JP3742703B2 - Reinforcement structure for bolt-shaped fixtures and building and structure reinforcement structures using the same - Google Patents

Reinforcement structure for bolt-shaped fixtures and building and structure reinforcement structures using the same Download PDF

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JP3742703B2
JP3742703B2 JP03552597A JP3552597A JP3742703B2 JP 3742703 B2 JP3742703 B2 JP 3742703B2 JP 03552597 A JP03552597 A JP 03552597A JP 3552597 A JP3552597 A JP 3552597A JP 3742703 B2 JP3742703 B2 JP 3742703B2
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reaction force
bolt
force transmission
fixture
main
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JPH10219847A (en
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晋二 橋本
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グランデータ株式会社
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Description

【0001】
【発明の属する技術分野】
この発明はボルト状固定具の補強構造及びこれを用いた建築、構造物の補強構造に関するものである。
【0002】
【従来の技術】
建築、構築物の柱、梁、桁等の木材に強度を担うボルトを圧入し、このボルトを固定点として利用しそこへ何かの製品を吊り下げたり或いは他部材を接合する場合、安全度を考慮してボルトの径や長さ等のサイズ選定を行いボルトの頭部へ掛かる剪断荷重を対処するようにしている。
【0003】
【発明が解決しようとする課題】
しかしながら、予想外の大きな外圧がボルトの頭部に負荷されたり、建築、構築物に対して震度の大きな地震が襲った場合等には、通常想定される剪断荷重より大きな剪断荷重がボルトの頭部に集中して瞬間的に負荷されることになって、そのボルト頭部その他に曲げ荷重や引張り荷重が働くことになる。その結果、ボルトが変形したり、ボルトが木部から浮いたりしてしまうことがあり得る。
【0004】
そこで、この発明は、このような場合にボルトが変形したり、ボルトが木部から浮いたりしてしまうことがないように、ボルトの固定状態を補強し、この様なボルトを使用する建築、構築物の強構部材の接合状態を補強せんとするものである。
【0005】
【課題を解決するための手段】
請求項1記載の発明は、取付け対象部材へ圧入して固定したボルト状の主固定具に対し、交差方向で、広がりを有する反力伝達金具を係合させ且つ取付け対象部材の取付け面に対応位置決めすると共に、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させたボルト状の従固定具により直接的または間接的に反力伝達金具を内面側から支持せしめこの反力伝達金具に反力を付与可能とすることで、ボルト状固定具の補強構造を構成している。
【0006】
そして請求項2記載の発明は、取付け対象部材が、建築、構築物の強度部材である場合に、そこへ配する反力伝達金具の広がりサイズを調整し、複数の取付け対象部材にまで延設して取り付けられものにすることで、反力伝達機能と接合機能を反力伝達金具に持たせたものである。
【0007】
更に、請求項3の発明では、反力伝達金具の取付け位置が取付け対象部材の取付け面に直接的に当接しない場合として、仕上げ材の外面に沿わせた状態で取付け対象部材の取付け面に対応位置決めさせ、その仕上げ材の外面と同じ面位置となる状態に従固定具を圧入してある構造を構成した。
【0008】
更に請求項4の発明は、上記したボルト状固定具の補強構造が建築、構築物の複数の強度部材に採用された場合を予定するもである。即ち、建築、構築物の複数の強度部材の内、少なくとも二つの強度部材を取付け対象部材として選択し、各取付け対象部材に各々固定点を定め各固定点にボルト状の主固定具を圧入固定し、両方の主固定具間へ接続要素を架設して相対的な引張力を付与せしめる建築、構築物の補強構造を先ず前提とし、少なくとも一方の主固定具に対し、交差方向で、広がりを有する反力伝達金具を係合させ且つ取付け対象部材の取付け面に対応位置決めすると共に、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させたボルト状の従固定具により直接的または間接的に反力伝達金具を内面側から支持せしめこの反力伝達金具に反力を付与可能とした建築、構築物の補強構造を構成するものとした。
【0009】
そして更に、請求項5の発明は、建築、構築物の複数の強度部材の内、上下、斜め、または左右に位置する少なくとも二つの強度部材を取付け対象部材として選択する建築、構築物の補強構造とした。
【0010】
【発明の実施の形態】
この発明に係るボルト状固定具の補強構造は、主固定具と、反力伝達金具とそして従固定具とで主に構成されるものである。主固定具は、ボルト状のもので、取付け対象部材へ圧入して固定するものである。
【0011】
以上及び以下の説明において、圧入とは、取付け孔を相手方部材に予め形成してそこに螺合する場合、予め螺合部分を割り構造にしておき螺合に加えて拡広して食い込ませる場合、雌の受け部品を相手方部材に予め嵌入しておきそこに組み込む場合、取付け孔を開孔せず相手方部位に食い込ませる場合等を含む用語であり、ボルト状の主固定具が相手方部材に確りと食い込んで固定される状態が得られるのであれば、その全てを含む用語として使用される。
【0012】
反力伝達金具は、ボルト状の主固定具と交差方向で係合させるものであり、しかも取付け対象部材の取付け面に対応位置決めされるものであって、任意の広がりを有するパネル状、プレート状、ナット状、鍔状等の金具である。
