JP6345565B2 - Reinforcement structure for wooden buildings - Google Patents

Reinforcement structure for wooden buildings Download PDF

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JP6345565B2
JP6345565B2 JP2014202944A JP2014202944A JP6345565B2 JP 6345565 B2 JP6345565 B2 JP 6345565B2 JP 2014202944 A JP2014202944 A JP 2014202944A JP 2014202944 A JP2014202944 A JP 2014202944A JP 6345565 B2 JP6345565 B2 JP 6345565B2
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reinforcing plate
foundation
reinforcing
rising portion
adhesive
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寿市 星野
寿市 星野
祐介 星野
祐介 星野
芳樹 平岡
芳樹 平岡
村田　匠
匠 村田
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Sekisui Chemical Co Ltd
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本発明は、既設の住宅などの木造建築物の基礎および耐力壁の補強構造に関する。   The present invention relates to a foundation of a wooden building such as an existing house and a reinforcing structure of a load bearing wall.

住宅等の木造建築物におけるコンクリート製あるいは鉄筋コンクリート製の基礎の耐震補強工法として、アラミド繊維シート等の帯状の高強度繊維シートを基礎の立ち上がり部分の側面に貼り付ける工法が提案されている。この工法は特許文献１において提案されている。   As a seismic reinforcement method for concrete or reinforced concrete foundations in wooden buildings such as houses, a method has been proposed in which a belt-like high-strength fiber sheet such as an aramid fiber sheet is attached to the side of the rising portion of the foundation. This construction method is proposed in Patent Document 1.

特開２００８−１２１２３６号公報JP 2008-121236 A

特許文献１に開示の耐震補強工法は、高価な高強度繊維シートを用いているので、耐震補強のための工費が嵩むという問題点がある。また、基礎の立ち上がり部分の側面に、繊維方向を揃えて均一に高強度繊維シートを貼り付ける必要がある。このため、耐震補強性能が施工の良否によって左右され、耐震性能にバラツキが発生し、施工品質を確保することが容易ではないという問題点がある。   The earthquake-proof reinforcement method disclosed in Patent Document 1 uses an expensive high-strength fiber sheet, and thus has a problem that the construction cost for the earthquake-proof reinforcement increases. Moreover, it is necessary to apply a high-strength fiber sheet uniformly on the side surface of the rising portion of the foundation with the fiber direction aligned. For this reason, there exists a problem that seismic reinforcement performance is influenced by the quality of construction, variation occurs in seismic performance, and it is not easy to ensure construction quality.

一方、既設住宅等の木造建築物の耐震補強においては、土台、柱および梁で囲まれた耐力壁に作用する応力を確実に基礎に伝えることができるようにする必要がある。高強度繊維シートによって基礎の立ち上がり部分を補強するだけでは、既設の木造建築物の耐震補強は十分ではない。しかし、基礎の立ち上がり部分から耐力壁に亘っての適切な耐震補強については、従来においては提案されていない。   On the other hand, in the seismic reinforcement of wooden buildings such as existing houses, it is necessary to ensure that the stress acting on the bearing wall surrounded by the foundation, pillars and beams can be transmitted to the foundation. Simply reinforcing the rising part of the foundation with a high-strength fiber sheet is not enough for seismic reinforcement of existing wooden buildings. However, no suitable seismic reinforcement from the rising part of the foundation to the bearing wall has been proposed in the past.

本発明の課題は、このような点に鑑みて、既設の木造建築物の基礎の立ち上がり部分の補強を、耐震性能にバラツキなく、簡単かつ廉価に行い得るようにした木造建築物の基礎の補強構造を提案することにある。   In view of these points, the object of the present invention is to reinforce the foundation of a wooden building that can easily and inexpensively reinforce the rising portion of the foundation of an existing wooden building without variation in seismic performance. To propose a structure.

