting plate 42, so that it is placed on the building base 50a. The column H is set up so that it cannot be pulled out.
Further, as shown in FIG. 6A, after the vertical piece 25 of the joist support 24 is inserted and locked between the protruding pieces 59a and 59b of the base body 51a, and fixed to the vertical piece 54 or the like by screwing. The joist 23 and the floor material F are placed on the horizontal piece 26.
[0039]
As shown in FIG. 6 (C), the vent hole 52c is perforated in the horizontal piece 52 at a position where the reinforcing member 60a (60) in the base body 51a (51) is not fitted. As indicated by a thick arrow in A), the outside air ar can always be introduced into the space sa shown in FIG. 6A through the vent hole 52c.
The same effects as those of the foundation 50 can be obtained by the building foundation 50a.
The vent holes drilled in the horizontal pieces 52 of the base main bodies 51 and 51a may be a plurality of round holes formed by a drill. The arrangement of these round holes may be close to each other or in the longitudinal direction of the base main bodies 51 and 51a. You may disperse | distribute at equal intervals along.
[0040]
The building base of the present invention is not limited to the above-described forms, and can be appropriately changed without departing from the spirit of the present invention.
[0041]
【The invention's effect】
  According to the first building foundation of the present invention described above (Claim 1), there is no corrosion or dimensional change due to white ant's damage or moisture, the cross section, shape and strength are stable over a long period of time, and the weight is light. The fixed load can be reduced, the processing accuracy is high, the workability of the building can be improved, and the environment is preferable. Moreover, the outside air introduced from the ventilation holes can reduce the moisture absorption of the heat insulating material disposed on the base, prevent condensation between the inner and outer materials, or improve the heat insulating property and heat retaining property in the room. Therefore, since the shrinkage deformation and deterioration of the heat insulating material due to moisture absorption can be prevented, it becomes possible to keep the comfortability of the building in a comfortable state for a long time..
  On the other hand, the second building foundation of the present invention (claims)2), In addition to the above-described effects, the reinforcing material is disposed only in a portion through which the anchor bolt penetrates, so that it is lighter, the workability is improved, and the material can be saved. In addition, the vent hole can be formed more easily and quickly because it only has to be drilled by drilling, punching press, or milling only at a position where the reinforcing material is not fitted in the horizontal piece of the base body. it can.
[0042]
  Further claims3According to the building foundation, it becomes easy to introduce necessary and sufficient outside air into the space located between the interior material and the exterior material of the building.
  In addition, according to the building base of claim 5, moisture absorption of the heat insulating material disposed above the base or the base body is reduced by the outside air introduced from the vent hole drilled in any of the horizontal pieces. Therefore, shrinkage deformation and deterioration of the heat insulating material due to such moisture absorption can be prevented. Alternatively, it is possible to prevent condensation between the interior material and the exterior material and so-called clouding that occurs in the vicinity of the building, so that it is easy to maintain the comfortability of the building in a comfortable state.
[Brief description of the drawings]
FIG. 1 is a perspective view schematically showing a state where a first building foundation of the present invention is constructed on a foundation.
2A and 2B are vertical cross-sectional views at different positions showing the storage of the building base of FIG.
FIGS. 3A and 3B are schematic views showing a state in which a column connection fitting is fixed on the base of FIG. 1;
4A and 4B are schematic views showing a state in which the base of FIG. 1 is fixed to the upper surface of the fabric foundation.
FIG. 5A is a vertical sectional view showing accommodation of a second building base according to the present invention, and FIG. 5B is a perspective view showing a base body and a reinforcing material used for the base of FIG.
6A is a vertical cross-sectional view showing the storage of a building base, which is a modified form of the base of FIG. 5A, and FIG. 6B is a cross-sectional view showing a base body and a reinforcing material used for the base. (C) is a vertical cross-sectional view in vision orthogonal to (A).
[Explanation of symbols]
1,1a, 50,50a ... Building base
2,5,52 …… Horizontal piece
2c, 5b ……………… Ventilation hole
3, 4, 53, 54 ... …… Vertical pieces
6a-6c .................. Hollow part
51,51a ……………… Base body
55 ………………………… Opening
60,60a ……………… Reinforcing material
K …………………………… Basics
D …………………………… Insulation
G …………………………… Exterior material
sa ………………………… Space

Claims (5)

Arranged through along had and spacers on the upper surface of the foundation, a building for foundation formed by the extruded shape member made of aluminum alloy,
The cross section composed of a pair of upper and lower horizontal pieces, a pair of vertical pieces located on the outdoor / indoor side, a pair of vertical partition walls, and a hollow portion surrounded by these presents a substantially rectangular shape,
A vent hole is drilled at a position on the outdoor side of the pair of upper and lower horizontal pieces where the spacer is not disposed .
Building foundation characterized by that. Arranged through along had and spacers on the upper surface of the foundation, the foundation body which is formed by the extruded shape member made of aluminum alloy, is fitted to a predetermined position in the longitudinal direction of such a base body and the same extruded profile A building base comprising a reinforcing material comprising:
The base body, the horizontal plate of the upper toward a pair of vertical pieces located indoor and outdoor side, and sectional caused a nearly U consisting of the opened openings and basic side surrounded by them, the reinforcement the pair of upper and lower horizontal plate, a pair of vertical pieces located indoor and outdoor side, vertical pair of partition walls, and Rutotomoni the cross section consisting of a hollow portion surrounded by these Teisu a substantially rectangular,
A vent hole is perforated at a position where the reinforcing material is not fitted and the spacer is not disposed on the outdoor side of the horizontal piece of the base body.
Building foundation characterized by that. The vent hole is a plurality of round holes having a circular shape in plan view, or a single hole or a plurality of long holes, and the plurality of round holes or an arbitrary number of long holes is a longitudinal direction of the building base or the base body. Perforated almost along the
The building foundation according to claim 1 or 2 , characterized by the above. The vent hole drilled in the upper horizontal piece in the building base or the vent hole drilled in the horizontal piece of the base body is located at a position where a column standing on the building base or the base body is not arranged. Formed ,
The building foundation according to any one of claims 1 to 3, wherein The vent hole drilled in the upper horizontal piece of the building base or the vent hole drilled in the horizontal piece of the base body is a heat insulating material arranged above the building base or the base body and the outdoor side of the heat insulating material. Communicated with a vertical space located between the exterior materials and the like,
The building foundation according to any one of claims 1 to 4, wherein the building base is provided.

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