JP6134500B2 - Seismic structure and earthquake-resistant house incorporating this seismic structure - Google Patents

Description

  The present invention relates to an earthquake-resistant structure that reinforces a wall in order to improve the earthquake resistance of a newly built house or an already completed house, and an earthquake-resistant house incorporating the earthquake-resistant structure.

  2. Description of the Related Art Conventionally, for example, there is an earthquake-resistant structure that reinforces a wall in order to improve earthquake resistance of a house that has already been completed by a frame construction method (see Patent Document 1).

  As shown in FIGS. 12 (a) and 12 (b), this seismic structure is composed of two adjacent columns 4 and 5, a lower horizontal beam 6 and an upper horizontal beam 7, and an inner side is an empty space. The step of obtaining the rectangular frame 10 is included. In addition, the rectangular reinforcing wall 20 is fitted into the rectangular frame 10 so as to be placed on the lower horizontal beam 6 and sandwiched between the two columns 4 and 5, and the reinforcing wall 20 is attached to the rectangular frame 10. A fixing step is included.

  A plurality of square bars 13 are provided on the lower horizontal beam 6 between the pillars 4 and 5 on both sides in parallel with the pillars 4 and 5, and the square bars 13-1 other than the central portion made of one or two or more square bars are provided. ˜13-4, 13-6 to 13-9 are sequentially attached to the pillar side with the coach bolt 14.

  Thereafter, the square member 13-5 in the central part is sandwiched between the square members 13-4 and 13-6 on both sides via through bolts 15 provided on the square members 13-4 and 13-6 on both sides sandwiching the central part. The reinforcement wall 20 is fitted and fixed.

  Such an earthquake-resistant structure is such that the reinforcing wall 20 is placed on the lower horizontal beam 6 inside the rectangular frame 10 composed of two standing columns 4 and 5, the lower horizontal beam 6 and the upper horizontal beam 7. And is fitted and fixed in a state sandwiched between two pillars 4 and 5. Accordingly, at least three sides of the rectangular frame 10 are supported by the three sides of the reinforcing wall 20, and deformation of the rectangular frame 10 can be suppressed. Therefore, an earthquake-resistant structure can be incorporated relatively easily into an existing or newly built house.

  Further, by attaching a plurality of square members 13-1 to 13-9 (9 in this example) one by one between the two pillars 4 and 5, the rectangular frame 10 is placed inside the rectangular frame 10. It is possible to incorporate a reinforcing wall 20 that suppresses deformation. Therefore, it becomes possible to easily attach between the columns 4 and 5 which are distorted due to aging.

JP 2010-121398 A

  However, in Patent Document 1, at a construction site of a house, a plurality of square members 13-1 to 13-4 and 13-6 to 13-9 are sequentially arranged with two coach bolts 14 between two pillars 4 and 5. Installation work is necessary. Thereafter, it is necessary to sandwich the square member 13-5 at the center with the through bolts 15 of the square members 13-4 and 13-6 on both sides.

  Therefore, there has been a problem that the number of work processes at the construction site increases, the construction time increases, and the construction cost increases.

  The present invention was made in order to solve the above-mentioned problem. The work process at the construction site is reduced, the construction time can be shortened, and the construction cost is reduced, and the seismic structure is incorporated. The purpose is to provide earthquake-resistant houses.

In order to solve the above-described problems, the present invention provides an earthquake-resistant structure that reinforces a wall in order to improve earthquake resistance of a house, and includes adjacent left and right columns and upper beams positioned between the left and right columns. A rectangular frame formed of a member and a lower beam member, in which a rectangular space is formed; a rectangular reinforcing wall that is fitted into the space inside the rectangular frame and is divided into at least left and right; and Each divided reinforcing wall is configured as a unit in which a plurality of square bars are temporarily connected with a fixing tool in advance, and among the divided reinforcing walls, a fixing tool that fixes the left divided reinforcing wall to the left pillar, A fixture for fixing the divided reinforcing wall to the right column, a fixture for fixing the left and right divided reinforcing walls, and a receiving beam fixed to each of the upper beam member and the lower beam member. The upper and lower ends of each divided reinforcing wall are fixed to the upper beam member. A receiving beam which is fixed to the lower beam member and the beam, there is provided a seismic structure, characterized in that it is fixed in each fixture.

