JP7143205B2 - Seismic reinforcement wall structure - Google Patents

Description

Article 30, Paragraph 2 of the Patent Law applies Sumirin Hyper Panel Construction Method (provisional name) Technical evaluation data (Applied on July 2, 2018 by Sumitomo Forestry Home Tech Co., Ltd.)

The present invention relates to an earthquake-resistant reinforced wall structure, and in particular, an earthquake-resistant reinforcement that enables reinforcement of a wall frame including a pair of adjacent pillars and upper and lower horizontal members while leaving the ceiling and floor materials in place. Regarding wall construction.

In Japan, large-scale earthquakes such as the Great East Japan Earthquake and the Great Hanshin-Awaji Earthquake have frequently occurred. There is a demand for seismic retrofitting of buildings such as wooden buildings in urban areas.

In addition, as a method for effective seismic retrofitting of a building, it has been proposed to seismically reinforce the wall frame, which includes a pair of adjacent pillars and upper and lower horizontal members. There has also been developed an earthquake-resistant reinforcement structure that can be efficiently constructed indoors while leaving ceiling materials and floor materials when performing earthquake-resistant reinforcement (see, for example, Patent Document 1).

JP-A-2005-232713

In the earthquake-resistant reinforcement structure of a wooden house described in Patent Document 1, in a wall frame including a pair of adjacent pillars, an upper horizontal member and a lower horizontal member, the upper horizontal member is bridged between the pair of pillars. Attach the upper auxiliary horizontal beam near the edge of the ceiling material with a space below the beam, and install the lower auxiliary horizontal beam near the edge of the floor material with a space above the lower horizontal beam. are installed, and by fixing the peripheral edge to these pair of pillars and the upper and lower auxiliary horizontal members, a reinforcing panel is attached from the inside of the room, without removing the ceiling material and floor material. The wall frame can be seismically reinforced.

However, in the seismic reinforcement structure described in Patent Document 1, especially in the ceiling pocket above the ceiling material, between the upper horizontal member of the wall frame and the upper auxiliary horizontal member arranged below it In this case, a fairly large opening remains, and when an earthquake load is applied, a bending moment is generated at the joint between the middle part of the column and the auxiliary horizontal member. In addition, it is difficult to obtain a seismically reinforced wall with a high strength, as well as being subject to design operation rules that require a design that assumes that a bending moment is generated in the middle part of the wall.

In the present invention, it is possible to efficiently reinforce earthquake resistance by working indoors without removing ceiling materials and floor materials, and it is necessary to design on the premise that a bending moment is generated in the middle part of the column. To provide an anti-seismic reinforced wall structure capable of easily designing an anti-seismic reinforced wall with high bearing strength without being restricted by the operation rules of .

The present invention provides a wall frame that includes a pair of adjacent pillars, and an upper horizontal member and a lower horizontal member that span the upper and lower ends of the pair of pillars. A seismically reinforced wall structure that can be reinforced by work from indoors while leaving the flooring in place, wherein both side edges are joined to the pair of pillars with the upper part placed in the ceiling pocket of the wall frame. It is composed of a fixedly attached ceiling reinforcement member and a rectangular reinforcing panel attached across the pair of pillars in a portion between the ceiling material and the floor material. , the ceiling reinforcement member includes a rectangular ceiling reinforcing panel, an upper square member attached to the edge along the upper side of the ceiling reinforcing panel, and on both sides of the ceiling reinforcing panel and a pair of side square timbers attached to the edges along the ceiling, and both side edges of the ceiling reinforcement member are joined and fixed to the pillar via the side timbers. and is integrally joined to the upper end of the reinforcing face member in a portion below the ceiling member via a crosspiece bridged over the side square members on both sides. Thus, the above object is achieved.

In the earthquake-resistant reinforced wall structure of the present invention, each of the inner corner portions on both sides of the upper square timber and the side square timber in the ceiling groin reinforcing member has the upper square timber and the side square timber at both ends. are preferably joined to and have corner hardware attached.

Further, in the earthquake-resistant reinforced wall structure of the present invention, the inside of the wall frame is partitioned into a plurality of wall sections by studs spanning between the upper horizontal member and the lower horizontal member, A plurality of the ceiling pocket reinforcing members are attached by joining and fixing both side edge portions to the pillars or the studs via the side square timbers, with the upper portion disposed in the ceiling pocket of each wall section. In addition, the portion below the ceiling material is integrally joined to the upper end portion of the reinforcing surface material via the receiving bar that is bridged over the side square members on both sides at the same height. is preferred.