【0013】
交差方向とは主固定具の剪断方向を意味し、係合の仕方は螺合、嵌入等に限定されず主固定具の剪断荷重が反力伝達金具に伝達できまたその逆に反力伝達金具から主固定具に応力が伝達できる状態であればどのような係合の仕方であっても良い。従って、主固定具に反力伝達金具が組み合わされる状態であれば直接的か間接的かを問わないものである。
取付け面に対応位置決めとは、取付け面に直に当接する場合や、少し間を置いて対応させる場合、或いは取付け面との間に他の部材、例えば外装材を存在させこの他の部材外面に沿わせる場合等を含むものである。
【0014】
そしてこの反力伝達金具は、取付け対象部材が、建築、構築物の強度部材である場合には、他の取付け対象部材にまで延設して取り付けられることも可能であり、この場合反力伝達機能と接合機能をもつことになる。
【0015】
従固定具は、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させるボルト状のものであり、直接的または間接的に、反力伝達金具を内面側から支持せしめ、この反力伝達金具に反力を付与可能とするものである。反力伝達金具を内面側から支持する状態は、単に当接するだけの場合、ナットを介して接合する場合等を含む。
【0016】
またこの発明に係る建築、構築物の補強構造は、建築、構築物の複数の強度部材の内、少なくとも二つの強度部材を取付け対象部材として選択し、各取付け対象部材に各々固定点を定め各固定点にボルト状の主固定具を圧入固定し、両方の主固定具間へ接続要素を架設して相対的な引張力を付与せしめる状態を前提とする。建築、構築物の複数の強度部材とは、柱、梁、桁、土台、布基礎、ペース部、このペース部に支持される他の部材等広く建築、構築物にあって強度を担う部材を示す用語として使用される。
【0017】
接続要素は主固定具の頭部間に架設し接続して、そこに相対的な引張力を付与せしめるものであるが、架設の仕方や接続の仕方は直接的でも他の補助部品を介して行うようにしても良い。
【0018】
そして以上の前提となる構造に対し、この建築、構築物の補強構造は、更に以下の条件によって構成される。即ち、少なくとも一方の主固定具に対し、交差方向で、広がりを有する反力伝達金具を係合させ且つ取付け対象部材の取付け面に対応位置決めさせると共に、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させたボルト状の従固定具により直接的または間接的に反力伝達金具を内面側から支持せしめこの反力伝達金具に反力を付与可能とするものである。
【0019】
そして、建築、構築物の複数の強度部材の内、上下、斜め、または左右に位置する少なくとも二つの強度部材を取付け対象部材として選択することが可能である。
【0020】
【実施例】
以下、この発明の好適な実施例を図面に基づいて説明する。図1および図2は第1の実施例を示す。ボルト状の主固定具1は、ネジ部2と胴部3と頭部4を有し、ネジ部2が取付け対象部材としての桁5に圧入され、胴部3は外壁仕上げ材6に圧入され、頭部4が外部に露出した状態にして桁5に取り付けられる。
反力伝達金具7は矩形の広がりを有するプレート状のもので、桁5の上下幅サイズに相応するサイズとしてある。この反力伝達金具7は主固定具1に対して、交差方法つまり図2で下方向になる剪断方向に組み合わせてあり、具体的には主固定具1の胴部3に嵌合したようにされる。そして反力伝達金具7は外壁仕上げ材6の外面8にあてがう状態とされ、結果として桁5の取付け面9に対応位置決めされ、ステンレスコーチボルト10を4本外壁仕上げ材6及び桁5へ圧入することにより反力伝達金具7はそこで固定される。
【0021】
以上のような反力伝達金具7を固定する前に、外壁仕上げ材6及び桁5へ従固定具としてのコーチボルト11が3本圧入され、その頭部12が外壁仕上げ材6の外面8と同じ面位置となる状態にいわば埋め込まれる。従って、反力伝達金具7を固定すると、反力伝達金具7の内面13が3本のコーチボルト11の頭部12に当接することで、反力伝達金具7がコーチボルト11によって支持される。
【0022】
このようなボルト状固定具の補強構造にあっては、もし剪断方向即ち図2の下方向へ瞬間的に予想外の荷重が負荷された場合、主固定具1の頭部4は反力伝達金具7を介して従固定具である3本のコーチボルト11に負荷を伝えるが、逆に3本のコーチボルト11に支持されていることから反力伝達金具7はその反力を主固定具1に伝達し付与することになるから、主固定具1が桁5から浮いたり、その頭部4が変形したりすることが規制されることとなる。
【0023】
図3及び図4は第2の実施例を示す。反力伝達金具14は上下で長い長方形を有し、桁5の取付け面9のみならず柱15の取付け面16の一部にまでおよぶサイズのものとされ、8本のステンレスコーチボルト17を外壁仕上げ材6及び桁5更に柱15へ圧入することにより反力伝達金具14はそこで固定される。従って、この反力伝達金具14は桁5と柱15を接合することになり、反力伝達機能と接合機能をもつことになる。その他の構造と各部の作用、機能は、上記第1実施例と同様につき共通する部分を同一符号で示すことにして重複説明を省略する。
【0024】
図5は第3実施例を示す。厚板状の反力伝達金具18がボルト状の従固定具19により取付け対象部材20の取付け面21に対して直接的に取付け・固定されている。従固定具19はその頭部22が反力伝達金具18を貫通し、ナット状のスペーサ23を介してナット24を締めつけることで反力伝達金具18を挟み込んだ状態を呈し、これにより従固定具19は反力伝達金具18を支持する。
【0025】
このため、外装仕上げ材25は反力伝達金具18を受け入れる開口部26を備え、またこの開口部26は被覆板27で覆われている。被覆板27はステンレスコーチボルト28にて外装仕上げ材25へ固定される。また反力伝達金具18と主固定具1の係合は、主固定具1の胴部29にネジ部30を形成し、反力伝達金具18にも対応するネジ部を形成し、螺合することによって行うものである。
【0026】
従って予期せぬ剪断荷重が主固定具1の頭部4に図5で下方に向けて負荷された場合、上側の従固定具19は図5中左方向へ又下側の従固定具19は右方向へ移動しようとするが、逆に反力伝達金具18を介して下側の従固定具19から上側の従固定具19へ反力が伝達されることになって、主固定具1が取付け対象部材20から浮き上がったりその頭部4が変形したりすることが阻止される。
その他の構造と各部の作用、機能は、上記第1実施例と同様につき共通する部分を同一符号で示すことにして重複説明を省略する。