  According to the present invention, at least a quadrangular reinforcing wall divided into left and right is fitted into a quadrangular frame formed by left and right columns and upper and lower beam members. Each divided reinforcing wall is configured as a unit in which a plurality of square bars are temporarily connected with a fixture. Then, the left divided reinforcing wall composed of a plurality of square members is fixed to the left column at once with a fixture, and the right divided reinforcing wall composed of a plurality of square members is fixed to the right column with a fixture. Fix them together and fix the left and right split reinforcement walls together with a fixture.

  In this way, the divided reinforcing wall divided into at least two parts on the left and right is configured as a unit in which a plurality of square members are temporarily connected with a fixture in advance. Each of the divided reinforcing walls can be attached between two pillars at a time at the construction site. Therefore, the work process at the construction site is reduced, the construction time for earthquake resistance can be shortened, and the construction cost is reduced. Since timber can be thinned, the material cost is reduced.

  In the earthquake-resistant structure of the present invention, in a newly built house, a rectangular frame is formed when the left and right columns and the upper and lower beam members are framed. In an already completed house, the existing wall material is removed. A rectangular frame is formed, and a reinforcing wall is fitted into the rectangular frame.

In particular, the dimensions of the rectangular frame between the beam on the first floor and the base, or between the beam on the second floor and the beam on the first floor, are constructed according to standards in the house during the new construction. It is possible to directly fit a reinforcing wall manufactured at a lumber mill or the like in accordance with the standard without any gaps within the rectangular frame, and the seismic performance can be improved strongly.
In addition, according to the above configuration, since the upper end and the lower end of each divided reinforcing wall are fixed to the receiving beam fixed to the upper beam member and the receiving beam fixed to the lower beam member respectively by the fixing tool, Since the four side surfaces of the reinforcing wall are fixed to the quadrangular frame, the strength of each divided reinforcing wall is improved.

  The reinforcing wall is divided into three parts between the left and right pillars. Among the three divided reinforcing walls, a fixing member for fixing the left divided reinforcing wall to the left pillar, and the right divided reinforcing wall to the right pillar. It can be set as the structure provided with the fixing tool to fix, and the fixing tool which fixes an intermediate | middle division | segmentation reinforcement wall to the left division | segmentation reinforcement wall and the right division | segmentation reinforcement wall respectively.

  According to this configuration, even when the reinforcing wall is divided into three parts between the left and right pillars, the left divided reinforcing wall of the three divided reinforcing walls is fixed to the left pillar all together with the fixing tool, and the right Fix the split reinforcement wall to the right column with a fixture. Finally, the intermediate divided reinforcing wall is fixed to the left divided reinforcing wall and the right divided reinforcing wall together with a fixing tool.

  Thus, even if the divided reinforcing wall is divided into three parts on the left and right sides, each divided reinforcing wall is composed of two pillars at a time since it is configured as a unit in which a plurality of square members are temporarily connected with a fixture. Can be installed during. Therefore, the work process at the construction site is reduced, the construction time for earthquake resistance can be shortened, and the construction cost is reduced.

  Each of the three divided reinforcing walls of the three units is temporarily connected to the left divided reinforcing wall with the drift pin by using a combination of a drift pin and a coach bolt press-fitted into the front hole of the square member as the fixture. In this state, the coach bolt is screwed into the left column to be fixed to the left column, and the right divided reinforcing wall is temporarily connected with the drift pin, and the coach bolt is screwed into the right column. The middle split reinforcement wall is fixed to the right pillar and the intermediate split reinforcement wall is temporarily connected with the drift pin, and the coach bolts are screwed into the left and right split reinforcement walls, respectively. It can be set as the structure fixed.