また、本発明の課題は、既設の木造建築物の基礎の立ち上がり部分から耐力壁に亘っての補強を、耐震性能にバラツキなく、簡単かつ廉価に行い得るようにした木造建築物の補強構造を提案することにある。   Another object of the present invention is to provide a reinforcing structure for a wooden building that can be easily and inexpensively reinforced from the rising portion of the foundation of an existing wooden building to the bearing wall without variation in seismic performance. It is to propose.

上記の課題を解決するために、本発明の木造住宅の補強構造は、木造建築物における既設基礎の立ち上がり部分の側面に配置した第１補強板と、前記第１補強板を前記側面に接着している接着剤と、前記第１補強板を前記側面に固定している固定用金具とを有している。前記第１補強板は、ガラス長繊維を分散混合した熱硬化性樹脂からなる独立気泡の発泡体であるガラス長繊維強化樹脂発泡体である。   In order to solve the above-mentioned problems, a reinforcing structure for a wooden house according to the present invention includes a first reinforcing plate disposed on a side surface of a rising portion of an existing foundation in a wooden building, and the first reinforcing plate bonded to the side surface. And an adhesive for fixing the first reinforcing plate to the side surface. The first reinforcing plate is a long glass fiber reinforced resin foam which is a closed cell foam made of a thermosetting resin in which long glass fibers are dispersed and mixed.

前記接着剤はエポキシ樹脂系接着剤であることが望ましい。また、前記固定用金具は、前記第１補強板の表面側から前記立ち上がり部分に打ち込まれた芯棒打ち込み式アンカーであることが望ましい。   The adhesive is preferably an epoxy resin adhesive. Moreover, it is preferable that the fixing metal fitting is a core rod driving type anchor driven into the rising portion from the surface side of the first reinforcing plate.

本発明に用いる第１補強板はガラス長繊維強化樹脂発泡体であり、天然木材と同様な比
重をもち、天然木材と同様にくぎ打ち、穴明け、切断等の加工を、木材用の工具を用いて行うことができる。また、木材に比べて強度に優れ、耐水性、耐薬品性などにも優れている。高強度樹脂シートに比べて、安価である。また、基礎の立ち上がり部分の側面に張り付ける作業は、天然木材からなる板材を加工する場合と同様にガラス長繊維強化樹脂発泡体を加工することができるので、施工も容易であり、施工品質のバラツキも少ない。 The first reinforcing plate used in the present invention is a long glass fiber reinforced resin foam, has a specific gravity similar to that of natural wood, and performs processing such as nailing, drilling, cutting, etc. in the same manner as natural wood. Can be used. In addition, it is superior in strength to wood and has excellent water resistance and chemical resistance. Compared to a high-strength resin sheet, it is inexpensive. In addition, the work of attaching to the side of the rising part of the foundation is easy to install because the long glass fiber reinforced resin foam can be processed in the same way as when processing a plate made of natural wood. There is little variation.

また、ガラス長繊維強化樹脂発泡体からなる第１補強板は、エポキシ樹脂系接着剤によって基礎の立ち上がり部分の側面に接着され、芯棒打ち込み式アンカーによって基礎の立ち上がり部分の側に固定されている場合には、第１補強板と基礎の立ち上がり部分の間の結合強度が高く、第１補強板による基礎の立ち上がり部分の補強を確実に行うことができる。   Moreover, the 1st reinforcement board which consists of a glass long fiber reinforced resin foam is adhere | attached on the side of the rising part of a foundation with an epoxy resin adhesive, and is fixed to the side of the rising part of a foundation with a core stick driving type anchor. In this case, the coupling strength between the first reinforcing plate and the rising portion of the foundation is high, and the rising portion of the foundation can be reliably reinforced by the first reinforcing plate.

本発明において、前記既設基礎の立ち上がり部分の側面に、前記第１補強板が少なくとも二重張りされており、内側に張り付けた前記第１補強板の間の繋ぎ目に対して、外側に張り付けた前記第１補強板の間の繋ぎ目は、前記側面の長手方向にずれた位置にある。 In the present invention, the first reinforcing plate is at least double-stretched on the side surface of the rising portion of the existing foundation, and the first stiffened outwardly with respect to the joint between the first reinforcing plates pasted inside. The joint between the 1 reinforcing plates is at a position shifted in the longitudinal direction of the side surface .

