JP6531032B2 - Method of construction of joint and joint structure - Google Patents

Description

  The present invention relates to a method of installing a joint between a column material and a building frame.

  A method of joining a pillar to a foundation concrete by fixing a base plate integrated with a mounting member for a pillar to a foundation concrete and mounting a lower end of the pillar to the mounting member as a method of constructing a joint between a pillar and a building frame (See, for example, Patent Documents 1 and 2).

JP 2007-77612 A JP 2002-115339 A

  In such a method, the construction accuracy of a building concrete such as foundation concrete or a base plate becomes very important. Depending on the details of the pillars and the like, it may be difficult to construct the pillars at predetermined locations unless these errors are almost zero, making the work difficult.

  This invention is made in view of the problem mentioned above, The objective is to provide the construction method of the junction part which can easily join a pillar material and a building frame.

A first invention for achieving the above-described object is a method of installing a joint between a pillar and a frame of a building, comprising the steps of: providing a base plate on the frame; A step of joining the rib plate, a step of arranging a pillar-side rib plate provided at an end of the pillar on the rod-side rib plate, and a periphery of the rod-side rib plate and the pillar-side rib plate Casting the concrete, the column-side rib plate has an L-shaped notch, the pair of rod-side rib plates is provided on the base plate, and the space between the rod-side rib plates is provided. bar is passed, when arranging the pillar-side rib plate, a method of constructing junction the bar is characterized Rukoto disposed within notch of the pillar-side rib plate.

  In the present invention, after the installation of the base plate to the frame, the frame-side rib plate for mounting the pillars is attached by post-construction, so that the position adjustment of the frame-side rib plate becomes possible later, temporarily eliminating the installation error of the base plate etc. Then, it becomes possible to perform the joining of columns at a regular position.

In the present invention, before Kibashira side rib plate has a cut-out L-shaped, the skeleton side rib plate is provided in a pair on said base plate, bar is passed between the skeleton side rib plate, wherein when placing the pillar-side rib plate, but the bar is placed in the cutout of the pillar-side rib plate, after placing the pillar-side rib plate, that the position of the pillar is adjusted desired .

  In the present invention, notches are provided in the column-side rib plate, and the columns are arranged so that the rods between the rod-side rib plates are positioned in the notches. Since the notch is L-shaped, the pillars can be arranged even if there is a slight accuracy error, and position adjustment is easy.

The casing may have a recess, and when the base plate is provided on the casing, a filler may be filled between the base plate and the recess after adjusting the base plate to a predetermined height above the recess. desirable.
A recess is formed in the housing, and after level adjustment of the base plate is performed above the recess, a filling material is filled between the base plate and the recess to temporarily eliminate the construction error of the housing and attach the base plate, Construction accuracy can be improved.

A second invention is a joint structure of a column and a frame of a building, wherein a base plate is provided on the frame, a frame-side rib plate is joined to a base plate provided on the frame, and an end of the column Column-side rib plate provided in each part is placed on the above-mentioned column-side rib plate, concrete is cast around the above-mentioned column-side rib plate and column-side rib plate, and the above-mentioned column-side rib plate is L-shaped The rod side rib plate is provided on the base plate as a pair, and a rod is passed between the rod side rib plates, and the rod is disposed in the notch of the column rib plate It is a joint structure characterized in that.

  ADVANTAGE OF THE INVENTION According to this invention, the construction method of the junction part which can join a pillar material and a building frame easily can be provided.

A diagram showing fixing of the base plate 7 A diagram showing the attachment of the rib plate 17 Figure showing the lower end of the column 23 Figure showing the lower end of the column 23 A diagram showing the vicinity of the upper end of the column 23 Figure showing notch 291a Diagram showing the placement of root wound concrete 35

  Hereinafter, an embodiment of the present invention will be described in detail based on the drawings.

  FIGS. 1-7 is a figure explaining embodiment of the construction method of the junction part based on this invention. The construction method of the present invention is to carry out the construction of the joint between the column material and the frame of the building.

  In this embodiment, as shown to Fig.1 (a), it is constructed in the state which has the recessed part 5 in the building housing 1 in the upper surface. The building frame 1 is constructed of concrete or the like, and anchor bolts 9 for mounting the base plate are embedded in the concrete. The upper end of the anchor bolt 9 projects from the recess 5.