  According to this configuration, since it can be temporarily connected and fixed with a low-cost drift pin and a coach bolt that are widely used, the cost of the fixing tool for connection and fixing is low, and temporary connection and fixing with these fixing tools is also possible. Can be done easily and quickly with general-purpose tools.

  A groove for screwing the head of the coach bolt from the front side or the back side may be formed in the intermediate divided reinforcing wall.

  According to this configuration, by forming the groove in the intermediate divided reinforcing wall, the head of the coach bolt can be screwed into the left and right divided reinforcing walls from the front side or the back side.

  It can be set as the structure where the dowel is driven between the butt | matching edge parts of each said division | segmentation reinforcement wall.

  According to this configuration, it is possible to suppress the displacement of each divided reinforcing wall by driving a dowel between the end portions of each divided reinforcing wall.

  It can be set as the structure of an earthquake-resistant house in which any of the said earthquake-resistant structures was built.

  According to this configuration, even in a newly built house or an already completed house, the earthquake resistance can be improved at a low cost in a short period of time.

  According to the present invention, the work process at the construction site is reduced, the construction time for earthquake resistance can be shortened, and the construction cost is reduced.

It is the front view which looked at the earthquake-resistant structure based on this invention from the room inner side. (A) is side sectional drawing using the seismic structure as a partition wall, (b) is side sectional drawing using the seismic structure as an outer wall. (A) is a plane sectional view of Drawing 1, (b) is a principal part front view of an upper beam member, (c) is a side sectional view of (b). (A) is a principal part front view of a lower beam member, (b) is side sectional drawing of (a), (c) is a principal part perspective view of floor assembly. (A) is a front view of a coach bolt, (b) is a side view of (a), and (c) is a side view of a drift pin. It is a division | segmentation reinforcement wall on either side, (a) (b) is a perspective view of the process of unitizing. It is an intermediate | middle division | segmentation reinforcement wall, (a) (b) is a perspective view of the process of unitizing. (A) is a perspective view of the process of fixing a receiving beam, (b) is a perspective view of the process of fitting the division | segmentation reinforcement wall of the right side. (A) is a perspective view of the process of fixing the right split reinforcement wall, (b) is a perspective view of the process of fitting and fixing the left split reinforcement wall. (A) is a perspective view of a process of fitting and fixing a central divided reinforcing wall, and (b) is a perspective view of a process of driving a dowel. (A) (b) is a schematic diagram of the division | segmentation reinforcement wall of a modification. It is an earthquake-resistant structure of patent documents 1, (a) is a perspective view before construction of an earthquake-resistant structure, and (b) is a front view after construction of an earthquake-resistant structure.

  Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. Note that portions having the same configuration and operation as those of the background art are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 1 is a front view of the seismic structure as viewed from the indoor side. FIG. 2A is a side cross-sectional view using a seismic structure as a partition wall, and FIG. 2B is a side cross-sectional view using a seismic structure as an outer wall.

  3A is a plan cross-sectional view of FIG. 1, FIG. 3B is a front view of the main part of the upper beam member 7, and FIG. 3C is a side cross-sectional view of FIG. 4A is a front view of the main part of the lower beam member 6, FIG. 4B is a side sectional view of FIG. 4A, and FIG. 4C is a perspective view of the main part of the floor assembly.

  5A is a front view of the coach bolt 22, FIG. 5B is a side view of FIG. 5A, and FIG. 5C is a side view of the drift pin 23.

  As shown in FIG. 1, the left and right columns 4 and 5 adjacent to each other, and the upper beam member (horizontal member) 7 and the lower beam member (base) 6 positioned above and below the left and right columns 4 and 5, A rectangular frame 10 is formed in which a rectangular space is formed. In addition, 11 is foundation concrete and 12 is a plywood (floor material).

