JP2010150899A - Bracing member - Google Patents

Bracing member Download PDF

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JP2010150899A
JP2010150899A JP2008335961A JP2008335961A JP2010150899A JP 2010150899 A JP2010150899 A JP 2010150899A JP 2008335961 A JP2008335961 A JP 2008335961A JP 2008335961 A JP2008335961 A JP 2008335961A JP 2010150899 A JP2010150899 A JP 2010150899A
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brace material
joint
bar
brace
shaped member
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JP5571896B2 (en
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Toru Iwakawa
徹 岩川
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Nippon Eisei Center Co Ltd
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Nippon Eisei Center Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a bracing member of high proof stress allowing easy mounting of a composite member formed by combining a steel bar with a square member. <P>SOLUTION: The bracing member 1 includes bar-like members 2a, 2b with two partially overlapped steel bars 5a, 5b fastened by fasteners 4a, 4b and integrated; joint fittings 3a, 3b with which end screws 10a, 10b threaded at both ends of the bar-like members 2a, 2b are engaged; and joint members 9a, 9b composed of column-beam mounting parts 7a, 7b connected to beam members 12 and column members 11 at connections 13, and brace mounting parts 8a, 8b to which the joint fittings 3a, 3b with the bar-like members 2a, 2b engaged are joined by welding and to which the square members 6a, 6b are joined with bolts. A composite bracing member with the square members 6a, 6b and steel bars 5a, 5b is thus formed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、木造建物の構造材としてのブレース材に係り、特に、柱材と梁材とからなる骨組の仕口に取り付けられるブレース材に関する。  The present invention relates to a brace material as a structural material of a wooden building, and more particularly to a brace material attached to a framed joint composed of a pillar material and a beam material.

木造建物、例えば一般住宅、集合住宅、店舗などでは、木製の角材をブレース材として柱材と梁材とからなる骨組の仕口にＸ字型、Ｖ字型などに取り付けるのが一般的である。また、棒鋼を柱材と梁材とからなる骨組の仕口にＸ字型、Ｖ字型などに取り付けるのも一般的である。また、既設の木造建物の耐震補強では、新たに柱材と梁材とからなる骨組の面内に棒鋼などをブレース材としてＸ字型、Ｖ字型などに取り付けるのが一般的である。  In wooden buildings, such as ordinary houses, apartment houses, stores, etc., it is common to attach wooden squares to braces and attach them to X-shaped, V-shaped, etc. in the framework of pillars and beams. . It is also common to attach steel bars to X-shaped, V-shaped, etc. to the joints of the frame consisting of pillars and beams. Further, in the seismic reinforcement of an existing wooden building, it is common to newly attach a steel bar or the like as a brace material to an X-shape, a V-shape, or the like in the plane of a frame composed of a pillar material and a beam material.

引張材であるブレース材は、棒鋼を用いる場合には、ターンバックルにより２本の棒鋼を接続し、ターンバックルを回転させることで２本の棒鋼を引き寄せてブレース材に張力を導入する。また、骨組の仕口に対しては、棒鋼の端部に接続用のボルト孔が設けられた鋼板からなる羽子板により仕口の金物とボルト接合する方法が採られる。  In the case of using a steel bar, the brace material, which is a tensile material, connects the two steel bars by a turnbuckle and pulls the two steel bars by rotating the turnbuckle to introduce a tension to the brace material. In addition, for the joint of the frame, a method is adopted in which the metal fitting of the joint is bolted with a wing plate made of a steel plate provided with a bolt hole for connection at the end of the steel bar.

また、木製の角材をブレース材として用いる場合には、柱材と梁材とからなる骨組の仕口に角材をスクリューボルトなどの接合材により接合する方法が採られる。  Moreover, when using a wooden square as a brace material, the method of joining a square with the joining material, such as a screw volt | bolt, to the joint of the frame which consists of a pillar material and a beam material is taken.

一方、特許文献１には、制震ブレース構造が開示されている。ここでは、棒鋼からなるブレース材、ブレース材に接続され、ブレース材の回転移動に伴って回転する締結体、及び建造物の仕口に固定される固定部と、間隙を置いて締結体を保持し、ブレース材に生じる引張力を、締結体を介して固定部に伝達する保持部とを有する連結体が開示されている。  On the other hand, Patent Document 1 discloses a vibration control brace structure. Here, braces made of steel bars, fasteners that are connected to the brace material and rotate as the brace material rotates, and fixed parts that are fixed to the joints of the building, and hold the fasteners with a gap And the coupling body which has the holding | maintenance part which transmits the tensile force which arises in a brace material to a fixing | fixed part via a fastening body is disclosed.

特開２００７−１３２１０８号公報JP 2007-132108 A

従来の角材を用いたブレース材では、角材の強度が棒鋼などと比較して低く、ブレース材としての十分な耐力が取りにくいという問題がある。また、角材を柱材と梁材との仕口にボルトで接合するため、角材に張力を導入する手段がない。これにより、取り付けられた角材に撓みた曲がりがあると、地震時などで角材に引張力が作用した場合に構造体の変形が過大になるという問題がある。  A brace material using a conventional square bar has a problem that the strength of the square bar is lower than that of a bar steel or the like, and it is difficult to obtain sufficient proof stress as a brace material. In addition, since the square member is joined to the joint between the column member and the beam member with a bolt, there is no means for introducing tension into the square member. As a result, if the attached square member is bent, there is a problem that the deformation of the structure becomes excessive when a tensile force acts on the square member during an earthquake or the like.