Further, in the quake-resistant reinforced wall structure of the present invention, the reinforcing panel is formed by vertically arranging a plurality of vertically divided unit reinforcing panels, and the vertically adjacent units are arranged vertically. The upper or lower ends of the reinforcing face members are joined to connecting bars that span the pair of pillars on both sides, so that the plurality of unit reinforcing face members are connected via the connecting bars. It is preferable that the reinforcing face member is formed integrally.

Furthermore, in the quake-resistant reinforced wall structure of the present invention, the lower end of the reinforcing panel is joined to a lower receiving bar that spans between the pair of pillars above the floor material with a gap therebetween. , both ends are connected to the lower receiving rail and the column or the stud at each of the inner corner portions of the lower receiving rail and the pair of the pillars or the studs in the space between the floor material and the lower receiving rail. preferably fitted with lower corner hardware.

According to the seismic reinforcement wall structure of the present invention, earthquake resistance can be reinforced efficiently by working indoors without removing the ceiling material and floor material, and the design is based on the premise that a bending moment is generated in the middle part of the column. It is possible to easily design a seismically reinforced wall with a high bearing strength without being restricted by design operation rules such as the need to do so.

(a) is a front view seen from the inside of a room explaining the configuration of an earthquake-resistant reinforced wall structure according to a preferred embodiment of the present invention, and (b) is a cross-sectional view taken along line AA of (a). . It is an enlarged view of the B part of FIG.1(b) explaining the structure of the earthquake-resistant reinforcement wall structure based on one preferable embodiment of this invention. (a) is a front view of a ceiling pocket reinforcing member, (b) is a side view, and (c) is a rear view. (a) is a front view of the corner hardware, and (b) is a side view. It is a front view of the state before attaching a reinforcement face material explaining the composition of the earthquake-resistant reinforcement wall structure concerning one preferred embodiment of the present invention. (a), (b) is a front view of the state before attaching a reinforcement face material explaining the structure of the earthquake-resistant reinforcement wall structure based on other preferable embodiment of this invention.

As shown in FIG. 1, the quake-resistant reinforced wall structure 10 according to a preferred embodiment of the present invention is a building, for example, a two-story wooden residential building based on the frame construction method. The ceiling material 34 and the floor material 35 are left on the wall frame 30 including the upper horizontal member 32 and the lower horizontal member 33 that are vertically bridged over the pair of pillars 31. It was adopted as a reinforcing wall structure that enables efficient seismic reinforcement by indoor work. In this embodiment, the upper horizontal beams 32 are floor beams of the second floor for the first floor of the building, and roof beams for the second floor of the building, and the lower horizontal beams 33 are the first floor of the building. The part is the foundation, and the second floor part is the floor beam. In the quake-resistant reinforced wall structure 10 of the present embodiment, the ceiling material 34 is left unremoved to form an opening of a considerable size. For the ceiling pocket 30a, it is necessary to effectively reinforce the ceiling material 34 in a state where it is left, and it is necessary to design on the premise that a bending moment is generated in the middle part of the pillar. Without being restricted by the operation rules of , and preferably, if there are construction obstacles such as existing hardware, piping, wiring, etc. below the upper horizontal member 32, without being restricted by these obstacles, It has a function that makes it easy to design seismically reinforced walls with high bearing capacity.

As shown in FIG. 2, the earthquake-resisting reinforced wall structure 10 of this embodiment has a pair of adjacent pillars 31 and a pair of pillars 31 that span the upper and lower ends of the pair of pillars 31. A wall structure in which a wall frame 30 including an upper horizontal member 32 and a lower horizontal member 33 can be reinforced by indoor work while leaving a ceiling material 34 and a floor material 35, and the ceiling in the wall frame 30 In the portion between the ceiling bolster reinforcing member 11, which is attached by joining and fixing both side edges to a pair of pillars 31, and the ceiling material 34 and the floor material 35, while the upper part is arranged in the hem 30a. , and a rectangular reinforcing panel 17 attached across a pair of pillars 31 . As shown in FIGS. 3A to 3C, the ceiling reinforcement member 11 is attached to the rectangular ceiling reinforcement panel 12 and the edge along the upper side of the ceiling reinforcement panel 12. It has an upper square member 13 and a pair of side square members 14 attached to the edges along both sides of the ceiling reinforcement panel 12 . As shown in FIGS. 1(a) and 5, the ceiling reinforcement member 11 is attached by joining and fixing both side edge portions to the pillar 31 via the side square members 14, and the both side portions. A portion below the ceiling material 34 is integrally joined to the upper end portion of the reinforcing panel 17 via the receiving bar 15 that is bridged over the rectangular timber 14 .