  A rectangular reinforcing wall 20 that is divided into at least right and left (in this example, three divisions) is fitted in the space inside the rectangular frame 10. Each of the three divided reinforcing walls 20A, 20B, and 20C is a unit in which a plurality of (9 in this example) square members (for example, 90 mm squares) 13-1 to 13-9 are temporarily connected by drift pins 23 each three. It is configured. The square bars 13-1 to 13-9 are not limited to nine, and the temporary connection is not limited to three.

  The rectangular frame 10 is configured at the time when the left and right columns 4 and 5 and the upper and lower beam members 7 and 6 are framed in the newly built house, and at the time when the existing wall material is removed in the already completed house. Will be composed.

  Among the divided reinforcing walls 20A to 20C divided into the left and right, the left divided reinforcing wall 20A and the right divided reinforcing wall 20B are made of three square members 13-1 to 13-3 as shown in FIG. The upper end 13a and the lower end 13b of 13-7 to 13-9 are each notched. Thereafter, as shown by the arrows, the three square members 13-1 to 13-3 and 13-7 to 13-9 are arranged side by side and temporarily fixed in a set of three.

  In this state, after digging to sink the head of the coach bolt (fixing tool) 22 (see FIGS. 5 (a) and (b)) on the side surfaces of the square bars 13-3 and 13-7 which are on the inside, The front hole 22a of the coach bolt 22 that penetrates the square bars 13-1 to 13-3 and 13-7 to 13-9 is made. Further, a leading hole 23 a of the drift pin (fixing tool) 23 is also opened. In this example, the front hole 22a of the coach bolt 22 has three positions in approximately four equal positions in the length direction of the square member 13, and the front hole 23a of the drift pin 23 has two positions around the front hole 22a of the coach bolt 22. (6 locations in total), but not limited to this.

  Then, as shown in FIG. 6B, the drift pins 23 are driven into the three square bars 13-1 to 13-3 and 13-7 to 13-9 (press-fit), respectively, and the three square bars 13-1 to 13-3 are pressed. Assume that 13-3 and 13-7 to 13-9 are temporarily connected. Moreover, the coach bolt 22 is put in the tip hole 22a of the three square members 13-1 to 13-3 and 13-7 to 13-9, respectively.

  In this case, the tip of the drift pin 23 is made not to protrude beyond the outer surfaces of the square members 13-1 and 13-9, and the original end of the drift pin 23 is about half the width of the columns 4 and 5, and the square member. It protrudes from the inner surfaces of 13-3 and 13-7. That is, the drift pin 23 is driven into the columns 4 and 5.

  Further, the tip of the coach bolt 22 is made not to protrude beyond the outer surfaces of the square bars 13-1 and 13-9, and the head of the coach bolt 22 is about half the width of the columns 4 and 5, and the square bar 13 -3 and 13-7 are protruded from the inner surface. That is, the coach bolt 22 is screwed into the columns 4 and 5.

  Further, as shown in FIG. 7A, the intermediate divided reinforcing wall 20C is notched at the upper end portion 13a and the lower end portion 13b of the three square members 13-4 to 13-6, and the square members on both sides are provided. For screwing the head of the coach bolt 22 from the front (or the back) side so as to be staggered in the length direction at approximately four equally spaced positions in the length direction of 13-4 and 13-6. Each of the grooves 13c is processed. Thereafter, as shown by the arrows, the three square members 13-4 to 13-6 are arranged side by side and temporarily fixed in a set of three.

  In this state, the tip of the coach bolt 22 penetrating the two square members 13-5, 13-6 and 13-4, 3-5 in correspondence with the grooves 3c of the square members 13-4, 13-6 on both sides. Open the hole 22a. Further, a leading hole 23a of the drift pin 23 is also opened. In this example, the front holes 22a of the coach bolts 22 are provided at four locations approximately equal to five in the length direction of the square members 13-4 to 13-6, and the front holes 23a of the drift pin 23 are formed on both sides of each groove 3c. Although there are eight positions, this is not restrictive.