また、従来の棒鋼を用いたブレース材では、ターンバックルによる張力導入は可能である。しかし、地震時の耐力を高めるには、棒鋼の径を太くすることになるが、それにつれてターンバックルや羽子板も大きくなり、所定の場所に納まらなくなる場合がある。また、端部の羽子板は仕口に設けられた金物に対してボルト止めされるため、位置合わせをしなければならず簡易な取り付け方法とはいえない。  Moreover, in the brace material using the conventional steel bar, it is possible to introduce tension by a turnbuckle. However, in order to increase the yield strength during an earthquake, the diameter of the steel bar will be increased, but the turnbuckle and the battledore will also increase accordingly, and may not fit in place. In addition, since the end feather plate is bolted to the hardware provided in the joint, it must be aligned and cannot be said to be a simple attachment method.

本願の目的は、かかる課題を解決し、棒鋼と角材とを組合せた複合材が簡易に取り付けられ、耐力の高いブレース材を提供することである。  An object of the present application is to solve such a problem and provide a brace material having a high yield strength, in which a composite material in which a steel bar and a square member are combined can be easily attached.

上記目的を達成するため、本発明に係るブレース材は、柱材と梁材とからなる骨組の仕口に設けられるブレース材において、部分的に重ね合わされた２本の棒鋼を締付具により締め付けて一体化した棒状部材と、棒状部材の両端に切られたねじ部が係合する接合金具と、仕口の梁材及び柱材に接続する柱梁取付け部と、棒状部材が係合された接合金具が溶接接合されるブレース材取付け部とから構成される接合部材と、を備えることを特徴とする。  In order to achieve the above object, a brace material according to the present invention is a brace material provided at a joint of a frame composed of a pillar material and a beam material, and two steel bars partially overlapped are tightened with a fastener. The bar-shaped member is engaged, the joint fitting that engages the threaded parts cut at both ends of the bar-shaped member, the beam member and the column beam mounting part that connects to the column member, and the bar-shaped member. And a joining member constituted by a brace material mounting portion to which the joining fitting is welded.

上記構成により、棒状部材を構成する２本の棒鋼は、締付具により締め付けるという簡易な方法により一体化できる。また、棒状部材は、その両端に切られたねじ部が係合する接合金具を介して接合部材のブレース材取付け部に溶接接合される。これにより、棒状部材は、ブレース材取付け部の接合可能な任意の位置に取り付けられることから、施工上の誤差を容易に吸収することができる。  With the above configuration, the two steel bars constituting the rod-shaped member can be integrated by a simple method of tightening with a fastener. Further, the rod-like member is welded and joined to the brace material mounting portion of the joining member via a joining metal fitting with threaded portions cut at both ends thereof. Thereby, since a rod-shaped member is attached to the arbitrary positions which can join a brace material attaching part, it can absorb construction errors easily.

また、上記ブレース材は、接合金具が、ブレース材取付け部に溶接接合される板状の溶接接合部と、棒状部材の両端に切られたねじ部が係合する棒鋼係合部と、溶接接合部及び棒鋼係合部を連結し、その板材の一部が半円筒状に起立する連結部とから構成され、連結部は、棒状部材の角度の変化に対応してその軸が傾斜することが好ましい。これにより、連結部は、棒状部材の角度の変化に対応して軸が傾斜するという、ピン接合に近い挙動を行い、接合金具及びブレース材取付け部に発生する捩れなどの応力を減少することができる。  Further, the brace material includes a plate-like welded joint in which the joint fitting is welded to the brace material mounting part, a steel bar engaging part in which the threaded parts cut at both ends of the bar-like member are engaged, and a welded joint. And the steel bar engaging part, and a part of the plate material is composed of a semi-cylindrical connecting part, and the connecting part may be inclined in accordance with the change of the angle of the bar-like member. preferable. As a result, the connecting portion performs a behavior close to pin joining, in which the shaft is inclined in response to a change in the angle of the rod-like member, and stress such as torsion occurring in the joining bracket and the brace material mounting portion can be reduced. it can.

さらに、上記ブレース材は、連結部が、その半円筒部分の軸が棒状部材と交差する方向に向けられ、棒状部材の長さの変化に対応して伸縮することが好ましい。これにより、連結部が棒状部材の長さの変化に対応して伸縮し、地震時に棒状部材に加わる衝撃力を吸収する緩衝材としての役割を有する。  Further, the brace material preferably has the connecting portion oriented in a direction in which the axis of the semi-cylindrical portion intersects the rod-shaped member, and expands and contracts in response to a change in the length of the rod-shaped member. Thereby, a connection part expands and contracts according to the change of the length of a rod-shaped member, and has a role as a shock absorbing material which absorbs the impact force added to a rod-shaped member at the time of an earthquake.

上記目的を達成するため、本発明に係るブレース材は、柱材と梁材とからなる骨組の仕口に設けられるブレース材において、部分的に重ね合わされた２本の棒鋼を締付具により締め付けて一体化した棒状部材と、棒状部材の両端に切られたねじ部が係合する接合金具と、仕口の梁材及び柱材に接続する柱梁取付け部と、棒状部材が係合された接合金具が嵌合される開口を有するブレース材取付け部とから構成される接合部材と、を備えることを特徴とする。  In order to achieve the above object, a brace material according to the present invention is a brace material provided at a joint of a frame composed of a pillar material and a beam material, and two steel bars partially overlapped are tightened with a fastener. The bar-shaped member is engaged, the joint fitting that engages the threaded parts cut at both ends of the bar-shaped member, the beam member and the column beam mounting part that connects to the column member, and the bar-shaped member. And a bracing member mounting portion having an opening into which the joining metal fitting is fitted.

