JP5038681B2 - Building reinforcement structure - Google Patents

Description

  In the present invention, on a floor laid on a foundation, a wall provided with a rectangular frame formed by assembling vertical and horizontal core members into a rectangular frame shape, and a face member attached to both sides of the rectangular frame is erected. It relates to the reinforcement structure of buildings.

When fixing a wooden column to a foundation, conventionally, the base wood is first fixed with anchor bolts, and the column is often fixed to the foundation via this foundation.
Various techniques have been proposed for fixing the pillar to such a foundation, for example, a technique for joining the pillar and the foundation by connecting a hole-down hardware fixed to the side of the pillar and an anchor bolt. Is known (see, for example, Patent Document 1).
JP 2001-214914 A

  By the way, when a building collapses due to an earthquake, a typhoon, or the like, there are cases where pulling out or lateral displacement of the pillars or foundations of the building is one of the causes. For this reason, in recent years, improvements have been made to the building reinforcement technology that further increases the fixing strength of the columns and the rigidity of the hardware for fixing the columns, as compared with the technology described in Patent Document 1 above. Yes. There has been a demand to incorporate such building reinforcement technology into buildings such as the panel method and the two-by-four method.

  An object of the present invention is to provide a reinforcing structure of a building that can firmly fix a wall on the foundation of the building, and can thereby reinforce the entire building.

The invention according to claim 1 is a reinforcing structure of a building, for example, as shown in FIGS. 1 to 4, and a vertical member 30 a and a horizontal member 30 b are formed in a rectangular frame shape on a floor 2 laid on the foundation 1. A wall 3 having a rectangular frame 30 assembled to each other and a face material 31 attached to both sides of the rectangular frame 30 is erected,
Bolt insertion holes 4 through which the anchor bolts 1a that penetrate the floor 2 and the transverse member 30b and protrude from the foundation 1 are inserted into the transverse member 30b of the wall 3 in contact with the floor 2 and the upper surface of the floor 2. Is formed ,
Backer material 6 is fitted in the vicinity of the hole bottom 41 of the bolt insertion hole 4, and the bolt insertion hole 4 is filled with the adhesive 5 from above the backer material 6 ,
The backer material 6 is formed in a circular shape, and includes a central hole 6 a that contacts the outer peripheral surface of the anchor bolt 1 a and an outer peripheral portion 6 b that contacts the hole wall 40 of the bolt insertion hole 4 .

According to the first aspect of the present invention, the adhesive 5 is filled in the bolt insertion hole 4 through which the anchor bolt 1a protruding through the floor 2 and the cross member 30b and protruding from the foundation 1 is inserted. Thus, the anchor bolt 1a and the bolt insertion hole 4 can be bonded by the adhesive 5 so that the floor 2 and the cross member 30b can be integrated, so that the cross member 30b is firmly fixed on the floor 2. Can be fixed to. Accordingly, the wall 3 including the cross member 30b can be firmly fixed on the floor 2 and, consequently, the foundation 1, so that the wall 3 in the event of an earthquake or a typhoon, for example. It is possible to reliably prevent the pulling out and lateral displacement of the building, and thus the entire building can be reinforced.
In addition, since the backer material 6 is fitted in the vicinity of the hole bottom 41 of the bolt insertion hole 4 and the adhesive 5 is filled from above, the backer material 6 allows the back of the bolt insertion hole 4 from the vicinity of the hole bottom 41. It is possible to reliably prevent the adhesive 5 from leaking out.

The invention according to claim 2 is a reinforcing structure of a building according to claim 1, for example, as shown in FIGS.
By forming the bolt insertion hole 4 with a diameter larger than that of the anchor bolt 1a, the adhesive is provided between the hole wall 40 of the bolt insertion hole 4 and the anchor bolt 1a inserted through the bolt insertion hole 4. A gap S for filling 5 is formed.

According to the invention described in claim 2, the bolt insertion hole 4 is formed to have a larger diameter than the anchor bolt 1 a, thereby being inserted into the hole wall 40 of the bolt insertion hole 4 and the bolt insertion hole 4. Since the gap S for filling the adhesive 5 is formed between the anchor bolt 1a, the anchor bolt 1a and the bolt insertion hole 4 can be easily bonded.
That is, by forming the bolt insertion hole 4 intentionally larger in diameter than the anchor bolt 1a in this way, the adhesive 5 is filled between the anchor bolt 1a and the bolt insertion hole 4. Since the gap S can be easily and reliably formed, the anchor bolt 1a and the bolt insertion hole 4 can be easily bonded by simply filling the gap S with the adhesive 5.

