JP2008163627A - Composite member and building structure skeleton using the same - Google Patents

Composite member and building structure skeleton using the same Download PDF

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JP2008163627A
JP2008163627A JP2006353858A JP2006353858A JP2008163627A JP 2008163627 A JP2008163627 A JP 2008163627A JP 2006353858 A JP2006353858 A JP 2006353858A JP 2006353858 A JP2006353858 A JP 2006353858A JP 2008163627 A JP2008163627 A JP 2008163627A
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wooden
screw
composite
steel
screwed
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JP4934423B2 (en
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Hideaki Komatsu
秀彰 小松
Hisaki Ishiyama
央樹 石山
Hideyuki Nasu
秀行 那須
Satoshi Naraoka
智 奈良岡
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Sumitomo Forestry Co Ltd
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Sumitomo Forestry Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a composite member which is obtained by rigidly connecting a steel reinforcing member to a wooden member extended in the horizontal direction, and facilitates machining such as cutting in a site, and to provide a building structure skeleton using the composite member. <P>SOLUTION: The composite member for resisting the large bending moment is set up by fixing the steel reinforcing member 12 on the upper or lower surface of the horizontally extended wooden member 11 along an axial direction. Further, not only the steel reinforcing members 12, 32 for reinforcing beams 2, 5 via screw members 24, 25 and 28 vertically screwed into the wooden members 11, 31 constituting a composite beam, but also a connection fitting 40 for connecting a column 1 and the beam 2 to each other, and a connection fitting 50 for connecting the beams 2, 5 to each other can be mounted, and therefore the reinforcement of the horizontal member, rigid connection between the column 1 and the beam 2, and connection between the beam 2 and the beam 5 are achieved while the number of component members is minimized. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本願発明は、横方向に架け渡される横架材と、この横架材に固着された鋼補強材とからなる複合部材及びこれを用いた建築構造躯体に関するものである。   The present invention relates to a composite member composed of a horizontal member spanned in the horizontal direction and a steel reinforcing member fixed to the horizontal member, and a building structure using the same.

近年においては木造の建築物においても屋内に柱の少ない大空間が求められることが多くなっている。また、大きな開口部を設けることが要求されることもある。このような場合には横方向に架け渡される横架材の支間が大きくなり、横架材に生じる曲げモーメントの値が大きくなる。このような大きな曲げモーメントに対し、横架材を木部材として抵抗させるためには断面寸法、特に横架材の高さつまり梁せいを大きくする必要があり、上層階の床面を高く設定する必要が生じることがある。また、一部の横架材についてのみ梁せいを大きくすると、柱との接合部又は他の横架材との接合部で納まりに支障を生じる場合もあり、経済的にも現実的ではない。
また、木造建築物でも二階部分が一階より張り出すように設けられる場合がある。このようなときには、横架材が片持ち状に張り出し、横架材を支持する部分に大きな曲げモーメントが生じる。また、張り出した横架材の先端の撓みが大きくなり、経時的に進行するクリープ撓みが問題になる場合もある。 In recent years, a large space with few pillars is demanded indoors even in a wooden building. It may also be required to provide a large opening. In such a case, the span of the horizontal member spanned in the horizontal direction becomes large, and the value of the bending moment generated in the horizontal member becomes large. In order to resist the horizontal member as a wooden member against such a large bending moment, it is necessary to increase the cross-sectional dimension, especially the height of the horizontal member, that is, the beam, and set the floor of the upper floor high. Needs may arise. In addition, if the length of the beam is increased only for some of the horizontal members, there is a case where the fitting is hindered at the junction with the column or the other horizontal member, which is not economically practical.
Moreover, even in a wooden building, the second floor part may be provided so as to protrude from the first floor. In such a case, the horizontal member protrudes in a cantilever shape, and a large bending moment is generated in a portion that supports the horizontal member. Moreover, the bending of the tip of the overhanging horizontal member becomes large, and the creep bending that progresses with time may become a problem.

このため、横架材として用いられる木部材の軸線方向に鋼やアルミニウム等からなる補強材を接合し、曲げ剛性を増大した複合部材が、例えば特許文献１、特許文献２及び特許文献３に提案されている。
特許文献１及び特許文献２には、複数の小断面の木材を貼り合わせて大きな断面の木質材とするときに、鉄又はアルミニウム等の金属の補強材を一体に貼り合わせた複合材が記載されている。特許文献１に記載の複合材は、複数の板材を水平方向にして上下に貼り合わせるものとし、上層部と下層部とに金属の板材を木質の板材間に挟み込んで接着するものである。また、特許文献２に記載の複合部材は、複数の板材を縦方向にして配列し、これらの板材の鉛直な側面を相互に接着して木質の梁を形成するものである。そして、一部の板材に溝を形成しておき、この溝内に補強用鉄筋を挿入し、接着剤で一体化するものである。 For this reason, a composite member in which a reinforcing member made of steel, aluminum, or the like is joined in the axial direction of a wooden member used as a horizontal member and the bending rigidity is increased is proposed in Patent Document 1, Patent Document 2, and Patent Document 3, for example. Has been.
Patent Document 1 and Patent Document 2 describe a composite material in which a metal reinforcing material such as iron or aluminum is integrally bonded when a plurality of small cross-section woods are bonded to form a large cross-section wood material. ing. The composite material described in Patent Document 1 is such that a plurality of plate members are bonded in the horizontal direction, and a metal plate member is sandwiched and bonded between an upper layer portion and a lower layer portion. Moreover, the composite member described in Patent Document 2 is configured by arranging a plurality of plate members in the vertical direction and bonding the vertical side surfaces of these plate members to each other to form a wooden beam. And a groove | channel is formed in a part of board | plate material, a reinforcing bar is inserted in this groove | channel, and it integrates with an adhesive agent.

