JP2001227062A - Reinforcement structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reinforcement structure capable of improving work efficiency in a job site and lessening load applied to a joint part between a foundation and a reinforcement hardware. SOLUTION: A foundation reinforcement hardware 8 clamping a reinforcement hardware 6 in a space up to the foundation 3 is disposed, and the foundation reinforcement hardware is fixed to the foundation by a fixture, whereby when a building is vibrated by an earthquake or the like, stress concentration on an anchor bolt 1 can be dispersed. That is, a warp of the reinforcement member 6 caused by vibration of the building is received by a face of the foundation reinforcement hardware 8 that abuts on the foundation 3, so that stress concentration on the anchor bolt 7 can be dispersed. Accordingly, local load to the foundation 3 can be lessened. In this reinforcement structure, it is sufficient to install the foundation reinforcement hardware 8 in a designated position, so that the work efficiency can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing structure for a building, in which a structure provided on a foundation of the building is reinforced by reinforcing hardware.

[0002]

2. Description of the Related Art In a so-called conventional construction method, a base metal is used to fix a pillar to a foundation and to realize seismic reinforcement. In addition to the pillars, it was necessary to fix the base to the foundation, and anchor bolts were used for this fixation.

FIGS. 7 (a) and 7 (b) show an example of a building reinforcing structure using such basic hardware. The foundation 3 is a footing block 1 having a substantially rectangular flat plate shape.
And a rising block 2 erected on the footing block 1. The foundation 3 has a cross section inverted T.
It is formed in a letter-shaped horizontally long state, and is set to a thickness sufficient to support the load of the building. A base 4 is laid on the rising block 2, and a pillar 5 is erected above the base 4. Further, the reinforcing hardware 6 is provided between the rising block 2 and the pillar 5, and the rising block 2 and the pillar 5 are connected to each other by the bolt 14 and the anchor bolt 7 via the reinforcing hardware 6. The base 4 is fixed by anchor bolts (not shown) embedded in the rising blocks, and the columns 5 are fixed to the base 4 by hardware (not shown). With this configuration, the column 5 can be securely fixed to the foundation 3.

[0004]

When the above-mentioned building reinforcement structure shakes due to an earthquake or the like, stress concentrates on the anchor bolts 7 fixing the reinforcing hardware 6 and the foundation 3. As a result, a local load is applied to the foundation 3.
Therefore, in order to reduce the load applied to the foundation 3, it is conceivable to provide a plurality of reinforcing hardwares 6. However, since it is necessary to remove the exterior material at a plurality of places after the construction, such a work is required at the construction site. Doing it takes time.

The present invention has been made in view of the above circumstances, and provides a building reinforcement structure capable of improving workability on site and reducing a load applied to a joint between a foundation and a reinforcing hardware. The purpose is to:

[0006]

The reinforcing structure for a building according to the present invention will be described with reference to the drawings.
And a foundation 3 composed of the rising block 2 and a structure provided on the rising block 2 are connected to each other by a reinforcing metal member 6.
Is fixed to the foundation 3 by, for example, an anchor bolt 7 as a fixture.

According to such a structure for reinforcing a building, even when the building shakes due to an earthquake or the like, the load applied to the reinforcing hardware 6 due to the shaking of the building can be dispersed by the basic reinforcing hardware 8. Therefore, stress concentration on the anchor bolt 7 can be dispersed. Therefore, the load on the foundation 3 can be reduced. In addition, the reinforcing structure of the building according to the present invention can improve the on-site workability since the basic reinforcing hardware 8 may be attached to a predetermined position. Further, as the base reinforcing metal member 8, a metal such as a steel material is preferably used.

In the case where the basic reinforcing metal member 8 is fixed to the foundation 3 at two or more positions including the connection portion of the reinforcing metal member 6, the basic reinforcing metal member 8 and the reinforcing metal member 6 are firmly attached to the foundation 3. The reinforcement of the structure provided on the rising block 2 connected to the reinforcing hardware 6 can be easily and firmly fixed. Further, the load applied to the reinforcing hardware 6 due to the shaking of the building can be dispersed by the basic reinforcing hardware 8.

Further, two or more of the reinforcing hardware 6 for connecting the foundation 3 and the structure are connected to one of the basic reinforcing hardware 8.
Thus, the number of parts can be reduced. Further, there is an advantage that the rigidity of the foundation 3 is improved.

In addition, by forming the base reinforcing metal member 8 into a C-shaped or L-shaped cross section, high rigidity can be obtained, for example, by using a lightweight steel material.
More specifically, the load applied to the reinforcing hardware 6 due to the shaking of the building can be dispersed by the basic reinforcing hardware 8.

