JP2022011668A - Earthquake resistant reinforcement device, and attaching structure of earthquake resistant reinforcement device - Google Patents

Abstract

To perform earthquake resistant reinforcement with preferable flexibility and adaptability on adopting in a building, at low cost.SOLUTION: Earthquake resistant reinforcement devices 10 to 40 integrating a foundation 1 with an upper structure portion provided on the foundation 1 comprises: lower fixing metal fittings 11 to 41 fixed to a side face of the foundation 1; upper fixing metal fittings 15 to 45 fixed to the upper structure portion; and a reinforcement fiber material bundle Fb provided between the lower fixing metal fittings 11 to 41 and the upper fixing metal fittings 15 to 45 and connecting the lower fixing metal fittings 11 to 41 with the upper fixing metal fittings 15 to 45. The lower fixing metal fittings 11 to 41 include lower protrusions 12 to 42 protruding to a lateral side and being provided with a lower part of the reinforcement fiber material bundle Fb. The upper fixing metal fittings 15 to 45 include upper protrusions 16 to 46 protruding to the same direction as the lower protrusions 12 to 42 and being provided with an upper part of the reinforcement fiber material bundle Fb.SELECTED DRAWING: Figure 2

Description

The present invention relates to a seismic retrofitting device and a mounting structure for the seismic retrofitting device.

In conventional wooden construction, a seismic retrofitting method using reinforcing fiber materials such as aramid fiber and carbon fiber is adopted to join the foundation and the upper structural parts such as foundations and pillars provided on the foundation. Has been done. In Patent Document 1, a bonding band made of a reinforcing fiber material such as aramid fiber or carbon fiber is provided from the foundation to the column material in the upper structural portion, the upper part is pressed against the column material by a metal plate, and the lower part is pressed against the foundation by a reinforcing band. For example, it prevents the displacement and detachment of the upper structural part on the foundation due to the vertical shaking in a direct earthquake.

Japanese Unexamined Patent Publication No. 2008-002179

However, the bond band made of the conventional reinforcing fiber material needs to be in close contact with both the foundation and the superstructure in order to integrate the foundation and the superstructure, for example, the foundation and the superstructure. When a step is formed between the two, it may be difficult to adopt a bonding band made of a reinforcing fiber material.
Further, there is a problem that it is costly to form the reinforcing fiber material in a strip shape in order to bring it into close contact with both the foundation and the superstructure portion.

The present invention has been made in view of the above circumstances, and an object thereof is to provide excellent flexibility and flexibility in adoption in a building and to perform seismic retrofitting at low cost.

The invention according to claim 1 is, for example, as shown in FIGS. 1 to 9, seismic retrofitting in which the foundation 1 and the superstructure portion (base 2, pillar 5) provided on the foundation 1 are integrated. Devices 10-40
Lower fixing hardware 11 to 41 fixed to the side surface of the foundation 1 and
Upper fixed hardware 15 to 45 fixed to the superstructure portion and
A reinforcing fiber material bundle Fb provided between the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45 and connecting the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45, and a reinforcing fiber material bundle Fb. Equipped with
The lower fixing hardware 11 to 41 has lower protruding portions 12 to 42 protruding laterally and provided with a lower portion of the reinforcing fiber material bundle Fb.
The upper fixing hardware 15 to 45 is characterized by having upper protruding portions 16 to 46 protruding in the same direction as the lower protruding portions 12 to 42 and provided with an upper portion of the reinforcing fiber material bundle Fb.

According to the invention of claim 1, the reinforcing fiber material bundle Fb is provided between the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45, and the lower fixed hardware 11 to 41 and the upper side are provided. The lower portion of the reinforcing fiber material bundle Fb is connected to the fixed hardware 15 to 45, and is provided on the lower protruding portions 12 to 42 protruding laterally in the lower fixed hardware 11 to 41 for reinforcement. Since the upper portion of the fiber material bundle is provided on the upper protrusions 16 to 46 protruding in the same direction as the lower protrusions 12 to 42 in the upper fixed hardware 15 to 45, the reinforcing fiber material bundle Fb is used as the foundation 1. And it is not necessary to make close contact with any of the superstructure parts. In other words, even if there is a step between the foundation 1 and the superstructure portion, for example, the foundation 1 and the superstructure portion can be integrated by the reinforcing fiber material bundle Fb. Therefore, regardless of the presence or absence of a step, the foundation 1 of the building and the superstructure portion can be integrated to perform seismic retrofitting, which is excellent in flexibility and flexibility when adopted in a building.
Further, since the reinforcing fiber material bundle Fb does not need to be in close contact with either the foundation 1 or the superstructure portion, it does not need to be formed in a band shape and can be used as a bundle. As a result, seismic retrofitting can be performed at low cost.

The invention according to claim 2 is the seismic retrofitting device 10 to 40 according to claim 1, as shown in FIGS. 1 to 9, for example.
The reinforcing fiber material bundle Fb is characterized in that a bundle of reinforcing fiber material Fm made of carbon fiber is hardened with a thermoplastic resin.

According to the invention according to claim 2, in the reinforcing fiber material bundle Fb, each of the reinforcing fiber material Fm made of carbon fiber is lightweight and has high strength, and by bundling them, it is used for seismic reinforcement. It has sufficient strength as a material, and the bundle of reinforcing fiber material Fm is hardened by the thermoplastic resin to strengthen the foundation 1 of the building and the superstructure without unnecessarily expanding and contracting or unraveling. Can be integrated.

The invention according to claim 3 is the seismic retrofitting device 10 or 20 according to claim 1 or 2, as shown in FIGS. 1 to 6, for example.
The reinforcing fiber material bundle Fb is wound around between the lower protrusions 12 and 22 of the lower fixing hardware 11 and 21 and the upper protrusions 16 and 26 of the upper fixing hardware 15 and 25. It is characterized by being.

According to the third aspect of the present invention, the reinforcing fiber material bundle Fb includes the lower protrusions 12 and 22 of the lower fixed hardware 11 and 21 and the upper protrusions 16 and 26 of the upper fixed hardware 15 and 25. Since it is wound around between the two, the lower fixed hardware 11 and 21 and the upper fixed hardware 15 and 25 can be reliably connected by the reinforcing fiber material bundle Fb with a simple structure. As a result, seismic retrofitting can be performed at low cost, and construction related to seismic retrofitting can be easily performed.

The invention according to claim 4 is the seismic retrofitting device 30 according to claim 1 or 2, for example, as shown in FIGS. 1, 2, and 7.
The lower protruding portion 32 has a holding portion 32a for holding the lower end portion of the reinforcing fiber material bundle Fb.
The upper protruding portion 36 has a holding portion 36a that holds the upper end portion of the reinforcing fiber material bundle Fb.
Reinforcing fiber material bundles Fb are provided with retaining portions 33 and 37 at the lower end and upper ends.
In the reinforcing fiber material bundle Fb, the lower end portion of the lower end portion above the retaining portion 33 is held by the holding portion 32a of the lower protruding portion 32, and the upper end portion of the upper end portion is held by the retaining portion 37. The lower portion is held by the holding portion 36a of the upper protruding portion 36.