【0027】
図6ないし図8は第4実施例と第5実施例を示す。両実施例は、共に木造住宅における複数の強度部材の内、柱31、32と布基礎33とを取付け対象部材として選択している。従って両実施例は上下に位置する二つの強度部材が取付け対象部材として選択されたことになる。そして図6と図7に示される第4実施例は柱31と布基礎33とに各一つの固定点を定めまた図6と図8に示される第5実施例は柱32に二つの固定点を布基礎33に一つの固定点を定めている。
【0028】
第4実施例では、布基礎33にアンカーボルト34が圧入され接着材35が施されている。頭部36はアンカーボルト34に螺合され布基礎33の外部に露出した状態となる。柱31には第1実施例(図1と図2参照)で説明したボルト状固定具の補強構造が形成されている。そして主固定具1の頭部4とアンカーボルト34の頭部36間に、接続要素としてのロッド37が架設され、その両端にナット38、39が取付けられて主固定具1とアンカーボルト34間に相対的な引張力を付与せしめている。
【0029】
従って、第4実施例に示す建築、構築物の補強構造が予期せぬ大きな地震に襲われても、先ず柱31の固定点に採用したボルト状固定具の補強構造が機能する。つまり主固定具1が反力伝達金具7と従固定具としてのコーチボルト11の存在によって反力が伝達されるから柱31から主固定具1の浮き上がりやその頭部4の変形することが阻止される。更に、この頭部4が接続要素としてのロッド37で接続され且つその間に引張力が付与されているから、主固定具1をアンカーボルト34が規制しもって柱31を布基礎33が規制することになり、柱31が土台40から浮いたり外れたりすることを阻止することができる。
【0030】
第5実施例に示す建築、構築物の補強構造では、柱32に二つの固定点が定められ、それぞれに第1実施例(図1と図2参照)で説明したボルト状固定具の補強構造が採用されている。そして上側の主固定具1の頭部4と、中央の主固定具1の頭部4と、布基礎33に圧入したアンカーボルト34の頭部36との間に、接続要素としての通しロッド41が架設され、その両端にナット38、39がまた中央の頭部4の上下側に止めナット42、43がそれぞれ取付けられて二つの主固定具1、1とアンカーボルト34間に相対的な引張力を付与せしめている。
【0031】
従ってこの第5実施例で示す建築、構築物の補強構造が予期せぬ大きな地震に襲われ上下と左右の合成方向、即ち斜め方向で剪断荷重が作用しても、先ず柱32の二つの固定点に採用した各ボルト状固定具の補強構造が機能し、二つの主固定具1、1の浮き上がりや変形を各々阻止する。更に、二つの頭部4が接続要素として通しロッド41で接続され且つその間に引張力が付与されているから、二つの主固定具1、1をアンカーボルト34が規制しもって柱32を布基礎33が規制することになり、柱32が土台40から浮いたり外れたりすることを阻止することができる。
【0032】
第4実施例と第5実施例にあっては、共通する部分が多く、更にその他の構造と各部の作用、機能は、上記第1実施例と同様につき、それぞれ共通する部分を同一符号で示すことにして重複説明を省略する。
【0033】
図9は第6実施例を示す。この第6実施例で示す建築、構築物の補強構造では、木造住宅の複数の強度部材の内、斜めに位置する少なくとも二つの強度部材として柱44と布基礎33、そして更に柱45と布基礎33が、それぞれ取付け対象部材として選択されている。
【0034】
図10は第7実施例を示す。この第7実施例で示す建築、構築物の補強構造では、木造住宅の複数の強度部材の内、上下に位置する少なくとも二つの強度部材として土台46と柱47を、またこれに加えて柱48と桁49、柱50を挟んで左右の桁49と51を、それぞれ取付け対象部材として選択している。
【0035】
そして第6と第7の両実施例では、それぞれ選択した取付け対象部材に、固定点を定め、第1実施例(図1と図2参照)で説明したボルト状固定具の補強構造を各々に採用している。
【0036】
従って第7実施例で示す建築、構築物の補強構造では、大きな地震によって水平方向に剪断荷重が作用しても、柱47と土台46、柱48と桁49、左右の桁49、51と間の柱50、の各接合部分が浮いたり、外れたりすることを阻止することができる。同様に第6実施例では、上下・左右の合成された方向、即ち斜め方向へ荷重が負荷されても、斜め方向での柱44と布基礎33、柱45と布基礎33の強度を補強しているから、各接合部分が外れたり浮いたりすることがない。この補強構造の場合、特に筋違補強としても効果的である。なお、第6実施例と第7実施例にあっては、共通する部分が多く、更にその他の構造と各部の作用、機能は、上記第1実施例と同様につき、それぞれ共通する部分を同一符号で示すことにして重複説明を省略する。
【0037】
【発明の効果】
この発明によるボルト状固定具の補強構造そしてこれを使用した建築、構築物の補強構造によれば、予期せぬ大きな外圧がかかった場合や大きな地震が発生した場合でも、取付け対象部材へ圧入して固定したボルト状の主固定具の浮き上がりや変形を阻止でき、また建築、構築物の複数の強度部材の各接合部を維持し浮いたり外れたりすることを防止できるという優れた効果が期待できる。
【0038】
更にこのボルト状固定具の補強構造を使用した建築、構築物の補強構造は、新築や既存を問わず外装仕上げ材を施してもその後から後付けして適用できるから特に既存の建築、構築物の補強に好適である。
【図面の簡単な説明】
【図1】この発明の第1実施例を示す側面図。
【図2】図1の矢示II−II線に沿う断面図。
【図3】第2実施例を示す側面図。
【図4】図3の矢示IV−IV線に沿う断面図。
【図5】第3実施例を示す断面図。
【図6】第4実施例と第5実施例を併せて示す木造住宅の概略側面図。
【図7】第4実施例を詳細に示す断面図。
【図8】第5実施例を詳細に示す断面図。
【図9】第6実施例を示す木造住宅の概略側面図。
【図10】第7実施例を示す木造住宅の概略側面図。
【符号の説明】
1 主固定具
5 取付け対象部材、桁
7、14、18 反力伝達金具
11、19 従固定具、コーチボルト
31、32 取付け対象部材、柱
33 布基礎
34 アンカーボルト
37 接続要素、通しロッド
44、49、51 取付け対象部材、桁
47、48、50 取付け対象部材、柱
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a reinforcing structure for a bolt-shaped fixture and a reinforcing structure for a building or a structure using the same.