In addition, in the present embodiment, both ends of the corner inside portions on both sides of the upper square timber 13 and the side square timber 14 in the ceiling groin reinforcing member 11 are joined to the upper square timber 13 and the side square timber 14 . , the corner hardware 16 is attached.

Furthermore, in this embodiment, the inside of the wall frame 30 is partitioned into a plurality of wall sections 37 by studs 36 spanning between the upper horizontal member 32 and the lower horizontal member 33. A plurality of ceiling reinforcement members 11 are attached by joining and fixing both side edge portions to the pillars 31 or the studs 36 via the side square members 14, with the upper portion arranged in the ceiling grove 30a in the wall section 37. In addition, the portion below the ceiling material 34 is integrally joined to the upper end portion of the reinforcing panel 17 via the support beam 15 that is bridged over the side square members 14 on both sides at the same height. .

Furthermore, in this embodiment, the lower end of the reinforcing panel 17 is joined to the lower receiving rail 20 that is bridged between the pair of pillars 31 above the flooring 35 with a space therebetween. In the space between the material 35 and the lower receiving rail 20, each of the inner corner portions of the lower receiving rail 20 and the pair of pillars 31 or studs 36 has both ends attached to the lower receiving rail 20 and the pillar 31 or the stud 36. and a lower corner hardware 22 is attached.

In this embodiment, the wall frame 30 to be reinforced against earthquakes is, for example, a wall frame that constitutes the first floor of the building, and the upper horizontal beam 32 is large, for example, about 105 mm in width and about 180 mm in length. The floor beams on the second floor are made of wooden square timbers with a rectangular cross section. The lower horizontal member 33 serves as a base made of a wooden square timber having a rectangular cross section of about 105 mm in length and width, for example. It is made of a rectangular material, and erected from the lower horizontal member 33 so as to support the upper horizontal member 32 from below. The upper horizontal member 32 and the lower horizontal member 33 are arranged so as to extend in parallel in the horizontal direction with a center-to-center interval of about 2730 mm in the vertical direction. The frame structure of the wall skeleton 30 is formed by arranging them so as to extend parallel to the longitudinal direction with a center-to-center interval of about 1820 mm in the direction.

Further, in this embodiment, the ceiling material 34 is arranged at a position, for example, about 285 mm lower than the lower end of the upper horizontal member 32 . A roof pocket 30a, which is an opening of a considerable size, is formed between the material 32 and the material 32. As shown in FIG. The floor material 35 is arranged at a position, for example, about 85 mm higher than the upper end of the lower horizontal member 33, so that below the floor material 35 in the wall frame 30, between the lower horizontal member 32, The opening remains.

Furthermore, in the present embodiment, as described above, the inner side of the wall frame 30 includes a plurality of (three in this embodiment) studs that are bridged between the upper horizontal member 32 and the lower horizontal member 33. 36 are divided into a plurality of (four in this embodiment) wall sections 37 . The studs 36 are made of, for example, 30 mm x 60 mm wooden rectangular timbers. In addition, they are erected in parallel with these and attached so as to have a center-to-center pitch of, for example, about 450 to 460 mm. As a result, the inside of the wall frame 30 is partitioned into four wall sections 37, and the ceiling pocket reinforcing member 11 is fitted into each wall section 37 with the upper part thereof placed in the ceiling pocket 30a. It is attached.

As shown in FIGS. 3(a) to 3(c), the ceiling reinforcement member 11 in this embodiment includes a rectangular ceiling reinforcement panel 12 and an edge portion along the upper side of the ceiling reinforcement panel 12. and a pair of side square members 14 attached to the edges along both sides of the ceiling reinforcing panel. The ceiling reinforcing panel 12 is made of structural plywood with a thickness of, for example, about 12.5 mm, and has a width of, for example, 380 mm, which is the same as the width of the space between the pillars 31 and studs 36 on both sides of each wall section 37 . It is formed in a rectangular shape having a horizontal width of about 420 mm and a vertical width of about 270 mm, for example.