The invention according to claim 3 is a reinforcing structure for a building according to claim 1 or 2, as shown in FIGS.
The bolt insertion hole 4 includes a first insertion hole 4a penetrating the floor 2 and a second insertion hole 4b penetrating the cross member 30b. The adhesive 5 includes the first insertion hole 4a and the second insertion hole 4b. It is characterized by being filled over the insertion hole 4b.

  According to invention of Claim 3, since the said adhesive agent 5 is filled over the said 1st penetration hole 4a and the 2nd penetration hole 4b, the said floor 2 and the cross member 30b are mutually horizontal. Since the rigidity can be obtained with respect to the shearing force acting on the anchor bolt 1a by moving, it is possible to more reliably prevent the wall 3 from being pulled out or laterally displaced in the event of an earthquake or typhoon, for example.

The invention according to claim 4 is the reinforcing structure for a building according to any one of claims 1 to 3 , for example, as shown in FIG.
A nut 8 is screwed to the upper end of the anchor bolt 1a through a sealing material 7 that covers the upper surface of the opening of the bolt insertion hole 4.

According to the invention described in claim 4 , the nut 8 is screwed to the upper end of the anchor bolt 1 a via the sealing material 7 that covers the upper surface of the bolt insertion hole 4. Since the upper surface of the bolt insertion hole 4 is closed and further tightened by the nut 8 from above, it is possible to reliably prevent the adhesive 5 from overflowing from the upper surface of the bolt insertion hole 4.

  According to the present invention, the adhesive is inserted into the bolt insertion hole through which the anchor bolt that penetrates the floor laid on the foundation and the cross member constituting the wall erected on the floor and protrudes from the foundation is inserted. Since it is filled, the anchor bolt and the bolt insertion hole can be bonded by this adhesive, and the floor and the cross member can be integrated, so that the cross member can be firmly fixed on the floor. . This makes it possible to securely fix the wall composed of cross members on the floor and eventually to the foundation, so that, for example, during the earthquake or typhoon, the wall can be prevented from being pulled out or laterally displaced. It is possible to reinforce the entire building.

Embodiments of the present invention will be described below with reference to the drawings.
The building in this embodiment is constructed by a panel method in which building components such as walls, floors, and roofs are panelized in advance in the factory, and these panels are assembled and constructed at the construction site. In addition, a building with a 2 × 4 inch cross-section, or a wall-type construction method that supports a whole wall by building a wood having a cross-sectional length that is an integral multiple of 4 inches without changing 2 inches, mainly by a nailing method. It can also be applied to.

  As shown in FIGS. 1 to 4, the building reinforcing structure of the present embodiment is a rectangular frame formed by assembling vertical members 30 a and horizontal members 30 b into a rectangular frame shape on a floor 2 laid on a foundation 1. 30 and a wall 3 provided with face members 31 attached to both sides of the rectangular frame 30, and the floor 2 and the cross member 30b of the wall 3 in contact with the upper surface of the floor 2, A bolt insertion hole 4 is formed through the floor 2 and the cross member 30b and through which the anchor bolt 1a protruding from the foundation 1 is inserted. The bolt insertion hole 4 is filled with an adhesive 5.

  Here, the foundation 1 is a cloth foundation 1, and an anchor bolt 1a is embedded in the foundation 1 so as to protrude upward. Although not shown, the anchor bolt 1a is a foundation 1. The anchor bolts 1a can be used for connecting the foundation 1 and the building frame.

  The floor 2 is a floor panel 2, and includes a rectangular frame formed by assembling a plurality of frame materials 20 into a rectangular frame shape, and a surface material 21 attached to the upper surface of the rectangular frame. The floor panel 2 can be laid by laying the floor panel 2 between the opposing foundations 1 and 1 so that 20 is placed on the foundation 1.

  In addition, between the foundation 1 and the floor panel 2, a pedestal 9 for securing a flat surface at the upper end of the foundation 1 and preventing water permeation at the upper end of the foundation 1 is laid on the upper end of the foundation 1. ing. Moreover, although not shown in figure, this base wheel 9 has a ladder-like shape having a plurality of anchor bolt insertion rectangular through holes formed at predetermined intervals.