The flanges 10a, 1a at at least one end of the corner portion 11 of the basic reinforcing metal piece 8 are provided.
It is preferable that 0b be the tapered surface 12, and even if the foundation reinforcing hardware 8 is arranged on the foundation 3 at the corner of the building, the foundation reinforcing hardware 8 can be arranged without gaps between the adjacent foundations 3. In addition, since the foundation reinforcing metal piece 8 can be arranged even at a corner of a building, versatility can be given by standardizing members.

Further, the fixing device may be a chemical anchor, and the base reinforcing metal member 8 and the reinforcing metal member 6 can be firmly fixed to the foundation 3.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIGS. 1A and 1B
3 constituting the reinforcing structure of the building of the present embodiment shown in FIG.
Is formed by a footing block 1 having a substantially rectangular flat plate shape and a rising block 2 erected on the footing block 1. Further, the foundation 3 is formed in a horizontally long state having an inverted T-shaped cross section, and is set to a thickness sufficient to support the load of the building. A base 4 is laid on the rising block 2, and a pillar 5 is erected above the base 4. One end of the reinforcing metal member 6 is fixed to the rising block 2 by an anchor bolt 7, and the other end is fixed to the column 5, and is installed between the rising block 2 and the column 5. As a result, the rising block 2 and the column 5 are connected via the reinforcing hardware 6. Also, the reinforcing hardware 6 is used as a base 3
And a base reinforcing metal piece 8 connected to the reinforcing metal piece 6. A section having a C-shaped cross section is applied to the foundation reinforcing metal piece 8. In this manner, at least a part of the reinforcing hardware 6 is sandwiched between the foundation 3 and the basic reinforcing hardware 8, and one end thereof is fixed to the rising block 2 of the foundation 3. A hole (not shown) for inserting the anchor bolt 7 is formed in the foundation 3.

Next, FIG.
(A), FIG. 2 (b) and FIG. A plurality of bolt holes 9 through which the anchor bolt 7 is inserted are provided at both ends of the foundation reinforcing metal member 8. The base reinforcement metal fitting 8
Are equally set.
Further, a bolt hole 9a is provided substantially at the center of the base reinforcing metal piece 8. The positions where the bolt holes 9a are provided are set so that the distances from the bolt holes 9a to the respective bolt holes 9 are equal. In the above, the positions of the bolts 9 and 9a in the middle direction of the base reinforcing metal piece 8 are set as follows. That is, when one of the flanges 10a of the base reinforcing metal piece 8 serves as a bottom face and the other flange 10b serves as an upper face, each of the bolts is set to a height at which the load applied to the anchor bolt 7 can be most effectively received on the entire face of the flange 10a. It is preferable to set the positions of the holes 9 and 9a. Specifically, each of the bolt holes 9 and 9a provided in the foundation reinforcing metal part 8 is 2 /
Preferably, the height is set to 3. Further, a tapered surface 12 is formed at a corner portion 11 of the flanges 10a and 10b of the foundation reinforcing metal piece 8. For example, when arranging the foundation 3 at a corner of a building, it is preferable that the taper angle of the foundation reinforcing metal piece 8 installed on the foundation 3 is 45 degrees. Further, a bolt hole (not shown) having a shape corresponding to the bolt 9 a is provided in the reinforcing metal member 6.

The procedure for constructing the building reinforcement structure according to this embodiment will be described below with reference to FIG. First,
Anchor bolts 7 are inserted through bolt holes 9 provided at both ends of base reinforcing metal member 8, and anchor bolts 7 are inserted into bolt holes (not shown) having a shape corresponding to bolt holes 9 provided in reinforcing metal member 6. Insert it. In addition, by fixing the anchor bolt 7 to the rising block 2, the foundation reinforcing hardware 8 and the reinforcing hardware 6 are fixed to the rising block 2. That is, the foundation metal fitting 8 and the metal reinforcement 6 are overlapped, and the overlapped portion is fixed to the rising block 2 by the anchor bolt 7.

Next, a nut is attached to an anchor bolt 7 protruding from the foundation 3 through a bolt hole 9 provided in the base reinforcing metal member 8 and a bolt hole provided in the reinforcing metal member 6 and having a shape corresponding to the bolt hole 9. The reinforcing hardware 6 and the base reinforcing hardware 8 are fixed to the anchor bolt 7 by screwing and fastening (not shown). An anchor bolt 7 protruding from the foundation 3 through a bolt hole 9 provided in the foundation reinforcing hardware 8.
The base reinforcing metal member 8 is fixed to the base 3 by screwing and tightening a nut. As described above, the reinforcing hardware 6
And the foundation reinforcing metal piece 8 is firmly fixed to the foundation 3.

