JP2003293595A - Reinforcing structure for existing wooden building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a reinforcing structure for an existing wooden building, which reinforces the existing wooden building by means of reinforcing members, and positively transmits a force borne by the reinforcing members to a foundation of the building. <P>SOLUTION: According to the reinforcing structure, the reinforcing members 51, 52 are attached to existing members 13, 14 of the existing wooden building 1, 2 or 3, such as a ground sill, a column, a girth, a pole plate and a beam, and both the existing members 13, 14 and the reinforcing members 51, 52 are fixed to the foundation 11 via connecting members 53, 59. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforced structure of an existing wooden building for improving the seismic resistance of the existing wooden building by a frame construction method and the like, and the performance against a vertical load.

[0002]

2. Description of the Related Art Conventionally, when reinforcing an existing wooden building by a frame construction method or the like, after removing the outer wall material or inner wall material of the building and floor / ceiling materials, the foundation, columns, body gaps, eaves girders, etc. The existing members such as beams are attached with reinforcements such as braces and structural plywood to improve the performance of the bearing wall. These reinforcing members are attached to the existing member, and the force that the reinforcing member bears is transmitted to the foundation through the existing member.
Here, the existing members may be deteriorated, and all of them may not be able to sufficiently exhibit mechanical performance. As a result, the force carried by the reinforcing member may not be reliably transmitted to the foundation through the existing member. In other words, it cannot be said that the reinforcing material has sufficiently fulfilled its role unless the force that the reinforcing material bears is transmitted to the foundation.

[0003]

DISCLOSURE OF THE INVENTION An object of the present invention is to reinforce an existing wooden building that can reliably transmit the force borne by the reinforcing material to the foundation when reinforcing the existing wooden building with the reinforcing material. Is to provide the structure.

[0004]

The reinforcing structure of an existing building according to the invention of claim 1 is an existing member including a structural member of an existing wooden building (base 1 as shown in FIGS. 1 to 3, for example).
3, pillars 14, braces 16, body differences, eaves girders, beams (not shown), etc., with reinforcing members (structural plywood) 51, (frame members) 52 attached, and existing members 13, 14, 16 and Reinforcement material 5
Both 1, 1 and 52 are fixed to the foundation (cloth foundation) 11 via connecting materials (metal plate) 53, (continuous fiber reinforcing material) 59.

According to the first aspect of the present invention, the existing member and the reinforcing member attached to the existing member are fixed to the foundation through the connecting members, respectively, so that the existing member and the reinforcing member bear the burden. The forces exerted by each can be transmitted directly to the foundation via the respective connecting members. That is, it is possible to increase the resistance and proof strength against the vertical load and the horizontal load acting on the building. Therefore, even if the existing members of the existing wooden building that have deteriorated are partially deteriorated, the force borne by the reinforcing material attached to the existing members of this deteriorated part can be reliably transmitted to the foundation through the connecting material. it can. That is,
The reinforcing performance of the existing wooden building is not impaired by the reinforcing material.

The invention according to claim 2 is, for example, as shown in FIGS. 1 to 3, in the reinforcing structure of the existing wooden building according to claim 1, the existing wooden building is constructed by a frame construction method. The base 13, which is located above the foundation 11, the pillars 14, and the plate-shaped reinforcing member 51 on the inner peripheral surface or the side surface of the frame body that is formed of any one of the body difference, the eaves girder, and the beam. Alternatively, it is characterized in that the panel-shaped reinforcing member formed by sticking the flat plate 51 is attached to the side surface of the frame member 52.

According to the invention described in claim 2, claim 1
The same effect as that of the invention described in 1) is obtained, and a flat plate is formed on the inner peripheral surface or the side surface of the frame body composed of the base located above the foundation, the pillar, and the body difference, eaves girder, or beam. Since the reinforcing material of the above, or the panel-shaped reinforcing material made by pasting a flat plate on the side surface of the frame material is attached, the existing wooden building can be effectively reinforced while making the most of the existing members provided in the existing wooden building. be able to.