第１補強板を多層張りにすることで、必要とされる補強を既設基礎の立ち上がり部分に対して行うことができる。また、第１補強板の繋ぎ目が各層において同一位置とならないようにしているので、基礎の立ち上がり部分の長手方向における補強強度のバラツキを抑制できる。   By making the first reinforcing plate multi-layered, the required reinforcement can be performed on the rising portion of the existing foundation. In addition, since the joints of the first reinforcing plates are not located at the same position in each layer, it is possible to suppress variations in reinforcing strength in the longitudinal direction of the rising portion of the foundation.

次に、本発明の補強構造は、前記木造建築物における壁面に配置した第２補強板と、前記第２補強板を前記壁面に接着している第２接着剤と、前記第２補強板を前記壁面に固定している第２固定用金具とを有している。また、前記壁面は、前記既設基礎の前記立ち上がり部分の上面に位置する土台と、当該土台から所定の間隔で立ち上がっている柱と、当該柱の上端に架け渡した梁とによって取り囲まれた壁面であり、前記第２補強板は、ガラス長繊維によって強化された熱硬化性樹脂発泡体からなる板である。   Next, the reinforcing structure of the present invention includes a second reinforcing plate arranged on a wall surface in the wooden building, a second adhesive bonding the second reinforcing plate to the wall surface, and the second reinforcing plate. A second fixing bracket fixed to the wall surface. Further, the wall surface is a wall surface surrounded by a base positioned on the upper surface of the rising portion of the existing foundation, a column rising from the base at a predetermined interval, and a beam spanning the upper end of the column. The second reinforcing plate is a plate made of a thermosetting resin foam reinforced with long glass fibers.

前記第２接着剤はエポキシ樹脂系接着剤であることが望ましい。また、前記固定用金具は、前記第２補強板の表面から、前記土台、前記柱および前記梁のそれぞれに打ち込まれるビスとすることができる。   The second adhesive is preferably an epoxy resin adhesive. In addition, the fixing metal fitting may be a screw that is driven into each of the base, the column, and the beam from the surface of the second reinforcing plate.

本発明では、基礎の立ち上がり部分の補強と共に耐力壁の補強を、同一素材の補強板を用いて行っている。このように基礎および耐力壁を一体的に補強することにより、木造建築物に掛かる応力を確実に基礎に伝えることができ、建物全体としての強度を高めることができる。   In the present invention, the load-bearing wall is reinforced together with the reinforcement of the rising portion of the foundation using the reinforcing plate made of the same material. By integrally reinforcing the foundation and the bearing wall in this way, the stress applied to the wooden building can be reliably transmitted to the foundation, and the strength of the entire building can be increased.

本発明において、前記既設基礎の立ち上がり部分の側面には、前記第１補強板が少なくとも二重張りされ、内側に張り付けた前記第１補強板の間の繋ぎ目に対して、外側に張り付けた前記第１補強板の間の繋ぎ目は、前記側面の長手方向にずれた位置にある。一方、前記壁面には一般に前記第２補強板が一重張りされる。 In the present invention, the first reinforcing plate is at least double-stretched on a side surface of the rising portion of the existing foundation, and the first reinforcing plate is attached to the outside with respect to a joint between the first reinforcing plates attached to the inside. The joint between the reinforcing plates is at a position shifted in the longitudinal direction of the side surface . On the other hand, the second reinforcing plate is generally stretched on the wall surface.

本発明を適用した木造建築物の基礎の補強構造を示す部分断面図および部分斜視図である。It is the fragmentary sectional view and partial perspective view which show the reinforcement structure of the foundation of the wooden building to which this invention is applied. 本発明を適用した木造建築物の基礎及び壁面の補強構造を示す部分断面図および部分斜視図である。It is the fragmentary sectional view and partial perspective view which show the reinforcement structure of the foundation and wall surface of the wooden building to which this invention is applied.