The upper square timber 13 is made of, for example, a 30 mm×40 mm wooden square timber, and is formed to have a length of, for example, about 380 to 420 mm, which is the same as the width of the ceiling reinforcing panel 12 . The upper square member 13 is arranged at the edge along the upper side of one surface of the ceiling reinforcing panel 12, and for example, by driving a plurality of fixing screws toward the ceiling reinforcing panel 12, the ceiling is reinforced. It is integrally joined and fixed to the face material 12 . Each of the pair of side square timbers 14 is made of a wooden square timber of, for example, 30 mm×40 mm similar to the upper square timber 13, and has a length longer than the vertical width of the ceiling reinforcement panel 12, for example, about 370 mm. It is formed. The side square timbers 14 are arranged at the edges along both sides of the ceiling reinforcement panel 12, and the upper surfaces of the side square timbers 14 are in contact with the lower surfaces of the upper square timbers 13, for example, the ceiling reinforcement surfaces. By driving a plurality of fixing screws toward the material 12, it is integrally joined and fixed to the ceiling reinforcing surface material 12. - 特許庁The side square member 14 is attached to the ceiling reinforcement panel 12 in a state in which the lower end portion protrudes downward by about 100 mm from the edge along the lower side of the ceiling reinforcement panel 12 .

Further, in this embodiment, preferably, the corner hardware 16 is attached to each of the inner corner portions on both sides of the upper square member 13 and the side square member 14 in the ceiling pocket reinforcing member 11 as described above. As shown in FIGS. 4A and 4B, the corner hardware 16 is formed using a metal plate having a thickness of, for example, about 2 mm. A pair of joining plate portions 16b are provided, which are bent from oblique side portions on both sides of 16a to the connecting plate portion 16a. Each of the pair of joint plate portions 16b is bent to have a doglegged cross-sectional shape. A plurality of fastening holes 16c for fastening are formed therethrough.

The corner metal fittings 16 have joint plate portions 16b at both ends along the inside corner portions on both sides of the upper square timber 13 and the side square timber 14 in the ceiling pocket reinforcing member 11, and the upper square timber 13 and the side square timber 14 are attached. 14, it is attached integrally to the ceiling pocket reinforcing member 11 by driving a metal fitting screw through the fastening hole 16c and fastening it. By attaching corner metal fittings 16 to inner portions of the corners on both sides of the upper square member 13 and the side square members 14 of the ceiling pocket reinforcing member 11, the rigidity of the ceiling pocket reinforcing member 11 can be increased. In addition, the fastening hole 16c for fastening the metal fitting screw is formed in the obliquely inclined base end side portion of the joining plate portion 16b so that the metal fitting screw can be attached to the upper square member 13. Since it is possible to drive the screws obliquely into the upper square timber 13 and the side square timber 14, it is possible to effectively prevent cracks in the upper square timber 13 and the side square timber 14 when driving the hardware fixing screw. can be avoided.

In this embodiment, the reinforcement panel 17 that constitutes the seismic reinforcement wall structure 10 together with the ceiling groin reinforcement member 11 is a known structural load-bearing panel, as shown in FIGS. Various plate-like members can be used. In this embodiment, a gypsum board can be preferably used as the reinforcing face member 17, and more specifically, a hard gypsum board having a thickness of about 12.5 mm, for example, can be used. The reinforcing panel 17 has a vertical width of, for example, about 2200 mm, which is the same as the height from the floor material 35 to the ceiling material 34, and a horizontal width of, for example, about 1820 mm, which is the same as the distance between the centers of the pair of pillars 31 on both sides. is formed in a rectangular shape.

The reinforcement face member 17 is provided with a ceiling reinforcement member 11 at its upper end portion below the ceiling member 34 via support bars 15 which are bridged between the side square members 14 on both sides of each ceiling reinforcement member 11. It is integrally joined to the member 11 and integrally joined to a lower receiving bar 20, which will be described later, bridged between a pair of pillars 31 on both sides at a portion above the floor material 35. As shown in FIG.