According to the fourth aspect of the present invention, in the reinforcing fiber material bundle Fb, the portion of the lower end portion above the retaining portion 33 is held by the holding portion 32a of the lower protruding portion 32, and the upper end portion thereof is held. Since the portion below the retaining portion 37 is held by the holding portion 36a of the upper protruding portion 36, the reinforcing fiber material bundle Fb is the holding portion 32a of the lower protruding portion 32 or the upper protruding portion 36. It can be held so as not to come off from the holding portion 36a, and the length of the reinforcing fiber material bundle Fb can be suppressed as much as possible. As a result, the lower fixed metal fitting 31 and the upper fixed metal fitting 35 can be securely connected by the reinforcing fiber material bundle Fb, and seismic reinforcement can be performed at low cost.

The invention according to claim 5 is the seismic retrofitting device 40 according to claim 1 or 2, for example, as shown in FIGS. 1, 2, and 8.
The lower end of the reinforcing fiber material bundle Fb is wound and held around the lower protruding portion 42 of the lower fixed metal fitting 41, and the upper end portion is wound around the upper protruding portion 46 of the upper fixed metal fitting 45. It is characterized by being held and held.

According to the fifth aspect of the invention, the lower end portion of the reinforcing fiber material bundle Fb is wound around the lower protruding portion 42 of the lower fixed metal fitting 41 and held, and the upper end portion of the upper fixed metal fitting 45 is held. Since it is wound and held around the upper protruding portion 46, it has a simple structure and while suppressing the length of the reinforcing fiber material bundle Fb as much as possible, the lower fixed metal fitting 41 and the upper fixed metal fitting are provided by the reinforcing fiber material bundle Fb. It can be reliably connected to the 45. As a result, seismic retrofitting can be performed at low cost, and construction related to seismic retrofitting can be easily performed.

The invention according to claim 6 is the seismic retrofitting device 20 to 40 according to any one of claims 1 to 5, for example, as shown in FIGS. 1, 2, 6 to 8.
Further provided with tension applying means (for example, adjuster bolt 27, screw portions 32b, 36b, nut portions 32c, 36c, pulleys 42a, 46a) for pulling the reinforcing fiber material bundle Fb in the length direction to apply tension. It is characterized by.

According to the sixth aspect of the present invention, since the tension applying means for pulling the reinforcing fiber material bundle Fb in the length direction to apply the tension is further provided, the tension is applied to the reinforcing fiber material bundle Fb by the tension applying means. By applying the foundation 1, the unity between the foundation 1 and the superstructure portion can be enhanced, and seismic reinforcement can be performed more firmly.

The invention according to claim 7 is the seismic retrofitting device 10 to 40 according to any one of claims 1 to 6, for example, as shown in FIGS. 1, 2, 4, 6 to 8. It is a mounting structure of seismic retrofitting devices 10 to 40 mounted on the frame of a building including the foundation 1 and the superstructure portion.
The superstructure portion includes a base 2 provided on the foundation 1 and a pillar member 5 provided on the base 2.
At the lower end of the pillar 5, a dimension adjusting material (splint 6) whose side surface is flush with the side surface of the pillar 5 and whose width at the lower end of the pillar 5 is lengthened is integrated. Is fixed to the lumber
The lower fixing hardwares 11 to 41 are fixed to the side surface of the foundation 1.
The upper fixing hardware 15 to 45 is characterized in that it is fixed straddling the base 2 and the dimension adjusting material integrally fixed to the lower end portion of the pillar material 5.

According to the invention according to claim 7, there is a structural restriction that makes it difficult to fix the upper fixing hardware 15 to 45 to the pillar material 5, for example, because the pillar material 5 and other members interfere with each other. Even if it occurs, the lower end of the pillar 5 has a side surface flush with the side surface of the pillar 5, and the width dimension at the lower end of the pillar 5 is lengthened. Is integrally fixed, and the upper fixing hardware 15 to 45 are structurally fixed so as to straddle the base 2 and the dimension adjusting material integrally fixed to the lower end portion of the pillar material 5. The upper fixing hardware 15 to 45 can be fixed to the column member 5 without being hindered by the restrictions, and the seismic reinforcing devices 10 to 40 can be securely and firmly attached to the frame of the building.

According to the present invention, it is possible to perform seismic retrofitting at low cost while being excellent in flexibility and flexibility when used in a building.

It is a perspective view when the mounting mode of a seismic retrofitting device is seen from diagonally above. It is a perspective view when the mounting mode of a seismic retrofitting device is seen from diagonally below. It is a figure explaining the structure of the fiber material bundle for reinforcement. It is a figure explaining the structure and the mounting mode of the 1st seismic retrofitting apparatus. It is a figure explaining the state in which the reinforcing fiber material bundle is wound around between the lower protrusion and the upper protrusion. It is a figure explaining the structure and the mounting mode of the 2nd seismic retrofitting apparatus. It is a figure explaining the structure and the mounting mode of the 3rd seismic retrofitting apparatus. It is a figure explaining the structure and the mounting mode of the 4th seismic retrofitting apparatus. It is a figure explaining the state which wound the lower end part of the fiber material bundle for reinforcement around the pulley of the lower protrusion part, and wound the upper end part around the pulley of the upper protrusion part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, although the embodiments described below are provided with various technically preferable limitations for carrying out the present invention, the technical scope of the present invention is not limited to the following embodiments and illustrated examples. do not have.

In each figure, reference numeral 1 indicates the foundation of the wooden building. The portion shown in the figure is a rising portion of a foundation 1 such as a solid foundation or a cloth foundation, and a reinforcing bar necessary for maintaining strength is embedded inside.

A plurality of bases 2 are provided on the foundation 1. One of the plurality of foundations 2 shown in FIGS. 1 and 2 has a long base 2 formed so as to extend from the foundation 1 to another foundation (not shown).
Further, a plurality of large pulls 3 are fixed to the side surfaces of the plurality of bases 2. These plurality of large pulls 3 are formed long in the same direction as the above-mentioned long base 2.
Further, a plurality of joists 4 are arranged orthogonally on the upper surfaces of the above-mentioned base 2 and the plurality of large pulls 3 formed in a long length.
Although not shown, the floor base material and the floor finishing material are laminated and provided on the upper surface of the plurality of joists 4, to form the floor structure of the building.

A plurality of pillar lumbers 5 are erected on the plurality of bases 2. The plurality of pillar materials 5 appropriately include through pillar materials and pipe pillar materials.
The diagonally arranged braces 7 are appropriately bridged between the plurality of adjacent pillars 5.
Although not shown, an outer wall base material, a moisture permeable waterproof sheet, an exterior material, etc. are provided on the outdoor side of the plurality of pillar materials 5, and an inner wall base material, an interior finishing material, etc. are provided on the indoor side. , The walls of the building are constructed. The inside of the wall is filled with a heat insulating material.

In the building frame structure configured as described above, in order to improve the seismic performance of the building, seismic retrofitting devices 10 to 40 that integrate the foundation 1 and the pillar material 5 provided on the base 2 are provided. Will be adopted.
By the way, in the past, hole-down hardware was attached to the joint between the foundation of a wooden building and the superstructure (for example, pillar material) provided on this foundation to prevent it from being detached and destroyed by an earthquake or the like. .. However, most of the wooden buildings before 2000 (2000) are not equipped with this hole-down hardware, or the number of hole-down hardware required to maintain seismic performance is not secured. , Seismic retrofitting of the wooden building is strongly recommended.
Therefore, the seismic retrofitting devices 10 to 40 are preferably adopted at the time of renovation of the building, but are not limited to this, and may be adopted at the time of new construction of the building.