特許文献３に記載の複合横架材は、木質材料からなる横架材本体と横架材本体に取り付けられる金属製の補強材とで構成されている。そして、補強材は板状基部と板状挿入部とからなり、板状挿入部が横架材本体の下面に形成された溝に挿し込まれ、板状基部は横架材本体の下面に当接して配置される。また、横架材本体の側面からこの横架材を貫通するように横孔が設けられ、補強材の板状挿入部にもそれぞれ位置が対応するようにピン孔が設けられている。そして、横孔から横架材本体に挿入されたドリフトピンが板状挿入部に形成されたピン穴に挿通して打ち込まれるとともに、補強材の板状基部に形成されたビス穴にビスを挿通し、横架材本体にねじ込まむことにより横架材本体に補強材が接合されるものとなっている。
特開平６−２９９６５３号公報 特開平８−３１２０５９号公報 特開２００６−１２５０３４号公報 The composite horizontal member described in Patent Document 3 includes a horizontal member body made of a wood material and a metal reinforcing material attached to the horizontal member body. The reinforcing member includes a plate-like base portion and a plate-like insertion portion. The plate-like insertion portion is inserted into a groove formed on the lower surface of the horizontal member main body, and the plate-like base portion contacts the lower surface of the horizontal member main body. Arranged in contact. Further, a horizontal hole is provided so as to penetrate the horizontal member from the side surface of the horizontal member main body, and a pin hole is provided so that the position corresponds to the plate-like insertion portion of the reinforcing material. The drift pin inserted into the horizontal member body from the horizontal hole is inserted and driven into the pin hole formed in the plate-like insertion portion, and the screw is inserted into the screw hole formed in the plate-like base portion of the reinforcing material. Then, the reinforcing member is joined to the horizontal member main body by screwing into the horizontal member main body.
JP-A-6-299653 JP-A-8-312059 JP 2006-125034 A

このように、金属等の補強材と組み合わせて補強された横架材では、大きな曲げモーメント及びせん断力に抵抗するために、補強材と横架材との間で軸線方向の相対的な変位が生じないように強固に一体化する必要がある。つまり、ドリフトピン等によって金属の補強材と木質材とを接合したときには、ドリフトピンが木質材に係止される部分に大きな応力が集中し易く、木質材の変形等によって相対的な変位を生じるのを抑制しなければならない。
また、金属の板材や補強用鉄筋を木質材と貼り合わせた複合部材では、接着作業を工場等において行うのが一般的であり、この複合部材を現場において切断するのが難しくなる。このため、あらかじめ現場で用いる寸法に調整して、工場等で貼り合わせを行う必要があり、作業の効率化が難しくなることがある。 In this way, in a horizontal member reinforced in combination with a reinforcing material such as metal, in order to resist a large bending moment and shear force, relative displacement in the axial direction between the reinforcing material and the horizontal member is caused. It is necessary to integrate firmly so as not to occur. In other words, when a metal reinforcing material and a wood material are joined by a drift pin or the like, a large stress tends to concentrate on the portion where the drift pin is locked to the wood material, and a relative displacement occurs due to deformation of the wood material or the like. Must be suppressed.
Further, in a composite member in which a metal plate material or a reinforcing steel bar is bonded to a wood material, the bonding operation is generally performed in a factory or the like, and it is difficult to cut the composite member in the field. For this reason, it is necessary to adjust the dimensions to be used in the field in advance and perform bonding at a factory or the like, which may make it difficult to improve work efficiency.

本願発明は、上記のような事情に鑑みてなされたものであり、横方向に架け渡される木部材に鋼補強材を強固に接合した複合部材であって、現場における切断等の加工が容易な複合部材及びこの複合部材を用いた建築構造躯体を提供することを目的とする。   The present invention has been made in view of the above circumstances, and is a composite member in which a steel reinforcing material is firmly joined to a wooden member spanned in a lateral direction, and processing such as cutting in the field is easy. An object is to provide a composite member and a building structure housing using the composite member.

上記課題を解決するために、請求項１に係る発明は、 横方向に架け渡される木部材と、 前記木部材に鉛直方向に嵌め込まれた棒状の鋼部材と、 前記木部材の上面又は下面に、該木部材の軸線方向に沿って接触するように配置される鋼補強材と、 前記鋼補強材に設けられたボルト孔に挿通され、前記鋼部材の端面から軸線方向に設けられたねじ孔に螺合されるボルトとを有し、 前記鋼補強材と前記木部材とが、前記ボルトを締め付けることによって該木部材の軸線方向への相互間の相対的な変位が生じないように拘束されている複合部材を提供する。   In order to solve the above-mentioned problem, the invention according to claim 1 includes: a wooden member that is bridged in a lateral direction; a rod-shaped steel member that is vertically fitted into the wooden member; and an upper surface or a lower surface of the wooden member. A steel reinforcement disposed so as to contact along the axial direction of the wooden member, and a screw hole provided in the axial direction from an end surface of the steel member, which is inserted into a bolt hole provided in the steel reinforcement. And the steel reinforcing member and the wooden member are constrained so as not to cause relative displacement between each other in the axial direction of the wooden member by tightening the bolt. A composite member is provided.

この複合部材では、木部材の鉛直方向に嵌め込まれた鋼部材にボルトを締め付けることによって木部材の上面又は下面に鋼補強材が接合されるので、木部材と鋼補強材とが強固に固着される。これにより、木部材の軸線方向において鋼補強材と木部材との相対的な変位が生じにくくなり、大きな曲げモーメントに抵抗できる複合部材となる。また、ボルトを締め付けて鋼補強材を固着する作業は、現場においても容易におこなうことができ、木部材と鋼補強材とが分離された状態で切断等の加工を現場で容易に行うことができる。   In this composite member, the steel reinforcing material is joined to the upper surface or the lower surface of the wooden member by tightening the bolt to the steel member fitted in the vertical direction of the wooden member, so that the wooden member and the steel reinforcing material are firmly fixed. The Accordingly, relative displacement between the steel reinforcing member and the wooden member is less likely to occur in the axial direction of the wooden member, and the composite member can resist a large bending moment. Also, the work of tightening the bolts and fixing the steel reinforcing material can be easily performed on site, and processing such as cutting can be easily performed on site with the wooden member and the steel reinforcing material separated. it can.

請求項２に係る発明は、請求項１に記載の複合部材において、 前記鋼部材は、棒状の基部の外周面に螺旋状の張り出し部を有するスクリュー部材であるものとする。   The invention according to claim 2 is the composite member according to claim 1, wherein the steel member is a screw member having a spiral projecting portion on an outer peripheral surface of a rod-like base portion.

この複合部材では、スクリュー部材の外周面に形成された螺旋状の張り出し部が木部材と密着し、木部材とスクリュー部材とが強固に接合されるので鋼補強材を強固に固着することができる。また、複合部材に生じた曲げモーメントに鋼補強材が抵抗するとともに、このスクリュー部材の周面から木部材の断面内の広い範囲に分布して力を伝達させることができ、木部材内に応力が集中することを抑制できる。   In this composite member, the spiral projecting portion formed on the outer peripheral surface of the screw member is in close contact with the wooden member, and the wooden member and the screw member are firmly joined, so that the steel reinforcing material can be firmly fixed. . In addition, the steel reinforcement resists the bending moment generated in the composite member, and the force can be transmitted over a wide range within the cross section of the wooden member from the peripheral surface of the screw member. Can be prevented from concentrating.

請求項３に係る発明は、請求項１に記載の複合部材において、 前記鋼部材は、周面から該鋼部材の軸線と直角方向に貫通する横穴を有し、木部材に嵌め入れられるとともに、前記木部材の側面から該木部材を貫通するドリフトピンが前記横穴に挿通されるものとする。   The invention according to claim 3 is the composite member according to claim 1, wherein the steel member has a horizontal hole penetrating in a direction perpendicular to the axis of the steel member from the peripheral surface, and is fitted into the wooden member. A drift pin that penetrates the wooden member from the side surface of the wooden member is inserted into the lateral hole.

