JP2013217118A - Brace structure of wooden building and seismic strengthening structure of existing wooden building - Google Patents

Brace structure of wooden building and seismic strengthening structure of existing wooden building Download PDF

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JP2013217118A
JP2013217118A JP2012089419A JP2012089419A JP2013217118A JP 2013217118 A JP2013217118 A JP 2013217118A JP 2012089419 A JP2012089419 A JP 2012089419A JP 2012089419 A JP2012089419 A JP 2012089419A JP 2013217118 A JP2013217118 A JP 2013217118A
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wooden building
bracing
mounting bracket
pillar
brace
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Tomiya Takatani
富也 高谷
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KAWASHIMA KENSETSU KK
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KAWASHIMA KENSETSU KK
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B2001/2696—Shear bracing

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  • Working Measures On Existing Buildindgs (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a brace structure which can reduce a construction period and can be constructed at a low cost by reducing worker's labor for carrying and handling a brace and a mounting fitting used in the brace structure.SOLUTION: A brace structure includes a carbon fiber brace 17 which is formed in a flat band shape, and mounting fittings 18 each of which is bonded to the end of the brace 17 to mount the end to a column 13, a beam 14, or a sill 15 of a wooden building. The end of the brace 17 and the mounting fitting 18 are bonded to each other by an adhesive 25, and the brace 17 is arranged so that its flat surface is parallel to an exterior wall part 22 installed on the column 13, the beam 14, or the sill 15 to which the brace 17 is mounted.

Description

本発明は、例えば既存木造建物を補強するための筋交い構造及びその構造を備える既存木造建物の耐震補強構造に関する。   The present invention relates to a bracing structure for reinforcing an existing wooden building, for example, and an earthquake-proof reinforcing structure for an existing wooden building having the structure.

従来の木造建物の筋交い構造１としては、図１３に示すように、柱２、２と梁３と土台４とで形成された矩形の架構５内に鋼製の筋交い６を設けて、木造建物の剛性と耐力を大きくしたものがある。（例えば、特許文献１参照。）。   As shown in FIG. 13, a conventional wooden building bracing structure 1 is provided with a steel bracing 6 in a rectangular frame 5 formed by columns 2, 2, a beam 3, and a base 4, and a wooden building. There are those with increased rigidity and yield strength. (For example, refer to Patent Document 1).

この架構５には、横架材７と間柱８が設けられている。横架材７は、架構５の中央に水平に設けられている。そして、間柱８は、横架材７の上方と下方とにそれぞれ鉛直方向に設けられている。このようにして、大きな矩形の架構５内に小さな４つの矩形の構造体が形成されている。そして、筋交い６の各端部は、これら小さな４つの矩形の構造体の各隅角部に取り付けられた取付け金具９にボルトで結合されている。また、取付け金具９は、柱２や梁３の内面に対して木ねじで取り付けられている。   The frame 5 is provided with a horizontal member 7 and a stud 8. The horizontal member 7 is provided horizontally at the center of the frame 5. The inter-columns 8 are provided in the vertical direction above and below the horizontal member 7, respectively. In this way, four small rectangular structures are formed in the large rectangular frame 5. Then, each end of the brace 6 is connected to a mounting bracket 9 attached to each corner of these four small rectangular structures with bolts. Further, the mounting bracket 9 is attached to the inner surfaces of the pillar 2 and the beam 3 with wood screws.

特開２０１２−５７４４７号公報JP 2012-57447 A

しかし、図１３に示す従来の木造建物の筋交い構造１では、筋交い６を鋼製としたので、筋交い６の重量が大きくなり、しかも巻き取ったり折り畳むことができないので、嵩張ってしまい、そのために、作業者が筋交い６を運搬したり取扱うための労力の負担が大きくなる。   However, in the bracing structure 1 of the conventional wooden building shown in FIG. 13, since the bracing 6 is made of steel, the weight of the bracing 6 increases, and it cannot be wound up or folded, so it becomes bulky. The burden of the labor for an operator to carry and handle the brace 6 becomes large.

そして、筋交い６の端部と取付け金具９とが互いにボルトで結合される構成としたので、この点でもそのボルトの分だけ重量が大きくなり、しかも嵩張るので、作業者がこれらを運搬したり取扱うための労力の負担が大きくなる。よって、工期が長くなり費用も嵩むことになる。   And since it was set as the structure which the edge part of the brace 6 and the attachment metal fitting 9 were mutually connected with the volt | bolt, since the weight will increase only by the part of the volt | bolt also in this point, and an operator carries and handles these. This increases the burden of labor. Therefore, the construction period becomes longer and the cost increases.

また、図１３に示す筋交い構造１に代えて、矩形の架構５内に鋼製棒状の筋交いを２つの対角線上に合計２本配置して、筋交いの各端部を、架構５の４つの各隅角部に取り付けられた取付け金具９にボルトで結合することを考えると、筋交いと、間柱８や横架材７とが互いに交差する部分で接触することがある。このような場合は、筋交いの剛性が大きく嵩張るものであるので、当該間柱８や横架材７の筋交いが交差する部分に切込み部を形成する必要があり、従って、当該木造建物の筋交い構造１の施工の工期が長くなり費用も嵩むことになる。   Further, instead of the bracing structure 1 shown in FIG. 13, a total of two steel bar-like bracings are arranged on two diagonal lines in a rectangular frame 5, and each end of the bracing is connected to each of the four ribs of the frame 5. Considering that it is connected to the mounting bracket 9 attached to the corner portion with a bolt, there is a case where the brace and the intermediate pillar 8 and the horizontal member 7 come into contact with each other at the intersecting portion. In such a case, since the rigidity of the bracing is large and bulky, it is necessary to form a cut portion at a portion where the bracing of the inter-column 8 and the horizontal member 7 intersects, and therefore the bracing structure 1 of the wooden building. The construction period will be longer and the cost will be higher.

更に、図１３に示す木造建物の筋交い構造１を架構５の外側に施工するときは、この架構５の外表面に設けられている例えば外壁部や内壁部（内装材）を撤去する必要が有り、当該施工が大がかりとなり、費用が嵩むという問題がある。   Furthermore, when the bracing structure 1 of the wooden building shown in FIG. 13 is constructed outside the frame 5, it is necessary to remove, for example, the outer wall and the inner wall (interior material) provided on the outer surface of the frame 5. There is a problem that the construction becomes large and costs increase.

本発明は、上記のような課題を解決するためになされたものであり、作業者が筋交い構造に使用される筋交い及び取付け金具を運搬したり取扱うための労力を軽減して、工期を短縮すると共に施工を廉価で行うことができる木造建物の筋交い構造及び既存木造建物の耐震補強構造を提供することを目的としている。   The present invention has been made to solve the above-described problems, and reduces the labor for the operator to transport and handle the braces and fittings used in the brace structure, thereby shortening the construction period. At the same time, the object is to provide a bracing structure of a wooden building and an earthquake-proof reinforcement structure of an existing wooden building that can be constructed at low cost.

本発明に係る木造建物の筋交い構造は、平帯状に形成された炭素繊維製の筋交いと、
前記筋交いの端部と結合し、当該端部を木造建物の柱、梁、又は土台に取り付けるための取付け金具とを備え、前記筋交いの端部と前記取付け金具とが互いに接着剤で結合され、かつ、前記筋交いは、その平らな面が当該筋交いが取り付けられる前記柱、梁、又は土台に設けられる壁部と平行して配置されていることを特徴とするものである。 The bracing structure of the wooden building according to the present invention is a bracing made of carbon fiber formed in a flat band shape,
It is coupled with the end of the brace, and includes an attachment for attaching the end to a pillar, beam, or foundation of a wooden building, and the end of the brace and the attachment are coupled to each other with an adhesive, The bracing is characterized in that its flat surface is arranged in parallel with a wall portion provided on the pillar, beam, or base to which the bracing is attached.