The seismic retrofitting devices 10 to 40 are fixed to the foundation 1 and the column member 5. On the other hand, the large pull 3 is provided on the straight line between the foundation 1 and the pillar material 5. Therefore, the seismic retrofitting devices 10 to 40 and the obiki 3 may interfere with each other, resulting in structural restrictions that make it difficult to fix the seismic retrofitting devices 10 to 40 to the column member 5.

Therefore, a splint 6 for attaching the seismic retrofitting devices 10 to 40 is integrally fixed to the lower end portion of the plurality of pillar members 5. The splint 6 is made of a square lumber and functions as a dimension adjusting material for lengthening the width dimension (direction along the length direction of the base 2) at the lower end portion of the pillar material.
The splint 6 is fixed to the pillar 5 by a screw, an adhesive, or a combination thereof, or is appropriately fixed by another method.

Further, at least the indoor side surface of the splint 6 is flush with the side surface of the pillar member 5. However, the present invention is not limited to this, and each of the outdoor side surface and the indoor side surface may be flush with respect to the side surface of the pillar member 5.
Further, when the brace 7 and the splint 6 interfere with each other, a notch 6a is formed on the outdoor side surface of the brace 6 so as to avoid the interference between the brace 7 and the splint 6.

The seismic retrofitting devices 10 to 40 include lower fixed hardware 11 to 41 fixed to the side surface of the foundation 1, and upper fixed hardware 15 to 45 fixed straddling the base 2 and the pillar 5 (splint 6). A reinforcing fiber material bundle Fb provided between the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45 and connecting the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45 is provided. It is a thing.
Further, the lower fixing hardwares 11 to 41 have lower projecting portions 12 to 42 projecting sideways to provide a lower portion of the reinforcing fiber material bundle Fb.
Further, the upper fixing hardwares 15 to 45 have upper protruding portions 16 to 46 protruding in the same direction as the lower protruding portions 12 to 42 and provided with an upper portion of the reinforcing fiber material bundle Fb.

The reinforcing fiber material bundle Fb uses, for example, carbon fiber made of polyacrylonitrile (PAN) as the reinforcing fiber material Fm. However, the present invention is not limited to this, and carbon fibers using pitch (PITCH) may be used, or aramid fibers (polyamide fibers having an aromatic (benzene ring) molecular skeleton) may be used. Various reinforcing fiber materials Fm may be used in combination to the extent possible.
Then, as shown in FIG. 3A, the bundle of the reinforcing fiber material Fm is solidified by the thermoplastic resin. The timing of hardening with the thermoplastic resin is either before tension is applied to the bundle of reinforcing fiber material Fm or after tension is applied, and the selection is made by the structure of the seismic retrofitting devices 10 to 40 described later. It depends on each.
As shown in FIG. 3A, the reinforcing fiber material bundle Fb in the present embodiment is simply a bundle of a large number of reinforcing fiber material Fm. That is, it is neither a rope with a special twist nor a woven rope as shown in FIG. 3 (b). In short, the reinforcing fiber material bundle Fb is simply a bundle, and is manufactured without going through, for example, a step of knitting or weaving. Therefore, it is possible to keep the manufacturing cost extremely low.

The seismic retrofitting devices 10 to 40 in the present embodiment include the first seismic retrofitting device 10 having a different connection mode between the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45 by the reinforcing fiber material bundle Fb. , A second seismic retrofitting device 20, a third seismic retrofitting device 30, and a fourth seismic retrofitting device 40 are included.
As shown in FIGS. 1 and 2, the first seismic retrofitting device 10, the second seismic retrofitting device 20, the third seismic retrofitting device 30, and the fourth seismic retrofitting device 40 may be used together for one building. However, it may be adopted in the building for each type.

Hereinafter, the detailed configurations of the first seismic retrofitting device 10, the second seismic retrofitting device 20, the third seismic retrofitting device 30, and the fourth seismic retrofitting device 40 will be described.
In the description of each seismic retrofitting device 10 to 40, common elements are designated by a common reference numeral, and the description is omitted or simplified as appropriate.

[About the first seismic retrofitting device]
As shown in FIG. 4, the first seismic retrofitting device 10 in the present embodiment includes a lower fixed metal fitting 11 having a lower protruding portion 12, an upper fixed metal fitting 15 having an upper protruding portion 16, and a fiber material bundle for reinforcement. Fb and.

The lower fixing hardware 11 is an anchor bolt that is driven into the inner side surface of the foundation 1 (rising portion) and protrudes indoor (in the direction opposite to the outdoor direction). In this embodiment, post-installed anchors (for example, chemical anchors (registered trademark)) are used, but buried anchors may be used at the time of new construction. Anchor bolts may be brought into contact with the reinforcing bars inside the foundation 1.

Of the lower fixing hardware 11 which is an anchor bolt, the portion protruding from the side surface of the foundation 1 is the lower protruding portion 12 provided with the lower portion of the reinforcing fiber material bundle Fb.
A nut 13 is doubly provided at the tip of the lower protruding portion 12 in the protruding direction (double nut for preventing loosening) so that the reinforcing fiber material bundle Fb does not come off. The nut 13 may be welded and used. Alternatively, a deformed steel bar may be used as the lower fixing metal fitting 11, and a diameter-expanded portion may be provided at the tip portion in the protruding direction.
The nut 13 shall be provided as needed. In other words, the nut 13 does not have to be provided.

The upper fixed metal fitting 15 is a metal fitting having a rectangular iron plate fixed straddling the base 2 and the pillar material 5 (splint 6) as a main body portion (hereinafter referred to as a main body iron plate portion).
At the lower end of the main body iron plate portion of the upper fixed metal fitting 15, an upper protruding portion 16 is provided which projects in the same direction as the lower protruding portion 12 and is provided with an upper portion of the reinforcing fiber material bundle Fb. The upper protruding portion 16 is composed of bolts inserted into the main body iron plate portion whose head is welded or tapped to the main body iron plate portion, and the tip portion in the protruding direction of the upper protruding portion 16 is made of a reinforcing fiber material. A nut 17 is provided to prevent the bundle Fb from coming off. The nut 17 may or may not be provided in a double manner as in the nut 13 described above. Alternatively, it may be the head of a bolt provided as the upper protrusion 16.

A plurality of through holes 15a are formed in the main body iron plate portion of the upper fixed metal fitting 15 at a position above the upper protruding portion 16. A fixing bolt B for fixing the main body iron plate portion of the upper fixing hardware 15 to the indoor side surface of the splint 6 is passed through the plurality of through holes 15a. As the fixing bolt B in this embodiment, a screw bolt is used.
That is, the main body iron plate portion of the upper fixing hardware 15 is fixed to the splint 6 by the fixing bolt B. In this embodiment, the position where the fixing bolt B is screwed is only the pillar material 5 (splint 6), but the fixing bolt B is also screwed into the boundary between the base 2 and the pillar material 5 and the base 2. Alternatively, the main body iron plate portion may be fixed to the base 2 by a fixing means other than the fixing bolt B. Examples of the fixing means other than the fixing bolt B include a screw and an adhesive. When a screw is used, a through hole for the screw is formed in the iron plate portion of the main body.