  Then, as shown in FIG. 7 (b), the drift pins 23 are driven into the three square bars 13-4 to 13-6 (press-fit), and the three square bars 13-4 to 13-6 are temporarily connected. And In addition, the coach bolts 22 with washers are placed in the front holes 22a of the coach bolts 22 of the three square members 13-4 to 13-6, with their heads fitted in the grooves 13c.

  In this case, the tip and the base end of the drift pin 23 are made not to protrude beyond the outer surfaces of the square members 13-4 and 13-6.

  Further, the tip of the coach bolt 22 is made not to protrude beyond the outer surfaces of the square members 13-4 and 13-6, and the head of the coach bolt 22 is about half the width of the square member 13, and the square member 13- In the inside of the groove 3c of 4 and 13-6, it protrudes from the square bar 13-5. That is, the coach bolt 22 is screwed into the divided reinforcing walls 20A and 20B.

  As described above, the nine reinforcing bars 13-1 to 13-3, 13-4 to 13-6, and 13-7 to 13-9 are preliminarily connected with the drift pins 23 as three units, and each divided reinforcing wall 20A to 20C. Can be mass-produced at a lumber mill or the like and stocked.

  On the other hand, at the construction site, as shown in FIG. 8A, the receiving beam 24 is fixed to the lower surface of the upper beam member 7 and the upper surface of the lower beam member 6 with the coach bolts 22 [FIGS. 3B and 3C]. FIG. 4 (a) (b)].

  Then, as shown in FIG. 8B, one (right side in this example) divided reinforcing wall 20B is fitted into the rectangular frame 10 and the right end square member 13-9 is placed along the right column 5. Then, the notches of the upper end portion 13a and the lower end portion 13b are fitted into the upper and lower receiving beams 24, respectively.

  Thereafter, as shown in FIG. 9A, the original end of the drift pin 23 is driven into the right column 5 until it is recessed into the inner surface of the left end square member 13-7. Moreover, the division | segmentation reinforcement wall 20B is fixed to the right pillar 5 by tightening the coach bolt 22 with a tool (for example, impact wrench etc.).

  Thereafter, a plurality of upper end portions 13a and lower end portions 13b of the square bars 13-7 to 13-9 are provided on the upper and lower receiving beams 24 as shown in FIGS. 3 (b) (c) and 4 (a) (b). The nail (fixing tool) 21 (four in this example) is fixed.

  Next, as shown in FIG. 9B, the other divided reinforcing wall 20A (left side in this example) is fixed to the left column 4 and the upper and lower receiving beams 24 in the same manner.

  In this state, as shown in FIG. 10A, the width of the intermediate divided reinforcing wall 20C is set to a tool (such as a planer) so that the intermediate divided reinforcing wall 20C is in close contact between the left and right divided reinforcing walls 20A, 20B. While finely adjusting, it fits between the left and right divided reinforcing walls 20A, 20B.

  The intermediate divided reinforcing wall 20C is fixed to the left divided reinforcing wall 20A and the right divided reinforcing wall 20B by tightening the coach bolt 22 with a tool (for example, an impact wrench or the like).

  Thereafter, the upper end portion 13a and the lower end portion 13b of each of the square members 13-4 to 13-6 are fixed to the upper and lower receiving beams 24 by a plurality of (four in this example) nails (fixing tools) 22, respectively.

  Finally, as shown in FIG. 10B, between the butted ends of the divided reinforcing walls 20A to 20C, front holes are formed at appropriate intervals in the vertical direction, and an appropriate number (in this example, a total of 8). ) Wooden dowels 25). This completes the construction of the seismic structure on site. In addition, you may fill in the groove | channel 13c of the square bars 13-4 and 13-6 as needed.