[0002]
[Prior art]
When a bolt that bears strength is pressed into wood such as pillars, beams, girders, etc. of buildings, and when this bolt is used as a fixing point and any product is hung there or other members are joined, the safety level is reduced. In consideration of the size, such as the diameter and length of the bolt, the shear load applied to the bolt head is dealt with.
[0003]
[Problems to be solved by the invention]
However, if an unexpectedly large external pressure is applied to the bolt head, or an earthquake with a large seismic intensity hits a building or structure, a shear load larger than the normal assumed shear load is applied. As a result, the bending load and the tensile load are applied to the bolt head and the like. As a result, the bolt may be deformed or the bolt may float from the xylem.
[0004]
Therefore, the present invention reinforces the fixing state of the bolt so that the bolt does not deform or float from the timber in such a case, and the construction using such a bolt, It is intended to reinforce the joint state of the structural members of the structure.
[0005]
[Means for Solving the Problems]
According to the first aspect of the present invention, a bolt-shaped main fixture that is press-fitted and fixed to a member to be attached is engaged with a reaction force transmission bracket having a spread in the crossing direction and corresponds to the attachment surface of the member to be attached. Position and position the reaction force transmission bracket directly or indirectly from the inner surface side by a bolt-shaped secondary fixture that is press-fitted and fixed to the mounting target member in the same position as the main fixture at the peripheral position of the main fixture. The reinforcing structure of the bolt-shaped fixture is configured by allowing reaction force to be applied to the reaction force transmission fitting.
[0006]
In the invention according to claim 2, when the attachment target member is a strength member of a building or a structure, the spread size of the reaction force transmission metal fittings arranged there is adjusted and extended to a plurality of attachment target members. By attaching them, the reaction force transmission metal fittings are provided with a reaction force transmission function and a joining function.
[0007]
Furthermore, in the invention of claim 3, the mounting position of the reaction force transmission fitting is not directly abutted on the mounting surface of the mounting target member, and the mounting surface of the mounting target member is placed along the outer surface of the finishing material. Corresponding positioning was performed , and a structure in which a fixing tool was press-fitted in accordance with the same surface position as the outer surface of the finishing material was configured.