以下に、図面を参照して本発明の実施の形態に係る木造建築物の補強構造を説明する。   Below, with reference to drawings, the reinforcement structure of the wooden building which concerns on embodiment of this invention is demonstrated.

（実施の形態１：既設基礎の補強構造）
図１（ａ）および（ｂ）は、本発明を木造建築物の基礎の補強に適用した場合を示す部分断面図および部分斜視図である。図において、１は住宅等の木造建築物における既設の基礎である。基礎１は、コンクリート製の布基礎、ベタ基礎等である。基礎１の立ち上がり部分２には、その側面、一般的には、外側の側面３に、後付けで、補強板が二重張りされている。以下の説明では、内側の補強板を内側補強板４Ａと呼び、外側の補強板を外側補強板４Ｂと呼び、これらを纏めて補強板４と呼ぶ。補強板４を一重張りする場合もある。 (Embodiment 1: Reinforcement structure of existing foundation)
FIGS. 1A and 1B are a partial cross-sectional view and a partial perspective view showing a case where the present invention is applied to reinforcement of a foundation of a wooden building. In the figure, reference numeral 1 denotes an existing foundation in a wooden building such as a house. The foundation 1 is a concrete cloth foundation, a solid foundation or the like. On the rising portion 2 of the foundation 1, a reinforcing plate is double-tensioned on its side surface, generally, the outer side surface 3 as a retrofit. In the following description, the inner reinforcing plate is called the inner reinforcing plate 4A, the outer reinforcing plate is called the outer reinforcing plate 4B, and these are collectively called the reinforcing plate 4. In some cases, the reinforcing plate 4 is single-layered.

内側補強板４Ａは、基礎１の立ち上がり部分２の側面３に塗布した内側接着剤５Ａを介して貼り付けられている。同様に、外側補強板４Ｂは、内側補強板４Ａの外側表面に塗布した外側接着剤５Ｂを介して貼り付けられている。これらの接着剤５Ａ、５Ｂは同一の接着剤であり、これらを纏めて接着剤５と呼ぶ。接着剤５Ａ、５Ｂを異なる種類の接着剤とすることも可能である。また、二重張りされた補強板４は、外側から固定用金具によって基礎１の立ち上がり部分２に固定されている。固定用金具として芯棒打ち込み式アンカー６を用いている。   The inner reinforcing plate 4A is affixed via an inner adhesive 5A applied to the side surface 3 of the rising portion 2 of the foundation 1. Similarly, the outer reinforcing plate 4B is attached via an outer adhesive 5B applied to the outer surface of the inner reinforcing plate 4A. These adhesives 5A and 5B are the same adhesive, and are collectively referred to as an adhesive 5. The adhesives 5A and 5B can be different types of adhesives. Further, the double-tensioned reinforcing plate 4 is fixed to the rising portion 2 of the foundation 1 by a fixing bracket from the outside. A core rod driving type anchor 6 is used as a fixing metal fitting.

補強板４は、ガラス長繊維強化樹脂発泡体からなる一定厚さで、一定の幅および長さの矩形板である。ガラス長繊維強化樹脂発泡体は、熱硬化性樹脂、例えば硬質ウレタン樹脂からなる独立気泡の発泡体に、ガラス長繊維を均等に分散混合したものである。施工に当っては、補強板４を所定の幅および長さに切断して、基礎１の立ち上がり部分２の側面３に張り付ける。このような補強板４としては、「エスロン（登録商標）ネオランバーＦＦＵ」（商品名：積水化学工業株式会社製）を用いることができる。   The reinforcing plate 4 is a rectangular plate having a certain thickness and a certain width and length made of a long glass fiber reinforced resin foam. The long glass fiber reinforced resin foam is obtained by uniformly dispersing and mixing long glass fibers in a closed cell foam made of a thermosetting resin, for example, a hard urethane resin. In the construction, the reinforcing plate 4 is cut into a predetermined width and length and attached to the side surface 3 of the rising portion 2 of the foundation 1. As such a reinforcing plate 4, "Eslon (registered trademark) Neo Lumber FFU" (trade name: manufactured by Sekisui Chemical Co., Ltd.) can be used.