上記構成により、棒状部材が係合された接合金具は、ブレース材取付け部に設けられた開口に嵌合され、棒状部材は接合金具を中心として回転自在となり、ピン接合としての挙動を行い、接合金具及びブレース材取付け部に発生する捩れなどの応力を減少することができる。  With the above configuration, the joint fitting with which the rod-shaped member is engaged is fitted into the opening provided in the brace material mounting portion, and the rod-shaped member is rotatable around the joint bracket, and behaves as a pin joint. It is possible to reduce stress such as torsion that occurs in the bracket and the brace material mounting portion.

また、上記ブレース材は、接合金具が、棒状部材の両端に切られたねじ部が係合する円形の棒鋼係合部と、棒鋼係合部から円盤状に突出する縁部とから構成され、ブレース材取付け部の開口には、縁部が係止する円盤状の係止板が設けられることが好ましい。これにより、接合金具は、縁部がブレース材取付け部の係止板に係止されることで、ブレース材取付け部に対して回転自在に接続される。  In addition, the brace material is composed of a circular metal bar engaging part with which a threaded part cut at both ends of the bar-shaped member is engaged, and an edge part protruding in a disk shape from the bar steel engaging part, It is preferable that a disc-shaped locking plate whose edge is locked is provided at the opening of the brace material mounting portion. Thereby, an edge is latched by the latching plate of a brace material attachment part, and a joining metal fitting is rotatably connected with respect to a brace material attachment part.

また、上記ブレース材は、棒鋼係合部の外周には、係止板が嵌合する連続した溝が設けられることが好ましい。これにより、接合金具は、確実にブレース材取付け部に係止されて接続される。  Moreover, it is preferable that the said brace material is provided with the continuous groove | channel which a locking plate fits in the outer periphery of a steel bar engaging part. Thereby, the joining metal fitting is securely locked and connected to the brace material mounting portion.

さらに、上記ブレース材は、棒鋼係合部の外周には、係止板を係止する連続した突起が設けられることが好ましい。これにより、接合金具は、ブレース材取付け部から離脱することなく接続される。  Further, the brace material is preferably provided with a continuous protrusion for locking the locking plate on the outer periphery of the steel bar engaging portion. Thereby, a joining metal fitting is connected, without removing from a brace material attaching part.

また、ブレース材は、さらに、骨組の仕口に設けられる木製の角材を備え、ブレース材取付け部が、角材を取り付けるための複数のボルト孔を有することが好ましい。これにより、ブレース材として棒状部材の棒鋼と角材とが協働し、より耐力の高いブレース材とすることができる。  Moreover, it is preferable that a brace material is further provided with the wooden square member provided in the joint of a frame, and a brace material attaching part has a some bolt hole for attaching a square member. Thereby, the steel bar and the square bar of the bar-shaped member cooperate as the brace material, and the brace material with higher proof stress can be obtained.

また、ブレース材は、棒状部材が、一端のねじ部には右ねじが切られ、多端のねじ部には左ねじが切られ、２本の棒鋼が一体に回転されることで棒状部材に張力が導入されることが好ましい。これにより、２本の棒鋼を一体に回転することで、それぞれの棒状部材に張力を導入することができる。  In addition, the brace material has a rod-shaped member, a right-hand thread is cut at one end thread portion, a left-hand thread is cut at the multi-end thread portion, and the two bar steels are rotated together to tension the rod-shaped member. Is preferably introduced. Thereby, tension | tensile_strength can be introduce | transduced to each rod-shaped member by rotating two steel bars integrally.

また、ブレース材は、２本の棒鋼が、締付具により締め付けられる部分にそれぞれ同じ向きの雄ねじが切られて噛合わされることが好ましい。これにより、棒状部材に引張力が作用した場合に、このねじ同士が噛合うことによる支圧力で、重ね合わされた２本の棒鋼が抜けないように抵抗することができる。  In addition, it is preferable that the brace material is meshed with two steel bars in which male screws having the same direction are cut at portions where the steel bars are fastened by a fastener. As a result, when a tensile force is applied to the rod-shaped member, it is possible to resist the two bar steels that are overlapped from being pulled out by the support pressure generated when the screws are engaged with each other.

また、ブレース材は、接合金具が、重ね合わされた２本の棒鋼を一体化して保持する保持部と、ねじが切られた締付け用ボルトとを備え、保持部に設けられたボルト孔に挿入された締付け用ボルトを棒鋼と交差する方向にねじ込んで棒鋼を押さえ付けることが好ましい。これにより、棒状部材に引張力が作用した場合に、締付け用ボルトの押し付け力により重ね合わされた２本の棒鋼が抜けないように抵抗することができる。  Further, the brace material includes a holding portion that integrally holds the two steel bars that are overlapped with each other, and a fastening bolt that is threaded, and is inserted into a bolt hole provided in the holding portion. It is preferable to press the steel bar by screwing the tightening bolt in the direction intersecting the steel bar. Thereby, when tensile force acts on a rod-shaped member, it can resist so that the two steel bars piled up by the pressing force of the bolt for tightening may not come off.

さらに、ブレース材は、ブレース材取付け部には、複数のボルト孔間に板補強用の円筒形突出部が設けられることが好ましい。これにより、ブレース材取付け部の板としての耐力を上げることができる。  Further, in the brace material, it is preferable that the brace material mounting portion is provided with a cylindrical protrusion for reinforcing the plate between the plurality of bolt holes. Thereby, the yield strength as a board of a brace material attaching part can be raised.

以上のように、本発明に係るブレース材によれば、棒鋼と角材とを組合せた複合材が簡易に取り付けられ、耐力の高いブレース材を提供することが可能となる。  As described above, according to the brace material according to the present invention, a composite material in which a steel bar and a square material are combined can be easily attached, and a brace material having a high yield strength can be provided.

以下に、図面を用いて本発明に係るブレース材の実施の形態につき、詳細に説明する。  Hereinafter, embodiments of a brace material according to the present invention will be described in detail with reference to the drawings.