Further, since the foundation reinforcing metal piece 8 has the tapered surface 12, even the foundation reinforcing metal piece 8 installed on the foundation 3 arranged at the corner of the building is installed on the adjacent foundation 3. The tapered surface 12 can be brought into contact with the foundation reinforcing metal piece 8 thus formed. Therefore, it is possible to arrange a plurality of foundation reinforcing metal pieces 8 on the foundation 3 provided when constructing a building in a layout in which no gap is generated.

Further, the basic reinforcing metal member 8 of the present embodiment is a C-shaped cross section in which a metal such as steel is preferably used, but the basic reinforcing metal member 8 is an L-shaped cross section or the like. A shape member having the shape shown in FIG. In addition, the anchor bolt 7 of the present embodiment
May be a chemical anchor formed of resin or the like.

As another embodiment of the procedure for constructing the reinforcing structure of a building according to the present embodiment, means for fixing the foundation reinforcing hardware 8 and the reinforcing hardware 6 to the foundation 3 will be described. When fixing the base reinforcing metal member 8 and the reinforcing metal member 6 to a predetermined surface of the rising block 2, an anchor bolt 7 is driven from the back surface of the predetermined surface, and the anchor bolt 7 is projected from the predetermined surface. Next, the base reinforcing metal member 8 and the reinforcing metal member 6 may be fixed to the protruding anchor bolt 7 so as to be fixed to the predetermined surface.

(Second Embodiment) FIG. 4A is a plan view showing a building reinforcement structure according to a second embodiment of the present invention.
(B) is a side view of FIG. 4 (b). The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.

In this embodiment, the pillar 5 is not erected on the rising block 2 but the base 4 is laid. One end of a reinforcing metal member 6 is fixed to the base 4, and the other end of the reinforcing metal member 6 is connected to the rising block 2 by a base reinforcing metal member 8.
It is fixed with. That is, the basic reinforcing metal member 8 is superimposed on the reinforcing metal member 6, and the overlapped portion is fixed to the rising block 2 by the anchor bolt 7.

According to the present embodiment, even in a building reinforcing structure in which the base 4 and the foundation 3 are connected via the reinforcing hardware 6, the reinforcing hardware 6 and the rising block 2 are used for the reinforcing hardware 6. Can be fixed to the rising block 2 in such a manner as to sandwich the base metal.

(Third Embodiment) FIG. 5A is a plan view showing a reinforcing structure for a building according to a third embodiment of the present invention.
FIG. 5B is a side view of FIG. The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.

In this embodiment, the pillar 5 is erected on a base laid on the rising block 2. One end of the reinforcing metal member 6 is fixed to the column 5, and the other end of the reinforcing metal member 6 is fixed to the rising block 2 together with the basic reinforcing metal member 8. That is, the base reinforcing metal piece 8 is overlapped with the reinforcing metal piece 6 in the same direction, and the overlapped portion is fixed to the rising block 2 by the anchor bolt 7. In addition, unlike the basic reinforcing hardware 8 of the other embodiments, the basic reinforcing hardware 8 used in the present embodiment overlaps with the reinforcing hardware 6 within the length from the base top 13 to the footing block 1. In addition, it is sufficient that the length is fixed to the rising block.

(Fourth Embodiment) FIG. 6 is a plan view showing a building reinforcement structure according to a fourth embodiment of the present invention. In addition,
The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted or simplified.

In this embodiment, a pillar 5 is erected on a base laid on the rising block 2. One end of the reinforcing metal member 6 is fixed to the column 5, and the other end of the reinforcing metal member 6 is fixed to the rising block 2 together with the basic reinforcing metal member 8. That is, the base reinforcing metal piece 8 is overlapped with the reinforcing metal piece 6 in the same direction, and the overlapped portion is fixed to the rising block 2 by the anchor bolt 7. In addition, the distance between one pillar 5 and the other pillar 5 is set relatively large, and one reinforcing hardware 6 whose one end is fixed to the pillar 5 and another reinforcing hardware 6 are defined as a rising block. The base reinforcing metal piece 8 to be sandwiched is long enough to connect the reinforcing metal pieces 6.

According to the present embodiment, the distance between one reinforcing metal member 6 provided on the foundation 3 and the other reinforcing metal member 6 is relatively large, and one basic reinforcing metal member 8 requires one distance. The length of the base reinforcing metal member 8 for fixing the reinforcing metal member 6 and another reinforcing metal member 6 to the foundation 3 also becomes large. Then, the foundation reinforcement hardware 8
The bolt holes 9b and 9c are added around the bolt hole 9a provided at the center of the foundation reinforcing metal fitting 8 in order to more securely fix the base reinforcing metal fitting 8 to the foundation 3. It may be fixed. Also,
The distance from the added bolt hole 9b to the bolt hole 9a and the distance from the bolt hole 9c to the bolt hole 9a are set equally.