The invention according to claim 3 is, for example, as shown in FIG. 1, in the reinforcing structure of the existing wooden building according to claim 2, a base 13 located above the foundation 11 and a pillar 14, A plurality of the flat plate-shaped reinforcing members 51 are attached to the inner peripheral surface or the side surface of the frame body formed of any of the body difference, studs, eaves girders, and beams, or the frame member 52 of the panel-shaped reinforcing member. Flat plates 51 are attached to both sides,
The flat plate-like reinforcing material or the flat plate 51 is arranged so as to be separated from each other so as to form a void therebetween, and the void is filled with the reinforcing material 50 made of a curable filler. Characterize. Here, the filler having curability refers to, for example, concrete or time-curable resin such as epoxy resin.

According to the invention of claim 3, claim 2
In addition to obtaining the same effect as the invention described in, the flat plate-shaped reinforcing material or the flat plate is arranged so as to form a void therebetween in a state of being separated from each other, and the void has a curable filler. Since it is filled with the reinforcing material consisting of, it is possible to increase the degree of reinforcement of the existing wooden building.

The invention according to claim 4 is, for example, as shown in FIGS. 1 and 2, in the reinforcing structure for an existing wooden building according to any one of claims 1 to 3, wherein the connecting member 53 is a metal plate. It is characterized by being. Here, a steel plate, an aluminum plate, a stainless plate, or the like can be used as the metal plate, but it is preferable to use a metal plate made of a material having good weather resistance. Further, when a gap is created between the connecting member and the foundation due to a construction error or the like, the gap may be filled with a filler such as mortar or epoxy resin.

According to the invention of claim 4, claim 1
The effect similar to that of the invention described in any one of 1 to 3 is obtained, and since the connecting member that connects the existing member and the reinforcing member to the foundation is a metal plate, the existing member and the reinforcing member and the connecting member of the existing wooden building are connected. By properly setting the area where and overlap and the area where the foundation and the connecting material overlap, the force can be reliably transmitted between the superstructure above the foundation of the existing wooden building and the foundation. . Also, since the connecting material is a plate-shaped member, the finishing surface of the reinforcing structure of the existing wooden building is
Almost no outward protrusion from the finished surface of an existing wooden building.

The invention according to claim 5 is, for example, as shown in FIG. 3, in the reinforcing structure of the existing wooden building according to any one of claims 1 to 3, the connecting material 59 is a continuous fiber reinforcing material. It is characterized by Here, the continuous fiber reinforcing material is a general term for continuous fibers used to reinforce a structure, and specific examples thereof include carbon fiber, aramid fiber, glass fiber, etc. Library No. 88-Guidelines for Design and Construction of Structures Using Continuous Fiber Reinforcement (Draft) "(Maruzen, 1996), p.
1). Further, when a gap is created between the connecting member and the foundation due to a construction error or the like, the gap may be filled with a filler such as mortar or epoxy resin.

According to the invention of claim 5, since the connecting member for connecting the existing member and the reinforcing material to the foundation is a continuous fiber reinforcing material, the same effect as that of the invention of claim 4 can be obtained. . Also, since the connecting material is made of continuous fiber reinforcement,
Lightweight and easy to work with.

According to a sixth aspect of the present invention, in the reinforcing structure for an existing wooden building according to any one of the first to fifth aspects, the connecting members 53 and 59 are the existing members using nails 54 and 55, bolts or screws. Members 13, 14, 16 and the reinforcing member 5
It is characterized by being fixed to 1, 52.

According to the invention of claim 6, claim 1
The effect similar to the invention described in any one of to 5 is obtained, and since the connecting member is fixed to the existing member and the reinforcing member by the nail, the bolt, or the screw, the existing member and the reinforcing member are connected via the connecting member. The force can be smoothly transmitted to the foundation.

The invention according to claim 7 is the reinforcing structure for an existing wooden building according to any one of claims 1 to 6, wherein the connecting members 53, 59 are anchor bolts 56, (post-installed anchor bolts) 56A. Is fixed to the foundation 11 by means of. Here, the anchor bolt includes a post-installed anchor bolt.

According to the invention of claim 7, claim 1
The effect similar to that of the invention described in any one of to 6 can be obtained, and since the connecting material is fixed to the foundation by the anchor bolts, the force can be smoothly transferred from the existing member and the reinforcing material to the foundation through the connecting material. Can be transmitted to.

The invention according to claim 8 is the reinforcing structure for an existing wooden building according to any one of claims 1 to 7, wherein the connecting members 53 and 59 are formed of the existing member 1 by an adhesive.
3, 14, 16, the reinforcing members 51, 52, the foundation 11
Is fixed to at least one of the above.