[0008]
Further, the invention of claim 4 is intended for a case where the above-described reinforcing structure of the bolt-shaped fixture is employed for a plurality of strength members of a building or a structure. That is, at least two strength members are selected as attachment target members from among a plurality of strength members of buildings and structures, and fixing points are set for each attachment target member, and a bolt-shaped main fixture is press-fitted and fixed to each fixing point. First of all, it is premised on the construction structure or the reinforcement structure of the structure in which the connecting element is installed between both main fixtures to give a relative tensile force, and at least one main fixture is spread in the cross direction. Bolt-shaped secondary fixing in which the force transmission fitting is engaged and positioned corresponding to the mounting surface of the mounting target member, and is pressed into the mounting target member in the same direction as the main fixing tool at the peripheral position of the main fixing tool. The reaction force transmission fitting is directly or indirectly supported by the tool from the inner surface side, and the reinforcement structure of the building or the structure that can apply the reaction force to the reaction force transmission fitting is configured.
[0009]
Further, the invention of claim 5 is a reinforcing structure for a building or a structure in which at least two strength members located on the top, bottom, diagonal, or left and right among a plurality of strength members of a building or a structure are selected as attachment target members. .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The reinforcement structure for a bolt-shaped fixture according to the present invention is mainly composed of a main fixture, a reaction force transmission fitting, and a secondary fixture. The main fixture is in the form of a bolt, and is press-fitted and fixed to the attachment target member.
[0011]
In the above and the following description, press-fitting refers to the case where the mounting hole is formed in the counterpart member in advance and screwed there, or the screwed portion is preliminarily split to make it spread in addition to screwing. It is a term that includes a case in which a female receiving part is inserted into a mating member in advance and incorporated into the mating member, and a case where the female receiving part is bitten into the mating site without opening the mounting hole. Is used as a term including all of them.
[0012]
The reaction force transmission fitting is engaged with the bolt-shaped main fixture in the crossing direction, and is positioned corresponding to the attachment surface of the member to be attached, and has a panel shape or plate shape having an arbitrary spread. , Nuts, hooks and other metal fittings.
[0013]
The crossing direction means the shearing direction of the main fixture, and the way of engagement is not limited to screwing, fitting, etc. The shear load of the main fixture can be transmitted to the reaction force transmission fitting, and vice versa. Any engagement method may be used as long as stress can be transmitted from the main fixture to the main fixture. Therefore, it does not matter whether the reaction force transmission fitting is combined with the main fixture, either directly or indirectly.
Corresponding positioning to the mounting surface refers to the case where it directly contacts the mounting surface, the case where it is made to correspond after a short interval, or another member such as an exterior material is present between the mounting surface and the other member on the outer surface. This includes the case where it follows.
[0014]
And this reaction force transmission metal fitting can also be extended and attached to other attachment object members when the attachment object member is a strength member of a building or a structure. In this case, the reaction force transmission function It will have a bonding function.
[0015]
Supporting fixture is intended primarily fastener bolt shaped to fixedly press-fitted to the mounting target member and the main fastener to substantially the same direction around the position of, directly or indirectly, the inner surface side reaction transmitting bracket It is possible to apply a reaction force to the reaction force transmission fitting. The state of supporting the reaction force transmission fitting from the inner surface side includes a case where the reaction force transmission fitting is merely brought into contact, and a case where the reaction force transmission fitting is joined via a nut.
[0016]
Moreover, the reinforcement structure of the building and the structure according to the present invention is such that at least two strength members are selected as attachment target members from among a plurality of strength members of the building and the construction, and fixing points are determined for the respective attachment target members. It is assumed that a bolt-shaped main fixture is press-fitted and fixed, and a connecting element is installed between both main fixtures to apply a relative tensile force. The term "several strength members for buildings and structures" refers to members that bear strength in a wide range of buildings and structures such as columns, beams, girders, foundations, cloth foundations, pace parts, and other members supported by this pace part. Used as.
[0017]
The connecting element is installed and connected between the heads of the main fixture to give a relative tensile force to it, but it can be installed or connected directly or through other auxiliary parts. You may make it do.
[0018]
In addition to the above-mentioned structure, the building and structure reinforcement structure is further configured under the following conditions. That is, for at least one main fixture in the cross direction, Rutotomoni to correspond positioned on the mounting surface of and attachment object member engaging the reaction force transmission bracket having a spread primarily fixture around the position of the main fixture It is possible to directly or indirectly support the reaction force transmission bracket from the inner surface side with a bolt-shaped secondary fixture that is press-fitted into the mounting target member in approximately the same direction and to apply a reaction force to the reaction force transmission bracket. To do .
[0019]
Then, it is possible to select at least two strength members located on the top, bottom, diagonal, or left and right as the attachment target members among the plurality of strength members of the building and the structure.
[0020]
【Example】
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a first embodiment. The bolt-shaped main fixture 1 has a screw part 2, a body part 3, and a head part 4. The screw part 2 is press-fitted into a girder 5 as an attachment target member, and the body part 3 is press-fitted into an outer wall finishing material 6. The head 4 is attached to the girder 5 with the head exposed to the outside.