本例では、図１（ｂ）に示すように、立ち上がり部分２の側面３の高さに対応する幅寸法にした一定長さの補強板４（４Ａ、４Ｂ）を、立ち上がり部分２の長手方向Ｘに敷き詰めてある。内側補強板４Ａの繋ぎ目４ａに対して、外側補強板４Ｂの繋ぎ目４ｂを、長手方向Ｘにおいて、相互に重なる位置とならないようにオフセットさせてある。   In this example, as shown in FIG. 1B, the reinforcing plate 4 (4A, 4B) having a fixed length having a width corresponding to the height of the side surface 3 of the rising portion 2 is used in the longitudinal direction of the rising portion 2. It is spread on X. In the longitudinal direction X, the joint 4b of the outer reinforcing plate 4B is offset with respect to the joint 4a of the inner reinforcing plate 4A so as not to overlap with each other.

接着剤５はエポキシ樹脂系接着剤であり、例えば、「ボンドＥ２０９」（商品名：コニシ株式会社製）を用いることができる。   The adhesive 5 is an epoxy resin adhesive, and for example, “Bond E209” (trade name: manufactured by Konishi Co., Ltd.) can be used.

芯棒打ち込み式アンカー６は、細長い筒状のアンカーボディ７、このアンカーボディ７の頭部に螺合した座金付きナット８、および、アンカーボディ７の頭部から打ち込まれるセンターピン９を備えている。芯棒打ち込み式アンカー６は、例えば、図１（ｂ）に示すように、１枚の補強板４の四隅に打ち込まれる。   The core rod driving type anchor 6 includes an elongated cylindrical anchor body 7, a nut 8 with a washer screwed to the head of the anchor body 7, and a center pin 9 driven from the head of the anchor body 7. . The core rod driving type anchor 6 is driven into the four corners of one reinforcing plate 4 as shown in FIG.

この構成の補強構造の施工では、まず、アンカー打ち込み穴１０を基礎１の立ち上がり部分２の側面３から形成する。次に、接着剤５Ａを側面３に均一に塗布し、その上から一層目の内側補強板４Ａを貼り付ける。次に、内側補強板４Ａの外側表面に接着剤５Ｂを均一に塗布し、その上から二層目の外側補強板４Ｂを貼り付ける。次に、芯棒打ち込み式アンカー６を取り付けて、基礎１の立ち上がり部分２に打ち込み固定し、座金付きナット８を締めこむ。   In the construction of the reinforcing structure having this configuration, the anchor driving hole 10 is first formed from the side surface 3 of the rising portion 2 of the foundation 1. Next, the adhesive 5A is uniformly applied to the side surface 3, and the first inner reinforcing plate 4A is attached from above. Next, the adhesive 5B is evenly applied to the outer surface of the inner reinforcing plate 4A, and the second outer reinforcing plate 4B is pasted thereon. Next, the core rod driving type anchor 6 is attached, and it is driven and fixed to the rising portion 2 of the foundation 1, and the nut 8 with a washer is tightened.

（実施の形態２：既設基礎および既設壁の補強構造）
図２（ａ）および（ｂ）は、本発明を木造建築物の基礎および耐力壁の補強に適用した場合を示す部分断面図および部分斜視図である。図において、１１は住宅等の木造建築物における既設の基礎であり、２０は基礎１１の上に設置されている耐力壁である。基礎１
１は、コンクリート製の布基礎、ベタ基礎等である。基礎１１の立ち上がり部分１２には、その外側の側面１３に、後付けで、補強板が二重張りされている。以下の説明では、内側の補強板を内側補強板１４Ａと呼び、外側の補強板を外側補強板１４Ｂと呼び、これらを纏めて補強板１４と呼ぶ。補強板１４を一重張りする場合もある。 (Embodiment 2: Reinforced structure of existing foundation and existing wall)
2 (a) and 2 (b) are a partial cross-sectional view and a partial perspective view showing the case where the present invention is applied to the foundation of a wooden building and the reinforcement of the load-bearing wall. In the figure, 11 is an existing foundation in a wooden building such as a house, and 20 is a load bearing wall installed on the foundation 11. Basic 1
Reference numeral 1 denotes a concrete cloth foundation, a solid foundation or the like. On the rising portion 12 of the base 11, a reinforcing plate is double-tensioned on the outer side surface 13 as a retrofit. In the following description, the inner reinforcing plate is called the inner reinforcing plate 14A, the outer reinforcing plate is called the outer reinforcing plate 14B, and these are collectively called the reinforcing plate 14. In some cases, the reinforcing plate 14 is single-layered.