According to the invention of claim 8, claim 1
To the effect similar to that of the invention described in any one of 7 to 7, and since the connecting material is fixed to at least one of the existing member, the reinforcing material, and the foundation by the adhesive, the existing member and the reinforcing material of the existing wooden building By appropriately setting the bonding area between the timber or foundation and the connecting material, the force can be reliably transmitted between the superstructure above the foundation of the existing wooden building and the foundation.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of a reinforcing structure for an existing wooden building according to the present invention will be specifically described with reference to the drawings.

Reinforcement structures 1 to 3 of the existing wooden building described in the first to third embodiments are shown in FIGS. 1 to 3, respectively.
The reinforcing structures 1 to 3 of these existing wooden buildings are shown in, for example, FIG.
Base 13 and pillar 1 of the wall of the existing wooden building as shown in FIG.
4. Exterior material 18 attached to the wall body so as to leave existing members such as braces 16, body differences, eaves girders, beams (not shown)
(Mortar), 24 (siding), 29 (plaster) and its base 17 (base plate), 23 (furnace), 27
(Punch), 28 (small dance) are removed, and structural plywood 51 is attached to the inner peripheral surface or the side surface of the frame body including the base 11 of the existing member, the pillar 13, and the body difference, eaves girder, or beam. And frame material 5
Attach a reinforcing material consisting of 2, etc.
Both 14, 16 and the reinforcing members 51, 52 are fixed to the foundation 11 via a connecting member composed of a metal plate 53, a continuous fiber reinforcing member 59 and the like, respectively.

An example of an existing wooden building to be reinforced by the reinforcing structure for an existing wooden building according to the present invention will be described with reference to FIGS. 4 to 9. Each of these parts to be reinforced is an outer wall portion formed between pillars 14 provided above the base 13 in which the base 13 is disposed on the cloth foundation 11 made of reinforced concrete.

FIGS. 4 and 5 are a longitudinal sectional view and a transverse sectional view, respectively, of an outer wall 4 of an existing wooden building of a true wall structure in which the outdoor side surface is finished with lath mortar and the indoor side surface is finished with lath board base plaster. is there. On the outdoor side of the outer wall 4, a base plate 17 is attached to the pillars 14, studs 15, and braces 16, and asphalt felt and metal lath (not shown) are attached to the base plate 17, and mortar 18 is further applied. . On the indoor side of the outer wall 4, a furring strip 19 is attached to the pillar 14 and the stud 15, and the lath board 20 is attached to the furring strip 19.
Is attached, and plaster 21 is further applied.

FIGS. 6 and 7 are vertical and horizontal cross-sectional views, respectively, of an outer wall 5 of an existing wooden building of true wall construction, in which siding is attached to the outdoor side surface and the indoor side surface has a plaster coating of lath board base. . On the outdoor side of the outer wall 5, the pillars 14,
A furring strip 23 is attached to the studs 15 and the braces 16, and a siding 24 is mounted on the furring strip 23 so as to sandwich an asphalt felt (not shown). Outer wall 5
On the indoor side, the furring strip 19 is attached to the pillar 14 and the stud 15, the lath board 20 is mounted to the stud 15 and the furring strip 19, and the plaster 21 is applied.

FIG. 8 is a transverse cross-sectional view of the outer wall 6 of an existing true-wall wooden building in which the outdoor side surface and the indoor side surface are finished with painted walls. On the outer wall 6, a pier 27 is erected between the pillars 14, and a small dance 28 composed of a combination of bamboos and the like is attached along the pier 27, and the small dance 28 is used as a base for the outdoor side. The plaster 29 is applied to both the interior side and the interior side.

FIG. 9 is a cross-sectional view of the outer wall 7 of an existing large wooden building. On the outdoor side of the outer wall 7, the pillar 14 and the stud 1
5. A base plate 17 is attached to the braces 16, and asphalt felt and metal lath (not shown) are attached to the base plate 17.
Is attached and further mortar 18 is applied. On the indoor side of the outer wall 7, the pillar 14 and the stud 30 are connected to the furring strip 3
1 is attached, and the fireproof board 20 is attached to the studs 30 and the furring strip 31.