（第１の実施形態）
図１に、ブレース材の第１の実施形態の概略構成を側面図により示す。本実施形態では、ブレース材１は、柱材１１と梁材１２とから構成される骨組の仕口１３にＸ字型に設けられるが、他の形式、例えば、一方のブレース材、或いはＶ字型などであっても良い。このブレース材１は、棒状部材２ａ，２ｂ、接合金具３ａ，３ｂ、角材６ａ，６ｂ、及び接合部材９ａ，９ｂから構成される。(First embodiment)
In FIG. 1, the schematic structure of 1st Embodiment of a brace material is shown with a side view. In the present embodiment, the brace material 1 is provided in an X-shape in the framework joint 13 composed of the column material 11 and the beam material 12, but other types, for example, one brace material or V-shape. It may be a mold. This brace material 1 is composed of rod-like members 2a and 2b, joining metal fittings 3a and 3b, square members 6a and 6b, and joining members 9a and 9b.

棒状部材２ａ，２ｂは、部分的に重ね合わされた２本の棒鋼５ａ，５ｂを締付具４ａ，４ｂにより締め付けて一体化した部材である。すなわち、図１では、２本の棒鋼５ａが下方で重ね合わされて３つの締付具４ａにより締め付けられて一体化した棒状部材２ａとなる。また、２本の棒鋼５ｂが下方で重ね合わされて３つの締付具４ｂにより締め付けられて一体化した棒状部材２ｂとなる。  The rod-shaped members 2a and 2b are members obtained by tightening two partially overlapped steel bars 5a and 5b with fastening tools 4a and 4b. That is, in FIG. 1, two bar steels 5 a are overlapped at the lower side and tightened by three fastening tools 4 a to be integrated into a bar-shaped member 2 a. In addition, the two bar steels 5b are overlapped at the bottom, and are clamped by the three fasteners 4b to form an integrated bar member 2b.

接合金具３ａ，３ｂは、内部に雌ねじが切られた長方形断面の筒状金物であり、棒状部材２ａ，２ｂのそれぞれの両端に雄ねじが切られた端部ねじ１０ａ１，１０ａ２，１０ｂ１，１０ｂ２がその雌ねじに係合して接続される。そして、接合金具３ａ，３ｂは、接合部材９ａ，９ｂに溶接接合される。The joint fittings 3a and 3b are cylindrical metal pieces having a rectangular cross section with internal threads cut therein, and end screws 10a 1 , 10a 2 , 10b 1 , with external threads cut at both ends of the rod-like members 2a and 2b. 10b 2 is engaged with and connected to the female screw. And the joining metal fittings 3a and 3b are welded and joined to the joining members 9a and 9b.

接合部材９ａ，９ｂは、仕口１３の梁材１２及び柱材１１に接続する柱梁取付け部７ａ，７ｂと、接合金具３ａ，３ｂが溶接接合され、角材６ａ，６ｂが接続されるブレース材取付け部８ａ，８ｂとから構成される。  The joining members 9a and 9b are brace members in which the column beam mounting portions 7a and 7b connected to the beam member 12 and the column member 11 of the joint 13 and the joint fittings 3a and 3b are welded and the square members 6a and 6b are connected. It is comprised from the attaching parts 8a and 8b.

木製の角材６ａ，６ｂは、棒状部材２ａ，２ｂに重複して柱材１１と梁材１２とから構成される骨組の仕口１３にＸ字型に設けられる。そして、角材６ａ，６ｂの両端は、ブレース材取付け部８ａ，８ｂに接合される。  The wooden square members 6a and 6b are provided in an X-shape at the frame joint 13 composed of the column member 11 and the beam member 12 so as to overlap the rod-like members 2a and 2b. Then, both ends of the square members 6a and 6b are joined to the brace material attaching portions 8a and 8b.

図２に、棒状部材２の接合部材９への取り付け詳細を側面図により示す。また、図３に、角材６の接合部材９への取り付け詳細を側面図により示す。さらに、図４に、図２及び図３のＡ−Ａ断面を示す。  In FIG. 2, the attachment detail to the joining member 9 of the rod-shaped member 2 is shown with a side view. FIG. 3 is a side view showing details of attaching the square member 6 to the joining member 9. Furthermore, FIG. 4 shows the AA cross section of FIG. 2 and FIG.

本実施形態では、接合部材９は、柱材１１と梁材１２とを２辺とする三角形の板状部分であるブレース材取付け部８と、その三角形の板状部分から折れ曲がり柱材１１及び梁材１２に面する板状部分である柱梁取付け部７とから構成される。柱梁取付け部７は、柱接合ボルト１５により柱材１１に接合され、梁接合ボルト１４により梁材１２に接合される。図２に示すように、接合金具３は、ブレース材取付け部８の一方の面に全周溶接により接合される。図２に溶接部１７を示す。図３に示すように、角材６は、ブレース材取付け部８の一方の面に取り付けられ、ブレース材取付け部８に設けられた角材接合孔１６に角材接合ボルト１８により接合される。  In this embodiment, the joining member 9 includes a brace material mounting portion 8 that is a triangular plate-shaped portion having two columns of a column material 11 and a beam material 12, and a column material 11 and a beam bent from the triangular plate-shaped portion. It is comprised from the column beam attaching part 7 which is a plate-shaped part which faces the material 12. FIG. The column beam mounting portion 7 is joined to the column material 11 by the column joining bolt 15 and joined to the beam material 12 by the beam joining bolt 14. As shown in FIG. 2, the joint fitting 3 is joined to one surface of the brace material mounting portion 8 by welding all around. FIG. 2 shows the welded portion 17. As shown in FIG. 3, the square member 6 is attached to one surface of the brace material attaching portion 8 and joined to the square member joining hole 16 provided in the brace material attaching portion 8 by the square member joining bolt 18.