本発明に係る木造建物の筋交い構造によると、筋交いが平帯状に形成された炭素繊維製としたので、筋交いの重量が軽量となり、しかも例えば巻き取って嵩張らないようにできるので、作業者が筋交いを運搬したり取扱うための労力を軽減できる。そして、筋交いの端部と取付け金具とが互いに接着剤で結合される構成としたので、筋交いの端部と取付け金具とを互いに結合するためのボルトが不要であり、この点でもそのボルトの分だけ重量が軽量となり、しかも嵩張らないので、作業者がこれらを運搬したり取扱うための労力を軽減できる。   According to the bracing structure of the wooden building according to the present invention, since the bracing is made of carbon fiber formed in a flat band shape, the weight of the bracing becomes light, and for example, it can be wound up so that it is not bulky. Can reduce the labor for transporting and handling. Since the brace end and the mounting bracket are coupled to each other with an adhesive, a bolt for coupling the brace end and the mounting bracket to each other is not necessary. Since the weight is only light and it is not bulky, the labor for carrying and handling these can be reduced.

そして、平帯状に形成された筋交いの平らな面が、当該筋交いが取り付けられる柱、梁、又は土台に設けられる壁部と平行して配置されるので、この筋交い構造が施工された状態で筋交い自体が嵩張らないようにすることができる。従って、この筋交い構造を木造建物内の柱と柱の間に施工する場合は、筋交い及び取付け金具が室内側に出っ張らないようにすることができ、これによって、建物内のスペースを有効に使用することができる。そして、この筋交い構造を木造建物の外壁部に施工する場合は、筋交い自体が嵩張らないので、見栄えがよい。   Since the flat surface of the bracing formed in a flat band shape is arranged in parallel with the wall provided on the pillar, beam, or foundation to which the bracing is attached, the bracing is performed with this bracing structure being constructed. It can prevent itself from being bulky. Therefore, when this bracing structure is constructed between pillars in a wooden building, the bracing and mounting brackets can be prevented from protruding to the indoor side, thereby effectively using the space in the building. be able to. And when constructing this bracing structure on the outer wall of a wooden building, the bracing itself is not bulky, so it looks good.

この発明に係る木造建物の筋交い構造において、前記取付け金具は、切欠き部が形成され、当該切欠き部に前記筋交いの端部が配置されるスペーサと、前記スペーサを外側から間に挟み込んで当該スペーサと結合する２つの外側部材とを有し、前記筋交いの端部が、前記スペーサ及び前記２つの外側部材に接着剤で結合されているものとするとよい。   In the bracing structure of the wooden building according to the present invention, the mounting bracket includes a spacer in which a notch portion is formed, and an end portion of the bracing is arranged in the notch portion, and the spacer is sandwiched from outside. It is good to have two outer members couple | bonded with a spacer, and the edge part of the said braces is couple | bonded with the said spacer and the said two outer members with the adhesive agent.

このようにすると、平帯状に形成された筋交いの端部の平らな両方の各面と、２つの外側部材の各内側面とを接着剤で接着することができる。よって、筋交いの端部と取付け金具との間で広い接着面積を確保することができ、両者を強力に結合することができる。   If it does in this way, each flat surface of the edge part of the bracing formed in flat band shape and each inner surface of two outer members can be adhere | attached with an adhesive agent. Therefore, a wide adhesion area can be ensured between the end portion of the brace and the mounting bracket, and both can be strongly coupled.

この発明に係る木造建物の筋交い構造において、前記取付け金具は、板状部材であり、当該取付け金具に形成された取付け孔に挿通する締結具によって、前記柱、梁、又は土台における前記壁部と平行する外面に取り付けられるものとするとよい。   In the bracing structure of the wooden building according to the present invention, the mounting bracket is a plate-shaped member, and the wall portion in the column, beam, or base is fastened by a fastener that is inserted into a mounting hole formed in the mounting bracket. It may be attached to parallel outer surfaces.

このように、取付け金具を、柱、梁、又は土台における壁部と平行する外面に取り付けるようにすると、柱と柱との間に設けられている間柱と筋交いとが互いに交差する部分で接触しないようにすることができる。よって、当該間柱の筋交いが交差する部分に切込み部を形成する必要がなく、従って、当該木造建物の筋交い構造の施工を短期間に廉価で行うことができる。   As described above, when the mounting bracket is attached to the outer surface parallel to the wall portion of the pillar, beam, or base, the contact between the pillar and the brace provided between the pillar and the pillar does not contact each other. Can be. Therefore, it is not necessary to form a notch in the part where the bracing of the studs intersects. Therefore, the bracing structure of the wooden building can be constructed at a low cost in a short time.

この発明に係る木造建物の筋交い構造において、前記取付け金具は、板状の金具本体部と、この金具本体部と直交するように設けられている取付け部とを有し、前記取付け部に形成された取付け孔に挿通する締結具によって、当該取付け金具が、前記柱、梁、又は土台における前記壁部と直交する内面に取り付けられるものとするとよい。   In the bracing structure of the wooden building according to the present invention, the mounting bracket has a plate-shaped bracket main body portion and a mounting portion provided so as to be orthogonal to the bracket main body portion, and is formed in the mounting portion. The mounting bracket may be attached to the inner surface of the column, beam, or base perpendicular to the wall portion by a fastener inserted into the mounting hole.

このように、取付け金具を、柱、梁、又は土台における壁部（内装材）と直交する内面に取り付けるようにすると、当該木造建物の筋交い構造を、例えば柱と柱との間の空間に設けることができる。よって、当該木造建物の筋交い構造を、柱の外面に取り付けられる壁部によって覆うことができ、当該筋交い構造が外側から見えないようにして見栄えの良いようにすることができる。   In this way, when the mounting bracket is attached to the inner surface orthogonal to the wall (interior material) in the pillar, beam, or foundation, the bracing structure of the wooden building is provided in the space between the pillar and the pillar, for example. be able to. Therefore, the bracing structure of the wooden building can be covered with the wall portion attached to the outer surface of the pillar, and the bracing structure can be made invisible so as not to be seen from the outside.

この発明に係る木造建物の筋交い構造において、前記取付け金具は、台座を介して前記柱、梁、又は土台に取り付けられ、前記台座の高さは、前記柱、梁、又は土台の前記外面に設けられている外壁部の厚みよりも大きい寸法であるものとするとよい。   In the bracing structure of the wooden building according to the present invention, the mounting bracket is attached to the pillar, beam, or base via a base, and the height of the base is provided on the outer surface of the pillar, beam, or base. It is preferable that the dimension is larger than the thickness of the outer wall portion.

このように、取付け金具を、台座を介して柱、梁、又は土台に取り付けるようにすると、柱、梁、又は土台の前記外面に外壁部が設けられている場合、その外壁部のうち台座が配置される部分を撤去するだけで、この木造建物の筋交い構造を柱、梁、又は土台に取り付けることができる。よって、当該木造建物の筋交い構造の施工を短期間に廉価で行うことができる。   As described above, when the mounting bracket is attached to the column, beam, or base via the pedestal, when the outer wall portion is provided on the outer surface of the column, beam, or base, the pedestal of the outer wall portion is The bracing structure of this wooden building can be attached to a pillar, beam or foundation simply by removing the part to be arranged. Therefore, construction of the bracing structure of the wooden building can be performed at a low cost in a short time.