[First Embodiment] The reinforcing structure 1 for an existing wooden building according to the present embodiment has outer walls 4 to 4 shown in FIGS. 4 to 9.
It is applicable to most of the existing wooden buildings constructed by the wooden frame construction method such as 7. In the reinforced structure 1 of the existing wooden building, the exterior materials 18 (mortar), 24 (siding), so as to leave the existing members of the outer walls 4 to 7,
29 (plaster), interior material and its base 17 (base plate),
Remove 23 (furnace), 27 (through) and 28 (small dance).
Then, the frame member 52 is assembled to the inner peripheral surface of the frame body including the base 11 of the existing member, the pillar 13, and the body difference, eaves girder, or beam, and the structural plywood 51 is attached to both side surfaces of the frame member 52. Are attached with adhesive and nails 54. The structural plywood 51 attached to the outdoor side surface of the frame member 52 has a notch formed along the base 13 so that the surface thereof is flush with the surface of the cloth foundation 11, and at the height of this notch. , Adhesive and nail 54, base 13 with bolts or screws (not shown)
It is fixed to the side of. Lightweight concrete (reinforcing material) 50 is filled in the space between the two structural plywoods 51 attached to both side surfaces of the frame member 52. Then, a metal plate 53 is applied to the surfaces of the cloth base 11 and the structural plywood 51 that are flush with each other so as to follow their boundary lines, and the metal plate 53, the structural plywood 51, and the cloth base 11 are bonded by an adhesive. The metal plate 53 and the base 13, the structural plywood 51, and the frame member 52 are further fixed by nails 55, bolts or screws (not shown). Anchor bolts 56 or post-installed anchor bolts 56A provided at a predetermined interval between the metal plate 53 and the cloth foundation 11.
Are tied up by.

[Second Embodiment] The reinforcing structure 2 of the existing wooden building of the present embodiment is provided between the pillars 14 such as the outer walls 4, 5, and 7 shown in FIGS. 4 to 7 and 9. , Applicable to an existing wooden building provided with studs 15, 22, 30 to which a supporting material (base plate 17, furring strip 23, etc.) for supporting a wall exterior material (mortar 18, siding 24, etc.) is attached Is. In the reinforcing structure 2 of the existing wooden building, as shown in FIGS. 6 and 7 (FIGS. 4, 5, and 9), the base 11 and the pillars 13 that are the existing members of the outer wall 5 (4, 7) are used.
And siding 24 (mortar 18) which is an exterior material so as to leave studs 22 (15, 30) and braces 16 together with a frame body made of any one of body difference, eaves girder and beam.
Then, the furring strip 23 (base plate 17) that supports this is removed.

Then, as shown in FIG. 2, structural plywood 51 is attached to the side surface of the frame body composed of the base 11, the pillars 13, the braces 16, and the body difference, the eaves girder, or the beam with an adhesive and a nail 54. , 5
5. Attached with bolts or screws (not shown). The side surface of the cloth foundation 11 is coated with dimensional adjustment mortar 57 so as to be flush with the surface of the structural plywood 51. And the mortar 5 for adjusting the dimensions which is flush with each other
A metal plate 53 is applied to the surfaces of 7 and the structural plywood 51 along their boundaries, and the metal plate 53 is bonded to the structural plywood 51 and the dimensional adjustment mortar 57 with an adhesive (not shown). . Metal plate 53, base 13, stud 22
(15, 30) and the nails 54, 5 between the structural plywood 51.
It is further fixed by 5. In addition, the stud 22 (1
The metal plate 53 is tightly connected to the structural plywood 51 with bolts / nuts 58, nails or screws (not shown) in the portions where the positions 5, 30) are not located. In addition, the metal plates 53 are anchor bolts 56 provided at predetermined intervals on the cloth foundation 11.
Alternatively, they are tightly connected by post-installed anchor bolts 56A.