他の実施形態として、ブレース材取付け部８に対して角材６の取り付けは行わずに、棒状部材２のみ取り付けても良い。この場合には、棒状部材２はブレース材取付け部８に対して溶接接合されるために、角材接合ボルト１８を設ける必要はない。また、棒状部材２はブレース材取付け部８の接合可能な任意の位置に取り付けられることから、施工上の誤差を容易に吸収することができる。  As another embodiment, only the rod-like member 2 may be attached without attaching the square member 6 to the brace member attaching portion 8. In this case, since the rod-shaped member 2 is welded and joined to the brace material mounting portion 8, it is not necessary to provide the square member joining bolts 18. Moreover, since the rod-shaped member 2 is attached to an arbitrary position where the brace material attaching portion 8 can be joined, it is possible to easily absorb construction errors.

棒状部材２は、一端のねじ部には右ねじが切られ、多端のねじ部には左ねじが切られる。例えば、上部の端部ねじ１０ａ１，１０ｂ１には右ねじが切られ、下部の端部ねじ１０ａ２，１０ｂ２には左ねじが切られる。これにより、２本の棒鋼５が一体に回転されることで、それぞれの棒状部材２ａ，２ｂに張力が導入される。The rod-shaped member 2 has a right-hand thread cut at one end thread portion and a left-hand thread cut at a multi-end thread portion. For example, the right is threaded on the upper end screw 10a 1, 10b 1, the left-hand thread is cut in the lower end screw 10a 2, 10b 2. Thereby, tension | tensile_strength is introduce | transduced to each rod-shaped member 2a, 2b because the two steel bars 5 rotate integrally.

図５に、締付具４の構成を示す。締付具４は、重ね合わされた２本の棒鋼５を一体化して保持する保持部２２と、ねじが切られた締付け用ボルト２１とを備え、保持部２２に設けられた締付け用ボルト孔２３に挿入された締付け用ボルト２１を棒鋼５と交差する方向にねじ込んで棒鋼５を押さえつける。これにより、棒状部材２に引張力が作用した場合に、締付け用ボルト２１の押し付け力により２本の棒鋼５が抜けないように抵抗する。  FIG. 5 shows the configuration of the fastener 4. The fastening tool 4 includes a holding portion 22 that integrally holds the two steel bars 5 that are overlaid, and a fastening bolt 21 that is threaded, and a fastening bolt hole 23 provided in the holding portion 22. The tightening bolt 21 inserted in is screwed in the direction intersecting with the steel bar 5 to press down the steel bar 5. Thereby, when tensile force acts on the rod-shaped member 2, it resists so that the two steel bars 5 may not come off with the pressing force of the bolt 21 for clamping.

また、２本の棒鋼５は、締付具４により締め付けられる部分にそれぞれ重ね合わせ部ねじ２４が設けられる。この重ね合わせ部ねじ２４には、同じ向きの雄ねじ、例えば、右ねじ、或いは左ねじが切られて噛合わされる。これにより、棒状部材２に引張力が作用した場合に、このねじ同士が噛合うことによる支圧力で、２本の棒鋼５が抜けないように抵抗する。  The two steel bars 5 are each provided with a stacking part screw 24 at a part fastened by the fastener 4. The overlapping portion screw 24 is engaged with a male screw of the same direction, for example, a right screw or a left screw. Thereby, when tensile force acts on the rod-shaped member 2, it resists so that the two steel bars 5 may not come off with the support pressure by which these screws mesh.

ブレース材取付け部８には、図２に破線で示すように、複数の角材接合孔１６間に板補強用の円筒形突出部２０を設けても良い。これにより、ブレース材取付け部８の板としての耐力を上げることができる。また、ブレース材取付け部８に設けられた角材接合孔１６のうち角材６の取り付けに用いられなかった角材接合孔１６を溶接により塞いでも良い。これにより、ブレース材取付け部８の板としての耐力を上げることができる。  As shown by the broken line in FIG. 2, the brace material attaching portion 8 may be provided with a cylindrical protruding portion 20 for reinforcing the plate between the plurality of square member joining holes 16. Thereby, the proof strength as a board of the brace material attaching part 8 can be raised. Moreover, you may block | close the square member joining hole 16 which was not used for attachment of the square member 6 among the square member joining holes 16 provided in the brace material attaching part 8 by welding. Thereby, the proof strength as a board of the brace material attaching part 8 can be raised.

（第２の実施形態）
図６に、本発明に係る第２の実施形態を示す。図６（ａ）は、第１の実施形態を示す図２に対応する側面を示す。図６（ｂ）は、図６（ａ）のＣ−Ｃ断面を拡大して示す。この第２の実施形態は、第１の実施形態に対して接合金具３３が異なり、他の構成要素は同様である。つまり、この第２の実施形態は、接合金具３３が、板材からなる溶接接合部３０、内部にねじが切られた棒鋼係合部３１、及び溶接接合部３０と棒鋼係合部３１とを連結する板材からなる連結部３２から構成される。(Second Embodiment)
FIG. 6 shows a second embodiment according to the present invention. Fig.6 (a) shows the side surface corresponding to FIG. 2 which shows 1st Embodiment. FIG. 6B is an enlarged view of the CC cross section of FIG. The second embodiment is different from the first embodiment in the joining bracket 33, and the other components are the same. In other words, in the second embodiment, the joining fitting 33 connects the welded joint portion 30 made of a plate material, the steel bar engaging portion 31 threaded inside, and the welded joint portion 30 and the steel bar engaging portion 31. The connecting portion 32 is made of a plate material.