この複合部材では、木部材と鋼部材とが木部材の側面から貫入したドリフトピンにより係合されるので、鋼部材が木部材から抜け出るのを防止することができ、木部材、鋼部材及び鋼補強材とが一体となって固着される。   In this composite member, the wooden member and the steel member are engaged by the drift pin penetrating from the side surface of the wooden member, so that the steel member can be prevented from coming out of the wooden member. The reinforcing material is fixed integrally.

請求項４に係る発明は、 請求項１、請求項２又は請求項３に記載の複合部材において、 前記鋼部材は、前記木部材の上面から下面に貫通するように嵌め入れられているものとする。   The invention according to claim 4 is the composite member according to claim 1, claim 2, or claim 3, wherein the steel member is fitted so as to penetrate from the upper surface to the lower surface of the wooden member. To do.

この複合部材では、鋼部材が木部材を上下方向に貫通して嵌め込まれているので、鋼補強材と木部材との間で生じるせん断力に強固に抵抗するとともに、鋼部材に作用する力を木部材の断面内に広く分布した状態で伝達させることができる。また、木部材の木目と直角方向に鋼部材が嵌め込まれているので木部材の割れ等を拘束して補強することにもなる。   In this composite member, since the steel member is inserted through the wooden member in the vertical direction, it strongly resists the shearing force generated between the steel reinforcing material and the wooden member, and also exerts a force acting on the steel member. It can be transmitted in a state of being widely distributed in the cross section of the wooden member. Further, since the steel member is fitted in a direction perpendicular to the grain of the wooden member, cracking of the wooden member or the like is restrained and reinforced.

請求項５に係る発明は、 請求項１から請求項４までのいずれかに記載の複合部材において、 前記鋼補強材は、前記木部材の上面又は下面に当接される板状基部と、該板状基部の両側縁から前記木部材の軸線方向に連続してほぼ垂直に突き出した２つの挿入板部とを有し、 前記木部材には、軸線方向に２つの溝が切削され、前記挿入板部が該溝内に挿入されているものとする。   The invention according to claim 5 is the composite member according to any one of claims 1 to 4, wherein the steel reinforcing member includes a plate-like base that is brought into contact with an upper surface or a lower surface of the wooden member, Two insertion plate portions protruding substantially perpendicularly from both side edges of the plate-like base portion in the axial direction of the wooden member, and two grooves are cut in the axial direction in the wooden member, and the insertion It is assumed that the plate portion is inserted into the groove.

この複合部材では、木部材の上面又は下面に鋼補強材の板状部が当接されるとともに、鋼補強材の挿入板部が木部材に切削された溝に挿入されて固着されているので、木部材の幅が小さくても、鋼補強材の断面を大きくするとともに曲げ剛性を大きなものにすることができる。また、鋼補強材に大きな軸圧縮力が生じても、溝に挿入された部分が横方向つまり軸線と直角な方向に変形するのが拘束され、局部的な座屈が生じるのを有効に防止することができる。   In this composite member, the plate portion of the steel reinforcing material is brought into contact with the upper surface or the lower surface of the wooden member, and the insertion plate portion of the steel reinforcing material is inserted and fixed in the groove cut in the wooden member. Even if the width of the wooden member is small, the cross section of the steel reinforcing material can be increased and the bending rigidity can be increased. In addition, even if a large axial compression force is generated in the steel reinforcement, it is restrained that the portion inserted into the groove is deformed in the lateral direction, that is, in a direction perpendicular to the axis, and it is possible to effectively prevent local buckling. can do.

請求項６に係る発明は、 木製柱と、木部材及び鋼補強材の複合部材であって前記木製柱の上端面又は下端面に当接して接合される複合梁とを含む建築構造躯体であって、 前記木製柱には、端面から軸線方向に、棒状鋼材の周面に螺旋状の張り出し部を有する第１のスクリュー部材がねじ込まれ、 前記複合梁の前記木製柱と接合される部分に、上下方向に貫通するように、棒状鋼材の周面に螺旋状の張り出し部を有する第２のスクリュー部材がねじ込まれており、 前記第１のスクリュー部材及び第２のスクリュー部材の端面からこれらの軸線方向に設けられたねじ穴に螺合されたそれぞれのボルトによって固着される共通の接合金具を介して前記木製柱と前記複合梁とが接合されており、 前記複合梁は、前記鋼補強材が前記木部材の上面又は下面に当接して該複合梁の軸線方向に沿って固着されており、 前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記複合梁の木部材にねじ込まれた第２のスクリュー部材に前記接合金具を固着する前記ボルトよって該木部材の軸線方向へ相互間の相対的な変位が生じないように拘束されている建築構造躯体を提供するものである。   The invention according to claim 6 is a building structural frame including a wooden column and a composite beam composed of a wooden member and a steel reinforcing material and joined in contact with an upper end surface or a lower end surface of the wooden column. In the axial direction from the end surface to the wooden column, a first screw member having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed, and a portion joined to the wooden column of the composite beam, A second screw member having a spiral projecting portion is screwed into the peripheral surface of the rod-shaped steel material so as to penetrate in the vertical direction, and these axis lines extend from the end surfaces of the first screw member and the second screw member. The wooden column and the composite beam are joined to each other through a common joint fitting fixed by respective bolts screwed into screw holes provided in a direction, and the steel beam is made of the steel reinforcing material. Top surface of the wooden member Alternatively, the steel reinforcing member is in contact with the lower surface and fixed along the axial direction of the composite beam, and the steel reinforcing member is inserted into a bolt hole provided in the steel reinforcing member and screwed into the wooden member of the composite beam. An object of the present invention is to provide a building structural frame that is constrained by the bolts that fix the joint fittings to the two screw members so as not to cause relative displacement between them in the axial direction of the wooden member.

この建築構造躯体では、木製柱にねじ込まれた第１のスクリュー部材と複合梁の木部材にねじ込まれた第２のスクリュー部材とが接合金具を介して連結されており、これらの部材間で引張力及び圧縮力が伝達される構造となる。また、木部材にねじ込まれた第２のスクリュー部材に接合金具を固着するボルトにより木部材の上面又は下面に取り付けられる鋼補強材が固定され、スクリュー部材を有効に用いて木部材の補強及び複合梁と木製柱との接合を行うことができる。   In this building structural frame, the first screw member screwed into the wooden pillar and the second screw member screwed into the composite beam wood member are connected via a joint fitting, and the tensile member is pulled between these members. The structure is such that force and compression force are transmitted. Further, a steel reinforcing material attached to the upper or lower surface of the wooden member is fixed to the second screw member screwed into the wooden member by a bolt for fixing the joining metal, and the wooden member is effectively reinforced and combined by using the screw member effectively. It is possible to join the beam and the wooden column.