[Third Embodiment] The reinforcing structure 3 of the existing wooden building according to the present embodiment is provided between the pillars 14 such as the outer walls 4, 5, and 7 shown in FIGS. 4 to 7 and 9. , Support materials (base plate 17, furring strip 23, etc.) for supporting wall exterior materials (mortar 18, siding 24, etc.) are applicable to existing wooden buildings provided with studs 15, 22, 30 attached It is a thing. Reinforcement structure 2 of this existing wooden building
Then, as shown in FIGS. 4 and 5 (FIGS. 6, 7, and 9),
Base 11, pillar 13 which is an existing member of the outer wall 4 (5, 7)
And the mortar 15 (22, 30) and the brace 16 are left together with the frame body made of any one of the body difference, the eaves girder, and the beam, and the mortar 18 (siding 24) as the exterior material.
Then, the base plate 17 (the furring strip 23) that supports this is removed.

Then, as shown in FIG. 3, a structural plywood 51 is provided with an adhesive (not shown) and a nail 54 on the side surface of the frame body consisting of the base 11, the pillars 13, and the body difference, eaves girder, or beam. , 5
5. Attached with bolts or screws (not shown). The side surface of the cloth foundation 11 is coated with dimensional adjustment mortar 57 so as to be flush with the surface of the structural plywood 51. And the mortar 5 for adjusting the dimensions which is flush with each other
The continuous fiber reinforcing material 59 is applied to the surfaces of the composite plywood 51 and the structural plywood 51 along their boundaries, and the continuous fiber reinforcing material 59 is applied to the structural plywood 51 and the dimensional adjustment mortar 5.
It adheres to 7 with an adhesive agent (illustration omitted). The metal plate 53, the base 13, the studs 15 (22, 30), and the structural plywood 51 are further fixed by nails 54, 55.

According to the reinforcing structure 1 of the existing wooden building described in the first to third embodiments, the base 13, which is an existing member,
Since the pillars 14, the studs 15, 22, 30, the braces 16, and the structural plywood 51 and the frame member 52 attached to the pillars 16 are fixed to the foundation through the connecting members, respectively, the existing members and the reinforcing members are used. Since the connecting member made of the metal plate 51 or the continuous fiber reinforcing member 59 is fixed to the cloth foundation 11, the force that the existing member and the reinforcing member respectively bear are applied through the connecting members. Can be directly transmitted to the foundation. That is, it is possible to increase the resistance and proof strength against the vertical load and the horizontal load acting on the building. Therefore, even if the existing members of the existing wooden building that have deteriorated are partially deteriorated, the force borne by the reinforcing material attached to the existing members of this deteriorated part can be reliably transmitted to the foundation through the connecting material. it can. That is, the reinforcing performance of the existing wooden building by the reinforcing material is not impaired.

The base 1 located above the cloth foundation 11
3, a panel made by attaching structural plywood 51 to the inner peripheral surface or side surface of a frame body composed of pillars 14 and body differences, eaves girders, or beams, or structural plywood 51 to the side surface of frame material 52 Since the reinforcing material having the shape of a circle is attached, it is possible to effectively reinforce the existing wooden building while utilizing the existing members provided in the existing wooden building.

In addition, existing members and reinforcing materials and cloth foundation 11
Since the connecting material connecting the and is the metal plate 53 or the continuous fiber reinforcing material 59, the existing member of the existing wooden building and the area where the reinforcing material and the connecting material overlap, the cloth foundation 11 and the connecting material 5
By properly setting the area where 3, 59 overlap, the force can be reliably transmitted between the upper structure above the base 13 of the existing wooden building and the cloth foundation 11.
Further, since the connecting member is a plate-shaped member, the finished surface of the reinforcing structure of the existing wooden building hardly projects outward from the finished surface of the existing wooden building. In particular, when the connecting material is made of the continuous fiber reinforcing material 59, the weight is light and the workability is improved.

Further, the connecting members 53 and 59 are the nails 54 and 55,
The base 13, the structural plywood 51, the frame member 52 (and the pillar 14, the studs 15, 22, 30 and the bracing 1) by bolts or screws.
6) is fixed to the existing member and structural plywood 51, the frame member 52 through the connecting members 53 and 59, the cloth foundation 1
The force can be smoothly transmitted to 1.

Further, the metal plate 53 or the continuous fiber reinforcement 5
9 is an existing member by adhesive, structural plywood 51, frame material 5
2. Since it is fixed to at least one of the cloth foundation 11 (or the mortar 57 for adjusting dimensions), it is necessary to properly set the bonding area between the existing member and the reinforcing material of the existing wooden building or the foundation and the connecting material. Thus, the force can be reliably transmitted between the upper structure above the base of the existing wooden building and the foundation.