内側補強板１４Ａは、基礎１１の立ち上がり部分１２の側面１３に塗布した接着剤１５Ａを介して貼り付けられている。同様に、外側補強板１４Ｂは、内側補強板１４Ａの外側表面に塗布した接着剤１５Ｂを介して貼り付けられている。これらの接着剤１５Ａ、１５Ｂは同一の接着剤であり、これらを纏めて接着剤１５と呼ぶ。接着剤１５Ａ、１５Ｂを異なる種類の接着剤とすることも可能である。また、二重張りされた補強板１４は、外側から固定用金具によって基礎１１の立ち上がり部分１２に固定されている。固定用金具として芯棒打ち込み式アンカー１６を用いている。   The inner reinforcing plate 14 </ b> A is attached via an adhesive 15 </ b> A applied to the side surface 13 of the rising portion 12 of the foundation 11. Similarly, the outer reinforcing plate 14B is attached via an adhesive 15B applied to the outer surface of the inner reinforcing plate 14A. These adhesives 15A and 15B are the same adhesive, and are collectively referred to as an adhesive 15. The adhesives 15A and 15B can be different types of adhesives. The double-tensioned reinforcing plate 14 is fixed to the rising portion 12 of the foundation 11 from the outside by a fixing bracket. A core rod driving type anchor 16 is used as a fixing metal fitting.

補強板１４、接着剤１５および芯棒打ち込み式アンカー１６は、実施の形態１の場合と同じであるので、これらについての説明は省略する。   Since the reinforcing plate 14, the adhesive 15, and the core rod driving type anchor 16 are the same as those in the first embodiment, description thereof will be omitted.

次に、基礎１１の上の耐力壁２０は、基礎１１の立ち上がり部分１２の上端に配置した土台２１、土台２１の上に一定の間隔で立てた左右の柱２２、２３および、柱２２、２３の上端に架け渡されている梁２４によって取り囲まれている。この耐力壁２０の外側の側面２５には、接着剤２６が均一に塗布され、その上から、補強板２７が貼り付けられている。また、補強板２７の四周の縁に沿って、一定の間隔で、ビス（固定用金具）２８がねじ込まれている。ビス２８によって、補強板２７は、土台２１、柱２２、２３、梁２４に固定されている。   Next, the load-bearing wall 20 on the foundation 11 includes a base 21 disposed at the upper end of the rising portion 12 of the foundation 11, left and right columns 22, 23 standing on the base 21 at regular intervals, and columns 22, 23. It is surrounded by a beam 24 spanning the upper end of. An adhesive agent 26 is uniformly applied to the outer side surface 25 of the load bearing wall 20, and a reinforcing plate 27 is attached thereon. In addition, screws (fixing brackets) 28 are screwed at regular intervals along the four circumferential edges of the reinforcing plate 27. The reinforcing plate 27 is fixed to the base 21, the pillars 22 and 23, and the beam 24 by screws 28.

補強板２７は補強板１４と同じく、ガラス長繊維強化樹脂発泡体からなる板である。接着剤２６は接着剤１５と同じくエポキシ樹脂系接着剤である。   Similar to the reinforcing plate 14, the reinforcing plate 27 is a plate made of a long glass fiber reinforced resin foam. The adhesive 26 is an epoxy resin adhesive similar to the adhesive 15.