この発明に係る木造建物の筋交い構造において、前記筋交いの厚みは、１〜２ｍｍであるものとするとよい。   In the bracing structure of the wooden building according to the present invention, the bracing thickness is preferably 1 to 2 mm.

このように、平帯状に形成された炭素繊維製の筋交いは、その厚みが１〜２ｍｍであるので、重量が軽量であり、しかも嵩張らないので、作業者が筋交いを運搬したり取扱うための労力を軽減できる。そして、筋交いによって建物の外側又は室内側に出っ張るスペースを小さくすることができるし、出っ張らないようにもすることができるので、見栄えがよいし、建物内のスペースを有効に使用することができる。   Thus, since the bracing made of carbon fiber formed in a flat belt shape has a thickness of 1 to 2 mm, the weight is light and it is not bulky, so the labor for carrying and handling the bracing Can be reduced. The space protruding outside or indoors of the building can be reduced by bracing, and it can be prevented from protruding, so that it looks good and the space in the building can be used effectively.

本発明に係る既存木造建物の耐震補強構造は、本発明に係る木造建物の筋交い構造を備えることを特徴とするものである。   The seismic reinforcement structure for an existing wooden building according to the present invention is characterized by including the bracing structure for a wooden building according to the present invention.

本発明に係る既存木造建物の耐震補強構造は、本発明に係る木造建物の筋交い構造を備えており、当該木造建物の筋交い構造は、上記と同様の作用を奏する。   The seismic reinforcement structure of an existing wooden building according to the present invention includes the bracing structure of the wooden building according to the present invention, and the bracing structure of the wooden building exhibits the same action as described above.

本発明に係る既存木造建物の耐震補強工法は、平帯状に形成された炭素繊維製の筋交いと、前記筋交いの端部と結合し、当該端部を木造建物の柱、梁、又は土台に取り付けるための取付け金具と、前記取付け金具と、前記柱、梁、又は土台との間に配置され、前記柱、梁、又は土台に取り付けられる複数の筒状の台座とを備え、前記取付け金具に形成された複数の各取付け孔に挿通し、かつ、前記複数の各台座の内孔に設けられた雌ねじ部に螺合する複数の締結具によって、当該取付け金具を、前記柱、梁、又は土台に取り付ける既存木造建物の耐震補強工法において、前記複数の各台座を、テンプレートを使用して位置決めして前記柱、梁、又は土台に取り付ける段階と、前記柱、梁、又は土台に取り付けられた前記複数の台座に、前記取付け金具を前記複数の締結具で取り付ける段階とを備えることを特徴とするものである。   The seismic reinforcement method for an existing wooden building according to the present invention is a carbon fiber brace formed in a flat belt shape and joined to the end of the brace, and the end is attached to a pillar, beam or foundation of the wooden building A mounting bracket for mounting, and a plurality of cylindrical pedestals that are disposed between the mounting bracket and the column, beam, or base, and are attached to the column, beam, or base, and formed on the mounting bracket The mounting bracket is attached to the column, beam, or base by a plurality of fasteners that are inserted into the plurality of mounting holes and screwed into the female screw portions provided in the inner holes of the plurality of bases. In the seismic reinforcement method for an existing wooden building to be attached, the plurality of pedestals are positioned using a template and attached to the pillar, beam, or foundation, and the plurality of pedestals attached to the pillar, beam, or foundation. On the base of the It is characterized in further comprising a step of mounting the only fitting in said plurality of fasteners.

この既存木造建物の耐震補強工法によると、まず、複数の各台座を、テンプレートを使用して位置決めして柱、梁、又は土台に取り付ける。次に、柱、梁、又は土台に取り付けられた複数の台座に、取付け金具を複数の締結具で取り付ける。このようにして、取付け金具を、複数の台座を介して柱、梁、又は土台に取り付けることができる。   According to the seismic reinforcement method for an existing wooden building, first, a plurality of pedestals are positioned using a template and attached to a column, beam, or foundation. Next, attachment brackets are attached to a plurality of pedestals attached to a pillar, a beam, or a base with a plurality of fasteners. In this way, the mounting bracket can be attached to the pillar, beam, or base via a plurality of pedestals.

本発明に係る木造建物の筋交い構造及び既存木造建物の耐震補強構造によると、作業者が当該筋交い構造に使用される筋交い及び取付け金具を運搬したり取扱うための労力を軽減できるので、工期を短縮することができ、施工を廉価で行うことができる。そして、この木造建物の筋交い構造を施工した後の木造建物は、その外観や居住者等に与える影響が少なく、耐久性に優れている。   According to the bracing structure of the wooden building and the seismic reinforcement structure of the existing wooden building according to the present invention, the labor for transporting and handling the bracing and mounting brackets used for the bracing structure can be reduced, thereby shortening the construction period. The construction can be performed at low cost. And the wooden building after constructing the bracing structure of this wooden building has little influence on the external appearance, a resident, etc., and is excellent in durability.

本発明に係る既存木造建物の耐震補強工法によると、複数の各台座をテンプレートで位置決めして柱、梁、又は土台に取り付けるようにしているので、この補強工事を設計通りに正確に、しかも短期間で行うことができる。   According to the seismic reinforcement method for an existing wooden building according to the present invention, each pedestal is positioned with a template and attached to a pillar, beam, or foundation, so this reinforcement work is performed exactly as designed and in a short period of time. Can be done between.

この発明の第１実施形態に係る既存建物の耐震補強構造を示す正面図である。It is a front view which shows the seismic reinforcement structure of the existing building which concerns on 1st Embodiment of this invention. 図１に示す同耐震補強構造に使用されている木造建物の筋交い構造を示す部分拡大正面図である。It is a partial enlarged front view which shows the bracing structure of the wooden building used for the seismic reinforcement structure shown in FIG. 図２に示す同木造建物の筋交い構造を示すＡ−Ａ部分拡大断面図である。It is an AA partial expanded sectional view which shows the bracing structure of the same wooden building shown in FIG. 図２及び図３に示す同木造建物の筋交い構造に使用されている金具を示す図であり、（ａ）は、第１外側部材の正面図、（ｂ）は、第２外側部材の正面図、（ｃ）は、スペーサの正面図である。It is a figure which shows the metal fitting used for the bracing structure of the same wooden building shown in FIG.2 and FIG.3, (a) is a front view of a 1st outer member, (b) is a front view of a 2nd outer member. (C) is a front view of a spacer. 図２及び図３に示す同木造建物の筋交い構造に使用されている台座を示す図であり、（ａ）は、台座の正面図、（ｂ）は、台座の側面図である。It is a figure which shows the base used for the bracing structure of the same wooden building shown in FIG.2 and FIG.3, (a) is a front view of a base, (b) is a side view of a base. 図２及び図３に示す同木造建物の筋交い構造に使用されている台座を柱等に取り付けるときに使用するテンプレートを示す正面図である。It is a front view which shows the template used when attaching the base used for the bracing structure of the same wooden building shown in FIG.2 and FIG.3 to a pillar etc. FIG. 図６に示すテンプレートを使用して台座を柱等に取り付けている状態を示す正面図である。It is a front view which shows the state which has attached the base to the pillar etc. using the template shown in FIG. 図７に示すテンプレートを使用して台座を柱等に取り付けている状態を示すＢ−Ｂ部分拡大断面図である。It is a BB partial expanded sectional view which shows the state which has attached the base to the pillar etc. using the template shown in FIG. 同発明の第２実施形態に係る既存建物の耐震補強構造を示す正面図である。It is a front view which shows the seismic reinforcement structure of the existing building which concerns on 2nd Embodiment of the same invention. 図９に示す同耐震補強構造に使用されている木造建物の筋交い構造を示す部分拡大正面図である。It is the elements on larger scale which show the bracing structure of the wooden building used for the seismic reinforcement structure shown in FIG. 図１０に示す同木造建物の筋交い構造を示すＣ−Ｃ部分拡大側面図である。It is CC partial expanded side view which shows the bracing structure of the same wooden building shown in FIG. 図１１に示す同木造建物の筋交い構造に使用されている第２外側部材を示す拡大斜視図である。It is an expansion perspective view which shows the 2nd outer side member used for the bracing structure of the same wooden building shown in FIG. 従来の木造建物の筋交い構造を示す正面図である。It is a front view which shows the bracing structure of the conventional wooden building.