請求項７に係る発明は、 複数の木製柱と、これらの木製柱によって支持される複数の梁とを有し、第１の梁の端面又は側面に第２の梁の端面を突き当てるように接合された建築構造であって、 前記第１の梁は、横方向に架け渡される木部材と、この木部材の上面又は下面に当接され、該木部材の軸線方向に沿って固着される鋼補強材を有し、 前記第１の梁の前記第２の梁が接合される部分に、棒状鋼材の周面に螺旋状の張り出し部を有するスクリュー部材が前記木部材の上下方向にねじ込まれ、 前記スクリュー部材には、周面から該スクリュー部材の軸線と直角方向に横ねじ孔又は貫通孔が設けられており、 前記第１の梁の側面から前記スクリュー部材に至る横穴に挿通して前記横ねじ孔に螺合されたボルト、又は前記貫通孔に挿通されたボルトによって該第１の梁の側面に梁接合金具が固着され、 該梁接合金具と前記第２の梁とが連結されており、 前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記第１の梁の木部材にねじ込まれたスクリュー部材の端面から該スクリュー部材の軸線方向に設けられたねじ孔に螺合されたボルトによって該木部材の軸線方向へ相互間の変位が生じないように拘束されている建築構造躯体を提供するものである。   The invention according to claim 7 has a plurality of wooden columns and a plurality of beams supported by these wooden columns, and the end surface of the second beam is abutted against the end surface or the side surface of the first beam. It is a joined building structure, wherein the first beam is abutted against a wooden member that extends in the lateral direction, and an upper surface or a lower surface of the wooden member, and is fixed along the axial direction of the wooden member. A screw member having a steel reinforcing material and having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed in the vertical direction of the wooden member at a portion where the second beam of the first beam is joined. The screw member is provided with a horizontal screw hole or a through hole in a direction perpendicular to the axis of the screw member from the peripheral surface, and is inserted into a horizontal hole extending from the side surface of the first beam to the screw member. Bolts screwed into horizontal screw holes, or inserted through the through holes A beam joint is secured to the side surface of the first beam by the bolts, the beam joint and the second beam are connected, and the steel reinforcement is provided on the steel reinforcement. Between the end face of the screw member inserted through the bolt hole and screwed into the wood member of the first beam, the bolt is screwed into the screw hole provided in the axial direction of the screw member. It is intended to provide a building structural frame that is constrained so as not to cause a displacement.

この建築構造躯体では、第１の梁の第２の梁と接合される部分にねじ込まれたスクリュー部材に軸線と直角方向の横ねじ孔又は貫通孔が設けられている。そして、この横ねじ孔に螺合されるボルト又は貫通孔に挿通されたボルトによって強固に梁接合金具が取り付けられる。また、同じスクリュー部材の軸線方向に形成されたねじ孔にボルトを螺合して鋼補強材を梁の木部材に固定することができる。したがって、共通のスクリュー部材を用いて木部材の補強と梁と梁との接合を合理的に行うことができる。   In this building structural frame, a lateral screw hole or a through hole in a direction perpendicular to the axis is provided in a screw member screwed into a portion of the first beam joined to the second beam. Then, the beam joining bracket is firmly attached by a bolt screwed into the horizontal screw hole or a bolt inserted into the through hole. Further, the steel reinforcing material can be fixed to the wooden member of the beam by screwing a bolt into a screw hole formed in the axial direction of the same screw member. Therefore, it is possible to rationally reinforce the wooden member and join the beam to each other using a common screw member.

請求項８に係る発明は、 複数の木製柱と、これらの木製柱によって支持される複数の梁とを有し、第１の梁の端面又は側面に第２の梁の端面を突き当てるように接合された建築構造であって、 前記第２の梁は、横方向に架け渡される木部材と、この木部材の上面又は下面に当接され、該木部材の軸線方向に沿って固着される鋼補強材を有し、 該第２の梁の端部に、棒状鋼材の周面に螺旋状の張り出し部を有するスクリュー部材が上下方向にねじ込まれ、 前記スクリュー部材には、周面から該スクリュー部材の軸線と直角方向に貫通孔が設けられており、 前記第２の梁の側面から前記スクリュー部材及び前記第２の梁を貫通するドリフトピンを、前記第１の梁の側面又は端面に固着された梁接合金具に係止することによって、 前記第１の梁と前記第２の梁とが連結されており、 前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記第２の梁の木部材にねじ込まれたスクリュー部材の端面から該スクリュー部材の軸線方向に設けられたねじ孔に螺合されたボルトによって該木部材の軸線方向へ相互間の変位が生じないように拘束されている建築構造躯体を提供するものである。   The invention according to claim 8 has a plurality of wooden columns and a plurality of beams supported by these wooden columns, and the end surface of the second beam is abutted against the end surface or the side surface of the first beam. It is a joined building structure, wherein the second beam is brought into contact with a wooden member laid across in a lateral direction and an upper surface or a lower surface of the wooden member, and is fixed along the axial direction of the wooden member. A screw member having a steel reinforcing material, and having a spiral projecting portion on the circumferential surface of the rod-shaped steel material at the end of the second beam is screwed in the vertical direction; A through hole is provided in a direction perpendicular to the axis of the member, and a drift pin penetrating the screw member and the second beam from a side surface of the second beam is fixed to a side surface or an end surface of the first beam. By locking to the beam-joint fitting made, the first A beam is connected to the second beam, and the steel reinforcing member is inserted into a bolt hole provided in the steel reinforcing member and is screwed into a wooden member of the second beam. An object of the present invention is to provide a building structural frame that is constrained by a bolt screwed into a screw hole provided in the axial direction of the screw member so as not to cause mutual displacement in the axial direction of the wooden member.

この建築構造躯体では、第２の梁に軸線方向と直角方向に貫通孔が設けられたスクリュー部材がねじ込まれており、このスクリュー部材の貫通孔に第２の梁の側面から貫入したドリフトピンにより第１の梁に接合されている梁接合金具に第２の梁の端部を接合することができる。また、この第２の梁の上面又は下面には上記スクリュー部材の鉛直方向に設けられたねじ孔にボルトを螺合し、このボルトによって第２の梁の木部材に鋼補強材を固着することができる。これにより、鋼補強材による第２の梁の補強及び第１の梁と第２の梁との接合を合理的に行うことができる。   In this building structure frame, a screw member having a through hole provided in a direction perpendicular to the axial direction is screwed into the second beam, and the drift pin penetrated from the side surface of the second beam into the through hole of the screw member. The end of the second beam can be joined to the beam joint fitting joined to the first beam. Further, a bolt is screwed into a screw hole provided in the vertical direction of the screw member on the upper surface or the lower surface of the second beam, and the steel reinforcing material is fixed to the wooden member of the second beam with the bolt. Can do. Thereby, reinforcement of the 2nd beam by a steel reinforcement and joining of the 1st beam and the 2nd beam can be performed rationally.