Further, according to the reinforcing structure 1 of the existing wooden building described in the first embodiment, the flat plate-like reinforcing members 51 are arranged so as to be separated from each other so as to form a space therebetween, and Reinforcement material 5 made of a curable filler in the voids
Since 0 is filled, the degree of reinforcement of the existing wooden building can be increased.

Further, according to the reinforcing structures 1 and 2 of the existing wooden building described in the first or second embodiment, the metal plate 53 is used.
Since it is fixed to the cloth foundation 11 by the post-construction anchor bolt 56 or the post-construction anchor bolt 56A,
Existing member and structural plywood 51, frame member 52 to connecting member 5
The force can be smoothly transmitted to the cloth foundation 11 via 3, 59.

Further, according to the reinforcing structures 2 and 3 of the existing wooden building described in the second or third embodiment, the mortar 18 or the siding 24 which is the exterior material and the mortar 18 which is the exterior material are removed without removing the interior material. Since the supporting base plate 17 or the furring strip 23 is removed for reinforcement, the reinforcement work can be performed exclusively outside the existing wooden building.

The reinforcing structure of the existing wooden building of the present invention is not limited to the above-mentioned respective embodiments, and various modifications and design changes may be made without departing from the spirit of the present invention. Is also good. For example, in each of the above-described embodiments, an example in which the reinforcing structure of the existing wooden building according to the present invention is applied to the outer wall portion of the existing wooden building constructed by the frame construction method is shown, but the present invention is the frame construction method. It may be applied to an existing wooden building constructed by a construction method other than, or may be applied not only to the outer wall but also to the inner wall. In addition, it goes without saying that the specific detailed structure and the like can be appropriately changed.

[0041]

According to the invention as set forth in claim 1, the existing member and the reinforcing member attached to the existing member are fixed to the foundation through the connecting members, respectively. The forces borne by each can be transmitted directly to the foundation via the respective connecting members. That is, it is possible to increase the resistance and proof strength against the vertical load and the horizontal load acting on the building. Therefore, even if the existing members of the existing wooden building that have deteriorated are partially deteriorated, the force borne by the reinforcing material attached to the existing members of this deteriorated part can be reliably transmitted to the foundation through the connecting material. it can. That is, the reinforcing performance of the existing wooden building by the reinforcing material is not impaired.

According to the invention of claim 2, claim 1
The same effect as that of the invention described in 1) is obtained, and a flat plate is formed on the inner peripheral surface or the side surface of the frame body composed of the base located above the foundation, the pillar, and the body difference, eaves girder, or beam. Since the reinforcing material of the above, or the panel-shaped reinforcing material made by pasting a flat plate on the side surface of the frame material is attached, the existing wooden building can be effectively reinforced while making the most of the existing members provided in the existing wooden building. be able to.

According to the invention of claim 3, claim 2
In addition to obtaining the same effect as the invention described in, the flat plate-shaped reinforcing material or the flat plate is arranged so as to form a void therebetween in a state of being separated from each other, and the void has a curable filler. Since it is filled with the reinforcing material consisting of, it is possible to increase the degree of reinforcement of the existing wooden building.

According to the invention of claim 4, claim 1
The effect similar to that of the invention described in any one of 1 to 3 is obtained, and since the connecting member that connects the existing member and the reinforcing member to the foundation is a metal plate, the existing member and the reinforcing member and the connecting member of the existing wooden building are connected. By properly setting the area where and overlap and the area where the foundation and the connecting material overlap, the force can be reliably transmitted between the superstructure above the foundation of the existing wooden building and the foundation. . Also, since the connecting material is a plate-shaped member, the finishing surface of the reinforcing structure of the existing wooden building is
Almost no outward protrusion from the finished surface of an existing wooden building.

According to the invention of claim 5, since the connecting member for connecting the existing member and the reinforcing material to the foundation is the continuous fiber reinforcing material, the same effect as that of the invention of claim 4 can be obtained. . Also, since the connecting material is made of continuous fiber reinforcement,
Lightweight and easy to work with.

According to the invention of claim 6, claim 1
The effect similar to the invention described in any one of to 5 is obtained, and since the connecting member is fixed to the existing member and the reinforcing member by the nail, the bolt, or the screw, the existing member and the reinforcing member are connected via the connecting member. The force can be smoothly transmitted to the foundation.