As shown in FIGS. 4 and 5, the reinforcing fiber material bundle Fb is wound around between the lower protruding portion 12 of the lower fixed metal fitting 11 and the upper protruding portion 16 of the upper fixed metal fitting 15.
More specifically, the bundle of the reinforcing fiber material Fm before being hardened by the thermoplastic resin is the portion of the lower protrusion 12 of the lower fixing hardware 11 on the base 1 side of the nut 13 and the upper fixing hardware. It is wound around the portion of the upper protruding portion 16 of 15 on the side of the base 2 with respect to the nut 17 (may be expressed as being wound). In short, the bundle of the reinforcing fiber material Fm is wound in an annular shape between the lower protrusion 12 and the upper protrusion 16. In addition, it is wound tighter than in the state shown in FIG. 5 so as not to cause slack as much as possible.

In the present embodiment, the bundle of the reinforcing fiber material Fm is wound so as to make at least eight reciprocations (8 turns) between the lower protrusion 12 and the upper protrusion 16. This number is a numerical value obtained as a result of an experiment by the applicant. The experiment confirms the effects of the diameter of the pin, the number of turns of the fiber, and the length of the fiber on the tensile strength of the carbon fiber when the carbon fiber is wound around the pin (lower protrusion 12, upper protrusion 16). The purpose is to do that. As a result of the experiment, when eight bundles of the reinforcing fiber material Fm were wound, Pmax (maximum load at the time of breaking) exceeded the target yield strength of 30 kN.

Then, in the present embodiment, the bundle of the reinforcing fiber material Fm is wound between the lower protrusion 12 and the upper protrusion 16 and then hardened by the thermoplastic resin. When it is hardened with a thermoplastic resin, it is required to prevent the thermoplastic resin from becoming uneven.

[About the second seismic retrofitting device]
As shown in FIG. 6, the second seismic retrofitting device 20 in the present embodiment includes a lower fixed metal fitting 21 having a lower protruding portion 22, an upper fixed metal fitting 25 having an upper protruding portion 26, and a fiber material bundle for reinforcement. Fb and.

The lower fixed metal fitting 21 is a metal fitting having an iron plate fixed to the inner side surface of the foundation 1 (rising portion) as a main body portion (hereinafter referred to as a main body iron plate portion).
On the inner surface of the foundation 1, a plurality of bolts to be fixed (not shown) projecting from the inner surface of the foundation 1 to the indoor side (opposite to the outside) are provided in advance. That is, the bolts to be fixed are anchor bolts, and post-installed anchor bolts are adopted at the time of repair.
A plurality of through holes 21a through which a plurality of bolts to be fixed are passed are formed in the main body iron plate portion of the lower fixing hardware 21 at a position above the lower protruding portion 22.
When fixing the lower fixing hardware 21 to the inner surface of the foundation 1, the lower fixing hardware 21 is connected to the foundation 1 while passing a plurality of bolts to be fixed through the plurality of through holes 21a in the main body iron plate portion of the lower fixing hardware 21. After contacting the inner side surface of the bolt, the cap nut N is put on the tip of the plurality of bolts to be fixed in the protruding direction and screwed.
The lower fixed metal fitting 21 in the present embodiment is formed by cutting or bending a single iron plate.
Further, in the present embodiment, the fixed bolt and the cap nut N are used to fix the lower fixing hardware 21, but the present invention is not limited to this, and as described above, post-installed anchor bolts are used. Alternatively, other fixing means may be used. In short, as long as the lower fixing hardware 21 can be firmly fixed to the foundation 1, the fixing means thereof is not particularly limited.

At the lower end of the main body iron plate portion of the lower fixing hardware 21, a lower protruding portion 22 is integrally formed so as to project to the indoor side (in the direction opposite to the foundation 1) and to provide a lower portion of the reinforcing fiber material bundle Fb. ing.
The tip of the lower protruding portion 22 is bent downward in the protruding direction, and this bent portion prevents the reinforcing fiber material bundle Fb from coming off.
Further, the lower protruding portion 22 has a guide portion 22a that is bent upward from both side edges on the main body iron plate portion side with respect to the bent portion. These guide portions 22a are portions along which the reinforcing fiber material bundle Fb is aligned, and the ridges (corners) of the lower protruding portion 22 are in a state where they do not come into contact with the reinforcing fiber material bundle Fb. It is preferable to prevent breakage.
Further, the guide portions 22a on both side edges are in contact with the iron plate portion of the main body, and it is possible to prevent the lower protruding portion 22 from bending upward when tension is applied to the reinforcing fiber material bundle Fb. ing.

An adjuster holding portion 23 that protrudes indoor (in the direction opposite to the foundation 1) and holds the adjuster bolt 27, which will be described later, is integrally formed at the upper end portion of the main body iron plate portion of the lower fixing hardware 21.
A through hole through which the lower end of the adjuster bolt 27 is passed is formed in the central portion of the adjuster holding portion 23.
The adjuster holding portion 23 has a guide portion 23a bent downward from both side edges of the adjuster holding portion 23. These guide portions 23a are portions along which the reinforcing fiber material bundle Fb is aligned, and the ridges (corners) of the adjuster holding portion 23 are in a state where they do not come into contact with the reinforcing fiber material bundle Fb. It is preferable to prevent.
Further, the guide portions 23a on both side edges are in contact with the iron plate portion of the main body, so that the adjuster holding portion 23 can be prevented from bending downward when tension is applied to the reinforcing fiber material bundle Fb. There is.

The upper fixed metal fitting 25 is a metal fitting having a rectangular iron plate fixed straddling the base 2 and the pillar material 5 (splint 6) as a main body portion (hereinafter referred to as a main body iron plate portion).
A plurality of through holes 25a are formed in the main body iron plate portion of the upper fixed metal fitting 25 at a position above the upper protruding portion 26. A fixing bolt B for fixing the main body iron plate portion of the upper fixing hardware 25 to the indoor side surface of the splint 6 is passed through the plurality of through holes 25a. As the fixing bolt B in this embodiment, a screw bolt is used. That is, the fixing mode of the upper fixed metal fitting 25 is the same as the fixing mode of the upper fixed metal fitting 15 in the first seismic retrofitting device 10 described above.
The upper fixed metal fitting 25 in the present embodiment is formed by cutting or bending a single iron plate.

At the lower end of the main body iron plate portion of the upper fixed metal fitting 25, an upper protruding portion 26 is integrally formed so as to project in the same direction as the lower protruding portion 22 and to provide an upper portion of the reinforcing fiber material bundle Fb.
The tip of the upper protruding portion 26 is bent upward in the protruding direction, and this bent portion prevents the reinforcing fiber material bundle Fb from coming off.
Further, the upper protruding portion 26 has a guide portion 26a that is bent downward from both side edges on the main body iron plate portion side with respect to the bent portion. These guide portions 26a are portions along which the reinforcing fiber material bundle Fb is aligned, and the ridges (corners) of the upper protruding portion 26 are in a state where they do not come into contact with the reinforcing fiber material bundle Fb. It is preferable to prevent.

The reinforcing fiber material bundle Fb is wound around between the lower protruding portion 22 of the lower fixed metal fitting 21 and the upper protruding portion 26 of the upper fixed metal fitting 25.
More specifically, the bundle of the reinforcing fiber material Fm before being hardened by the thermoplastic resin is the portion of the lower protrusion 22 of the lower fixing hardware 21 on the foundation 1 side of the bent portion and the upper fixing hardware. Of the upper protruding portion 26 of 25, the portion 26 is wound around (wound) on the base 2 side of the bent portion. In short, the bundle of the reinforcing fiber material Fm is wound in the same manner as the bundle of the reinforcing fiber material Fm in the first seismic retrofitting device 10, and goes round and round between the lower protrusion 22 and the upper protrusion 26. It is wrapped in a ring. In addition, it is wrapped tightly so as not to cause slack as much as possible.