以上説明したように、本願発明に係る複合部材及びこれを用いた建築構造躯体では、横方向に架け渡される木部材の上面又は下面に、軸線方向に沿って鋼補強材を固着させることにより、大きな曲げモーメントに抵抗できる複合部材を形成することができる。また、複合梁を構成する木部材の上下方向にねじ込まれたスクリュー部材を介して梁を補強する鋼補強材だけでなく柱と梁を接合する接合金具や梁と梁とを接合する梁接合金具を取り付けることもでき、部品の数を少なく抑えて横架材の補強と柱と梁、梁と梁とを強固に接合することができる。   As described above, in the composite member according to the present invention and the building structure using the same, by fixing the steel reinforcing material along the axial direction on the upper surface or the lower surface of the wooden member spanned in the lateral direction, A composite member that can resist a large bending moment can be formed. Also, not only steel reinforcements that reinforce beams via screw members that are screwed in the vertical direction of the wooden members that make up the composite beam, but also metal fittings that join columns and beams, and beam joints that join beams and beams. Can be attached, and the number of parts can be reduced to reinforce the horizontal member and firmly join the column and beam, and the beam and beam.

以下、本願発明の実施の形態を図に基づいて説明する。
図１は、本願発明に係る複合部材を用いた建築構造躯体を示す概略斜視図である。
この構造躯体は、木製柱１と鋼補強材により補強された複合梁２，３，４、５とを曲げモーメントの伝達が可能となるように接合したラーメン架構体又は木製柱１と木製梁６とを同様に接合したラーメン架構体を複数組み合わせて形成されている。それぞれのラーメン架構体を構成する木製柱１、複合梁２，３，４、５及び木製梁６は、ラーメン架構体の軸線を含む面と平行な方向の断面寸法を大きく、これと直角方向の断面寸法を小さくして扁平な部材となっている。したがって、各ラーメン架構体の各部材は一方向の曲げに抵抗する部材として用いられ、複数の一方向ラーメンを組み合わせて構造躯体の全体を構成している。各ラーメン架構体は、柱の上端面に梁を当接して接合する、いわゆる梁勝ち構造となっており、梁と梁とを接合することによって複数のラーメン架構体が互いに連結されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view showing a building structural frame using a composite member according to the present invention.
This structural frame is a rigid frame structure or a wooden column 1 and a wooden beam 6 in which the wooden column 1 and the composite beams 2, 3, 4, and 5 reinforced by the steel reinforcing material are joined so as to be able to transmit a bending moment. Are combined to form a plurality of frame structures joined together. Each of the wooden columns 1, composite beams 2, 3, 4, 5 and wooden beams 6 constituting each of the rigid frame structures has a large cross-sectional dimension in a direction parallel to the plane including the axis of the rigid frame structure. The cross-sectional dimension is reduced to provide a flat member. Therefore, each member of each frame structure is used as a member that resists bending in one direction, and a plurality of one-way frames are combined to constitute the entire structural frame. Each of the rigid frame structures has a so-called beam winning structure in which beams are brought into contact with and joined to the upper end surfaces of the columns, and a plurality of rigid frame structures are connected to each other by joining the beams.

ラーメン架構体は、一階の大きな開口を設ける部分で梁の支間が大きくなっており、さらに二階部分が一階部分から張り出す構造となっている。このため、張り出し部分を含んだ梁２、３は、木部材に鋼補強材を取り付けた複合梁となっている。また、この張り出し部分を含む複合梁２の一方の側面に端面が対向するように接合された梁５にも鋼補強材により補強された複合梁が使用されている。なお、これらの複合梁２．３間に架け渡す梁として木製梁７が配置されている。   The ramen frame has a structure in which a large opening on the first floor is provided with a large span of beams, and a second floor portion projects from the first floor portion. For this reason, the beams 2 and 3 including the overhanging portion are composite beams in which a steel reinforcing material is attached to a wooden member. A composite beam reinforced with a steel reinforcing material is also used for the beam 5 joined so that the end face faces one side surface of the composite beam 2 including the overhanging portion. In addition, the wooden beam 7 is arrange | positioned as a beam bridged between these composite beams 2.3.

図２は、図１に示す構造躯体で用いられる複合梁２の構成を示す分解斜視図であり、図３（ａ）は複合梁に用いられる木部材の平面図、図３（ｂ）は鋼補強材と木部材とを接合した複合梁の断面図、図３（ｃ）は鋼補強材の断面図である。
これらの図が示すように、この複合梁２は、横方向に架け渡される木部材１１の上面及び下面に、軸線方向に沿って鋼からなる鋼補強材１２が接触して配置され、ボルト１３により強固に固着されている。
上記木部材１１は、図２に示すように、上面及び下面に軸線方向の平行した２本の溝１１ａがそれぞれ切削されるとともに、所定の間隔で上下方向にスクリュー部材２４がねじ込まれている。 2 is an exploded perspective view showing the configuration of the composite beam 2 used in the structural frame shown in FIG. 1, FIG. 3 (a) is a plan view of a wooden member used for the composite beam, and FIG. 3 (b) is a steel diagram. Sectional drawing of the composite beam which joined the reinforcing material and the wooden member, FIG.3 (c) is sectional drawing of a steel reinforcing material.
As shown in these drawings, the composite beam 2 is arranged such that a steel reinforcing material 12 made of steel is in contact with an upper surface and a lower surface of a wooden member 11 laid across in a lateral direction, and a bolt 13 It is firmly fixed by.
As shown in FIG. 2, the wooden member 11 has two axially parallel grooves 11a cut on the upper surface and the lower surface, and screw members 24 are screwed up and down at predetermined intervals.

図４は、上記スクリュー部材２４の上面図及び側面図を示すものである。このスクリュー部材２４は、円形断面を有する棒状の軸部２４ａの周面に螺旋状の張り出し部２４ｂを設けたものである。そして、その両端部には端面から軸線方向にねじ穴２４ｃが設けられている。このスクリュー部材２４は、木部材１１の所定位置に上下方向の孔１１ｂを穿設し、さらに螺旋状の溝を切削した後にねじ込むものである。   FIG. 4 shows a top view and a side view of the screw member 24. This screw member 24 is provided with a spiral projecting portion 24b on the peripheral surface of a rod-shaped shaft portion 24a having a circular cross section. And the screw hole 24c is provided in the axial direction from the end surface at the both ends. The screw member 24 is provided with a hole 11b in the vertical direction at a predetermined position of the wood member 11, and further screwed after cutting a spiral groove.