Further, in the present embodiment, the reinforcing surface member 17 is preferably formed by vertically arranging a plurality of (three in this embodiment) unit reinforcing surface members 17a divided vertically. there is The upper and lower end portions of the vertically adjacent unit reinforcing surface members 17a are each joined to a connecting bar 21, which will be described later, bridged between a pair of pillars 31 on both sides. A reinforcing face member 17 is formed by integrating three unit reinforcing face members 17a via a connecting bar 21. - 特許庁

In order to seismically reinforce the existing wall frame 30 by working indoors with the earthquake-resistant reinforced wall structure 10 of the present embodiment, first, the ceiling material 34 and the floor material 35 are left as they are. After removing the wall finishing material, wall base material, etc. between the parts, the pair of pillars 31 on both sides are replaced by three partitions that divide the inside of the wall skeleton 30 into four wall sections 37. It is exposed together with the studs 36 . After that, as shown in FIG. 5, in each wall section 37, the above-mentioned ceiling reinforcement member 11 is arranged on the back surface side, and the upper square member 13 is arranged on the upper side, In addition to being fitted in, the surfaces of the upper square timber 13 and the side square timber 14 are arranged so as to be flush with the surface of the pillar 31 (see FIG. 2), facing the ceiling pocket 30a. Slide upward. The ceiling pocket reinforcing member 11 is slid upward in each wall section 37 until the upper portion, for example, about 165 mm in height, is inserted into the ceiling pocket 30a above the ceiling material 34, and then the position is changed. The ceiling pocket reinforcing member 11 is fixed as a mounting position of a predetermined height of the ceiling pocket reinforcing member 11 . In order to fix the ceiling reinforcement member 11 at the installation position at a predetermined height, for example, the side square members 14 on both sides of the portion extending downward from the ceiling member 34 are attached toward the pillar 31 and the stud 36, and the ceiling While the material 34 is left, it can be easily carried out by driving a plurality of coarse threads as a fixing member, for example, by working indoors.

After the ceiling reinforcement member 11 is attached and fixed at a predetermined height position in each wall section 37, side square members on both sides are attached to the portion of each ceiling reinforcement member 11 extending below the ceiling material 34. A receiving bar 15 is attached so as to span over 14. - 特許庁The receiving bar 15 is made of, for example, a 30 mm×105 mm wooden board, and has a length similar to the interval between the side square members 14 on both sides of each ceiling grove reinforcing member 11 . Each receiving bar 15 is arranged, for example, so that its upper side is along the ceiling material 34, and the surface is flush with the surface of the side square timber 14 between the side square timbers 14 on both sides of the ceiling pocket reinforcing member 11. In addition, the end of the receiving bar 15 and the side square member 14 are penetrated from the inside of the ceiling pocket reinforcing member 11, and toward the side surface of the pillar 31 or the stud 36, For example, by driving a plurality of coarse threads obliquely, the side square members 14 and the pillars 31 and studs 36 can be integrally fixed. In addition, the receiving beams 15 are bridged between the side square timbers 14 on both sides of each ceiling grove reinforcing member 11 at the same height, so that the studs 36 and the side square timbers are placed between the pair of pillars 31 . 14 are interposed and continuously bridged.

Further, in this embodiment, the lower receiving beam 20 is attached to the lower end portion of the wall skeleton 30 so as to bridge between the pair of pillars 31 with a space above the floor material 35 . Similar to the receiving bar 15 , the lower receiving bar 20 is made of, for example, a 30 mm×105 mm wooden board, and has a length that spans two adjacent wall sections 37 in the wall skeleton 30 . The lower receiving beams 20 are placed above the floor material at two adjacent wall sections 37 on the left and right sides, for example, at intervals of, for example, about 65 to 115 mm between the pillars 31 and the central studs 36. It is fitted so that its surface is flush with the surfaces of the pillars 31 and studs 36 (see FIG. 1(b)), and the ends of the lower receiving beams 20 are passed through from the inside of the wall section 37 to attach the pillars. By obliquely driving a plurality of, for example, coarse threads as fixing members toward the side surfaces of the pillars 31 and the studs 36, they can be integrally fixed to the pillars 31 and the studs 36 (see FIG. 5).

Here, on the pair of intermediate studs 36 arranged between the pillar 31 and the central stud 36, the lower receiving rail 20 is attached to the surface side of the height position corresponding to the mounting position of the lower receiving rail 20. Interference with the lower receiving bar 20 can be avoided by appropriately providing a notch with a depth corresponding to the thickness. By driving a fixing screw from the surface side of the lower receiving rail 20 toward the intermediate stud 36 at the portion intersecting the intermediate stud 36 disposed between the pillar 31 and the central stud 36, the It becomes possible to firmly fix the lower receiving bar 20. - 特許庁Since the pair of lower receiving bars 20 are bridged at the same height, they are bridged continuously between the pair of pillars 31 with the central stud 36 interposed therebetween.