Then, in the present embodiment, the bundle of the reinforcing fiber material Fm is wound between the lower protruding portion 22 and the upper protruding portion 26, and then hardened by the thermoplastic resin. When it is hardened with a thermoplastic resin, it is required to prevent the thermoplastic resin from becoming uneven.

The adjuster bolt 27 functions as a tension applying means for pulling the reinforcing fiber material bundle Fb in the length direction (vertical direction) to apply tension.
In the present embodiment, the timing of applying tension to the reinforcing fiber material bundle Fb by the adjuster bolt 27 is set to be after the thermoplastic resin is cured. However, the present invention is not limited to this, and may be just before the curing of the thermoplastic resin, or tension may be applied to the bundle of the reinforcing fiber material Fm before impregnation with the thermoplastic resin.

At the upper end of the adjuster bolt 27, a contact portion 27a in contact with the upper protruding portion 26 of the upper fixing hardware 25 is provided. The contact portion 27a has a truncated cone shape in which the diameter gradually increases toward the lower surface of the upper protruding portion 26, and is set so as to contact the lower surface of the upper protruding portion 26 in as wide an area as possible.
Further, the contact portion 27a is housed between both guide portions 26a in the upper protruding portion 26, and is joined and fixed to the lower surface of the upper protruding portion 26, for example, by welding or the like, if necessary.

The lower end portion of the adjuster bolt 27 is passed through a through hole of the adjuster holding portion 23 in the lower fixing hardware 21, and an adjusting nut 27b is provided at the central portion in the length direction of the adjuster bolt 27.
By rotating the adjusting nut 27b to one side, the adjuster bolt 27 moves upward, and the upper protruding portion 26 of the upper fixing hardware 25 can be pushed up slightly. As a result, tension can be applied to the reinforcing fiber material bundle Fb, and the integrity of the foundation 1 and the pillar material 5 can be enhanced.

[About the third seismic retrofitting device]
As shown in FIG. 7, the third seismic retrofitting device 30 in the present embodiment includes a lower fixed metal fitting 31 having a lower protruding portion 32, an upper fixed metal fitting 35 having an upper protruding portion 36, and a fiber material bundle for reinforcement. Fb and.

The lower fixed metal fitting 31 is a metal fitting having an iron plate fixed to the inner side surface of the foundation 1 (rising portion) as a main body portion (hereinafter referred to as a main body iron plate portion).
On the inner surface of the foundation 1, a plurality of bolts to be fixed (not shown) projecting from the inner surface of the foundation 1 to the indoor side (opposite to the outside) are provided in advance. A plurality of through holes 31a through which a plurality of bolts to be fixed are passed are formed in the main body iron plate portion of the lower fixing hardware 31 at a position below the lower protruding portion 32.
When the lower fixing hardware 31 is fixed to the inner surface of the foundation 1, the cap nut N is used in the same manner as in the lower fixing hardware 21 in the second seismic retrofitting device 20 described above.
The lower fixed metal fitting 31 in the present embodiment is formed by cutting or bending a single iron plate. The lower protrusion 32 may be welded to the main body iron plate portion.
Further, in the present embodiment, the fixed bolt and the cap nut N are used to fix the lower fixing hardware 31, but the present invention is not limited to this, and post-installed anchor bolts may be used, or Other fixing means may be used. In short, as long as the lower fixing hardware 31 can be firmly fixed to the foundation 1, the fixing means thereof is not particularly limited.

At the upper end of the main body iron plate portion of the lower fixing hardware 31, a lower protruding portion 32 is integrally formed so as to project to the indoor side (in the direction opposite to the foundation 1) and to provide a lower portion of the reinforcing fiber material bundle Fb. ing. The lower protruding portion 32 includes a box-shaped holding portion 32a, a screw portion 32b passed through a through hole formed in the holding portion 32a, and a nut portion 32c provided at the lower end portion of the screw portion 32b. And.
The holding portion 32a has a horizontal plate portion in which the above-mentioned through hole through which the screw portion 32b is passed is formed, a wall on the foundation 1 side of the horizontal plate portion, and walls located on both sides thereof. , Opened indoors and downwards to form a box. The holding portion 32a is preferable because it is formed in a box shape in this way and has higher rigidity than, for example, a case where the holding portion 32a is composed of only a horizontal plate portion.
The screw portion 32b is composed of a cylindrical set screw having a through hole formed along the central axis. The lower end of the reinforcing fiber material bundle Fb is passed through the through hole of the threaded portion 32b.
The nut portion 32c is provided by being screwed into the lower end portion of the screw portion 32b in a state of being in contact with the lower surface of the horizontal plate portion of the holding portion 32a.

The upper fixed metal fitting 35 is a metal fitting having a rectangular iron plate fixed straddling the base 2 and the pillar material 5 (splint 6) as a main body portion (hereinafter referred to as a main body iron plate portion).
A plurality of through holes 35a are formed in the main body iron plate portion of the upper fixed metal fitting 35 at a position above the upper protruding portion 36. A fixing bolt B for fixing the main body iron plate portion of the upper fixing hardware 35 to the indoor side surface of the splint 6 is passed through the plurality of through holes 35a. As the fixing bolt B in this embodiment, a screw bolt is used. That is, the fixing mode of the upper fixed metal fitting 35 is the same as the fixing mode of the upper fixed metal fitting 15 in the first seismic retrofitting device 10 described above.
The upper fixed metal fitting 35 in the present embodiment is formed by cutting or bending a single iron plate. The upper protruding portion 36 may be welded to the main body iron plate portion.

At the lower end of the main body iron plate portion of the upper fixed metal fitting 35, an upper protruding portion 36 is integrally formed so as to project in the same direction as the lower protruding portion 32 and to provide an upper portion of the reinforcing fiber material bundle Fb. The upper protruding portion 36 includes a box-shaped holding portion 36a, a screw portion 36b passed through a through hole formed in the holding portion 36a, and a nut portion 36c provided at the upper end portion of the screw portion 36b. , Equipped with. That is, the upper protruding portion 36 is configured symmetrically with the lower protruding portion 32 in the lower fixed hardware 31.
The holding portion 36a has a horizontal plate portion in which the above-mentioned through hole through which the screw portion 36b is passed is formed, a wall on the foundation 1 side of the horizontal plate portion, and walls located on both sides thereof. , Opened indoors and upwards to form a box.
The screw portion 36b is composed of a cylindrical set screw having a through hole formed along the central axis. The upper end of the reinforcing fiber material bundle Fb is passed through the through hole of the threaded portion 36b.
The nut portion 36c is provided by being screwed into the upper end portion of the screw portion 36b in a state of being in contact with the upper surface of the horizontal plate portion of the holding portion 36a.