The reaction force transmission fitting 7 has a rectangular plate-like shape and has a size corresponding to the vertical width of the beam 5. The reaction force transmission fitting 7 is combined with the main fixture 1 in a crossing manner, that is, in a shearing direction which is downward in FIG. Is done. Then, the reaction force transmission fitting 7 is placed on the outer surface 8 of the outer wall finishing material 6, and as a result, is positioned corresponding to the mounting surface 9 of the girder 5, and presses the four stainless-coil bolts 10 into the outer wall finishing material 6 and the girder 5. Accordingly, the reaction force transmission fitting 7 is fixed there.
[0021]
Before fixing the reaction force transmission fitting 7 as described above, three coach bolts 11 as a secondary fixing tool are press-fitted into the outer wall finishing material 6 and the girder 5, and the head 12 thereof is connected to the outer surface 8 of the outer wall finishing material 6. In other words, they are embedded in the same surface position. Therefore, when the reaction force transmission fitting 7 is fixed, the reaction force transmission fitting 7 is supported by the coach bolt 11 by the inner surface 13 of the reaction force transmission fitting 7 coming into contact with the heads 12 of the three coach bolts 11.
[0022]
In such a bolt-shaped fixture reinforcing structure, if an unexpected load is instantaneously applied in the shearing direction, that is, the downward direction in FIG. 2, the head 4 of the main fixture 1 transmits the reaction force. The load is transmitted to the three coach bolts 11 which are the secondary fixtures via the metal fittings 7. On the contrary, since the three force bolts 11 support the load, the reaction force transmission metal fitting 7 transmits the reaction force to the main fixture. Therefore, the main fixing tool 1 is restricted from floating from the girder 5 or its head 4 being deformed.
[0023]
3 and 4 show a second embodiment. The reaction force transmission fitting 14 has a rectangular shape which is long at the top and bottom, and has a size that extends not only to the attachment surface 9 of the girder 5 but also to a part of the attachment surface 16 of the column 15, and has eight stainless coach bolts 17 attached to the outer wall. The reaction force transmission fitting 14 is fixed there by press-fitting it into the finishing material 6 and the girder 5 and further into the column 15. Accordingly, the reaction force transmission fitting 14 joins the beam 5 and the column 15 and has a reaction force transmission function and a joining function. The other structure and the operation and function of each part are the same as those in the first embodiment, and common parts are denoted by the same reference numerals, and redundant description is omitted.
[0024]
FIG. 5 shows a third embodiment. The thick plate-like reaction force transmission fitting 18 is directly attached and fixed to the attachment surface 21 of the attachment target member 20 by a bolt-like secondary fixture 19. The secondary fixture 19 has a state in which the head 22 passes through the reaction force transmission fitting 18 and the nut 24 is tightened via a nut-like spacer 23 to sandwich the reaction force transmission fixture 18. Reference numeral 19 supports a reaction force transmission fitting 18.
[0025]
For this reason, the exterior finishing material 25 includes an opening 26 for receiving the reaction force transmission fitting 18, and the opening 26 is covered with a covering plate 27. The covering plate 27 is fixed to the exterior finishing material 25 with a stainless steel coach bolt 28. The reaction force transmission fitting 18 and the main fixture 1 are engaged with each other by forming a screw portion 30 in the body portion 29 of the main fixture 1 and forming a screw portion corresponding to the reaction force transmission fitting 18 and screwing together. It is done by doing.
[0026]
Therefore, when an unexpected shear load is applied to the head 4 of the main fixture 1 downward in FIG. 5, the upper secondary fixture 19 moves to the left in FIG. Although it is going to move rightward, conversely, the reaction force is transmitted from the lower secondary fixture 19 to the upper secondary fixture 19 via the reaction force transmission bracket 18, so that the main fixture 1 It is prevented that the mounting target member 20 is lifted or its head 4 is deformed.
The other structure and the operation and function of each part are the same as those in the first embodiment, and common parts are denoted by the same reference numerals, and redundant description is omitted.
[0027]
6 to 8 show a fourth embodiment and a fifth embodiment. In both embodiments, the pillars 31 and 32 and the fabric foundation 33 are selected as the members to be attached among the plurality of strength members in the wooden house. Therefore, in both embodiments, the two strength members positioned above and below are selected as the attachment target members. The fourth embodiment shown in FIGS. 6 and 7 defines one fixing point for each of the pillar 31 and the fabric base 33, and the fifth embodiment shown in FIGS. 6 and 8 has two fixing points for the pillar 32. One fixed point is defined on the cloth base 33.
[0028]
In the fourth embodiment, the anchor bolt 34 is press-fitted into the fabric base 33 and the adhesive 35 is applied. The head 36 is screwed into the anchor bolt 34 and is exposed to the outside of the fabric base 33. The column 31 is formed with the reinforcing structure of the bolt-shaped fixture described in the first embodiment (see FIGS. 1 and 2). Then, a rod 37 as a connecting element is installed between the head 4 of the main fixture 1 and the head 36 of the anchor bolt 34, and nuts 38, 39 are attached to both ends of the rod 37 so as to be between the main fixture 1 and the anchor bolt 34. Is given a relative tensile force.