以下、本発明に係る既存木造建物の耐震補強構造の第１実施形態を、図１〜図８を参照して説明する。この既存木造建物の耐震補強構造１１は、図１に示すように、例えば既存木造建物を補強するための木造建物の筋交い構造１２を備えている。この木造建物の筋交い構造１２は、柱１３、１３と梁１４と土台１５とで形成された矩形の架構１６の外面に炭素繊維製の筋交い１７をたすき掛け状に設けて、木造建物の剛性と耐力を大きくするものである。   Hereinafter, a first embodiment of a seismic reinforcement structure for an existing wooden building according to the present invention will be described with reference to FIGS. As shown in FIG. 1, the seismic reinforcement structure 11 for an existing wooden building includes, for example, a bracing structure 12 for a wooden building for reinforcing the existing wooden building. This bracing structure 12 of a wooden building is provided with a bracing 17 made of carbon fiber on the outer surface of a rectangular frame 16 formed by pillars 13 and 13, a beam 14, and a base 15. It increases the yield strength.

筋交い１７の各端部は、図２及び図３に示すように、取付け金具１８に結合しており、この取付け金具１８は、矩形の架構１６の４つの各角部の外面Ｇに取り付けられた例えば３つの台座１９にボルト２０（締結具）で取り付けられている。そして、３つの各台座１９は、柱１３、梁１４、又は土台１５に対して木ねじ２１で取り付けられている。   As shown in FIGS. 2 and 3, each end of the brace 17 is connected to a mounting bracket 18, and this mounting bracket 18 is attached to the outer surface G of each of the four corners of the rectangular frame 16. For example, it is attached to three pedestals 19 with bolts 20 (fasteners). Each of the three pedestals 19 is attached to the pillar 13, the beam 14, or the base 15 with a wood screw 21.

また、図３に示すように、取付け金具１８を、台座１９を介して柱１３等に取り付けているのは、架構１６の外面Ｇには、外壁部２２が設けられており、この外壁部２２よりも外側に筋交い１７及び取付け金具１８を配置する必要があるからである。図３に示す外壁部２２が撤去されている部分２３は、当該木造建物の筋交い構造１２の施工が完了した後に、もとのように修復される。また、この架構１６には、図１に示すように、複数本の間柱２４が互いに間隔を隔てて設けられている。   Further, as shown in FIG. 3, the mounting bracket 18 is attached to the pillar 13 and the like via the pedestal 19 because the outer wall portion 22 is provided on the outer surface G of the frame 16. This is because it is necessary to dispose the braces 17 and the mounting bracket 18 on the outer side. The portion 23 from which the outer wall portion 22 shown in FIG. 3 is removed is restored as before after the construction of the bracing structure 12 of the wooden building is completed. In addition, as shown in FIG. 1, the frame 16 is provided with a plurality of studs 24 spaced apart from each other.

次に、各図を参照して、筋交い１７及び取付け金具１８を備える木造建物の筋交い構造１２を説明する。   Next, with reference to each figure, the bracing structure 12 of the wooden building provided with the bracing 17 and the mounting bracket 18 will be described.

筋交い１７は、図２及び図３に示すように、細長い平帯状に形成され、例えば炭素繊維と合成樹脂（例えばエポキシ系樹脂）との複合材料で形成されている。勿論、筋交い１７は、炭素繊維と合成樹脂との複合材料以外の材料で形成したものとしてもよい。この筋交い１７の厚みは、例えば１〜２ｍｍであり、好ましくは、１．２ｍｍである。   As shown in FIGS. 2 and 3, the brace 17 is formed in an elongated flat belt shape, and is formed of, for example, a composite material of carbon fiber and a synthetic resin (for example, epoxy resin). Of course, the braces 17 may be formed of a material other than a composite material of carbon fiber and synthetic resin. The thickness of the brace 17 is, for example, 1 to 2 mm, and preferably 1.2 mm.

このように、筋交い１７を炭素繊維で形成することによって、筋交い１７の嵩を小さくできて外観に与える影響が少なく、引っ張り強度を大きくすることができ、軽量で施工がし易く、工事期間が短くて済む。   Thus, by forming the brace 17 with carbon fiber, the bulk of the brace 17 can be reduced and the influence on the appearance can be reduced, the tensile strength can be increased, it is lightweight and easy to construct, and the construction period is short. I'll do it.

取付け金具１８は、図２及び図３に示すように、筋交い１７の端部と結合し、当該端部を木造建物の柱１３、梁１４、又は土台１５に取り付けるためのものである。そして、この取付け金具１８と筋交い１７の端部とは、互いに接着剤２５（例えばエポキシ系樹脂）で結合されている。また、取付け金具１８に結合する筋交い１７は、その平らな面が、当該筋交い１７が取り付けられる柱１３、梁１４、又は土台１５に設けられる外壁部２２と平行して配置される。   As shown in FIGS. 2 and 3, the mounting bracket 18 is for coupling to the end portion of the brace 17 and attaching the end portion to the pillar 13, the beam 14, or the base 15 of the wooden building. The mounting bracket 18 and the end of the brace 17 are bonded to each other with an adhesive 25 (for example, epoxy resin). Further, the brace 17 coupled to the mounting bracket 18 has a flat surface arranged in parallel with the outer wall 22 provided on the column 13, the beam 14, or the base 15 to which the brace 17 is attached.

また、この取付け金具１８は、図４（ａ）に示す第１外側部材２６と、図４（ｂ）に示す第２外側部材２７との間に図４（ｃ）に示すスペーサ２８を挟み込んで互いに密着した状態で、これら第１外側部材２６、スペーサ２８、及び第２外側部材２７が多数のリベット２９によって互いに結合している。そして、このスペーサ２８には、Ｕ字形状の切欠き部２８ａが形成され、この切欠き部２８ａに筋交い１７の端部が配置される（図２参照）。そしてこの筋交い１７の端部が、第１及び第２外側部材２６、２７、並びにスペーサ２８に接着剤２５で結合されている。   The mounting bracket 18 has a spacer 28 shown in FIG. 4 (c) sandwiched between a first outer member 26 shown in FIG. 4 (a) and a second outer member 27 shown in FIG. 4 (b). The first outer member 26, the spacer 28, and the second outer member 27 are coupled to each other by a large number of rivets 29 while being in close contact with each other. The spacer 28 is formed with a U-shaped notch 28a, and the end of the brace 17 is disposed in the notch 28a (see FIG. 2). The ends of the brace 17 are bonded to the first and second outer members 26 and 27 and the spacer 28 with an adhesive 25.