The lower end of the reinforcing fiber material bundle Fb is held by the holding portion 32a in the lower protruding portion 32 of the lower fixing hardware 31, and the upper end is held by the holding portion 36a in the upper protruding portion 36 of the upper fixed hardware 35. Has been done.
More specifically, the retaining fibers 33 and 37 are provided at the lower end and the upper end of the reinforcing fiber material bundle Fb, respectively. The retaining portions 33 and 37 in the present embodiment are configured to grip and hold the ends of the reinforcing fiber material bundle Fb, and are set to have a diameter larger than the diameter of the through holes of the screw portions 32b and 36b. There is.
The lower end portion of the reinforcing fiber material bundle Fb above the retaining portion 33 is held by the holding portion 32a of the lower protruding portion 32. That is, the lower end portion of the reinforcing fiber material bundle Fb is passed through the through hole of the threaded portion 32b and then gripped and held by the retaining portion 33. Further, the screw portion 32b is kept in a state of being passed through the through hole formed in the horizontal plate portion of the holding portion 32a and passed through the through hole of the holding portion 32a by the nut portion 32c.
On the other hand, in the upper end portion of the reinforcing fiber material bundle Fb, a portion below the retaining portion 37 is held by the holding portion 36a of the upper protruding portion 36. That is, the upper end portion of the reinforcing fiber material bundle Fb is passed through the through hole of the threaded portion 36b and then gripped and held by the retaining portion 37. Further, the screw portion 36b is kept in a state of being passed through the through hole formed in the horizontal plate portion of the holding portion 36a and passed through the through hole of the holding portion 36a by the nut portion 36c.

Then, in the present embodiment, the bundle of the reinforcing fiber material Fm is bridged between the lower protruding portion 32 and the upper protruding portion 36, and then is solidified by the thermoplastic resin. When it is hardened with a thermoplastic resin, it is required to prevent the thermoplastic resin from becoming uneven.

The threaded portions 32b, 36b and the nut portions 32c, 36c in the lower protruding portion 32 and the upper protruding portion 36 are for pulling the reinforcing fiber material bundle Fb in the length direction (vertical direction) to apply tension. Functions as a means for applying tension.
That is, by rotating the nut portion 32c to one side, the screw portion 32b moves downward with respect to the holding portion 32a, and by rotating the nut portion 32c to the other side, the screw portion 32b moves upward with respect to the holding portion 32a. Further, by rotating the nut portion 36c to one side, the screw portion 36b moves downward with respect to the holding portion 36a, and by rotating the nut portion 36c to the other side, the screw portion 36b moves upward with respect to the holding portion 36a.
As described above, the retaining portions 33 and 37 provided at the lower end and the upper end of the reinforcing fiber material bundle Fb are set to have a larger diameter than the through holes of the screw portions 32b and 36b. Therefore, by rotating the nut portions 32c and 36c to one or the other to move the screw portions 32b and 36b in the vertical direction, the reinforcing fiber material bundle Fb is pulled in the length direction (vertical direction) to apply tension. Or, on the contrary, the tension can be relaxed. As a result, if tension is applied to the reinforcing fiber material bundle Fb, the integrity between the foundation 1 and the column member 5 can be enhanced.
In the present embodiment, the timing of applying tension to the reinforcing fiber material bundle Fb by the tension applying means is set to be after the thermoplastic resin is cured. However, the present invention is not limited to this, and may be just before the curing of the thermoplastic resin, or tension may be applied to the bundle of the reinforcing fiber material Fm before the addition of the thermoplastic resin.

As described above, the retaining portions 33 and 37 in the present embodiment are provided at the lower end portion and the upper end portion of the reinforcing fiber material bundle Fb as one member, but the present invention is not limited to this. The knot formed by connecting the lower end portion and the upper end portion of the reinforcing fiber material bundle Fb may function as the retaining portions 33 and 37.
Further, in order to prevent the reinforcing fiber material bundle Fb from coming off from the through holes of the screw portions 32b and 36b, the retaining portions 33 and 37 are surely and firmly provided in a factory or the like. That is, the bundle of the reinforcing fiber material Fm before being impregnated with the thermoplastic resin is factory-produced so as to be in a state where the screw portions 32b and 36b and the retaining portions 33 and 37 are provided (so-called nunchaku type). ..

[About the 4th seismic retrofitting device]
As shown in FIG. 8, the fourth seismic retrofitting device 40 in the present embodiment includes a lower fixed metal fitting 41 having a lower protruding portion 42, an upper fixed metal fitting 45 having an upper protruding portion 46, and a fiber material bundle for reinforcement. Fb and.

The lower fixed metal fitting 41 is a metal fitting having an iron plate fixed to the inner side surface of the foundation 1 (rising portion) as a main body portion (hereinafter referred to as a main body iron plate portion).
On the inner surface of the foundation 1, a plurality of bolts to be fixed (not shown) projecting from the inner surface of the foundation 1 to the indoor side (opposite to the outside) are provided in advance. A plurality of through holes 41a through which a plurality of bolts to be fixed are passed are formed in the main body iron plate portion of the lower fixing hardware 41 at a position below the lower protruding portion 42.
When the lower fixing hardware 41 is fixed to the inner surface of the foundation 1, the cap nut N is used in the same manner as in the lower fixing hardware 21 in the second seismic retrofitting device 20 described above.
The lower fixed metal fitting 41 in the present embodiment is formed by cutting or bending a single iron plate. The lower protruding portion 42 may be welded to the main body iron plate portion. That is, the lower fixing hardware 42 may be formed by welding a plurality of iron plates.
Further, in the present embodiment, the fixed bolt and the cap nut N are used to fix the lower fixing hardware 41, but the present invention is not limited to this, and post-installed anchor bolts may be used, or Other fixing means may be used. In short, as long as the lower fixing hardware 41 can be firmly fixed to the foundation 1, the fixing means thereof is not particularly limited.

At the upper end of the main body iron plate portion of the lower fixing hardware 41, a lower protruding portion 42 is integrally formed so as to project to the indoor side (in the direction opposite to the foundation 1) and to provide a lower portion of the reinforcing fiber material bundle Fb. ing. The lower protruding portion 42 includes a pulley 42a around which the lower end portion of the reinforcing fiber material bundle Fb is wound, and a shaft holding portion 42b for holding the rotating shaft portion of the pulley 42a.
The pulley 42a has a rotary shaft portion and flanges provided at both ends of the rotary shaft portion in the length direction. The pulley 42a can be rotated by a rotation jig (not shown) for rotating the rotation shaft portion.
The shaft holding portion 42b is a plate-shaped portion protruding indoor from both side edges of the upper end portion of the main body iron plate portion of the lower fixed hardware 41, and both shaft holding portions 42b have a rotating shaft portion of the pulley 42a. A through hole is formed through which the iron is passed and held.
Although not shown, the rotation of the pulley 42a can be stopped by inserting a rotation stop pin between at least one of the shaft holding portions 42b and the pulley 42a.
Further, although the pulley 42a has a rotating shaft portion and a flange, the flange may be omitted.

The upper fixed metal fitting 45 is a metal fitting having a rectangular iron plate fixed straddling the base 2 and the pillar material 5 (splint 6) as a main body portion (hereinafter referred to as a main body iron plate portion).
A plurality of through holes 45a are formed in the main body iron plate portion of the upper fixed metal fitting 45 at a position above the upper protruding portion 46. A fixing bolt B for fixing the main body iron plate portion of the upper fixing hardware 45 to the indoor side surface of the splint 6 is passed through the plurality of through holes 45a. As the fixing bolt B in this embodiment, a screw bolt is used. That is, the fixing mode of the upper fixed metal fitting 45 is the same as the fixing mode of the upper fixed metal fitting 15 in the first seismic retrofitting device 10 described above.
The upper fixed metal fitting 45 in the present embodiment is formed by cutting or bending a single iron plate. The upper protruding portion 46 may be welded to the main body iron plate portion. That is, the upper fixed metal fitting 45 may be formed by welding a plurality of iron plates.