  The wall 3 is the wall panel 3, and as described above, the rectangular frame 30 formed by assembling the vertical members 30a and the horizontal members 30b into a rectangular frame shape, and the face material 31 attached to both surfaces of the rectangular frame 30. I have. As shown in FIG. 1, the wall 3 is arranged such that the cross member 30b is in contact with the upper surface of the floor 2, and the vertical member 30a rises upward at the end of the cross member 30b. 2 upright.

The bolt insertion hole 4 is formed so as to penetrate the floor 2 and the cross member 30b, and the bolt insertion hole 4 is filled with an adhesive 5 as shown in FIG. Yes.
Accordingly, the anchor bolt 1a and the bolt insertion hole 4 can be bonded by the adhesive 5, and the floor 2 and the cross member 30b can be integrated, so that the cross member 30b is placed on the floor 2. It can be fixed firmly.

  Various adhesives may be used as the adhesive 5 according to the present embodiment. For example, the adhesive 5 is suitable for bonding metal such as the anchor bolt 1a and wood such as the floor panel 2 and the wall panel 3, and the adhesive itself is aged. Adhesives that do not depart from the spirit of the present invention, such as those that can effectively prevent changes, and that can obtain higher effects are used.

  Next, the bolt insertion hole 4 will be described in more detail.

  As shown in FIG. 1, the bolt insertion hole 4 has a larger diameter than the anchor bolt 1 a inserted through the bolt insertion hole 4. The diameters of the anchor bolt 1a and the bolt insertion hole 4 can be appropriately changed without departing from the spirit of the present invention.

  That is, by forming the bolt insertion hole 4 intentionally larger in diameter than the anchor bolt 1a in this way, the adhesive 5 is filled between the anchor bolt 1a and the bolt insertion hole 4. Since the gap S can be easily and reliably formed, the anchor bolt 1a and the bolt insertion hole 4 can be easily bonded by simply filling the gap S with the adhesive 5.

  The bolt insertion hole 4 includes a first insertion hole 4a penetrating the floor 2 and a second insertion hole 4b penetrating the cross member 30b. The adhesive 5 includes the first insertion hole 4a and the first insertion hole 4a. The second insertion hole 4b is filled.

  That is, when the adhesive 5 is filled over the first insertion hole 4a and the second insertion hole 4b, the floor 2 and the cross member 30b move in the horizontal direction to act on the anchor bolt 1a. Since rigidity can be obtained with respect to the shearing force, for example, it becomes possible to reliably prevent the wall 3 from being pulled out or laterally displaced during an earthquake or typhoon.

  Further, as shown in FIG. 2, a backer material 6 is fitted in the vicinity of the hole bottom 41 of the bolt insertion hole 4, and the adhesive 5 is filled from above. Therefore, the backer material 6 can surely prevent the adhesive 5 from leaking from the vicinity of the hole bottom 41 of the bolt insertion hole 4.

  The backer material 6 is, for example, for supporting the caulking material that is fitted into the gap S between the outer wall 3 material and the outer wall 3 material and filled from above, from the back. In the embodiment, the adhesive 5 that is fitted into the gap S between the anchor bolt 1a and the bolt insertion hole 4 and further filled from above is supported from below.

  The backer material 6 includes various materials and is optional, but in the present embodiment, a sponge-like material is formed in a circular shape, and a central hole 6a that contacts the outer peripheral surface of the anchor bolt 1a and a bolt insertion The thing of the structure provided with the outer peripheral part 6b contact | abutted to the hole wall 40 of the hole 4 is used.

On the other hand, as shown in FIG. 4, a nut 8 is screwed onto the upper end of the anchor bolt 1a through a sealing material 7 covering the upper surface of the bolt insertion hole 4.
That is, the upper surface of the bolt insertion hole 4 is closed by the sealing material 7 and further tightened by the nut 8 from above, so that the adhesive 5 overflows from the upper surface of the opening of the bolt insertion hole 4. It can be surely prevented.

  In addition, as the sealing material 7 of this Embodiment, it consists of resin, such as rubber packing, and the opening upper surface of the bolt penetration hole 4 can be sealed now. Further, a washer member 8a is provided on the upper surface of the sealing material 7, and the washer member 8a can not only play an original role such as loosening prevention of the nut 8, but also the upper surface of the bolt insertion hole 4. It is possible to provide assistance when closing the door.