[0029]
Therefore, even if the reinforcing structure of the building or structure shown in the fourth embodiment is hit by an unexpected large earthquake, the reinforcing structure of the bolt-shaped fixing member first employed at the fixing point of the pillar 31 functions. That is, the main fixture 1 is prevented from lifting the main fixture 1 from the column 31 and deforming its head 4 because the reaction force is transmitted by the presence of the reaction force transmission fitting 7 and the coach bolt 11 as a secondary fixture. Is done. Further, since the head 4 is connected by a rod 37 as a connecting element and a tensile force is applied therebetween, the anchor bolt 34 regulates the main fixture 1 and the cloth foundation 33 regulates the column 31. Thus, it is possible to prevent the pillar 31 from floating or coming off the base 40.
[0030]
In the reinforcing structure of the building and structure shown in the fifth embodiment, two fixing points are defined on the pillar 32, and the reinforcing structure of the bolt-shaped fixture described in the first embodiment (see FIGS. 1 and 2) is provided for each. It has been adopted. A through rod 41 as a connecting element is provided between the head 4 of the upper main fixture 1, the head 4 of the central main fixture 1, and the head 36 of the anchor bolt 34 press-fitted into the fabric foundation 33. And nuts 38 and 39 are attached to both ends thereof, and locking nuts 42 and 43 are attached to the upper and lower sides of the central head 4, respectively, so that the relative tension between the two main fixtures 1 and 1 and the anchor bolt 34 is increased. It gives power.
[0031]
Therefore, even if the reinforcement structure of the building and structure shown in the fifth embodiment is attacked by an unexpected large earthquake and a shear load is applied in the combined direction of the top and bottom and the left and right, that is, the diagonal direction, first, the two fixed points of the pillar 32 The reinforcing structure of each bolt-shaped fixture employed in the above functions and prevents the two main fixtures 1 and 1 from being lifted and deformed. Further, since the two heads 4 are connected by connecting rods 41 as connecting elements and a tensile force is applied between them, the anchor bolts 34 regulate the two main fixtures 1, 1, and the pillar 32 is the fabric foundation. 33 will regulate, and it is possible to prevent the pillar 32 from floating or coming off the base 40.
[0032]
In the fourth embodiment and the fifth embodiment, there are many common parts, and the structure and operation of other parts are the same as those in the first embodiment, and the common parts are denoted by the same reference numerals. In particular, redundant explanation is omitted.
[0033]
FIG. 9 shows a sixth embodiment. In the reinforcing structure of the building and structure shown in the sixth embodiment, the pillar 44 and the cloth foundation 33, and further the pillar 45 and the cloth foundation 33 are arranged as at least two strength members diagonally located among the plurality of strength members of the wooden house. Are selected as attachment target members.
[0034]
FIG. 10 shows a seventh embodiment. In the reinforcement structure of the building and structure shown in the seventh embodiment, the base 46 and the pillar 47 are provided as at least two strength members positioned above and below the plurality of strength members of the wooden house, and in addition to this, the pillar 48 and The left and right girders 49 and 51 across the girder 49 and the column 50 are selected as attachment target members, respectively.
[0035]
In both the sixth and seventh embodiments, a fixing point is set for each selected attachment target member, and the reinforcing structure of the bolt-shaped fixture described in the first embodiment (see FIGS. 1 and 2) is provided for each. Adopted.
[0036]
Therefore, in the reinforcing structure of the building and structure shown in the seventh embodiment, even if a shear load is applied in the horizontal direction due to a large earthquake, the column 47 and the base 46, the column 48 and the gird 49, and the left and right girds 49 and 51 It is possible to prevent each joint portion of the pillar 50 from floating or coming off. Similarly, the sixth embodiment reinforces the strength of the pillar 44 and the cloth foundation 33 and the pillar 45 and the cloth foundation 33 in the oblique direction even when a load is applied in the combined direction of the top, bottom, left and right, that is, the oblique direction. Therefore, each joint part does not come off or float. In the case of this reinforcing structure, it is particularly effective as reinforcement for struts. In the sixth embodiment and the seventh embodiment, there are many common parts, and the operation and functions of other parts are the same as those in the first embodiment. The duplicate description will be omitted.
[0037]
【The invention's effect】
According to the reinforcing structure of the bolt-shaped fixture according to the present invention and the reinforcing structure of a building or a structure using the same, even if an unexpected large external pressure is applied or a large earthquake occurs, it is press-fitted into the mounting target member. It can be expected that the fixed bolt-shaped main fixing tool can be prevented from being lifted or deformed, and can be prevented from floating or coming off while maintaining each joint portion of a plurality of strength members of a building or a structure.
[0038]
In addition, the reinforcement structure for buildings and structures using this bolt-shaped fixture reinforcement structure can be applied afterwards, regardless of whether it is a new construction or an existing exterior finish. Is preferred.