筋交い１７の端部を、第１及び第２外側部材２６、２７、並びにスペーサ２８に接着剤２５で結合させるときは、例えばまず、第２外側部材２７の上にスペーサ２８を載置して、このスペーサ２８の切欠き部２８ａ内であって、第２外側部材２７の上面に接着剤２５を塗布すると共に、筋交い１７の端部のそれぞれの平らな面に接着剤２５を塗布する。次に、筋交い１７の端部を切欠き部２８ａ内に配置して、第１及び第２外側部材２６、２７、並びにスペーサ２８をリベット２９で結合する。このとき、切欠き部２８ａ内の接着剤２５が、第１外側部材２６に形成された多数の空気抜き孔３０から流出することを確認することによって、切欠き部２８ａ内の全体に接着剤２５が行き渡っていることを確認することができる。このようにして、筋交い１７の端部を、第１及び第２外側部材２６、２７、並びにスペーサ２８に接着剤２５で強固に結合させることができる。   When bonding the end of the brace 17 to the first and second outer members 26, 27 and the spacer 28 with the adhesive 25, for example, first, the spacer 28 is placed on the second outer member 27, Within the notch 28 a of the spacer 28, the adhesive 25 is applied to the upper surface of the second outer member 27, and the adhesive 25 is applied to each flat surface at the end of the brace 17. Next, the end portion of the brace 17 is disposed in the notch 28 a, and the first and second outer members 26, 27 and the spacer 28 are joined by a rivet 29. At this time, by confirming that the adhesive 25 in the cutout portion 28a flows out from a large number of air vent holes 30 formed in the first outer member 26, the adhesive 25 is applied to the entire cutout portion 28a. You can confirm that you are going around. In this way, the end of the brace 17 can be firmly bonded to the first and second outer members 26, 27 and the spacer 28 with the adhesive 25.

次に、図４（ａ）、（ｂ）、（ｃ）を参照して、第１及び第２外側部材２６、２７、並びにスペーサ２８を説明する。第１及び第２外側部材２６、２７は、略５角形の金属製の平板状部材であり、スペーサ２８は、略Ｌ字状の金属製の平板状部材である。これら第１及び第２外側部材２６、２７、並びにスペーサ２８のそれぞれには、リベット２９が挿通される多数のリベット孔３１が形成されている。そして、第１及び第２外側部材２６、２７、並びにスペーサ２８のそれぞれには、これらで構成される取付け金具１８を、図２に示すように、３つの台座１９に取り付けるための３つの取付け孔３２が形成されている。この３つの取付け孔３２にボルト２０（締結具）を挿通させて、このボルト２０を台座１９の雌ねじ部１９ａに締結することによって、取付け金具１８を、柱１３、梁１４、又は土台１５における外壁部２２と平行する外面Ｇに固定して取り付けることができる。   Next, the first and second outer members 26, 27 and the spacer 28 will be described with reference to FIGS. 4 (a), 4 (b), and 4 (c). The first and second outer members 26 and 27 are substantially pentagonal metal flat members, and the spacers 28 are substantially L-shaped metal flat members. Each of the first and second outer members 26 and 27 and the spacer 28 is formed with a large number of rivet holes 31 through which the rivets 29 are inserted. Each of the first and second outer members 26, 27 and the spacer 28 has three mounting holes for mounting the mounting bracket 18 composed of these on the three bases 19, as shown in FIG. 32 is formed. Bolts 20 (fasteners) are inserted through the three mounting holes 32 and the bolts 20 are fastened to the female screw portions 19 a of the base 19, so that the mounting bracket 18 is attached to the outer wall of the column 13, the beam 14, or the base 15. It can be fixedly attached to the outer surface G parallel to the portion 22.

次に、図５（ａ）、（ｂ）を参照して、台座１９を説明する。台座１９は、この台座１９にボルト２０で取り付けられた取付け金具１８を、柱１３、梁１４、又は土台１５に取り付けるためのものである。台座１９の高さは、柱１３、梁１４、又は土台１５の外面Ｇに設けられている外壁部２２の厚みよりも大きい寸法である。   Next, the pedestal 19 will be described with reference to FIGS. 5 (a) and 5 (b). The pedestal 19 is for attaching the mounting bracket 18 attached to the pedestal 19 with bolts 20 to the column 13, the beam 14, or the base 15. The height of the pedestal 19 is larger than the thickness of the outer wall portion 22 provided on the outer surface G of the column 13, the beam 14, or the base 15.

台座１９は、図５（ａ）、（ｂ）に示すように、円筒状部１９ｂとフランジ部１９ｃとを備えている。この円筒状部１９ｂの内周面には、雌ねじ部１９ａが形成され、この雌ねじ部１９ａにボルト２０（締結具）が螺合される。このボルト２０は、取付け金具１８を台座１９に取り付けるためのものである。   As shown in FIGS. 5A and 5B, the pedestal 19 includes a cylindrical portion 19b and a flange portion 19c. A female screw portion 19a is formed on the inner peripheral surface of the cylindrical portion 19b, and a bolt 20 (fastener) is screwed into the female screw portion 19a. The bolt 20 is for attaching the mounting bracket 18 to the base 19.

フランジ部１９ｃは、円環状の板状部材であり、円筒状部１９ｂの一方の端部の外周面に結合している。このフランジ部１９ｃには、円周方向に沿って、多数の固定孔３３が形成されている。これら多数の固定孔３３には、図３に示すように、例えば木ねじ２１が挿通され、この木ねじ２１を柱１３等にねじ込むことによって、台座１９を柱１３等の外面Ｇに固定して取り付けることができる。   The flange portion 19c is an annular plate-like member and is coupled to the outer peripheral surface of one end portion of the cylindrical portion 19b. A number of fixing holes 33 are formed in the flange portion 19c along the circumferential direction. As shown in FIG. 3, for example, a wood screw 21 is inserted into the plurality of fixing holes 33, and the base 19 is fixedly attached to the outer surface G of the column 13 or the like by screwing the wood screw 21 into the column 13 or the like. Can do.

次に、図６を参照して、テンプレート３４を説明する。テンプレート３４は、複数の例えば３つの各台座１９を位置決めして柱１３、梁１４、又は土台１５に取り付けるためのものである。このテンプレート３４は、略３角形の板状体であり、３つの各角部には、合計３つの位置決め孔３５が形成されている。この３つの各位置決め孔３５は、図４に示す第１外側部材２６に形成されている３つの各取付け孔３２と、大きさ及び孔どうしの位置関係も同一となるように形成されている。   Next, the template 34 will be described with reference to FIG. The template 34 is for positioning a plurality of, for example, three pedestals 19 and attaching them to the column 13, the beam 14, or the base 15. The template 34 is a substantially triangular plate-like body, and a total of three positioning holes 35 are formed at each of the three corners. The three positioning holes 35 are formed so as to have the same size and positional relationship between the three mounting holes 32 formed in the first outer member 26 shown in FIG.

このテンプレート３４を使用して３つの各台座１９を柱１３等に取り付けるときは、例えばまず、図７及び図８に示すように、テンプレート３４の３つの各位置決め孔３５に対して、３つの台座１９をボルト２０で取り付ける。次に、このテンプレート３４に取り付けられた３つの台座１９を、柱１３等の外面Ｇの所定の位置に木ねじ２１で取り付ける。   When using the template 34 to attach the three pedestals 19 to the column 13 or the like, first, for example, as shown in FIGS. 7 and 8, three pedestals are provided for the three positioning holes 35 of the template 34. 19 is attached with bolts 20. Next, the three pedestals 19 attached to the template 34 are attached to the predetermined positions on the outer surface G such as the pillar 13 with the wood screws 21.

そして、３つの台座１９からボルト２０及びテンプレート３４を取り外して、図２及び図３に示すように、取付け金具１８を３つの台座１９にボルト２０で取り付ける。これで台座１９の柱１３等に対する取付けが終了する。これが既存木造建物の耐震補強工法である。   Then, the bolt 20 and the template 34 are removed from the three pedestals 19, and the mounting bracket 18 is attached to the three pedestals 19 with the bolts 20 as shown in FIGS. 2 and 3. This completes the mounting of the pedestal 19 to the column 13 and the like. This is the seismic reinforcement method for existing wooden buildings.