  In the case of the seismic structure as described above, the quadrangular reinforcing walls 20A to 20C divided into three are fitted into the quadrangular frame 10 formed by the columns 4, 5 and the beam members 6, 7. Each of the divided reinforcing walls 20 </ b> A to 20 </ b> C is configured as a unit in which nine square members 13-1 to 13-9 are temporarily connected by drift pins 23 in units of three.

  Then, the left divided reinforcing wall 20 </ b> A composed of the three square members 13-1 to 13-3 is collectively fixed to the left column 4 with the coach bolt 22. Further, the right divided reinforcing wall 20 </ b> B composed of the three square members 13-7 to 13-9 is fixed to the right column 5 by the coach bolt 22 at once. further. An intermediate divided reinforcing wall 20C composed of three square bars 13-4 to 13-6 is fixed to the left and right divided reinforcing walls 20A and 20B by a coach bolt 22 at a time.

  In this way, the divided reinforcing walls 20A to 20C divided into three are configured as a unit in which nine square members 13-1 to 13-9 are temporarily connected by the drift pin 23 in units of three. Accordingly, each of the divided reinforcing walls 20A to 20C can be mass-produced and stocked at a lumber factory or the like, and each of the divided reinforcing walls 20A to 20C can be formed at the construction site in a lump. Can be installed in between. Therefore, the work process at the construction site is reduced, the construction time for earthquake resistance can be shortened, and the construction cost is reduced. Since timber can be thinned, the material cost is reduced.

  In such a seismic structure, in a newly built house, the rectangular frame 10 is formed when the left and right columns 4 and 5 and the upper and lower beam members 6 and 7 are framed. In an already completed house, the existing wall material is used. When the frame is removed, the rectangular frame 10 is formed, and the reinforcing wall 20 is fitted into the rectangular frame 10.

  In particular, the dimensions of the rectangular frame 10 between the beam member 7 on the first floor and the base (beam member) 6 (or between the beam on the second floor and the beam on the first floor) are constructed as specified in the house during the new construction. Has been. It is possible to directly fit the reinforcing wall 20 (20A to 20C) manufactured in a sawmill or the like in accordance with the standard without any gaps within the rectangular frame 10 and to improve the earthquake resistance performance as much as possible. it can.

  In addition, since the inexpensive drift pin 23 and the coach bolt 22 that are widely used can be temporarily connected and fixed, the cost of the fixing tool for connection and fixing is low, and the temporary connection and fixing by these fixing tools are also possible. It can be done easily and quickly with general-purpose tools.

  Further, by forming the groove 3c in the square members 13-4 and 13-6 of the intermediate divided reinforcing wall 20C, the head of the coach bolt 22 is screwed into the left and right divided reinforcing walls 20A and 20B from the front side or the back side, respectively. It becomes possible to operate.

  Moreover, since the upper end part 13a and the lower end part 13b of each division | segmentation reinforcement wall 20A-20C are each fixed to the receiving beam 24 of the upper beam member 7 and the lower beam member 6 with the nail 21, respectively, the four side surfaces of each division | segmentation reinforcement wall 20A-20C. Is fixed to the rectangular frame 10, the strength of each of the divided reinforcing walls 20 </ b> A to 20 </ b> C is improved.

  Furthermore, the shift | offset | difference of each division | segmentation reinforcement wall 20A-20C can be suppressed now by driving in the dowel 25 between the butt | matching edge parts of each division | segmentation reinforcement wall 20A-20C.

  Even if the earthquake-resistant house incorporating the earthquake-resistant structure is a newly built house or an already completed house, the earthquake resistance can be improved at a low cost in a short period of time.

  In the above-described embodiment, the three reinforcing bars 13-1 to 13-3, 13-4 to 13-6, and 12-7 to 13-9 are each temporarily connected as a unit by the drift pin 23. Although 20A-20C was comprised, as shown to the schematic diagram of Fig.11 (a), the division | segmentation reinforcement walls 20A and 20B divided into right and left may be sufficient. In this case, the left divided reinforcing wall 20A is fixed to the left column 4 with the coach bolt 22, the right divided reinforcing wall 20B is fixed to the right column 5 with the coach bolt 22, and the left and right divided reinforcing walls 20A, 20A, What is necessary is just to fix 20B with the coach volt | bolt 22 between.