[Brief description of the drawings]
FIG. 1 is a side view showing a first embodiment of the present invention.
2 is a cross-sectional view taken along the line II-II in FIG.
FIG. 3 is a side view showing a second embodiment.
4 is a cross-sectional view taken along the line IV-IV in FIG.
FIG. 5 is a sectional view showing a third embodiment.
FIG. 6 is a schematic side view of a wooden house showing a fourth embodiment and a fifth embodiment together.
FIG. 7 is a sectional view showing details of a fourth embodiment.
FIG. 8 is a sectional view showing in detail a fifth embodiment.
FIG. 9 is a schematic side view of a wooden house showing a sixth embodiment.
FIG. 10 is a schematic side view of a wooden house showing a seventh embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main fixing tool 5 Attachment object member, Girder 7, 14, 18 Reaction force transmission metal fittings 11, 19 Secondary fixing tool, Coach bolts 31, 32 Attachment object member, pillar 33 Cloth foundation 34 Anchor bolt 37 Connection element, through rod 44, 49, 51 Attachment target member, girders 47, 48, 50 Attachment target member, pillar

Claims (5)

取付け対象部材へ圧入して固定したボルト状の主固定具に対し、交差方向で、広がりを有する反力伝達金具を係合させ且つ取付け対象部材の取付け面に対応位置決めすると共に、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させたボルト状の従固定具により直接的または間接的に反力伝達金具を内面側から支持せしめこの反力伝達金具に反力を付与可能としたボルト状固定具の補強構造。To the mounting object member bolt like that press fit and fixed to the main fixture in the cross direction, with corresponding positioning the mounting surface of and attachment object member engaging the reaction force transmission bracket having a spread of the primary fixture The reaction force transmission bracket is supported directly or indirectly from the inner surface by a bolt-shaped secondary fixture that is press-fitted and fixed to the mounting target member in the same direction as the main fixture at the peripheral position. Reinforcement structure of a bolt-shaped fixture that can apply reaction force. 取付け対象部材が、建築、構築物の強度部材であって、反力伝達金具が複数の取付け対象部材にまで延設して取り付けられ反力伝達機能と接合機能をもつものである、請求項1記載のボルト状固定具の補強構造。  The attachment target member is a strength member of a building or a structure, and the reaction force transmission fitting is extended and attached to a plurality of attachment target members, and has a reaction force transmission function and a joining function. Reinforcement structure for bolt-shaped fasteners. 反力伝達金具を仕上げ材の外面に沿わせた状態で取付け対象部材の取付け面に対応位置決めさせ、その仕上げ材の外面と同じ面位置となる状態に従固定具を圧入してある、請求項1または2いずれか記載のボルト状固定具の補強構造。The reaction force transmission fitting is positioned corresponding to the mounting surface of the member to be mounted in a state along the outer surface of the finishing material, and the fixing tool is press-fitted in accordance with the same surface position as the outer surface of the finishing material. The reinforcement structure of the bolt-shaped fixing tool of either 1 or 2. 建築、構築物の複数の強度部材の内、少なくとも二つの強度部材を取付け対象部材として選択し、各取付け対象部材に各々固定点を定め各固定点にボルト状の主固定具を圧入固定し、両方の主固定具間へ接続要素を架設して相対的な引張力を付与せしめる建築、構築物の補強構造であって、
少なくとも一方の主固定具に対し、交差方向で、広がりを有する反力伝達金具を係合させ且つ取付け対象部材の取付け面に対応位置決めすると共に、主固定具の周辺位置で主固定具とほぼ同方向へ取付け対象部材に圧入して固定させたボルト状の従固定具により直接的または間接的に反力伝達金具を内面側から支持せしめこの反力伝達金具に反力を付与可能とした建築、構築物の補強構造。
At least two strength members are selected as attachment target members from among a plurality of strength members of buildings and structures, and fixing points are determined for each attachment target member, and a bolt-shaped main fixture is press-fitted and fixed to each fixing point. It is a reinforcing structure for buildings and structures in which a connecting element is installed between the main fixtures to give a relative tensile force,
At least one main fixture is engaged with a reaction force transmission fitting having a spread in the intersecting direction and positioned corresponding to the attachment surface of the member to be attached , and is substantially the same as the main fixture at the peripheral position of the main fixture. A construction that allows a reaction force to be applied to the reaction force transmission bracket by directly or indirectly supporting the reaction force transmission bracket from the inner surface side with a bolt-shaped secondary fixture that is press-fitted and fixed to the mounting target member in the direction, Reinforcement structure of the structure.
建築、構築物の複数の強度部材の内、上下、斜め、または左右に位置する少なくとも二つの強度部材を取付け対象部材として選択する、請求項4記載の建築、構築物の補強構造。  The reinforcement structure of a building or a structure according to claim 4, wherein at least two strength members located on the top, bottom, diagonal, or right and left among a plurality of strength members of the building and the structure are selected as attachment target members.
JP03552597A 1997-02-03 1997-02-03 Reinforcement structure for bolt-shaped fixtures and building and structure reinforcement structures using the same Expired - Fee Related JP3742703B2 (en)

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