  Next, a method for reinforcing a building will be described.

  First, bolt insertion holes 4 are formed at predetermined positions of a floor panel 2 laid on the foundation 1 and a wall panel 3 erected on the floor panel 2. Here, the predetermined location means a predetermined location where the positions of the first insertion hole 4a formed in the floor panel 2 and the second insertion hole 4b formed in the wall panel 3 correspond to each other. In addition, it means a predetermined location where a stable standing state of the wall panel 3 can be secured.

Next, as shown in FIG. 1, after laying the base 9 on the foundation 1, the position of the anchor bolt 1a protruding from the foundation 1 and the position of the first insertion hole 4a are matched so that the floor panel 2 Laying.
The wall panel 3 is erected on the upper surface of the floor panel 2 so as to match the position of the anchor bolt 1a and the position of the second insertion hole 4b.

  Next, as shown in FIG. 2, the backer material 6 is fitted in the vicinity of the hole bottom 41 of the first insertion hole 4a. Then, as shown in FIG. 3, the adhesive 5 is filled over the first insertion hole 4a and the second insertion hole 4b.

  Then, after filling the bolt insertion hole 4 with the adhesive 5 in this way, as shown in FIG. 4, a sealing material 7 is provided on the upper surface of the opening of the bolt insertion hole 4, and a washer member 8a is formed thereon. Further, the nut 8 is screwed onto the anchor bolt 1a and tightened. The building is reinforced as described above.

  According to the present embodiment, the adhesive 5 is filled in the bolt insertion hole 4 through which the anchor bolt 1a protruding through the floor 2 and the cross member 30b and protruding from the foundation 1 is inserted. Since the anchor bolt 1a and the bolt insertion hole 4 can be bonded by the adhesive 5 to integrate the floor 2 and the cross member 30b, the cross member 30b is firmly fixed on the floor 2. be able to. Accordingly, the wall 3 including the cross member 30b can be firmly fixed on the floor 2 and, consequently, the foundation 1, so that the wall 3 in the event of an earthquake or a typhoon, for example. It is possible to reliably prevent the pulling out and lateral displacement of the building, and thus the entire building can be reinforced.

It is sectional drawing which shows the state by which the wall was erected on the floor laid on the foundation. It is sectional drawing which shows the state by which the backer material was engage | inserted by the bolt insertion hole. It is sectional drawing which shows the state with which the bolt insertion hole was filled with the adhesive agent. It is sectional drawing which shows the state which fixed the wall to the floor.

Explanation of symbols

1 Foundation 1a Anchor bolt 2 Floor 3 Wall 4 Bolt insertion hole 5 Adhesive 30b Cross member S Gap

Claims (4)

On the floor laid on the foundation, a wall having a rectangular frame formed by assembling vertical members and cross members into a rectangular frame shape, and a face member attached to both sides of the rectangular frame is erected,
The floor and the cross member of the wall in contact with the upper surface of the floor are formed with bolt insertion holes through which the anchor bolts that penetrate the floor and the cross member and protrude from the foundation are inserted ,
A backer material is fitted near the bottom of the bolt insertion hole, and the bolt insertion hole is filled with an adhesive from above the backer material ,
The backer material is formed in a circular shape, and includes a central hole that contacts the outer peripheral surface of the anchor bolt and an outer peripheral portion that contacts a hole wall of the bolt insertion hole . In the building reinforcement structure according to claim 1,
A gap for filling the adhesive between the hole wall of the bolt insertion hole and the anchor bolt inserted into the bolt insertion hole by forming the bolt insertion hole larger in diameter than the anchor bolt. Reinforcement structure of building characterized by being formed. In the reinforcement structure of the building of Claim 1 or 2,
The bolt insertion hole includes a first insertion hole penetrating the floor and a second insertion hole penetrating the cross member, and the adhesive is filled across the first insertion hole and the second insertion hole. Reinforcement structure of the building characterized by that. In the reinforcement structure of the building as described in any one of Claims 1-3 ,
A reinforcing structure for a building, wherein a nut is screwed to an upper end of the anchor bolt via a sealing material that covers an upper surface of the opening of the bolt insertion hole.

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