上記鋼補強材１２は、木部材１１の軸線方向長よりやや短くなっており、木部材１１の上面及び下面に当接して接合される板状部１２ａと、この板状部の両側部からほぼ垂直に折り曲げられて連続し、互いにほぼ平行となった二つの挿入板部１２ｂとを備えるものである。挿入板部１２ｂは、木部材１１に形成された２本の溝１１ａ内に挿入されるものであり、この挿入板部１２ｂが二つの溝１１ａ内に挿入されたときに板状部１２ａが木部材１１の上面又は下面に当接するようになっている。上記板状部１２ａは、木部材１１の幅よりも小さく形成されており、木部材１１にねじ込まれたスクリュー部材２４の端面と対向する位置にボルト孔１２ｃが形成されている。   The steel reinforcing member 12 is slightly shorter than the length of the wooden member 11 in the axial direction. The steel reinforcing member 12 is a plate-like portion 12a that is joined in contact with the upper and lower surfaces of the wooden member 11, and substantially from both sides of the plate-like portion. It is provided with two insertion plate portions 12b that are bent vertically and are continuous and substantially parallel to each other. The insertion plate portion 12b is inserted into the two grooves 11a formed in the wood member 11. When the insertion plate portion 12b is inserted into the two grooves 11a, the plate-like portion 12a is It contacts the upper surface or the lower surface of the member 11. The plate-like portion 12 a is formed smaller than the width of the wooden member 11, and a bolt hole 12 c is formed at a position facing the end face of the screw member 24 screwed into the wooden member 11.

上記鋼補強材１２は、木部材１１の溝１１ａに挿入板部１２ｂを挿入し、鋼補強材１２のボルト孔１２ｃに挿通したボルト１３をスクリュー部材２４に設けられたねじ孔２４ｃに螺合して、締め付けることによって固定されている。これにより木部材１１に鋼補強材１２が強く押し付けられ、木部材１１と鋼補強材１２との間の相対的なずれを抑えるように接合されるものである。   The steel reinforcing member 12 has an insertion plate portion 12b inserted into the groove 11a of the wooden member 11, and a bolt 13 inserted through the bolt hole 12c of the steel reinforcing member 12 is screwed into a screw hole 24c provided in the screw member 24. It is fixed by tightening. As a result, the steel reinforcing member 12 is strongly pressed against the wooden member 11 and joined so as to suppress a relative shift between the wooden member 11 and the steel reinforcing member 12.

上記鋼補強材には、板状部の木部材１１と当接する面から突出する小突起２２ｄを形成しておくこともできる。図５（ａ）は、小突起２２ｄが形成された鋼補強材２２の正面図（端面を示す図）、図５（ｂ）はＡ−Ａ矢視図、図５（ｃ）はＢ−Ｂ断面図である。鋼補強材２２の板状部２２ａが木部材１１に強く押し付けられたときに、これらの小突起２２ｄが木部材１１に押し込まれ、この木部材１１の軸線方向にずれを生じさせようとする力に対して抵抗し、鋼補強材２２が木部材１１に対してずれるのを抑制することができる。このような小突起２２ｄは、例えば板状２２ａ部にプレス加工を施し、側面形状がほぼ三角形となるように突出させて形成することができる。なお、図５中に示す符号２２ｂは、木部材１１の溝１１ａに挿入される挿入板部、符号２２ｃはボルトを挿通するボルト孔を示すものである。   A small protrusion 22d that protrudes from a surface that contacts the wooden member 11 of the plate-like portion may be formed in the steel reinforcing material. FIG. 5A is a front view of the steel reinforcing member 22 on which the small protrusions 22d are formed (a view showing the end face), FIG. 5B is a view taken along the line AA, and FIG. It is sectional drawing. When the plate-like portion 22a of the steel reinforcing member 22 is strongly pressed against the wooden member 11, these small protrusions 22d are pressed into the wooden member 11 and force to cause a shift in the axial direction of the wooden member 11 It can resist, and it can control that steel reinforcement material 22 shifts to wood member 11. Such small protrusions 22d can be formed, for example, by pressing the plate-like 22a portion so that the side surface shape is substantially triangular. In addition, the code | symbol 22b shown in FIG. 5 shows the insertion plate part inserted in the groove | channel 11a of the wooden member 11, and the code | symbol 22c shows the volt | bolt hole which penetrates a volt | bolt.

以上に説明した複合梁２では、鋼補強材１２、２２を木部材１１の上面及び下面の双方に固着させたが、上面又は下面のどちらか一方に鋼補強材１２，２２を固着するものであってもよい。
また、上記実施形態の複合梁２では、木部材１１に上下方向へ貫通するスクリュー部材２４をねじ込み、木部材１１の上面及び下面に露出したスクリュー部材２４の端面からボルト１３をそれぞれ螺合させたが、図６に示すように、木部材１１の高さの１／２よりも短いスクリュー部材２６を木部材１１の上面又は下面からそれぞれにねじ込んだものであってもよい。さらに、図７に示すように、スクリュー部材に代えて、外周面に螺旋状の張り出し部を備えない棒状部材２９又は筒状部材を木部材１１に設けられた穴１１ｃに貫入して用いてもよい。また、図７に示すように棒状部材２９又は筒状部材を用いるときには、これらの部材にドリフトピン３０を係止するのが望ましい。このドリフトピン３０は、図７に示すように、棒状部材２９又は筒状部材に軸線と直角方向の横孔２９ａを設けておき、木部材１１の側面から水平方向に形成された貫通孔１１ｄに挿通するとともに上記横孔２９ａに挿通する。これにより、棒状部材２９又は筒状部材が抜け出して木部材１１から脱落するのを防止するともに、鋼補強材から作用する力が分散されて木部材１１に作用し、木部材１１に対する棒状部材２９又は筒状部材の変位が大きくならないように抑えることができる。 In the composite beam 2 described above, the steel reinforcing members 12 and 22 are fixed to both the upper surface and the lower surface of the wooden member 11, but the steel reinforcing members 12 and 22 are fixed to either the upper surface or the lower surface. There may be.
Moreover, in the composite beam 2 of the said embodiment, the screw member 24 penetrated to the wooden member 11 to an up-down direction was screwed, and the volt | bolt 13 was screwed together from the end surface of the screw member 24 exposed to the upper surface and lower surface of the wooden member 11, respectively. However, as shown in FIG. 6, a screw member 26 shorter than ½ of the height of the wooden member 11 may be screwed into the upper surface or the lower surface of the wooden member 11. Furthermore, as shown in FIG. 7, instead of the screw member, a rod-like member 29 or a cylindrical member that does not have a spiral protruding portion on the outer peripheral surface may be used by penetrating into the hole 11 c provided in the wooden member 11. Good. Moreover, when using the rod-shaped member 29 or a cylindrical member as shown in FIG. 7, it is desirable to lock the drift pin 30 to these members. As shown in FIG. 7, the drift pin 30 is provided with a horizontal hole 29 a in a direction perpendicular to the axis line in a rod-shaped member 29 or a cylindrical member, and a through hole 11 d formed in a horizontal direction from the side surface of the wooden member 11. It is inserted through the lateral hole 29a. This prevents the rod-shaped member 29 or the cylindrical member from slipping out and falling off the wooden member 11, and the force acting from the steel reinforcing material is dispersed and acts on the wooden member 11, and the rod-shaped member 29 against the wooden member 11. Or it can suppress so that the displacement of a cylindrical member may not become large.