At the lower end of the main body iron plate portion of the upper fixed metal fitting 45, an upper protruding portion 46 is integrally formed so as to project in the same direction as the lower protruding portion 42 and to provide an upper portion of the reinforcing fiber material bundle Fb. The upper protruding portion 46 includes a pulley 46a around which the upper end portion of the reinforcing fiber material bundle Fb is wound, and a shaft holding portion 46b for holding the rotating shaft portion of the pulley 46a.
The configuration of the pulley 46a and the shaft holding portion 46b in the upper protruding portion 46 is the same as the configuration of the pulley 42a and the shaft holding portion 42b in the lower protruding portion 42.

As shown in FIGS. 8 and 9, the lower end of the reinforcing fiber material bundle Fb is wound around the lower protrusion 42 of the lower fixing hardware 41 and held, and the upper end is the upper side of the upper fixing hardware 45. It is wound around the protrusion 46 and held.
More specifically, the lower end of the reinforcing fiber material bundle Fb is wound around the pulley 42a in the lower protrusion 42. Further, the upper end portion of the reinforcing fiber material bundle Fb is wound around the pulley 46a in the upper protruding portion 46. Then, the rotation of the pulleys 42a and 46a can be stopped by a rotation stop pin (not shown). Therefore, the lower end portion of the reinforcing fiber material bundle Fb can be maintained in a state of being wound around the pulley 42a in the lower protruding portion 42, and the upper end portion of the reinforcing fiber material bundle Fb is the pulley in the upper protruding portion 46. The state of being wrapped around 46a can be maintained.

Then, in the present embodiment, the bundle of the reinforcing fiber material Fm is bridged between the lower protruding portion 32 and the upper protruding portion 36, and then is solidified by the thermoplastic resin. When it is hardened with a thermoplastic resin, it is required to prevent the thermoplastic resin from becoming uneven.

The pulleys 42a and 46a in the lower protrusion 42 and the upper protrusion 46 function as tension applying means for pulling the reinforcing fiber material bundle Fb in the length direction (vertical direction) to apply tension.
That is, the lower end of the reinforcing fiber material bundle Fb is wound around the pulley 42a in the lower protruding portion 42, and the upper end of the reinforcing fiber material bundle Fb is wound around the pulley 46a in the upper protruding portion 46. By rotating either one of the pulleys 42a (46a) with a rotating jig, tension can be applied to the reinforcing fiber material bundle Fb. At this time, the other pulley 46a (42a) is in a state of not rotating due to the rotation stop pin.
Then, after the one pulley 42a (46a) is rotated by the rotation jig to apply tension, the one pulley 42a (46a) is also prevented from rotating by the rotation stop pin, so that the reinforcing fiber is not rotated. It is possible to maintain a state in which tension is applied to the material bundle Fb.
Further, by removing the rotation stop pin and rotating the fiber after the fiber is hardened, it is possible to bear only the tensile force without bearing the bending moment on the reinforcing fiber material bundle Fb in the event of an earthquake. As a result, the tensile strength of the reinforcing fiber material bundle Fb can be maximized.
In the present embodiment, the timing of applying tension to the reinforcing fiber material bundle Fb by the tension applying means is set before the bundle of the reinforcing fiber material Fm is impregnated with the thermoplastic resin.

The first seismic retrofitting device 10, the second seismic retrofitting device 20, the third seismic retrofitting device 30, and the fourth seismic retrofitting device 40 described above may be used together as described above, and may be adopted for each type of building. May be done. When adopting for each type of building, whether or not to apply tension to the reinforcing fiber material bundle Fb, and if tension is applied, the timing is before or after curing the thermoplastic resin, and when it is adopted for the building. It is preferable to consider how much the cost will be in the building and select the type of seismic retrofitting device to be used in the building.
Further, it is also possible to combine the upper end portion or the lower end portion with the third seismic retrofitting device 30 and the other end portion with the fourth seismic retrofitting device 40. In this case, the timing of applying tension to the reinforcing fiber material bundle Fb is set after the bundle of the reinforcing fiber material Fm is impregnated with the thermoplastic resin.

Further, the wooden building in the present embodiment is constructed by the conventional frame construction method, but is not limited to this, and may be constructed by a wall construction method, a two-by-four construction method, or the like. In either construction method, the foundation 1 is used, and a superstructure portion constituting the building frame is provided on the foundation 1. Strictly speaking, the structure of the superstructure portion is different in each construction method, but in any construction method, a material long in the vertical direction corresponding to the pillar material 5 in the present embodiment is used. Therefore, the first seismic retrofitting device 10, the second seismic retrofitting device 20, the third seismic retrofitting device 30, and the fourth seismic retrofitting device 40 described above are appropriately adopted regardless of the construction method. It is possible.

Further, in the present embodiment, the first seismic retrofitting device 10, the second seismic retrofitting device 20, the third seismic retrofitting device 30, and the fourth seismic retrofitting device 40 are fixed to the foundation 1 and the pillar material 5 (attachment 6). In some cases, it is fixed to the indoor side surface, but it may be fixed to the outdoor side surface.

According to the present embodiment, the reinforcing fiber material bundle Fb is provided between the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 45, and the lower fixed hardware 11 to 41 and the upper fixed hardware 15 to 15 are provided. The lower portion of the reinforcing fiber material bundle Fb, which is connected to the 45, is provided on the lower protruding portions 12 to 42 protruding laterally in the lower fixed hardware 11 to 41, and is provided with the reinforcing fiber material bundle. Since the upper portion is provided on the upper protrusions 16 to 46 protruding in the same direction as the lower protrusions 12 to 42 on the upper fixed hardware 15 to 45, the reinforcing fiber material bundle Fb is used as the foundation 1 and the base 2. It is not necessary to adhere to any of the pillar members 5. In other words, even if there is a step between the foundation 1 and the pillar 5, for example, the foundation 1 and the pillar 5 can be integrated by the reinforcing fiber material bundle Fb. Therefore, regardless of the presence or absence of a step, the foundation 1 of the building and the pillar material 5 can be integrated to perform seismic retrofitting, which is excellent in flexibility and flexibility when adopted in a building.
Further, since the reinforcing fiber material bundle Fb does not need to be in close contact with any of the foundation 1, the base 2, and the pillar material 5, it does not need to be formed in a band shape and can be used as a bundle. As a result, seismic retrofitting can be performed at low cost.

Further, in the reinforcing fiber material bundle Fb, each of the reinforcing fiber materials Fm made of carbon fiber is lightweight and has high strength, and by bundling them, it has sufficient strength as a seismic reinforcing material. By solidifying the bundle of the reinforcing fiber material Fm with the thermoplastic resin, the foundation 1 and the pillar 5 of the building can be firmly integrated without unnecessarily expanding and contracting or unraveling.

Further, since the reinforcing fiber material bundle Fb is wound around between the lower protrusions 12 and 22 of the lower fixing hardware 11 and 21 and the upper protrusions 16 and 26 of the upper fixing hardware 15 and 25. With a simple structure, the lower fixed hardware 11 and 21 and the upper fixed hardware 15, 25 can be securely connected by the reinforcing fiber material bundle Fb. As a result, seismic retrofitting can be performed at low cost, and construction related to seismic retrofitting can be easily performed.