なお、立ち上がり部分１２の側面１３においては、その高さに対応する幅寸法にした一定長さの補強板１４を、立ち上がり部分１２の長手方向Ｘに敷き詰めてある。内側補強板１４Ａの繋ぎ目（破線で示す。）に対して、外側補強板１４Ｂの繋ぎ目１４ｂを、長手方向Ｘにおいて、相互に重なる位置とならないようにオフセットさせてある。   In addition, on the side surface 13 of the rising portion 12, a reinforcing plate 14 having a certain length having a width corresponding to the height is laid in the longitudinal direction X of the rising portion 12. The joint 14b of the outer reinforcing plate 14B is offset with respect to the joint of the inner reinforcing plate 14A (shown by a broken line) so as not to overlap with each other in the longitudinal direction X.

このように、基礎１１の立ち上がり部分１２の側面１３には補強板１４が二重張りされ、耐力壁２０の側面２５には補強板２７が一重張りされている。基礎１１および耐力壁２０の双方がガラス長繊維強化樹脂発泡体からなる補強板によって補強されるので、木造建築物の全体としての強度を高めることができる。   As described above, the reinforcing plate 14 is double-stretched on the side surface 13 of the rising portion 12 of the foundation 11, and the reinforcing plate 27 is single-stretched on the side surface 25 of the bearing wall 20. Since both the foundation 11 and the bearing wall 20 are reinforced by the reinforcing plate made of the long glass fiber reinforced resin foam, the strength of the whole wooden building can be increased.

１ 基礎、２ 立ち上がり部分、３ 側面、４ 補強板（第１補強板）、４Ａ 内側補強板、４Ｂ 外側補強板、５ 接着剤、５Ａ 内側接着剤、５Ｂ 外側接着剤、６ 芯棒打ち込み式アンカー、７ アンカーボディ、８ 座金付きナット、９ センターピン、１０
アンカー打ち込み穴、１１ 基礎、１２ 立ち上がり部分、１３ 側面、１４ 補強板（第１補強板）、１４Ａ 内側補強板、１４Ｂ 外側補強板、１５ 接着剤、１５Ａ 内側接着剤、１５Ｂ 外側接着剤、１６ 芯棒打ち込み式アンカー、２０ 耐力壁、２１ 土台、２２ 柱、２３ 柱、２４ 梁、２５ 側面、２６ 接着剤、２７ 補強板（第２補強板）、２８ ビス DESCRIPTION OF SYMBOLS 1 Foundation, 2 Standing part, 3 Side, 4 Reinforcement board (1st reinforcement board), 4A Inner reinforcement board, 4B Outer reinforcement board, 5 Adhesive agent, 5A Inner adhesive agent, 5B Outer adhesive agent, 6 Core rod driving type anchor , 7 Anchor body, 8 Nut with washer, 9 Center pin, 10
Anchor driving hole, 11 foundation, 12 rising portion, 13 side surface, 14 reinforcing plate (first reinforcing plate), 14A inner reinforcing plate, 14B outer reinforcing plate, 15 adhesive, 15A inner adhesive, 15B outer adhesive, 16 cores Stick-in anchor, 20 bearing wall, 21 foundation, 22 pillars, 23 pillars, 24 beams, 25 side faces, 26 adhesive, 27 reinforcing plate (second reinforcing plate), 28 screws

Claims (2)