木部材１１の軸線方向にねじ込むスクリュー部材２４、２６又は棒状部材２９等の間隔は、木部材１１と鋼補強材１２との間で大きなせん断力が作用する部分で狭くし、せん断力の値が小さい部分で広く設定することもできる。つまり、支間の中央部付近では曲げモーメントが大きく作用するが、木部材１１と鋼補強材１２との間でずれを生じさせようとするせん断力の値は小さくなり、スクリュー部材２４，２６を配置する間隔を大きくしてスクリュー部材２４、２６の本数を低減することができる。
また、せん断力が大きく作用する部分には木部材１１を上下方向に貫通するスクリュー部材２４を用い、大きなせん断力が作用しない部分には短いスクリュー部材２６又は棒状部材２９等を木部材１１の上面または下面からそれぞれ貫入してもよい。
さらに、後述するように、複合部材である梁つまり横架材が木製柱１と接合される部分では、梁と木製柱とを接合するために用いられるスクリュー部材を利用することができ、これらの位置を考慮して鋼補強材を固着するためスクリュー部材等の種類及びねじ込む位置を適宜選択するのが望ましい。また、上記複合部材からなる梁が端梁と接合される部分でスクリュー部材が用いられるときにも、このスクリュー部材を同様に利用して、スクリュー部材等の配置を設定することができる。 The distance between the screw members 24 and 26 or the rod-shaped member 29 screwed in the axial direction of the wooden member 11 is narrowed at a portion where a large shearing force acts between the wooden member 11 and the steel reinforcing member 12, and the value of the shearing force is reduced. It can also be set widely in small parts. That is, a large bending moment acts in the vicinity of the center of the span, but the value of the shearing force that tends to cause a shift between the wooden member 11 and the steel reinforcing member 12 becomes small, and the screw members 24 and 26 are arranged. It is possible to reduce the number of screw members 24 and 26 by increasing the interval between them.
Further, a screw member 24 penetrating the wooden member 11 in the vertical direction is used for a portion where a large shearing force is applied, and a short screw member 26 or a rod-shaped member 29 is provided on the top surface of the wooden member 11 for a portion where a large shearing force is not applied. Or you may penetrate from a lower surface, respectively.
Furthermore, as will be described later, in the portion where the beam, that is, the horizontal member, which is a composite member is joined to the wooden column 1, a screw member used to join the beam and the wooden column can be used. In order to fix the steel reinforcing material in consideration of the position, it is desirable to appropriately select the type of screw member and the screwing position. Moreover, also when a screw member is used in the part where the beam which consists of the said composite member is joined to an end beam, arrangement | positioning of a screw member etc. can be set similarly using this screw member.

図８は、図１に示す建築構造躯体における木製柱１と複合梁２、及び複合梁２と複合梁５とを接合した部分の構造を示す分解斜視図であって、請求項６、請求項７又は請求項８に係る発明の一実施形態を示す概略構成図である。
この建築構造躯体では、木製柱１と第１の複合梁２とを剛結合、つまり曲げモーメントが伝達されるように接合するものであり、木製柱１と第１の複合梁２とがラーメン架構体を構成している。そして、木製柱１と第１の複合梁２とが接合された位置で第１の複合梁２と第２の複合梁５が接合されている。
なお、第２の複合梁５は、図２及び図３に示す第１の複合梁２と同様に木部材３１に鋼補強材３２がボルト１５により固着されたものである。 FIG. 8 is an exploded perspective view showing a structure of a portion where the wooden column 1 and the composite beam 2 and the composite beam 2 and the composite beam 5 are joined in the building structure frame shown in FIG. It is a schematic block diagram which shows one Embodiment of the invention which concerns on Claim 7 or Claim 8.
In this building structure, the wooden column 1 and the first composite beam 2 are rigidly connected, that is, joined so that a bending moment is transmitted. The wooden column 1 and the first composite beam 2 are connected to the frame structure. Make up body. And the 1st composite beam 2 and the 2nd composite beam 5 are joined in the position where the wooden pillar 1 and the 1st composite beam 2 were joined.
The second composite beam 5 is obtained by fixing a steel reinforcing member 32 to the wooden member 31 with bolts 15 in the same manner as the first composite beam 2 shown in FIGS. 2 and 3.

木製柱１と第１の複合梁２との接合部では、図８に示すように、木製柱１の下端における端面の長辺方向の両端部に切り欠き部１ａが設けられ、中央部１ｂは第１の複合梁２の上面つまり木部材１１に取り付けられた鋼補強材１２の上面に当接されている。そして、木製柱１の切り欠き部１ａからこの木製柱１の軸線方向に２本のスクリュー部材２７がねじ込まれている。このスクリュー部材２７は鋼からなり、上記複合梁２にねじ込まれるスクリュー部材２４と同様の構成となっており、木製柱１の下端の切り欠き１ａから貫入孔を軸線方向に設け、さらに螺旋状の溝を切削した後にねじ込まれたものである。
一方、第１の複合梁２の対応する位置には鉛直方向にスクリュー部材２４、２５がねじ込まれており、木製柱１にねじ込まれたスクリュー部材２７と第１の複合梁２にねじ込まれたスクリュー部材２４、２５との端面が互いに対向するものとなっている。 As shown in FIG. 8, at the joint between the wooden column 1 and the first composite beam 2, notches 1a are provided at both ends in the long side direction of the end surface at the lower end of the wooden column 1, and the central portion 1b is It is in contact with the upper surface of the first composite beam 2, that is, the upper surface of the steel reinforcing member 12 attached to the wooden member 11. Then, two screw members 27 are screwed in the axial direction of the wooden pillar 1 from the cutout portion 1 a of the wooden pillar 1. The screw member 27 is made of steel and has the same configuration as the screw member 24 screwed into the composite beam 2, and a through hole is provided in the axial direction from the notch 1 a at the lower end of the wooden column 1, and further the spiral member Screwed after cutting the groove.
On the other hand, screw members 24 and 25 are screwed in the vertical direction at corresponding positions of the first composite beam 2, and screw members 27 screwed into the wooden pillar 1 and screws screwed into the first composite beam 2. The end surfaces of the members 24 and 25 are opposed to each other.