この既存木造建物の耐震補強工法によると、複数の各台座１９をテンプレート３４で位置決めして柱１３、梁１４、又は土台１５に取り付けるようにしているので、この補強工事を設計通りに正確に、しかも短期間で行うことができる。   According to the seismic reinforcement method for this existing wooden building, each of the pedestals 19 is positioned by the template 34 and attached to the column 13, the beam 14, or the base 15. Moreover, it can be performed in a short time.

次に、上記のように構成された既存木造建物の耐震補強構造１１の作用を説明する。この図１〜図３に示す既存木造建物の耐震補強構造１１によると、筋交い１７が平帯状に形成された炭素繊維製としたので、筋交い１７の重量が軽量となり、しかも例えば巻き取って嵩張らないようにできるので、作業者が筋交い１７を運搬したり取扱うための労力を軽減できる。そして、筋交い１７の端部と取付け金具１８とが互いに接着剤２５で結合される構成としたので、筋交い１７の端部と取付け金具１８とを互いに結合するためのボルトが不要であり、この点でもそのボルトの分だけ重量が軽量となり、しかも嵩張らないので、作業者がこれらを運搬したり取扱うための労力を軽減できる。従って、耐震補強構造１１の工期を短縮することができ、施工を廉価で行うことができる。そして、この木造建物の筋交い構造１２を施工した後の木造建物は、その外観や居住者等に与える影響が少なく、耐久性に優れている。   Next, the effect | action of the earthquake-proof reinforcement structure 11 of the existing wooden building comprised as mentioned above is demonstrated. According to the seismic reinforcement structure 11 of the existing wooden building shown in FIGS. 1 to 3, since the brace 17 is made of carbon fiber formed in a flat belt shape, the weight of the brace 17 is light, and for example, it is not wound up and bulky. As a result, the labor required for the operator to carry and handle the braces 17 can be reduced. And since it was set as the structure by which the edge part of the brace 17 and the attachment metal fitting 18 were mutually couple | bonded with the adhesive agent 25, the volt | bolt for couple | bonding the edge part of the brace 17 and the attachment metal fitting 18 mutually is unnecessary, and this point However, the weight is reduced by the amount of the bolt, and it is not bulky, so that the labor for carrying and handling these can be reduced. Therefore, the construction period of the earthquake-proof reinforcement structure 11 can be shortened, and construction can be performed at low cost. And the wooden building after constructing the bracing structure 12 of this wooden building has little influence on the external appearance, a resident, etc., and is excellent in durability.

そして、平帯状に形成された筋交い１７の平らな面が、当該筋交い１７が取り付けられる柱１３、梁１４、又は土台１５に設けられる外壁部２２と平行して配置されるので、この筋交い構造１２が施工された状態で筋交い１７自体が嵩張らないようにすることができる。従って、この筋交い構造１２を木造建物の外壁部２２に対して施工する場合は、筋交い１７自体が嵩張らないので、見栄えがよい。   Since the flat surface of the brace 17 formed in a flat band shape is arranged in parallel with the outer wall 22 provided on the column 13, the beam 14, or the base 15 to which the brace 17 is attached, the bracing structure 12. It is possible to prevent the brace 17 itself from being bulky in a state where the is applied. Therefore, when the bracing structure 12 is constructed on the outer wall portion 22 of the wooden building, the bracing 17 itself is not bulky, so that it looks good.

また、図２に示すように、平帯状に形成された筋交い１７の端部の平らな両方の各面と、２つの第１及び第２外側部材２６、２７の各内側面とを接着剤２５で接着するようにしたので、筋交い１７の端部と取付け金具１８との間で広い接着面積を確保することができ、両者を強力に結合することができる。   Further, as shown in FIG. 2, both the flat surfaces of the ends of the braces 17 formed in a flat band shape and the inner surfaces of the two first and second outer members 26, 27 are bonded to the adhesive 25. Therefore, a wide bonding area can be secured between the end portion of the brace 17 and the mounting bracket 18, and both can be strongly bonded.

更に、図３に示すように、取付け金具１８は、当該取付け金具１８に形成された取付け孔３２に挿通するボルト２０によって、外壁部２２と平行する柱１３、梁１４、又は土台１５の外面Ｇに取り付けられているので、柱１３と柱１３との間に設けられている間柱２４と筋交い１７とが互いに交差する部分で接触しないようにすることができる。よって、当該間柱２４の筋交い１７が交差する部分に切込み部を形成する必要がなく、従って、当該木造建物の筋交い構造１２の施工を短期間に廉価で行うことができる。なお、間柱２４の外面は、柱１３の外面Ｇと同一平面上に位置するように形成されている。   Further, as shown in FIG. 3, the mounting bracket 18 has an outer surface G of the column 13, the beam 14, or the base 15 parallel to the outer wall portion 22 by a bolt 20 inserted through a mounting hole 32 formed in the mounting bracket 18. Therefore, it is possible to prevent the intermediate pillar 24 and the brace 17 provided between the pillar 13 and the pillar 13 from contacting each other at a portion where they intersect each other. Therefore, it is not necessary to form a notch in the portion where the braces 17 of the inter-column 24 intersect, and therefore the construction of the bracing structure 12 of the wooden building can be performed at a low cost in a short time. In addition, the outer surface of the spacer 24 is formed so as to be located on the same plane as the outer surface G of the column 13.

そして、図３に示すように、取付け金具１８を、台座１９を介して柱１３、梁１４、又は土台１５に取り付けているので、柱１３、梁１４、又は土台１５の外面Ｇに設けられている外壁部２２のうち台座１９が配置される部分を撤去するだけで、この木造建物の筋交い構造１２を柱１３、梁１４、又は土台１５に取り付けることができる。よって、当該木造建物の筋交い構造１２の施工を短期間に廉価で行うことができる。   As shown in FIG. 3, since the mounting bracket 18 is attached to the column 13, the beam 14, or the base 15 via the pedestal 19, it is provided on the outer surface G of the column 13, the beam 14, or the base 15. The bracing structure 12 of the wooden building can be attached to the column 13, the beam 14, or the base 15 only by removing the portion where the pedestal 19 is disposed in the outer wall portion 22. Therefore, the construction of the bracing structure 12 of the wooden building can be performed at a low cost in a short time.

また、平帯状に形成された炭素繊維製の筋交い１７は、その厚みが１〜２ｍｍ、好ましくは、１．２ｍｍとしたので、重量が軽量であり、しかも嵩張らないので、作業者が筋交い１７を運搬したり取扱うための労力を軽減できる。そして、筋交い１７によって建物の外側に出っ張るスペースを小さくすることができるので、見栄えがよい。   Further, the carbon fiber brace 17 formed in a flat belt shape has a thickness of 1 to 2 mm, preferably 1.2 mm, so that the weight is light and not bulky. The labor for carrying and handling can be reduced. And since the space which protrudes outside the building by the brace 17 can be made small, it looks good.

更に、図１に示す４つの取付け金具１８は、柱１３と梁１４、柱１３と土台１５の両方に跨って台座１９を介して木ねじ２１で取り付けられているので、この取付け金具１８自体によっても、木造建物の剛性と耐力を大きくする。   Furthermore, since the four mounting brackets 18 shown in FIG. 1 are mounted with wood screws 21 via the pedestal 19 across both the columns 13 and 14 and the columns 13 and the base 15, the mounting brackets 18 themselves are also used. Increase the rigidity and proof strength of wooden buildings.