  Moreover, the division | segmentation reinforcement walls 20A-20D divided into 4 right and left may be sufficient like FIG.11 (b). In this case, the left two divided reinforcing walls 20A, 20C are simultaneously fixed to the left column 4 with the coach bolt 22, and the right two divided reinforcing walls 20B, 20D are fixed to the right column 5 with the coach bolt 22 And the left and right divided reinforcing walls 20C and 20D may be fixed with the coach bolts 22. In addition, even if it is five or more divisions, it can be fixed to the left and right columns 4 and 5 in the same manner.

  In the said embodiment, each division | segmentation reinforcement wall 20A-20D does not necessarily need to be comprised as a unit which temporarily connected several square members 13-1 to 13-9 with the drift pin 23, and a single plate is also possible. Moreover, it is not restricted only to a square bar, What combined the square bar and the flat plate may be used.

4,5 Column 6 Lower beam member 7 Upper beam member 10 Square frame 13-1 to 13-9 Square member 20 Reinforcing walls 20A to 20C Split reinforcing wall 21 Nail (fixing tool)
22 Coach bolts (fixtures)
23 Drift pin (fixture)
24 receiving beam 25 dowel

Claims (6)

An earthquake-resistant structure that reinforces walls to improve the earthquake resistance of a house,
A quadrangular frame that is composed of adjacent left and right columns, and an upper beam member and a lower beam member positioned between the left and right columns, and in which a rectangular space is formed,
A quadrangular reinforcing wall that is fitted into the space inside the quadrangular frame and divided into at least two sides;
Each of the divided reinforcing walls is configured as a unit in which a plurality of square members are temporarily connected with a fixture in advance.
Among the divided reinforcing walls, a fixing tool for fixing the left divided reinforcing wall to the left pillar, a fixing tool for fixing the right divided reinforcing wall to the right pillar, and the left and right divided reinforcing walls are fixed to each other. A fixture ,
A receiving beam fixed to each of the upper beam member and the lower beam member;
Equipped with a,
The upper and lower ends of each of the divided reinforcing walls are fixed to the receiving beam fixed to the upper beam member and the receiving beam fixed to the lower beam member, respectively, with a fixing tool. Structure. The reinforcing wall is divided into three parts between the left and right pillars. Among the three divided reinforcing walls, a fixing member for fixing the left divided reinforcing wall to the left pillar, and the right divided reinforcing wall to the right pillar. The seismic structure according to claim 1, further comprising: a fixing member that fixes the intermediate divided reinforcing wall to a left divided reinforcing wall and a right divided reinforcing wall. Each divided reinforcing wall of the three units uses, as the fixture, a combination of a drift pin and a coach bolt that are press-fitted into the tip hole of the square member,
The left divided reinforcing wall is fixed to the left column by a coach bolt screwed into the left column while being temporarily connected by the drift pin,
The right split reinforcement wall is fixed to the right column by a coach bolt being screwed into the right column while being temporarily connected by the drift pin,
3. The intermediate divided reinforcing wall is fixed to the left and right divided reinforcing walls by screwing the coach bolts into the left and right divided reinforcing walls, respectively, in a state where the intermediate divided reinforcing walls are temporarily connected by drift pins. Seismic structure as described in 1.   The seismic structure according to claim 3, wherein a groove for screwing the head of the coach bolt from the front side or the back side is formed in the intermediate divided reinforcing wall. The seismic structure according to any one of claims 1 to 4 , wherein a dowel is driven between the butted ends of the respective divided reinforcing walls. An earthquake-resistant house in which the earthquake-resistant structure according to any one of claims 1 to 5 is incorporated.

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