JP3500377B2 - Building reinforcement - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting and reinforcing tool for a building that reinforces a connecting portion between a pillar and a horizontal member in a building or the like.

[0002]

2. Description of the Related Art In recent years, structures such as houses are required to have a seismic design capable of withstanding a large-scale earthquake. As shown schematically in FIG.
A frame member 00 has a pillar 504 standing upright on the base 502 and a horizontal bridge member (a barrel, a beam, etc.) 506 bridged in the horizontal direction as a frame member. From the investigation of past earthquakes, it is known that most of the collapse of the building 500 is caused by damage at the connection portion between the pillar 504 and the horizontal member 506, as shown in FIG. 5B. Reinforcement of connecting parts has become a major issue.

Particularly in recent years when the number of buildings with three or more floors has increased, as shown in FIG. 5 (C), since the connecting portion between the second floor and the third floor cannot have a through pillar structure, a horizontal bridge is provided. Material 5
The number of cases in which two columns 504A and 504B are connected in series with 06 interposed therebetween is increasing, and the reinforcement of the connecting portion is an even greater issue.

As a structure for reinforcing the connecting portion between the column and the horizontal member in this way, a so-called brace is known in which connecting metal fittings are stretched diagonally between the connecting portions.

[0005]

However, since the brace is incorporated inside the building, it cannot be attached to the already built house from the outside. Further, the brace can function so as not to cause distortion between the columns and the horizontal members, but does not have a function of connecting and reinforcing two columns sandwiching the horizontal members. Therefore, there is a problem that the strength of this portion cannot be improved even if the brace is used.

[0006] Therefore, the present invention is a structure connecting reinforcing tool which can be effectively reinforced from the outside of the structure, and which has both the function of bracing and the function as a through column. It is intended to be provided.

[0007]

In order to achieve the above object, the present invention is a connecting and reinforcing tool for reinforcing a connecting portion between a pillar of a building and a horizontal member, wherein the pillar is provided on an outer surface of the pillar. A long column fixing member fixed across the connecting portion along the longitudinal direction thereof, and a horizontal member fixing member fixed to the outer surface of the horizontal member at a predetermined distance from the column fixing member. , A pair of elongated bridging members that are bridged from the positions on both sides of the pillar fixing member with the connecting portion interposed therebetween to the horizontal member fixing member.

As described above, the pair of bridging members are bridged from the positions on both sides of the column fixing member across the connecting portion to the horizontal member fixing member so that the connecting portion between the column and the horizontal member can be vertically moved. It can be reinforced to withstand force and horizontal. That is, the connecting and reinforcing tool according to the present invention has both a function as a brace and a function as a through column, whereby the connecting portion can be easily and reliably reinforced with one metal fitting. Furthermore, it becomes possible to fix the connecting stiffener from the outside of the building, and it can be easily attached to an already built building.

Further, in the present invention, each of the bridging members is superposed on the pillar fixing member at one end, and is fixed to the pillar fixing member and the pillar by the first screw member at the one end. It is preferably configured.

Further, in the present invention, each of the bridging members is superposed on the horizontal member fixing member at the other end, and at the other end, the horizontal member fixing member and the horizontal member are fixed by a second screw member. It is preferably configured to be fixed to the horizontal member.

In addition, in the present invention, the pillar fixing member is fixed to the pillar by a third screw member, and the horizontal member fixing member is fixed to the horizontal member by a fourth screw member. It is preferably configured.

Further, in the present invention, it is preferable that the column fixing member is made of a single elongated member. Alternatively, the pillar fixing member may include a pair of long members that are combined in series and an intermediate member that connects these members.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below based on the illustrated embodiments. FIG. 1 is a building (for example, a house) 1 using a connecting and reinforcing tool 100 according to the present embodiment.
02 is shown. This building 102 has a foundation 10
4 and columns 106 and 108, and a horizontal member 110,
It has a structure in which two columns 106 and 108 are combined in series with the horizontal member 110 interposed therebetween. In addition, the horizontal material is a frame material (a girder,
Beams). Connection reinforcing tool 100 according to the present embodiment
Is attached to the pillars 106 and 108 and the horizontal member 110 from the outside, and reinforces the connecting portions thereof.

FIG. 2 is a view showing the connection reinforcing tool 100. The connection reinforcing tool 100 includes a column fixing member 200 fixed to the columns 106 and 108, and a horizontal member fixing member 210 fixed to the horizontal member 110. Column fixing member 200
Is a long metal plate, and is attached along the longitudinal direction of the columns 106 and 108 across the connecting portion. The column fixing member 200 has a through hole 2 at the center in the longitudinal direction.
06, and through holes 202 and 204 (FIG. 3) at both ends in the longitudinal direction. The horizontal member fixing member 210 is a rectangular metal plate, and is attached to the horizontal member 110 such that its longitudinal direction matches the width direction of the horizontal member 110. The horizontal member fixing member 210 has a through hole 216 at the center in the longitudinal direction, and has through holes 212 and 214 (FIG. 3) at positions vertically symmetrical with respect to the center in the longitudinal direction.