次に、本発明に係る既存木造建物の耐震補強構造の第２実施形態を、図９〜図１１を参照して説明する。この図９に示す第２実施形態と、図１に示す第１実施形態とが相違するところは、図１に示す第１実施形態では、取付け金具１８が矩形の架構１６の４つの各角部の外面Ｇに取り付けられているのに対して、図９に示す第２実施形態では、取付け金具３７が矩形の架構１６の４つの各隅角部の内面Ｎに取り付けられているところである。   Next, 2nd Embodiment of the earthquake-proof reinforcement structure of the existing wooden building which concerns on this invention is described with reference to FIGS. The second embodiment shown in FIG. 9 is different from the first embodiment shown in FIG. 1 in that the first embodiment shown in FIG. In the second embodiment shown in FIG. 9, the mounting bracket 37 is attached to the inner surfaces N of the four corners of the rectangular frame 16.

つまり、図１に示す第１実施形態の既存木造建物の耐震補強構造１１は、取付け金具１８及び筋交い１７が架構１６の外側に露出して設けられているので、木造建物の外壁部２２に対して設ける場合に適している。   That is, the seismic reinforcement structure 11 for the existing wooden building according to the first embodiment shown in FIG. 1 is provided with the mounting bracket 18 and the brace 17 exposed outside the frame 16, so that the outer wall 22 of the wooden building Suitable for installation.

これに対して、図９に示す第２実施形態の既存木造建物の耐震補強構造３８は、取付け金具３７及び筋交い１７が架構１６の内側に収容されているので、木造建物内に設けられている内壁部３９（内装材）に対して設ける場合に適している（図１１参照）。   On the other hand, the seismic reinforcement structure 38 of the existing wooden building of the second embodiment shown in FIG. 9 is provided in the wooden building because the mounting bracket 37 and the brace 17 are accommodated inside the frame 16. It is suitable when it is provided for the inner wall 39 (interior material) (see FIG. 11).

また、第１実施形態と第２実施形態とでは、取付け金具１８と３７とが相違する。つまり、第２実施形態の取付け金具３７は、その第２外側部材４０が図１２に示すように、板状の金具本体部４１と、この金具本体部４１と直交するように設けられている第１及び第２取付け部４２、４３とを有している。そして、この第１及び第２取付け部４２、４３どうしも、互いに直交するように設けられ、これら第１及び第２のそれぞれの取付け部４２、４３には、複数の取付け孔４４が形成されている。   Further, the mounting brackets 18 and 37 are different between the first embodiment and the second embodiment. That is, in the mounting bracket 37 of the second embodiment, the second outer member 40 is provided so that the plate-shaped bracket body 41 and the bracket body 41 are orthogonal to each other as shown in FIG. 1 and second attachment portions 42 and 43. The first and second attachment portions 42 and 43 are provided so as to be orthogonal to each other, and a plurality of attachment holes 44 are formed in the first and second attachment portions 42 and 43, respectively. Yes.

なお、図１２に示す第２実施形態の第２外側部材４０の金具本体部４１は、図４（ｂ）に示す第１実施形態の第２外側部材２７と同等の形状であり、多数のリベット孔３１が形成されている。ただし、金具本体部４１には、取付け孔３２は形成されてはいない。これ以外は、第１実施形態と同等であり、同等部分を同一の図面符号で示し、それらの説明を省略する。   Note that the metal fitting main body 41 of the second outer member 40 of the second embodiment shown in FIG. 12 has the same shape as the second outer member 27 of the first embodiment shown in FIG. A hole 31 is formed. However, the attachment hole 32 is not formed in the metal fitting main body 41. Other than this, the second embodiment is the same as the first embodiment, and the equivalent parts are denoted by the same reference numerals, and the description thereof is omitted.

この第２実施形態の４つの各取付け金具３７は、図９〜図１１に示すように、柱１３、梁１４、又は土台１５における内壁部３９（内装材）と直交する内面Ｎに配置される。そして、このように配置された状態で、第１及び第２取付け部４２、４３に形成された各取付け孔４４に挿通する木ねじ４５（締結具）によって、当該取付け金具３７が、柱１３等の内面Ｎに取り付けられる。   As shown in FIGS. 9 to 11, each of the four mounting brackets 37 of the second embodiment is disposed on an inner surface N orthogonal to the inner wall 39 (interior material) of the pillar 13, the beam 14, or the base 15. . And in the state arrange | positioned in this way, the said attachment metal fitting 37 is pillar 13 grade | etc., With the wood screw 45 (fastener) penetrated to each attachment hole 44 formed in the 1st and 2nd attachment parts 42 and 43. It is attached to the inner surface N.

このように、取付け金具３７を、柱１３、梁１４、又は土台１５における内壁部３９と直交する内面Ｎに取り付けるようにすると、当該木造建物の筋交い構造４６を、図１１に示すように、例えば柱１３と柱１３との間の空間４７に設けることができる。よって、当該木造建物の筋交い構造４６を、柱１３の外面Ｇに取り付けられる内壁部３９によって覆うことができ、当該筋交い構造４６が外側から見えないようにして見栄えの良いようにすることができる。   Thus, when the mounting bracket 37 is mounted on the inner surface N orthogonal to the inner wall 39 of the pillar 13, the beam 14, or the base 15, the bracing structure 46 of the wooden building is, for example, as shown in FIG. It can be provided in the space 47 between the pillars 13 and 13. Therefore, the bracing structure 46 of the wooden building can be covered by the inner wall portion 39 attached to the outer surface G of the column 13, and the bracing structure 46 can be made invisible so as not to be seen from the outside.

また、図１１に示すように、筋交い構造４６を木造建物内の柱１３と柱１３との間に施工する場合は、筋交い１７や取付け金具３７が室内側に出っ張らないようにして建物内のスペースを有効に使用することができるし、間柱２４に切込みを形成しないでも筋交い１７を張り渡すことができる。   As shown in FIG. 11, when the bracing structure 46 is constructed between the pillar 13 and the pillar 13 in the wooden building, the bracing 17 and the mounting bracket 37 are not protruded to the indoor side so that the space in the building Can be used effectively, and the brace 17 can be stretched without forming a notch in the stud 24.

ただし、上記第１実施形態では、図３に示すように、取付け金具１８を、台座１９を介して柱１３等の外面Ｇに取り付けたが、外壁部２２が設けられていない場合は、取付け金具１８を直接に柱１３等の外面Ｇに取り付けることができる。この場合、取付け金具１８を例えば木ねじによって柱１３等に取り付けることができる。   However, in the first embodiment, as shown in FIG. 3, the mounting bracket 18 is mounted on the outer surface G of the pillar 13 or the like via the pedestal 19, but when the outer wall portion 22 is not provided, the mounting bracket 18 can be directly attached to the outer surface G of the pillar 13 or the like. In this case, the mounting bracket 18 can be attached to the pillar 13 or the like with a wood screw, for example.

そして、上記実施形態では、本発明を既存木造建物に適用したが、これに代えて、新規木造建物に適用することができる。   And in the said embodiment, although this invention was applied to the existing wooden building, it can replace with this and can be applied to a new wooden building.

以上のように、本発明に係る木造建物の筋交い構造及び既存木造建物の耐震補強構造は、作業者が筋交い構造に使用される筋交い及び取付け金物を運搬したり取扱うための労力を軽減して、工期を短縮すると共に施工を廉価で行うことができる優れた効果を有し、このような木造建物の筋交い構造及び既存木造建物の耐震補強構造に適用するのに適している。   As described above, the bracing structure of the wooden building according to the present invention and the seismic reinforcement structure of the existing wooden building reduce the labor for the operator to carry and handle the bracing and mounting hardware used for the bracing structure, It has an excellent effect of shortening the work period and performing construction at low cost, and is suitable for application to the bracing structure of such wooden buildings and the seismic reinforcement structure of existing wooden buildings.