(Fifth Embodiment) The reinforcing structure for a building according to the present embodiment is not particularly shown, but a patch plate having substantially the same thickness as the reinforcing hardware 6 is installed between the basic reinforcing hardware 8 and the foundation 3. are doing. In addition, the backing plate is installed so as not to overlap the reinforcing hardware 6.

According to the present embodiment, by placing the backing plate between the foundation 3 and the foundation reinforcing hardware 8, it is screwed to the nut with the anchor bolt 7, and the base reinforcement hardware 8 is attached to the anchor bolt 7. Can be made uniform on the base reinforcing metal member 8 when the nut is fixed.

Further, a bolt hole for inserting the anchor bolt 7 into the backing plate may be formed, and the backing plate and the foundation reinforcing metal piece 8 may be fixed to the foundation 3 with one anchor bolt 7. Further, the backing plate and the foundation reinforcing metal piece 8 may be integrally formed. In addition, a part of the base reinforcing metal piece 8 that does not overlap the reinforcing metal piece 6 may be formed so as to be convex with respect to the foundation 3 by the thickness of the reinforcing metal piece 6.

[0032]

As described above, according to the present invention,
Since the foundation reinforcing hardware that holds the reinforcement hardware between the foundation and the foundation is fixed to the foundation with the anchor bolts, the anchor bolts are used even when the building shakes due to an earthquake or the like. Stress concentration can be dispersed. That is, since the load applied to the reinforcing hardware due to the shaking of the building can be dispersed by the basic reinforcing hardware, the stress concentration on the anchor bolt can be dispersed. Therefore, the local load on the foundation can be reduced. In addition, the reinforcing structure for a building according to the present invention can improve workability because the basic reinforcing hardware may be attached to a predetermined position.

When a chemical anchor formed of a resin or the like is used for the anchor bolt at the superimposed portion, the base reinforcing metal and the reinforcing metal can be easily and firmly fixed on the base, and are connected to the reinforcing metal. The reinforcement of the structure provided on the rising block can be strengthened.

Further, since the foundation reinforcing hardware is laid laterally on the footing block, the load applied to the reinforcement hardware due to the shaking of the building can be distributed over the entire flange of the foundation reinforcing hardware.

In addition, since the corners of the flanges of the basic reinforcing metal have a tapered surface, the basic reinforcing metal can be arranged without gaps between the adjacent foundations even on the foundation at the corner of the building. In addition, since the foundation reinforcing hardware can be arranged even at a corner of a building, versatility can be provided by standardizing members.

[0036]

[Brief description of the drawings]

FIG. 1A is a perspective view showing a building reinforcement structure according to a first embodiment of the present invention. FIG. 1B is a side view showing a building reinforcement structure according to a first embodiment of the present invention.

2A is a perspective view of a basic reinforcing metal according to the first embodiment of the present invention. FIG. 2B is a cross-sectional view of the basic reinforcing metal of FIG.

FIG. 3 is a plan view showing a building reinforcement structure according to the first embodiment of the present invention.

4A is a plan view showing a building reinforcement structure according to a second embodiment of the present invention. FIG. 4B is a side view of the building reinforcement structure shown in FIG.

FIG. 5 is a plan view showing a building reinforcement structure according to a third embodiment of the present invention.

FIG. 6 is a plan view showing a building reinforcement structure according to a fourth embodiment of the present invention.

FIG. 7A is a perspective view showing a conventional building reinforcement structure. FIG. 7B is a side view showing a conventional building reinforcement structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Footing block 2 Rise block 3 Foundation 4 Base 5 Column 6 Reinforcement hardware 7 Anchor bolt 8 Foundation reinforcement hardware 9 Bolt hole 9a Bolt hole 9b Bolt hole 9c Bolt hole 10a Flange 10b Flange 11 Corner part 12 Tapered surface 13 Base top 14 bolt

Claims (6)

[Claims] 1. A reinforcing structure for a building in which a foundation constituted by a footing block and a rising block and a structure provided on the rising block are connected by a reinforcing hardware, wherein the foundation is connected to the reinforcing hardware. A reinforcing structure for a building, wherein the reinforcing hardware is fixed to a foundation by a fixture. 2. The reinforcing structure for a building according to claim 1, wherein said foundation reinforcing hardware is fixed to said foundation at two or more positions including a connection portion of said reinforcing hardware. Construction. 3. A reinforcing structure for a building according to claim 1, wherein two or more said reinforcing hardware for connecting said foundation and said structure are connected by one said base reinforcing hardware. Reinforcement structure for buildings. 4. A reinforcing structure for a building according to claim 1, wherein said base reinforcing metal is a C-shaped or L-shaped profile member. 5. The reinforcing structure for a building according to claim 4, wherein at least one end face of each of both ends of the basic reinforcing metal at a flange side is a tapered surface. 6. The reinforcing structure for a building according to claim 1, wherein said fixture is a chemical anchor.