A lower bridging member 220 is bridged from the lower end of the column fixing member 200 to the lower end of the horizontal member fixing member 210. The lower bridging member 220 is a long metal plate, and has through holes 222, 224 at both ends in the longitudinal direction.
have. Similarly, the upper bridging member 230 is bridged from the upper end of the column fixing member 200 to the upper end of the horizontal member fixing member 210. This upper bridging member 230
Is a long metal plate and has through holes 2 at both ends in the longitudinal direction.
32 and 234. The lower cross-linking member 220 and the upper cross-linking member 230 have the same shape, and are vertically symmetrically attached to the horizontal member 110.

Next, with reference to FIG. 3, the coupling reinforcing member 100.
The method of attaching the to the building will be described. When attaching the connecting reinforcement tool 100 to a building, first, the pillar fixing member 200 is applied to the outer surfaces of the pillars 106 and 108 so as to straddle the connecting portion along the pillars 106 and 108. In this state, the screw member 300 is inserted into the through hole 206 at the center of the column fixing member 200, and the screw member 300 is inserted into the columns 106, 1.
It is fixed to the horizontal member 110 between 08. As a result, the column fixing member 200 is attached along the columns 106 and 108. Next, the horizontal member fixing member 210 is applied to the outer surface of the horizontal member 110 at a position separated from the column fixing member 200 by a predetermined distance. In this state, the screw member 302 is inserted through the through hole 216 at the center of the horizontal member fixing member 210, and the screw member 302 is fixed to the horizontal member 110. As a result, the horizontal member fixing member 210 is fixed to the horizontal member 110.

Next, the through hole 22 of the lower bridging member 220.
2 and the through hole 202 on the lower side of the pillar fixing member 200 are superposed, and then the screw member 3 is inserted into these through holes 222 and 202.
04 is inserted, and the screw member 304 is fixed to the column 106. Further, after the through hole 224 of the lower bridging member 220 and the through hole 212 on the lower side of the horizontal member fixing member 210 are overlapped with each other, the screw member 306 is inserted into these through holes 224, 212, and the screw member 306 is inserted. Are fixed to the horizontal member 110. As a result, the lower bridging member 220 becomes the pillar fixing member 2
00 and the horizontal member fixing member 210 are fixed while being bridged.

Similarly, the through-hole 23 of the upper bridging member 230
2 and the through hole 204 on the upper side of the pillar fixing member 200 are superposed, and then the screw member 3 is inserted into these through holes 232 and 204.
08 is inserted and the screw member 308 is fixed to the column 108. Further, after the through hole 234 of the upper bridging member 230 and the upper through hole 214 of the horizontal member fixing member 210 are overlapped with each other, the screw member 310 is inserted into these through holes 234 and 214, and the screw member 310 is moved horizontally. It is fixed to the frame material 110. Accordingly, the upper bridging member 230 causes the pillar fixing member 20 to
0 and the horizontal member fixing member 210 are fixed while being bridged.

By fixing the bridging members 220, 230 with the above-mentioned screw members 304, 308, the column fixing member 200 itself is also firmly fixed to the columns 106, 108.

The connecting stiffener 10 thus mounted
According to 0, from the upper and lower ends of the column fixing member 200 fixed to the columns 106 and 108 to the horizontal member fixing member 210 fixed to the horizontal member 110, the bridging members 220 and 230 are obliquely formed.
Since it is bridged, it can withstand both vertical force and horizontal force.

Further, the connecting and reinforcing tool 100 has a pillar 10
6, 108 and the cross member 110 can be attached from the outside (that is, from the outside of the building 102),
It can be easily attached to already built structures. In addition, this connecting reinforcement 100 is
Since it can be installed in a narrow position, it can be installed without disturbing windows.

Next, a second embodiment of the present invention will be described. FIG. 4 is a diagram showing a connecting and reinforcing tool according to the present embodiment. In the first embodiment, the column fixing member 200
Is a single long member, in the present embodiment, the column fixing member 400 includes a pair of upper and lower long members 402 and 404 combined in series, and an intermediate member 406 connecting these members. have. The intermediate member 406 has a through hole 408 in the central portion, and has through holes 414 and 416 vertically on both sides of the through hole 408. Intermediate member 406
Is fixed to the horizontal member 110 between the columns 106 and 108 by a screw member (not shown) inserted through the through hole 408. A through hole 410 is formed at the upper end of the lower elongated member 402, and a through hole 202 similar to that of the first embodiment is formed at the lower end. Upper long member 404
A through hole 416 is formed in the lower end portion of the, and a through hole 204 similar to that in the first embodiment is formed in the upper end portion. Horizontal member fixing member 210 and bridging members 220, 23
The structure of 0 is the same as that of the first embodiment.