溶接接合部３０はブレース材取付け部８に溶接接合される。棒鋼係合部３１には棒状部材２の両端に切られた端部ねじ１０が係合する。この棒鋼係合部３１は第１の実施形態と異なり、ブレース材取付け部８に溶接接合されずに離間している。そして、連結部３２は、図６（ｂ）に示すように、溶接接合部３０及び棒鋼係合部３１を連結し、その板材の一部が棒状部材２と交差する方向に対して半円筒状に起立する。  The welded joint 30 is welded to the brace material mounting portion 8. An end screw 10 cut at both ends of the bar-shaped member 2 is engaged with the steel bar engaging portion 31. Unlike the first embodiment, the steel bar engaging portion 31 is spaced apart from the brace material attaching portion 8 without being welded. Then, as shown in FIG. 6 (b), the connecting portion 32 connects the welded joint portion 30 and the steel bar engaging portion 31, and a semicylindrical shape with respect to the direction in which a part of the plate material intersects the bar-shaped member 2. To stand up.

このような構成により、連結部３２は、棒状部材２の角度の変化に対応してその軸が傾斜し、ピン接合に近い挙動を行い、接合金具３３及びブレース材取付け部８に発生する捩れなどの応力を減少する。これは、半円筒部分は接合金物３３の軸回りの曲げ剛性が低いため、棒状部材２が傾斜して連結部３２に曲げモーメントが発生すると曲げ変形して追従するからである。また、連結部３２が、その半円筒部分の軸が棒状部材２と交差する方向に向けられ、棒状部材２の長さの変化に対応して伸縮する。これは、半円筒部分は接合金物３３の軸方向の伸び剛性が低いため、棒状部材２の長さが変化して連結部３２に軸方向力が発生すると軸変形して追従するからである。これにより、連結部３２は、地震時に棒状部材に加わる衝撃力を吸収する緩衝材としての役割を有する。  With such a configuration, the connecting portion 32 is inclined in response to a change in the angle of the rod-like member 2 and behaves like a pin joint, and a twist generated in the joint fitting 33 and the brace material mounting portion 8. Reduce the stress. This is because the semi-cylindrical portion has low bending rigidity around the axis of the metal joint 33, and therefore, when the rod-shaped member 2 is inclined and a bending moment is generated in the connecting portion 32, it is bent and deformed to follow. Further, the connecting portion 32 is directed in a direction in which the axis of the semi-cylindrical portion intersects the rod-shaped member 2, and expands and contracts in response to a change in the length of the rod-shaped member 2. This is because the semi-cylindrical portion has low elongation rigidity in the axial direction of the metal joint 33, so that when the length of the rod-like member 2 changes and an axial force is generated in the connecting portion 32, the axial deformation occurs and follows. Thereby, the connection part 32 has a role as a shock absorbing material which absorbs the impact force added to a rod-shaped member at the time of an earthquake.

（第３の実施形態）
図７に、本発明に係る第３の実施形態を拡大して示す。また、図８に、図７のＤ−Ｄ断面及びＥ−Ｅ断面を示す。接合金具５３は、棒状部材２の両端に切られた端部ねじ１０が係合する円形の棒鋼係合部４０と、棒鋼係合部４０から円盤状に突出する縁部４１とから構成される。棒鋼係合部４０には、端部ねじ１０と係合するねじ孔４４が設けられる。ブレース材取付け部８には開口４２が設けられ、そのブレース材取付け部８の開口４２には縁部４１が係止する円盤状の係止板４３が設けられる。この構成により、接合金具５３は、図８の下方からブレース材取付け部８の開口４２に挿入される。(Third embodiment)
FIG. 7 is an enlarged view of the third embodiment according to the present invention. FIG. 8 shows a DD cross section and an EE cross section of FIG. The joint metal 53 is composed of a circular steel bar engaging part 40 engaged with the end screws 10 cut at both ends of the bar-like member 2 and an edge part 41 protruding from the bar steel engaging part 40 in a disc shape. . The steel bar engaging portion 40 is provided with a screw hole 44 that engages with the end screw 10. An opening 42 is provided in the brace material mounting portion 8, and a disc-shaped locking plate 43 on which the edge portion 41 is locked is provided in the opening 42 of the brace material mounting portion 8. With this configuration, the joint fitting 53 is inserted into the opening 42 of the brace material mounting portion 8 from below in FIG.

また、棒鋼係止部４０には、係止板４３が嵌合する円形の溝４５が設けられる。この構成により、接合金具５３は、溝４５にブレース材取付け部８の係止板４３を嵌め込ませる。さらに、棒鋼係止部４０には、係止板４３を係止する円形の突起４６が設けられる。この突起４６により、接合金具５３は、ブレース材取付け部８から離脱することなく接続される。そして、棒状部材２が係合された接合金具５３は、ブレース材取付け部８に設けられた開口４２に嵌合され、棒状部材２は接合金具５３を中心として回転自在となり、ピン接合としての挙動をする。  Further, the steel bar locking portion 40 is provided with a circular groove 45 into which the locking plate 43 is fitted. With this configuration, the joint fitting 53 causes the locking plate 43 of the brace material mounting portion 8 to be fitted into the groove 45. Further, the steel bar locking portion 40 is provided with a circular protrusion 46 for locking the locking plate 43. By this projection 46, the joint fitting 53 is connected without being detached from the brace material mounting portion 8. And the joining metal piece 53 with which the rod-shaped member 2 was engaged is fitted in the opening 42 provided in the brace material attaching part 8, and the rod-like member 2 becomes rotatable around the joining metal piece 53, and the behavior as pin joining is achieved. do.