木造建築物における既設基礎の立ち上がり部分（２）の側面（３）に配置した第１補強板（４）と、
前記第１補強板（４）を前記側面（３）に接着している接着剤（５）と、
前記第１補強板（４）を前記側面（３）に固定している固定用金具（６）と、
を有し、
前記第１補強板（４）は、ガラス長繊維によって強化された熱硬化性樹脂発泡体からなる板であり、
前記既設基礎の前記立ち上がり部分（２）の側面（３）に、前記第１補強板（４）が少なくとも二重張りされており、
内側に張り付けた前記第１補強板（４Ａ）同士の繋ぎ目に対して、外側に張り付けた前記第１補強板（４Ｂ）同士の繋ぎ目は、前記側面（３）の長手方向にずれた位置にあることを特徴とする木造建築物の補強構造。 A first reinforcing plate (4) disposed on a side surface (3) of a rising portion (2) of an existing foundation in a wooden building;
An adhesive (5) for adhering the first reinforcing plate (4) to the side surface (3);
A fixing bracket (6) for fixing the first reinforcing plate (4) to the side surface (3);
Have
Said first reinforcing plate (4) is Ri Oh a plate made of a thermosetting resin foam reinforced by long glass fibers,
The first reinforcing plate (4) is at least double-stretched on the side surface (3) of the rising portion (2) of the existing foundation,
The joint between the first reinforcing plates (4B) attached to the outside is shifted in the longitudinal direction of the side surface (3) with respect to the joint between the first reinforcing plates (4A) attached to the inside. reinforcing structure of wooden buildings, characterized in that there is in. 木造建築物における既設基礎の立ち上がり部分（２）の側面（３）に配置した第１補強板（４）と、
前記第１補強板（４）を前記側面（３）に接着している接着剤（５）と、
前記第１補強板（４）を前記側面（３）に固定している固定用金具（６）と、
前記木造建築物における壁面（２５）に配置した第２補強板（２７）と、
前記第２補強板（２７）を前記壁面（２５）に接着している第２接着剤（２６）と、
前記第２補強板（２７）を前記壁面（２５）に固定している第２固定用金具（２８）と、
を有し、
前記第１補強板（４）は、ガラス長繊維によって強化された熱硬化性樹脂発泡体からなる板であり、
前記壁面（２５）は、前記既設基礎の前記立ち上がり部分（１２）の上面に位置する土台（２１）と、当該土台（２１）から所定の間隔で立ち上がっている柱（２２、２３）と、当該柱（２２、２３）の上端に架け渡した梁（２４）とによって取り囲まれた壁面であり、
前記第２補強板（２７）は、ガラス長繊維によって強化された熱硬化性樹脂発泡体からなる板であり、
前記既設基礎の前記立ち上がり部分（１２）の側面（１３）には、前記第１補強板（１４）が少なくとも二重張りされており、
内側に張り付けた前記第１補強板（１４Ａ）同士の繋ぎ目に対して、外側に張り付けた前記第１補強板（１４Ｂ）同士の繋ぎ目は、前記側面（１３）の長手方向にずれた位置にあり、
前記壁面（２５）には前記第２補強板（２７）が一重張りされていることを特徴とする木造建築物の補強構造。 A first reinforcing plate (4) disposed on a side surface (3) of a rising portion (2) of an existing foundation in a wooden building;
An adhesive (5) for adhering the first reinforcing plate (4) to the side surface (3);
A fixing bracket (6) for fixing the first reinforcing plate (4) to the side surface (3);
A second reinforcing plate (27) disposed on the wall surface (25) in the wooden building;
A second adhesive (26) for adhering the second reinforcing plate (27) to the wall surface (25);
A second fixture (28) for fixing the second reinforcing plate (27) to the wall surface (25);
Have
The first reinforcing plate (4) is a plate made of a thermosetting resin foam reinforced with long glass fibers,
The wall surface (25) includes a base (21) positioned on an upper surface of the rising portion (12) of the existing foundation, columns (22, 23) rising from the base (21) at a predetermined interval, A wall surrounded by a beam (24) spanning the upper end of the pillar (22, 23);
The second reinforcing plate (27) is a plate made of a thermosetting resin foam reinforced with long glass fibers,
The first reinforcing plate (14) is at least double-stretched on the side surface (13) of the rising portion (12) of the existing foundation,
The joint between the first reinforcing plates (14B) attached to the outside is shifted in the longitudinal direction of the side surface (13) with respect to the joint between the first reinforcing plates (14A) attached to the inside. And
A reinforcing structure for a wooden building, wherein the second reinforcing plate (27) is stretched on the wall surface (25) .
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