When attaching the connecting and reinforcing tool according to the present embodiment to a building, first, the intermediate member 406 is attached to the end 106,
The screw member (not shown) is applied to the horizontal member 110 between 108, and a screw member (not shown) is inserted into the through hole 408 to fix the screw member to the horizontal member 110. Next, the through hole 410 of the lower long member 402 is overlapped with the through hole 414 of the intermediate member 406, and screw members (not shown) are inserted into these through holes 410 and 414, and the screw member is fixed to the horizontal member 110. To do. Further, the through hole 412 of the upper long member 404 is inserted into the intermediate member 4
06 through hole 416, these through holes 41
A screw member (not shown) is inserted through 2, 416, and the screw member is fixed to the horizontal member 110. Thereby, the long member 4
Column fixing member 4 including 02, 404 and intermediate member 406
00 are mounted along posts 106 and 108. After that, as in the first embodiment, the horizontal member fixing member 2
10 is fixed to the horizontal member 110, and the bridging members 220,
Fix 230.

According to this embodiment, in designing a building,
When there is a limit to the mounting space for the connecting reinforcement, the long members 402 and 404 (and the bridging members 220 and 230) can be stored in that space by replacing them with different lengths.

The embodiments of the present invention have been described above with reference to the drawings. However, it is obvious that the present invention is not limited to the matters shown in the above-mentioned embodiment, and changes and improvements thereof can be made based on the description of the claims. For example,
The connection reinforcement 100 in the above-described embodiment has been described as being attached to the columns 106 and 108 (FIG. 1) that are connected in series, but a normal column that is not a series connection structure (for example, shown in FIG. 5A). May be attached to the pillar 504).

[0026]

As described above, according to the present invention, the bridge member is bridged from the column fixing member fixed to the outer surface of the column to the horizontal member fixing member fixed to the outer surface of the horizontal member. It is possible to reinforce the connecting portion between the horizontal member and the horizontal member so as to withstand both vertical force and horizontal direction. That is, the connecting and reinforcing tool according to the present invention has both a function as a brace and a function as a through column, whereby the connecting portion can be easily and reliably reinforced with one metal fitting. Furthermore, since the connecting reinforcement can be fixed from the outside of the building, it can be easily attached to an already built building. Therefore, it is possible to obtain a connection reinforcing tool for a building that can effectively reinforce even from the outside of the building.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a building to which a connecting and reinforcing tool according to a first embodiment of the present invention is attached.

FIG. 2 is a diagram showing the connecting and reinforcing tool shown in FIG.

FIG. 3 is a view showing a method of attaching the connecting and reinforcing tool shown in FIG.

FIG. 4 is a view showing a connecting and reinforcing tool according to a second embodiment of the present invention.

FIG. 5 is a diagram schematically showing a structure of a general building.

[Explanation of symbols]

100 Connection Reinforcement 102 Building 106,108 Column 110 Horizontal material 200,400 Column fixing member 202,204,206,212,214,216 Through hole 210 Horizontal material fixing member 220 Lower bridge member 222,224,232 , 234 through hole 230 upper bridging member 300, 302, 304, 306, 308, 310 screw member 402, 404 long member 406 intermediate member

Claims (6)

(57) [Claims] 1. A connecting and reinforcing tool for reinforcing a connecting portion between a pillar of a building and a horizontal member, which is fixed to an outer surface of the pillar across the connecting portion along a longitudinal direction of the pillar. A long column fixing member, a horizontal member fixing member fixed on the outer surface of the horizontal member at a predetermined distance from the column fixing member, and positions on both sides of the column fixing member sandwiching the connecting portion. To the horizontal member fixing member, and a pair of long-shaped bridging members that are bridged over each of the horizontal member fixing members. 2. Each of the bridging members is configured to be superposed on the pillar fixing member at one end and to be fixed to the pillar fixing member and the pillar by a first screw member at the one end. Claim 1 characterized by the above-mentioned.
Connecting reinforcement for the building described in. 3. The bridging members are superposed on the horizontal member fixing member at the other end and fixed to the horizontal member fixing member and the horizontal member at the other end by a second screw member. The building reinforcement tool according to claim 2, wherein the connecting reinforcement is constructed as follows. 4. The pillar fixing member is fixed to the pillar by a third screw member, and the horizontal member fixing member is configured to be fixed to the horizontal member by a fourth screw member. The building connection reinforcing tool according to claim 3, which is characterized in that. 5. The building reinforcement tool according to claim 1, wherein the pillar fixing member is a single elongated member. 6. The building according to claim 1, wherein the pillar fixing member includes a pair of long members that are combined in series and an intermediate member that connects these members. Connecting reinforcement.