Further, in the reinforcing fiber material bundle Fb, the portion of the lower end portion above the retaining portion 33 is held by the holding portion 32a of the lower protruding portion 32, and the portion of the upper end portion below the retaining portion 37 is held. Since the portion is held by the holding portion 36a of the upper protruding portion 36, the reinforcing fiber material bundle Fb is held so as not to come off from the holding portion 32a of the lower protruding portion 32 or the holding portion 36a of the upper protruding portion 36. At the same time, the length of the reinforcing fiber material bundle Fb can be suppressed as much as possible. As a result, the lower fixed metal fitting 31 and the upper fixed metal fitting 35 can be securely connected by the reinforcing fiber material bundle Fb, and seismic reinforcement can be performed at low cost.

Further, the lower end portion of the reinforcing fiber material bundle Fb is wound around the lower protruding portion 42 of the lower fixed metal fitting 41 and held, and the upper end portion is wound around the upper protruding portion 46 of the upper fixed metal fitting 45 and held. Therefore, it is possible to securely connect the lower fixed metal fitting 41 and the upper fixed metal fitting 45 by the reinforcing fiber material bundle Fb while having a simple structure and suppressing the length of the reinforcing fiber material bundle Fb as much as possible. can. As a result, seismic retrofitting can be performed at low cost, and construction related to seismic retrofitting can be easily performed.

Further, since a tension applying means for pulling the reinforcing fiber material bundle Fb in the length direction to apply tension is further provided, the foundation 1 and the pillar material are provided by applying tension to the reinforcing fiber material bundle Fb by the tension applying means. The unity with 5 can be enhanced, and seismic reinforcement can be performed more firmly.

Further, even if there is a structural restriction that makes it difficult to fix the upper fixing hardware 15 to 45 to the pillar material 5, for example, due to interference between the pillar material 5 and other members, the pillar material 5 may have a structural restriction. At the lower end portion, the indoor side surface is flush with the side surface of the pillar material 5, and a dimension adjusting material (attachment 6) for lengthening the width dimension at the lower end portion of the pillar material 5 is integrally fixed. Since the upper fixing hardwares 15 to 45 are fixed straddling the base 2 and the dimension adjusting material integrally fixed to the lower end of the pillar 5, the upper side is not hindered by structural restrictions. The fixed hardware 15 to 45 can be fixed to the pillar material 5, and the seismic reinforcing devices 10 to 40 can be securely and firmly attached to the frame of the building.

[Reference example]
A reference example will be described below. In the following reference examples, the elements common to the above embodiments are designated by a common reference numeral, and the description thereof will be omitted or abbreviated. The reference examples listed below may be combined with the above embodiments as much as possible.

In the above embodiment, the reinforcing fiber material bundle Fb is simply a bundle of a large number of reinforcing fiber materials Fm as shown in FIG. 3A, but in this reference example, it is assumed that the bundle is simply a bundle. As the reinforcing fiber material bundle, other forms are adopted.
That is, as shown in FIG. 3B, after weaving the reinforcing fiber material Fm, it may be simply bundled, or it may be a rope or the like with a special twist. It may be made into a string while being woven.

For example, a bond band made of a reinforcing fiber material as in Patent Document 1 needs to be in close contact with both the foundation and the superstructure in order to integrate the foundation and the superstructure, for example, with the foundation. When a step is formed between the superstructure and the superstructure, it may be difficult to adopt a bonding band made of a reinforcing fiber material.
On the other hand, if the reinforcing fiber material bundle in this reference example is used, it is not necessary to bring the bonding band made of the reinforcing fiber material as in Patent Document 1 into close contact with either the foundation or the superstructure portion. Excellent flexibility and flexibility when used in buildings.

1 Foundation 2 Base 5 Pillar 6 Attached wood 6a Notch 10 First seismic retrofitting device 11 Lower fixed hardware 12 Lower protruding part 15 Upper fixed hardware 16 Upper protruding part 20 Second seismic retrofitting device 21 Lower fixed hardware 22 Lower side Protruding part 23 Adjuster holding part 25 Upper fixed hardware 26 Upper protruding part 27 Adjuster bolt 30 Third seismic retrofitting device 31 Lower fixing hardware 32 Lower protruding part 32a Holding part 32b Threaded part 32c Nut part 33 Retaining part 35 Upper fixed hardware 36 Upper protruding part 36a Holding part 36b Threaded part 36c Nut part 37 Retaining part 40 Fourth seismic retrofitting device 41 Lower fixing hardware 42 Lower protruding part 42a Pulley 45 Upper fixing hardware 46 Upper protruding part 46a Pulley Fb Reinforcing fiber material bundle

Claims (7)

It is a seismic retrofitting device that integrates the foundation and the superstructure portion provided on the foundation.
The lower fixed hardware fixed to the side surface of the foundation,
The upper fixed hardware fixed to the superstructure and
It is provided with a reinforcing fiber material bundle provided between the lower fixed metal fitting and the upper fixed metal fitting to connect the lower fixed metal fitting and the upper fixed metal fitting.
The lower fixing hardware has a lower protruding portion that projects laterally and is provided with a lower portion of the reinforcing fiber material bundle.
The upper fixing hardware is a seismic retrofitting device characterized by having an upper protruding portion that protrudes in the same direction as the lower protruding portion and is provided with an upper portion of the reinforcing fiber material bundle. In the seismic retrofitting device according to claim 1,
The reinforcing fiber material bundle is a seismic retrofitting device characterized in that a bundle of reinforcing fiber materials made of carbon fiber is hardened with a thermoplastic resin. In the seismic retrofitting device according to claim 1 or 2.
The seismic retrofitting device is characterized in that the reinforcing fiber material bundle is wound around between the lower protruding portion of the lower fixed metal fitting and the upper protruding portion of the upper fixed metal fitting. In the seismic retrofitting device according to claim 1 or 2.
The lower protruding portion has a holding portion for holding the lower end portion of the reinforcing fiber material bundle.
The upper protrusion has a holding portion that holds the upper end portion of the reinforcing fiber material bundle.
A retaining portion is provided at the lower end and the upper end of the reinforcing fiber material bundle.
In the reinforcing fiber material bundle, the lower end portion above the retaining portion is held by the holding portion of the lower protruding portion, and the upper end portion below the retaining portion is held. , A seismic retrofitting device characterized by being held by the holding portion of the upper protruding portion. In the seismic retrofitting device according to claim 1 or 2.
The lower end of the reinforcing fiber material bundle is wound and held around the lower protruding portion of the lower fixed metal fitting, and the upper end portion is wound and held around the upper protruding portion of the upper fixed metal fitting. Seismic retrofitting device characterized by being In the seismic retrofitting device according to any one of claims 1 to 5.
A seismic retrofitting device further comprising a tension applying means for pulling the reinforcing fiber material bundle in the length direction to apply tension. The seismic retrofitting device according to any one of claims 1 to 6 is a mounting structure of a seismic retrofitting device mounted on a building frame including the foundation and the superstructure portion.
The superstructure portion includes a base provided on the foundation and a pillar material provided on the base.
A dimension adjusting material whose side surface is flush with the side surface of the pillar material and which lengthens the width dimension at the lower end portion of the pillar material is integrally fixed to the lower end portion of the pillar material.
The lower fixing hardware is fixed to the side surface of the foundation, and is fixed to the side surface of the foundation.
The upper fixing hardware is a mounting structure for a seismic retrofitting device, characterized in that the upper fixing hardware is fixed straddling the base and the dimension adjusting material integrally fixed to the lower end portion of the pillar material.

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