Furthermore, in this embodiment, the wall frame 30 is vertically divided into three parts, preferably parallel to the receiving bar 15 and the lower receiving bar 20, and the two connecting bars 21 are connected to the pair of pillars 31. Attach it so that it spans between them. Like the lower receiving bar 20 , the connecting bar 21 is made of, for example, a 30 mm×105 mm wooden board, and has a length spanning two adjacent wall sections 37 in the wall skeleton 30 . The connecting bar 21 is arranged at a height position that equally divides the space between the receiving bar 15 and the lower receiving bar 20 into three in the vertical direction in two adjacent wall sections 37 on the left and right sides. Between the studs 36 in the central part, it is fitted so that the surface is flush with the surfaces of the posts 31 and the studs 36 (see FIG. 1(b)). By penetrating the ends of 21 and obliquely driving a plurality of coarse threads as fixing members toward the side surfaces of the pillars 31 and studs 36, it is possible to integrally fix them to the pillars 31 and studs 36 ( See Figure 5).

Here, on the intermediate stud 36 arranged between the post 31 and the central stud 36, a thickness corresponding to the thickness of the connecting bar 21 is provided on the surface side of the height position corresponding to the mounting position of the connecting portion 21. Interference with the connecting bar 21 can be avoided by appropriately providing a notch with a depth corresponding to that. A fixing screw is driven from the surface side of the connecting bar 21 toward the intermediate stud 36 at the portion intersecting the intermediate stud 36 arranged between the pillar 31 and the central stud 36, thereby making it stronger. , it becomes possible to fix the connecting bar 21. Since the pair of connecting bars 21 are bridged at the same height, they are bridged continuously between the pair of pillars 31 with the central stud 36 interposed therebetween.

Furthermore, in this embodiment, by utilizing the space between the floor material 35 and the lower receiving bar 20 attached above the floor material 35 at the lower end of the wall frame 30, the work can be performed from indoors. , in each wall section 37, a lower corner hardware 22 is attached to the inner corner portion of each side of the lower pier 20 and the pair of posts 31 or studs 36. As shown in FIG. The lower corner hardware 22 has the same configuration as the corner hardware 16 used in the ceiling pocket reinforcing member 11. As shown in FIG. and a pair of joint plate portions 22b that are bent from the oblique side portions on both sides of the joint plate portion 22a to the connection plate portion 22a. A plurality of fastening holes 22c for fastening metal fitting screws are formed through the hole.

The lower corner metal fittings 22 have joint plate portions 22b at both ends along the inside corner portions on both sides of the lower receiving beam 20 and the pair of columns 31 or studs 36 at the lower end portion of each wall section 37. At the same time, it is possible to firmly attach to the inner part of the corner by driving a screw for fixing metal fittings through the fastening hole 22c toward the lower receiving rail 20 and the pillar 31 or the stud 36 to fasten and fix them. be possible. A lower corner hardware 22 is attached to each of the inner corner portions of the lower receiving rail 20 and the column 31 or the stud 36 so that a moment is not generated at the joint portion between the lower receiving rail 20 and the column 31. can be effectively reinforced. As a result, an opening remains between the lower horizontal member 33 of the wall frame 30 and the lower receiving bar 20, which is arranged above the horizontal member 33 and to which the lower end of the reinforcing surface member 17 is joined. As a result, for example, when an earthquake load is received, it is necessary to design on the premise that a bending moment will be generated at the joint part of the middle part of the column 31 with the lower receiving bar 20. Preferably, if there are obstacles such as existing metal fittings, piping, wiring, etc. above the lower horizontal member 33, the obstacles due to these obstacles It is possible to eliminate the restriction and easily design the earthquake-resistant reinforced wall with high strength.

When these receiving bars 15, lower receiving bars 20, connecting bars 21, and lower corner hardware 22 are installed while leaving the ceiling material 34 and the flooring material 35 by work from inside the room, similarly, by work from inside the room, As shown in FIGS. 1(a) and 1(b), in the portion between the ceiling material 34 and the floor material 35, the reinforcing panel 17 is bridged over the pair of pillars 31, and the upper end portion is a receiving bar. 15 by joining the lower end to the lower receiving bar 20 . In addition, in the present embodiment, as described above, the reinforcing surface member 17 is formed by vertically arranging three unit reinforcing surface members 17a that are vertically divided into three pieces, and are vertically adjacent to each other. The upper and lower end portions of the unit reinforcing surface members 17a are respectively joined to the connecting bars 21 so that the reinforcing surface members 17 in which the three unit reinforcing surface members 17a are integrated are formed. It has become.