  As shown in FIG. 1 (b), the projecting portion of the anchor bolt 9 is passed through the hole (not shown) of the base plate 7, and the level adjustment of the base plate 7 is made above the recess 5 to a predetermined height. The base plate 7 is attached and fixed to the anchor bolt 9 by the following.

  The recess 5 is provided for level adjustment of the base plate 7. That is, even when the upper surface of the building frame 1 is above the planned installation position of the base plate 7 due to a construction error of the building chassis 1, the base plate 7 can be arranged in the recess 5 and installed at the planned installation position. On the upper surface of the base plate 7, a marking is performed to indicate a bonding position of a rib plate described later.

  After the base plate 7 is attached, a non-shrinkage mortar 13 is filled as a filler between the base plate 7 and the recess 5 as shown in FIG. 1 (c). Thus, the base plate 7 is provided on the building frame 1.

  Next, as shown in FIG. 2A, the lower side of the rib plate 17 (body-side rib plate) is joined to the upper surface of the base plate 7 by in-situ welding. FIG. 2 (b) is a side view of FIG. 2 (a).

  In the present embodiment, a pair of rib plates 17 are provided in parallel at predetermined intervals, and horizontal bolts 171 (bars) are passed between the rib plates 17. For example, a high tension bolt is used as the bolt 171. A reinforcing plate 173 is provided on the side surface of the rib plate 17, and the lower side of the reinforcing plate 173 is also joined to the upper surface of the base plate 7 by welding.

  In the present embodiment, a pillar (pillar) is attached to the rib plate 17. Fig.3 (a) is a figure which shows lower end part vicinity of the pillar 23, FIG.3 (b) is the figure which looked at Fig.3 (a) from the right side.

  The column 23 is, for example, a laminated cross section of rectangular cross section, and a pedestal cap 25 is attached to the lower end. A rib plate 29 (post rib plate) and an anchor bolt 33 are provided on the lower surface of the pedestal cap 25 so as to project therefrom. The rib plate 29 has an L-shaped notch 291 at its lower end. In the present embodiment, the two sides of the L shape of the notch 291 correspond to the axial direction of the column 23 and the direction orthogonal to the axial direction of the column 23, respectively, but the present invention is not limited thereto. In addition, two anchor bolts 33 are provided to sandwich the rib plate 29.

  As shown to Fig.4 (a), the pillar 23 is arrange | positioned diagonally so that the rib plate 29 of a lower end part may be accumulated on the rib plate 17 by the side of the building frame 1. As shown in FIG. FIG.4 (b) is the figure which looked at Fig.4 (a) from the right side.

  At this time, the rib plate 29 is inserted between the pair of rib plates 17, the bolts 171 are disposed at the corners in the notches 291, the rib plate 29 is locked, and the weight of the pillars 23 is deposited on the bolts 171.

  In the present embodiment, as shown in FIG. 5, a stigma cap 43 is provided at the upper end portion of the pillar 23, and the stigma cap 43 and the frame 45 of the roof structure 41 are connected. Although the position of the whole roof frame is adjusted according to the construction error of the roof frame 41 and the like, the position of the pillars 23 is also adjusted in accordance with the position adjustment of the roof frame 41 and the like. That is, the column 23 can be moved in the vertical plane (movement in the axial direction of the column 23 and a direction perpendicular thereto (see arrows A and B in FIG. 4)), whereby the position adjustment of the column 23 can be performed. After position adjustment, the rib plates 17 and 29 are joined by welding.

  In this embodiment, since the notch 291 is L-shaped, even if there is a slight accuracy error, the notch 291 can be deposited on the bolt 171 and the pillar 23 can be arranged as described above, and the movement in the vertical plane can be restricted Since the size is small, the above-mentioned position adjustment is easy. On the other hand, for example, as shown in FIG. 6, when the notch 291a is grooved (V-shaped), the arrangement of the rib plate 29 (pillar 23) is limited by the bolt 171, and the building frame 1, base plate 7, rib plate 17, If there is a construction error in the roof frame 41 or the like, it becomes difficult to arrange the pillars 23 so that the bolts 171 are located in the notches 291a and attach the both ends to the building frame 1 and the roof frame 41.