１１ 既存木造建物の耐震補強構造
１２ 木造建物の筋交い構造
１３ 柱
１４ 梁
１５ 土台
１６ 架構
１７ 筋交い
１８ 取付け金具
１９ 台座
１９ａ 雌ねじ部
１９ｂ 円筒状部
１９ｃ フランジ部
２０ ボルト
２１ 木ねじ
２２ 外壁部
２３ 外壁部が撤去されている部分
２４ 間柱
２５ 接着剤
２６ 第１外側部材
２７ 第２外側部材
２８ スペーサ
２８ａ 切欠き部
２９ リベット
３０ 空気抜き孔
３１ リベット孔
３２ 取付け孔
３３ 固定孔
３４ テンプレート
３５ 位置決め孔
３７ 取付け金具
３８ 既存木造建物の耐震補強構造
３９ 内壁部（内装材）
４０ 第２外側部材
４１ 金具本体部
４２ 第１取付け部
４３ 第２取付け部
４２ 取付け孔
４５ 木ねじ
４６ 木造建物の筋交い構造
４７ 空間 DESCRIPTION OF SYMBOLS 11 Seismic reinforcement structure of existing wooden building 12 Bracing structure of wooden building 13 Column 14 Beam 15 Base 16 Frame 17 Bracing 18 Mounting bracket 19 Base 19a Female thread part 19b Cylindrical part 19c Flange part 20 Bolt 21 Wood screw 22 Outer wall part 23 Removed portion 24 Spacer 25 Adhesive 26 First outer member 27 Second outer member 28 Spacer 28a Notch 29 Rivet 30 Air vent hole 31 Rivet hole 32 Mounting hole 33 Fixing hole 34 Template 35 Positioning hole 37 Mounting bracket 38 Existing Seismic reinforcement structure for wooden buildings 39 Inner walls (interior materials)
40 Second outer member 41 Metal body part 42 First attachment part 43 Second attachment part 42 Attachment hole 45 Wood screw 46 Bracing structure of wooden building 47 Space

Claims (8)

平帯状に形成された炭素繊維製の筋交いと、
前記筋交いの端部と結合し、当該端部を木造建物の柱、梁、又は土台に取り付けるための取付け金具とを備え、
前記筋交いの端部と前記取付け金具とが互いに接着剤で結合され、かつ、
前記筋交いは、その平らな面が当該筋交いが取り付けられる前記柱、梁、又は土台に設けられる壁部と平行して配置されていることを特徴とする木造建物の筋交い構造。 A bracing made of carbon fiber formed in a flat belt shape,
It is coupled with the end of the brace, and includes an attachment for attaching the end to a pillar, beam, or foundation of a wooden building,
The brace end and the mounting bracket are bonded together with an adhesive; and
The bracing is a bracing structure of a wooden building, characterized in that its flat surface is arranged in parallel with a wall portion provided on the pillar, beam, or foundation to which the bracing is attached. 前記取付け金具は、
切欠き部が形成され、当該切欠き部に前記筋交いの端部が配置されるスペーサと、
前記スペーサを外側から間に挟み込んで当該スペーサと結合する２つの外側部材とを有し、
前記筋交いの端部が、前記スペーサ及び前記２つの外側部材に接着剤で結合されていることを特徴とする請求項１記載の木造建物の筋交い構造。 The mounting bracket is
A spacer in which a notch is formed, and an end of the bracing is arranged in the notch,
Two outer members that sandwich the spacer from outside and couple to the spacer;
The bracing structure for a wooden building according to claim 1, wherein an end of the bracing is bonded to the spacer and the two outer members with an adhesive. 前記取付け金具は、板状部材であり、当該取付け金具に形成された取付け孔に挿通する締結具によって、前記柱、梁、又は土台における前記壁部と平行する外面に取り付けられることを特徴とする請求項１又は２記載の木造建物の筋交い構造。   The mounting bracket is a plate-like member, and is attached to an outer surface parallel to the wall portion of the column, beam, or base by a fastener inserted through a mounting hole formed in the mounting bracket. A bracing structure of a wooden building according to claim 1 or 2. 前記取付け金具は、板状の金具本体部と、この金具本体部と直交するように設けられている取付け部とを有し、
前記取付け部に形成された取付け孔に挿通する締結具によって、当該取付け金具が、前記柱、梁、又は土台における前記壁部と直交する内面に取り付けられることを特徴とする請求項１又は２記載の木造建物の筋交い構造。 The mounting bracket has a plate-shaped bracket main body portion and a mounting portion provided to be orthogonal to the bracket main body portion,
The mounting bracket is attached to an inner surface orthogonal to the wall portion of the pillar, beam, or base by a fastener inserted through a mounting hole formed in the mounting portion. Bracing structure of wooden building. 前記取付け金具は、台座を介して前記柱、梁、又は土台に取り付けられ、
前記台座の高さは、前記柱、梁、又は土台の前記外面に設けられている外壁部の厚みよりも大きい寸法であることを特徴とする請求項３記載の木造建物の筋交い構造。 The mounting bracket is attached to the pillar, beam, or base via a base,
The bracing structure for a wooden building according to claim 3, wherein the height of the pedestal is larger than the thickness of the outer wall portion provided on the outer surface of the pillar, beam, or foundation. 前記筋交いの厚みは、１〜２ｍｍであることを特徴とする請求項１乃至５のいずれかに記載の木造建物の筋交い構造。   The bracing structure of a wooden building according to any one of claims 1 to 5, wherein the bracing has a thickness of 1 to 2 mm. 請求項１乃至６のいずれかに記載の木造建物の筋交い構造を備えることを特徴とする既存木造建物の耐震補強構造。   A seismic reinforcement structure for an existing wooden building, comprising the bracing structure for a wooden building according to any one of claims 1 to 6. 平帯状に形成された炭素繊維製の筋交いと、
前記筋交いの端部と結合し、当該端部を木造建物の柱、梁、又は土台に取り付けるための取付け金具と、
前記取付け金具と、前記柱、梁、又は土台との間に配置され、前記柱、梁、又は土台に取り付けられる複数の筒状の台座とを備え、
前記取付け金具に形成された複数の各取付け孔に挿通し、かつ、前記複数の各台座の内孔に設けられた雌ねじ部に螺合する複数の締結具によって、当該取付け金具を、前記柱、梁、又は土台に取り付ける既存木造建物の耐震補強工法において、
前記複数の各台座を、テンプレートを使用して位置決めして前記柱、梁、又は土台に取り付ける段階と、
前記柱、梁、又は土台に取り付けられた前記複数の台座に、前記取付け金具を前記複数の締結具で取り付ける段階とを備えることを特徴とする既存木造建物の耐震補強工法。 A bracing made of carbon fiber formed in a flat belt shape,
A fitting for coupling to the end of the bracing, and attaching the end to a pillar, beam, or foundation of a wooden building;
A plurality of cylindrical pedestals disposed between the mounting bracket and the pillar, beam, or base, and attached to the pillar, beam, or base;
With the plurality of fasteners that are inserted into the plurality of mounting holes formed in the mounting bracket and screwed into the female screw portions provided in the inner holes of the plurality of bases, the mounting bracket is connected to the column, In the seismic reinforcement method for existing wooden buildings to be attached to beams or foundations,
Positioning each of the plurality of pedestals using a template and attaching to the column, beam, or foundation;
A step of attaching the mounting bracket to the plurality of pedestals attached to the pillar, beam, or base with the plurality of fasteners;
JP2012089419A 2012-04-10 2012-04-10 Brace structure of wooden building and seismic strengthening structure of existing wooden building Pending JP2013217118A (en)

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