本発明に係るブレース材の第１実施形態の概略構成を示す側面図である。It is a side view showing a schematic structure of a 1st embodiment of a brace material concerning the present invention. 棒状部材の接合部材への取り付け詳細を示す拡大された側面図である。It is the expanded side view which shows the attachment detail to the joining member of a rod-shaped member. 角材の接合部材への取り付け詳細を示す拡大された側面図である。It is the expanded side view which shows the attachment detail to the joining member of a square. 図２及び図３のＡ−Ａ断面を示す断面図である。It is sectional drawing which shows the AA cross section of FIG.2 and FIG.3. 接合金具の構成を示す側面図及び断面図である。It is the side view and sectional drawing which show the structure of a joining metal fitting. 本発明に係るブレース材の第２実施形態の概略構成を示す拡大された側面図である。It is the expanded side view which shows schematic structure of 2nd Embodiment of the brace material which concerns on this invention. 本発明に係るブレース材の第３実施形態の概略構成を示す拡大された部分側面図である。It is the expanded partial side view which shows schematic structure of 3rd Embodiment of the brace material which concerns on this invention. 図７のＤ−Ｄ断面及びＥ−Ｅ断面を示す断面図である。It is sectional drawing which shows the DD cross section and EE cross section of FIG.

符号の説明Explanation of symbols

１，４０，５０ ブレース材、２ａ，２ｂ 棒状部材、３ａ，３ｂ，３３，５３ 接合金具、４ａ，４ｂ 締付具、５ａ，５ｂ 棒鋼、６ａ，６ｂ 角材、７ａ，７ｂ 柱梁取付け部、８ａ，８ｂ ブレース材取付け部、９ａ，９ｂ 接合部材、１０ａ１，１０ｂ１ 端部ねじ（上部）、１０ａ２，１０ｂ２ 端部ねじ（下部）、１１ 柱材、１２ 梁材、１３ 仕口、１４ 柱接合ボルト、１５ 梁接合ボルト、１６ 角材接合孔、１７，３７ 溶接部、１８ 角材接合ボルト、２０ 円筒形突出部、２１ 締付け用ボルト、２２ 保持部、２３ 締付け用ボルト孔、２４ 重ね合わせ部ねじ、３０ 溶接接合部、３１，４０ 棒鋼係合部、３２ 連結部、４１ 縁部、４２ 開口、４３ 係止板、４４ ねじ孔、４５ 溝、４６ 突起。1, 40, 50 Brace material, 2a, 2b Bar-shaped member, 3a, 3b, 33, 53 Joining bracket, 4a, 4b Fastener, 5a, 5b Steel bar, 6a, 6b Square member, 7a, 7b Column beam mounting portion, 8a , 8b Brace material mounting portion, 9a, 9b joining member, 10a 1 , 10b 1 end screw (upper part), 10a 2 , 10b 2 end screw (lower part), 11 pillar material, 12 beam material, 13 joint, 14 Column joint bolt, 15 Beam joint bolt, 16 Square member joint hole, 17, 37 Welded part, 18 Square member joint bolt, 20 Cylindrical protruding part, 21 Tightening bolt, 22 Holding part, 23 Tightening bolt hole, 24 Overlapping part Screw, 30 Welded joint, 31, 40 Steel bar engaging part, 32 Connecting part, 41 Edge part, 42 Opening, 43 Locking plate, 44 Screw hole, 45 Groove, 46 Protrusion.

Claims (12)