According to the invention of claim 7, claim 1
The effect similar to that of the invention described in any one of to 6 can be obtained, and since the connecting material is fixed to the foundation by the anchor bolts, the force can be smoothly transferred from the existing member and the reinforcing material to the foundation through the connecting material. Can be transmitted to.

According to the invention of claim 8, claim 1
To the effect similar to that of the invention described in any one of 7 to 7, and since the connecting material is fixed to at least one of the existing member, the reinforcing material, and the foundation by the adhesive, the existing member and the reinforcing material of the existing wooden building By appropriately setting the bonding area between the timber or foundation and the connecting material, the force can be reliably transmitted between the superstructure above the foundation of the existing wooden building and the foundation.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an example of a reinforcing structure for an existing wooden building according to the present invention.

FIG. 2 is a vertical cross-sectional view showing another example of the reinforcing structure for an existing wooden building according to the present invention.

FIG. 3 is a vertical sectional view showing still another example of the reinforcing structure of the existing wooden building according to the present invention.

FIG. 4 is a vertical cross-sectional view showing a situation before reinforcement of an existing wooden building.

FIG. 5 is a cross-sectional view showing a state of an existing wooden building before being reinforced.

FIG. 6 is a vertical cross-sectional view showing a state before reinforcement of an existing wooden building.

FIG. 7 is a cross-sectional view showing a state of an existing wooden building before being reinforced.

FIG. 8 is a cross-sectional view showing a state of an existing wooden building before being reinforced.

FIG. 9 is a cross-sectional view showing a situation before reinforcement of an existing wooden building.

[Explanation of symbols]

1-3 Reinforcement structure of existing wooden building 11 Foundation (cloth foundation) 13 Base (existing material) 14 pillars (existing members) 15,22,30 studs (existing members) 50 Reinforcement material (lightweight concrete) 51 Reinforcement material (structural plywood) 52 Reinforcement material (frame material) 53 Connecting material (metal plate) 54,55 nails 56 anchor bolt 56A (Post-construction) Anchor bolt 58 bolts and nuts 59 Connecting material (continuous fiber reinforcing material)

Claims (8)

[Claims] 1. An existing wooden structure in which a reinforcing member is attached to an existing member including a structural member of an existing wooden building, and both the existing member and the reinforcing member are fixed to a foundation via a connecting member. Building reinforcement structure. 2. The reinforcing structure for an existing wooden building according to claim 1, wherein the existing wooden building is constructed by a frame construction method, and has a base located above the foundation, a pillar, and Body difference, studs,
It is characterized in that a flat plate-like reinforcement material or a panel-like reinforcement material made by attaching a flat plate to the side surface of the frame body is attached to the inner peripheral surface or side surface of the frame body composed of either eaves girders or beams. Reinforcement structure of existing wooden building to be. 3. The reinforced structure for an existing wooden building according to claim 2, wherein a base located above the foundation, a pillar, a body difference, a stud,
Eaves girder, a plurality of the plate-shaped reinforcing material is attached to the inner peripheral surface or the side surface of the frame body composed of any of the beams,
Alternatively, flat plates are attached to both side surfaces of the frame member of the panel-shaped reinforcing member, and the flat plate-shaped reinforcing members or the flat plates are arranged so as to form a gap therebetween in a state of being separated from each other. A reinforcing structure for an existing wooden building, characterized in that the voids are filled with a stiffening filler material. 4. The reinforcing structure for an existing wooden building according to claim 1, wherein the connecting member is a metal plate. 5. The reinforcing structure for an existing wooden building according to claim 1, wherein the connecting member is a continuous fiber reinforcing material. 6. The reinforcing structure for an existing wooden building according to claim 1, wherein the connecting member is fixed to the existing member and the reinforcing member with nails, bolts or screws. Reinforcement structure of the existing wooden building which is the characteristic. 7. The reinforcing structure for an existing wooden building according to claim 1, wherein the connecting member is fixed to the foundation by anchor bolts. . 8. The reinforcing structure for an existing wooden building according to claim 1, wherein the connecting member is fixed to at least one of the existing member, the reinforcing member, and the foundation with an adhesive. Reinforcement structure of existing wooden building characterized by being present.