That is, the upper unit reinforcing surface member 17a is brought into contact with the front side of the receiving bar 15 on the back side of the upper end portion, and is brought into contact with the front side of the pair of pillars 31 on the back side of the side ends on both sides. In a state where the back side of the lower end portion is in contact with the surface side of the connecting bar 21 on the upper stage, for example, a plurality of fixing screws are driven from the surface side toward the receiving bar 15, the column 31 and the connecting bar 21 so as to be strong. can be fixed to and attached to the wall frame 30. The back side of the upper end portion of the middle unit reinforcing surface member 17a is brought into contact with the front side of the upper connecting bar 21, and the back side of both side end portions is brought into contact with the front side of the pair of pillars 31, respectively. In a state in which the back side of the lower end portion is in contact with the surface side of the connecting bar 21 in the lower stage, for example, a plurality of fixing screws are driven from the surface side toward the connecting bar 21 and the pillar 31 to firmly fix it. , can be attached to the wall frame 30 . The lower unit reinforcing surface member 17a has the back side of the upper end in contact with the front side of the lower connecting bar 21, and the back side of both side ends with the front side of the pair of pillars 31, respectively. With the back side of the lower end portion in contact with the surface side of the lower receiving bar 20, for example, a plurality of fixing screws are driven from the surface side toward the connecting bar 21, the column 31, and the lower receiving bar 20, thereby providing a firm structure. can be fixed to and attached to the wall frame 30. As a result, the reinforcing panel 17, in which the three unit reinforcing panels 17a are integrated, is mounted across the pair of pillars 31 in the portion between the ceiling member 34 and the floor member 35. .

In addition, prior to attaching the reinforcing face member 17 to the wall frame 30, a heat insulating material, a sound insulating material, or the like can be placed inside the wall frame 30 as appropriate. In addition, the reinforcing face member 17 can be further firmly fixed to the wall frame 30 by, for example, driving a plurality of fixing screws from the surface side toward the studs 36 at the portions of the reinforcing face member 17 that overlap with the studs 36 . becomes possible.

After the reinforcing surface material 17 is attached to the wall frame 30 as described above, the reinforcing surface material 17 in the portion between the ceiling material 34 and the floor material 35 is covered, and the wall base material and wall finishing material are attached. , the construction of the earthquake-resistant reinforced wall structure 10 of the present embodiment is completed.

According to the earthquake-resistant reinforcing wall structure 10 of the present embodiment having the above-described configuration, as described above, earthquake-resistant reinforcement can be efficiently performed indoors without removing the ceiling material 34 and the floor material 35. At the same time, it is necessary to design the intermediate part of the column 31 on the premise that a bending moment is generated at the height position of the support rail 15 to which the upper end of the reinforcing panel 17 is joined in the column 31 in particular. Preferably, if there are existing hardware, piping, wiring, or other obstacles in construction below the upper horizontal member 32, the limitations due to these obstacles are eliminated. It is possible to easily design a seismically reinforced wall with a high bearing capacity without being affected by it.

That is, according to the present embodiment, the ceiling reinforcing panel 12, the upper square timber 13, and the pair of side square timbers 14 are placed in a state in which the upper part is arranged in the ceiling pocket 30a in each wall section 37 of the wall skeleton 30. The ceiling reinforcement member 11 is attached in a state in which both side edge portions are jointed and fixed to the pillar 31 or the stud 26 via the side square member 14, and the upper end portion of the reinforcing surface member 17 is integrally joined The receiving beams 15 are bridged over the side square timbers 14 on both sides at the same height, and are attached by joining and fixing to the pillars 31 or the studs 26 with the side square timbers 14 interposed. It is possible to effectively reinforce the joint portion between the receiving bar 15 and the column 31 by the roof groin reinforcing member 11 so that a moment does not occur. In addition, as a result, a ceiling pocket 30a, which is an opening of a considerable size, is formed between the upper horizontal member 32 of the wall skeleton 30 and the receiving beam 15 and the ceiling member 34 arranged below it. Because it is left as it is, it is necessary to design on the premise that, for example, when an earthquake load is received, a bending moment will be generated at the joint portion of the intermediate portion of the column 31 with the receiving rail 15. Preferably, if there are existing hardware, piping, wiring, or other obstacles in construction below the upper horizontal member 32, these It is possible to eliminate the restriction due to obstacles and to easily design a seismically reinforced wall with high bearing strength.