柱材と梁材とからなる骨組の仕口に設けられるブレース材において、
部分的に重ね合わされた２本の棒鋼を締付具により締め付けて一体化した棒状部材と、
棒状部材の両端に切られたねじ部が係合する接合金具と、
仕口の梁材及び柱材に接続する柱梁取付け部と、棒状部材が係合された接合金具が溶接接合されるブレース材取付け部とから構成される接合部材と、
を備えることを特徴とするブレース材。In the brace material provided at the joint of the frame consisting of pillar material and beam material,
A bar-shaped member integrated by tightening two partially overlapped steel bars with a fastener;
A joint fitting that engages with threaded parts cut at both ends of the rod-shaped member;
A joint member composed of a beam member and a column beam attachment part connected to the beam member of the joint, and a brace material attachment part to which the joint fitting engaged with the rod-like member is welded;
A brace material comprising: 請求項１に記載のブレース材であって、接合金具は、ブレース材取付け部に溶接接合される板状の溶接接合部と、棒状部材の両端に切られたねじ部が係合する棒鋼係合部と、溶接接合部及び棒鋼係合部を連結し、その板材の一部が半円筒状に起立する連結部とから構成され、連結部は、棒状部材の角度の変化に対応してその軸が傾斜することを特徴とするブレース材。  2. The brace material according to claim 1, wherein the joint fitting is a steel bar engagement in which a plate-like weld joint part welded to the brace material attachment part and a threaded part cut at both ends of the bar-like member are engaged. And a connecting portion in which a part of the plate material rises in a semi-cylindrical shape, and the connecting portion corresponds to a change in the angle of the rod-shaped member. Brace material characterized by slanting. 請求項２に記載のブレース材であって、連結部は、その半円筒部分の軸が棒状部材と交差する方向に向けられ、棒状部材の長さの変化に対応して伸縮することを特徴とするブレース材。  The brace material according to claim 2, wherein the connecting portion is oriented in a direction in which the axis of the semi-cylindrical portion intersects the rod-shaped member, and expands and contracts in response to a change in the length of the rod-shaped member. Brace material to be used. 柱材と梁材とからなる骨組の仕口に設けられるブレース材において、
部分的に重ね合わされた２本の棒鋼を締付具により締め付けて一体化した棒状部材と、
棒状部材の両端に切られたねじ部が係合する接合金具と、
仕口の梁材及び柱材に接続する柱梁取付け部と、棒状部材が係合された接合金具が嵌合される開口を有するブレース材取付け部とから構成される接合部材と、
を備えることを特徴とするブレース材。In the brace material provided at the joint of the frame consisting of pillar material and beam material,
A bar-shaped member integrated by tightening two partially overlapped steel bars with a fastener;
A joint fitting that engages with threaded parts cut at both ends of the rod-shaped member;
A connecting member composed of a beam member and a column beam mounting part connected to the column member and a brace material mounting part having an opening into which a joint fitting with which a bar-shaped member is engaged is fitted;
A brace material comprising: 請求項４に記載のブレース材であって、接合金具は、棒状部材の両端に切られたねじ部が係合する円形の棒鋼係合部と、棒鋼係合部から円盤状に突出する縁部とから構成され、ブレース材取付け部の開口には、縁部が係止する円盤状の係止板が設けられることを特徴とするブレース材。  5. The brace material according to claim 4, wherein the joint fitting includes a circular steel bar engaging part engaged with a threaded part cut at both ends of the bar-like member, and an edge part protruding in a disk shape from the bar steel engaging part. The brace material is characterized in that a disc-shaped locking plate whose edge is locked is provided in the opening of the brace material mounting portion. 請求項５に記載のブレース材であって、棒鋼係合部の外周には、係止板が嵌合する連続した溝が設けられることを特徴とするブレース材。  6. The brace material according to claim 5, wherein a continuous groove into which the locking plate is fitted is provided on the outer periphery of the steel bar engaging portion. 請求項５又は６に記載のブレース材であって、棒鋼係合部の外周には、係止板を係止する連続した突起が設けられることを特徴とするブレース材。  The brace material according to claim 5 or 6, wherein a continuous protrusion for locking the locking plate is provided on an outer periphery of the steel bar engaging portion. 請求項１乃至７のいずれか１に記載のブレース材であって、さらに、骨組の仕口に設けられる木製の角材を備え、ブレース材取付け部は、角材を取り付けるための複数のボルト孔を有することを特徴とするブレース材。  The brace material according to any one of claims 1 to 7, further comprising a wooden square member provided at a joint of the frame, wherein the brace member attaching portion has a plurality of bolt holes for attaching the square member. Brace material characterized by that. 請求項１乃至９のいずれか１に記載のブレース材であって、棒状部材は、一端のねじ部には右ねじが切られ、多端のねじ部には左ねじが切られ、２本の棒鋼が一体に回転されることで棒状部材に張力が導入されることを特徴とするブレース材。  The brace material according to any one of claims 1 to 9, wherein the bar-shaped member has a right-hand threaded end at a threaded portion at one end and a left-handed thread at a multi-ended threaded portion. The brace material is characterized in that tension is introduced into the rod-shaped member by rotating together. 請求項１乃至１０のいずれか１に記載のブレース材であって、２本の棒鋼は、締付具により締め付けられる部分にそれぞれ同じ向きの雄ねじが切られて噛合わされることを特徴とするブレース材。  The brace material according to any one of claims 1 to 10, wherein the two steel bars are engaged with each other by being cut by a male screw in the same direction at a portion tightened by a fastener. Wood. 請求項１乃至５のいずれか１に記載のブレース材であって、接合金具は、重ね合わされた２本の棒鋼を一体化して保持する保持部と、ねじが切られた締付け用ボルトとを備え、保持部に設けられたボルト孔に挿入された締付け用ボルトを棒鋼と交差する方向にねじ込んで棒鋼を押さえ付けることを特徴とするブレース材。  The brace material according to any one of claims 1 to 5, wherein the joint metal fitting includes a holding portion that integrally holds the two stacked steel bars, and a tightening bolt that is threaded. A brace material characterized by pressing a steel bar by screwing a bolt for tightening inserted into a bolt hole provided in a holding part in a direction intersecting the steel bar. 請求項１乃至１１のいずれか１に記載のブレース材であって、ブレース材取付け部には、複数のボルト孔間に板補強用の円筒形突出部が設けられることを特徴とするブレース材。  The brace material according to any one of claims 1 to 11, wherein the brace material mounting portion is provided with a cylindrical protrusion for reinforcing a plate between a plurality of bolt holes.
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JP2019027232A (en) * 2017-08-03 2019-02-21 大成建設株式会社 Reinforcing hardware, fixed hardware, and installation object support body reinforcing structure of building structure

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JPS64707U (en) * 1987-06-20 1989-01-05
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JPH04132102U (en) * 1991-03-15 1992-12-07 鹿島建設株式会社 Brace end joint structure and joint hardware
JPH0630304U (en) * 1992-02-25 1994-04-19 住友林業株式会社 Metal fittings for connecting horizontal materials
JPH10102580A (en) * 1996-10-02 1998-04-21 Ribaasteel Kk Brace
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JPS5321816A (en) * 1976-08-12 1978-02-28 Yuuichirou Hori Skeleton material joint for construction
JPS6091711U (en) * 1983-11-30 1985-06-22 ナショナル住宅産業株式会社 brace
JPS64707U (en) * 1987-06-20 1989-01-05
JPH02128702U (en) * 1989-03-31 1990-10-24
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JPH10102580A (en) * 1996-10-02 1998-04-21 Ribaasteel Kk Brace
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JP2006329358A (en) * 2005-05-27 2006-12-07 Mirai Kk Connection metal piece of bolt

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Publication number Priority date Publication date Assignee Title
JP2019027232A (en) * 2017-08-03 2019-02-21 大成建設株式会社 Reinforcing hardware, fixed hardware, and installation object support body reinforcing structure of building structure
JP7075733B2 (en) 2017-08-03 2022-05-26 大成建設株式会社 Reinforced structure

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