  In the present embodiment, finally, as shown in FIG. 7, rooted concrete 35 is placed at the joint between the pillar 23 and the building frame 1. The root-wound concrete 35 is disposed around a formwork (not shown) and cast around the base plate 7 on the building frame 1 side, the rib plate 17 and the rib plate 29 on the pillar 23 side, anchor bolt 33 etc. It is buried in rolled concrete 35.

  As described above, in the present embodiment, after the installation of the base plate 7 in the building frame 1, the rib plate 17 for attaching the columns 23 is attached by post-construction, so that the position adjustment of the rib plate 17 becomes possible later. Etc. can be eliminated once and joining of the columns 23 can be performed at a regular position.

  Further, in the present embodiment, the notches 291 are provided in the rib plate 29 on the side of the column 23, and the pillars 23 are arranged such that the bolts 171 between the rib plates 17 on the building frame 1 side are positioned in the notches 291. However, since the notch 291 is L-shaped, the pillars 23 can be arranged even if there is a slight accuracy error, and position adjustment is easy.

  Further, after forming the recess 5 on the upper surface of the building frame 1 and adjusting the height of the base plate 7 above the recess 5, the non-shrink mortar 13 is filled between the base plate 7 and the recess 5 as a filler. The installation error of the building frame 1 can be eliminated once, the base plate 7 can be attached, and the installation accuracy of the base plate 7 can be improved.

  However, the present invention is not limited to this. For example, although the upper end part of the pillar 23 is connected to the roof frame 41 in this embodiment, it does not restrict to this. Further, the building frame 1 to which the pillars 23 are to be joined is not particularly limited, and the pillars 23 can be joined by applying the construction method of the present invention to a slab on the middle floor of the building or foundation concrete. Further, the material and the cross-sectional shape of the column 23 are not particularly limited.

  Although the embodiments of the present invention have been described above with reference to the attached drawings, the technical scope of the present invention is not influenced by the embodiments described above. It is apparent that those skilled in the art can conceive of various changes or modifications within the scope of the technical idea described in the claims, and they are naturally also within the technical scope of the present invention. It is understood that it belongs.

DESCRIPTION OF SYMBOLS 1 ............ Building frame 5 ......... Recess 7 ......... Base plate 9, 33 ......... Anchor bolt 13 ......... Non-shrink mortar 17, 29 ......... Rib plate 23 ......... Column 25 ......... Column base Cap 35 ......... Root wound concrete 171 ... ... Bolts 291, 291a ... ... Notch

Claims (4)

It is a construction method of the connection part of a pillar material and the frame of a building,
Providing a base plate on the housing;
Bonding a casing-side rib plate to a base plate provided on the casing;
Arranging a pillar-side rib plate provided at an end of the pillar on the housing-side rib plate;
Casting concrete around the frame-side rib plate and the column-side rib plate;
Equipped with
The column side rib plate has an L-shaped notch,
The housing side rib plate is provided in a pair on the base plate, and a bar is passed between the housing side rib plates,
When placing the pillar-side rib plate, the construction method of the joint where the rod is characterized Rukoto disposed within notch of the pillar-side rib plate. After placing the pillar-side rib plate, the construction method of the joint according to claim 1, wherein the position of the pillar material is characterized in that it is adjusted. The housing has a recess and
Wherein when providing a base plate precursor was adjusted upwards by the base plate of a predetermined height of the recess claim 1 or claim 2, characterized in that filling the filler between the base plate and the recess The construction method of the junction as described in. The joint structure between the pillars and the frame of the building,
A base plate is provided on the housing,
The case-side rib plate is joined to the base plate provided on the case,
A pillar side rib plate provided at an end of the pillar material is disposed so as to overlap the rod side rib plate,
Concrete is cast around the casing side rib plate and the pillar side rib plate,
The column side rib plate has an L-shaped notch,
The housing side rib plate is provided in a pair on the base plate, and a bar is passed between the housing side rib plates,
The joint structure characterized in that the bar is disposed in the notch of the column side rib plate.

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