It should be noted that the present invention is not limited to the above embodiments, and various modifications are possible. For example, it is not always necessary to attach corner metal fittings to the inner portions of the corners between the upper square members and the side square members in the ceiling pocket reinforcing member. The inside of the wall frame does not necessarily have to be partitioned into four wall sections by studs, and may be partitioned into two wall sections as shown in FIG. 6(a). As shown in FIG. 6(b), the inside of the wall frame does not have to be partitioned by studs, and the ceiling reinforcement members are joined and fixed at the side edges on both sides to a pair of pillars to form a single wall. Only the ceiling pocket reinforcing member may be attached. The reinforcing face member does not necessarily have to be formed by integrating a plurality of unit reinforcing face members via connecting bars, and may be made of a single face member. The building whose wall frame is reinforced by the earthquake-resistant reinforced wall structure of the present invention may be a one-story building or a building of three or more stories other than a two-story wooden residential building, and includes a wooden wall frame. , it may be a building other than a wooden structure.

10 Seismic reinforcement wall structure 11 Ceiling groin reinforcing member 12 Ceiling reinforcement panel 13 Upper square timber 14 Side square timber 15 Receiving bar 16 Corner hardware 16a Connecting plate 16b Joining plate 16c Fastening hole 17 Reinforcing panel 17a Unit reinforcing panel 20 lower receiving bar 21 connecting bar 22 lower corner hardware 22a connecting plate part 22b joining plate part 22c fastening hole 30 wall skeleton 30a ceiling pocket 31 pillar 32 upper horizontal member 33 lower horizontal member 34 ceiling material 35 floor material 36 stud 37 wall compartment

Claims (5)

A wall frame that includes a pair of adjacent pillars and upper and lower horizontal members that span the upper and lower ends of the pair of pillars, leaving ceiling materials and floor materials. An earthquake-resistant reinforced wall structure that can be reinforced by work from indoors while it is still in place,
In the portion between the ceiling material and the floor material, and the ceiling material and the floor material. , and a rectangular reinforcing panel mounted across the pair of pillars,
The ceiling reinforcement member includes a rectangular ceiling reinforcing panel, an upper square member attached to the edge along the upper side of the ceiling reinforcing panel, and along both sides of the ceiling reinforcing panel. and a pair of side squares attached to the edges;
The ceiling reinforcement member is attached by joining and fixing the side edges on both sides to the pillars via the side square timbers, and via the crosspieces bridged over the side square timbers on both sides, An earthquake-resistant reinforced wall structure that is integrally joined to the upper end portion of the reinforcing face member in a portion below the ceiling member. Corner hardware is attached to each of the inner corner portions on both sides of the upper square timber and the side square timber in the ceiling groin reinforcing member, with both ends joined to the upper square timber and the side square timber. The seismically reinforced wall structure according to claim 1. The inside of the wall frame is partitioned into a plurality of wall sections by studs spanning between the upper horizontal member and the lower horizontal member. In the arranged state, the plurality of ceiling reinforcement members are attached by joining and fixing the side edge portions on both sides to the pillars or studs via the side square timbers, and are attached to the side square timbers on both sides. 3. The earthquake-resistant reinforced wall structure according to claim 1 or 2, wherein a portion below the ceiling material is integrally joined to the upper end portion of the reinforcing face member via the support bar that is bridged at the same height. . The reinforcing surface material is formed by arranging a plurality of vertically divided unit reinforcing surface materials in series in the vertical direction. The lower end portion is joined to a connecting bar that spans the pair of pillars on both sides, so that the reinforcing face material is formed by integrating a plurality of the unit reinforcing face materials via the connecting bar. The earthquake-resistant reinforced wall structure according to any one of claims 1 to 3, wherein The lower end portion of the reinforcing surface material is joined to a lower receiving rail that is bridged between the pair of pillars with a space above the flooring material, and a space between the flooring material and the lower receiving rail is provided. A lower corner metal fitting is attached to each of the inner corner portions of the lower receiving rail and the pair of the pillars or studs in the space portion, with both ends joined to the lower receiving rail and the pillars or studs. The earthquake-resistant reinforced wall structure according to any one of claims 1 to 4, wherein

Images