上記木製柱１の下端部に設けられた切り欠き１ａ内には、柱梁接合金具４０が取り付けられる。この柱梁接合金具４０は鋼からなり、木製柱１の切り欠き部１ａ内における水平面と第１の梁２の上面とに当接される二つの水平板部４０ａと、対向する水平板部４０ａのそれぞれの縁部を連結する側板部４０ｂとを備えている。水平板部４０ａにはボルト孔が設けられており、木製柱１の端部に設けられた切り欠き１ａ内で、これらの水平板部４０ａがそれぞれ木製柱１及び第１の複合梁２にねじ込まれたスクリュー部材２４、２５、２７の端面と対向するように配置される。そして、ボルト孔に挿通したボルト１７を木製柱１に貫入されたスクリュー部材２７の下端面に形成されたねじ穴に螺合し、締め付けることによって木製柱１の下端部に強固に固定されるものとなっている。また、下側の水平板部４０ａは、第１の複合梁２の鋼補強材１２の上面に当接され、ボルト孔に挿通したボルト１４を第１の複合梁２にねじ込まれたスクリュー部材２４，２５に螺合することによって固定される。   In the notch 1a provided at the lower end portion of the wooden column 1, a column beam joining bracket 40 is attached. This column beam joint fitting 40 is made of steel, and two horizontal plate portions 40 a that are in contact with the horizontal plane in the cutout portion 1 a of the wooden column 1 and the upper surface of the first beam 2, and opposite horizontal plate portions 40 a. The side plate part 40b which connects each edge part of this is provided. The horizontal flat plate portion 40a is provided with bolt holes, and these horizontal plate portions 40a are screwed into the wooden column 1 and the first composite beam 2 in the notch 1a provided at the end of the wooden column 1, respectively. It arrange | positions so that the end surface of the screw member 24,25,27 which was made may be opposed. Then, the bolt 17 inserted into the bolt hole is screwed into a screw hole formed in the lower end surface of the screw member 27 inserted into the wooden column 1 and is fastened firmly to the lower end portion of the wooden column 1 by tightening. It has become. The lower horizontal plate portion 40 a is in contact with the upper surface of the steel reinforcing member 12 of the first composite beam 2, and the screw member 24 in which the bolt 14 inserted into the bolt hole is screwed into the first composite beam 2. , 25 to be fixed.

図９は、上記のように接合された木製梁１と第１の複合梁２との接合部分を示す断面図である。この図に示すように、木製柱１の下端面の中央部１ｂが第１の複合梁２の上面、つまり鋼補強材１２の板状部１２ａに当接されるとともに、木製柱１の切り欠き部１ａに固着された柱梁接合金具４０が鋼補強材１２に当接される。第１の複合梁２は、木部材１１の溝１１ａに鋼補強材の挿入板部１２ｂが差し入れられ、板状部１２ａが木部材１１の上面に当接されている。柱梁接合金具４０の下側の水平板部４０ａに設けられたボルト孔に挿通されたボルト１４は、板状部１２ａに設けられたボルト孔１２ｃに挿通され、スクリュー部材２４，２５の端面に設けられたねじ穴２４ｃ，２５ｃに螺合して強く締め付けられる。これにより、柱梁接合金具４０は鋼補強材１２を介して第１の複合梁２に固定されるとともに、鋼補強材１２は木部材１１に強く押し付けられ、鋼補強材１２と木部材１１とは相互間のずれが生じないように拘束される。したがって、木製柱１に作用する荷重は、柱の下端面及び柱梁接合金具４０を介して第１の複合梁２に伝達されるとともに、柱の下端に作用する曲げモーメントは、柱にねじ込まれたスクリュー部材２７、柱梁接合金具４０及び第１の複合梁２にねじ込まれたスクリュー部材２４，２５を介して、引張力又は圧縮力として第１の複合梁２に伝達される。そして、スクリュー部材２４，２５に螺合したボルト１４は鋼補強材１２を木部材１１に押圧し、第１の複合梁２の鋼補強材１２が木部材１１に対して軸線方向のずれを生じないように固着するのに寄与し、第１の複合梁２は大きな曲げモーメントに対しても抵抗できる部材となっている。
なお、以上の説明は第１の複合梁２の上面に上層階の木製柱１を接合する構造について説明したが、第１の複合梁２の下面に当接され、この第１の複合梁２を支持する下層階の木製柱１も共通のスクリュー部材２４，２５を用いて同様に接合することができる。 FIG. 9 is a cross-sectional view showing a joint portion between the wooden beam 1 and the first composite beam 2 joined as described above. As shown in this figure, the central portion 1b of the lower end surface of the wooden column 1 is brought into contact with the upper surface of the first composite beam 2, that is, the plate-like portion 12a of the steel reinforcing member 12, and the notch of the wooden column 1 is cut. The column beam joint bracket 40 fixed to the portion 1 a is brought into contact with the steel reinforcement member 12. In the first composite beam 2, a steel reinforcing member insertion plate portion 12 b is inserted into the groove 11 a of the wooden member 11, and the plate-like portion 12 a is in contact with the upper surface of the wooden member 11. The bolts 14 inserted into the bolt holes provided in the horizontal plate part 40a on the lower side of the beam-to-column fitting 40 are inserted into the bolt holes 12c provided in the plate-like part 12a to the end faces of the screw members 24 and 25. The screw holes 24c, 25c provided are screwed and tightened strongly. As a result, the column beam joint bracket 40 is fixed to the first composite beam 2 via the steel reinforcing member 12, and the steel reinforcing member 12 is strongly pressed against the wooden member 11, and the steel reinforcing member 12, the wooden member 11, Are constrained so that there is no misalignment between them. Therefore, the load acting on the wooden column 1 is transmitted to the first composite beam 2 via the column lower end surface and the column beam joint fitting 40, and the bending moment acting on the column lower end is screwed into the column. The tensile force or the compressive force is transmitted to the first composite beam 2 through the screw member 27, the column beam joint fitting 40, and the screw members 24 and 25 screwed into the first composite beam 2. The bolts 14 screwed into the screw members 24 and 25 press the steel reinforcing member 12 against the wooden member 11, and the steel reinforcing member 12 of the first composite beam 2 is displaced in the axial direction with respect to the wooden member 11. The first composite beam 2 is a member that can resist a large bending moment.
In the above description, the structure in which the upper wooden pillar 1 is joined to the upper surface of the first composite beam 2 is described. However, the first composite beam 2 is in contact with the lower surface of the first composite beam 2. The wooden pillar 1 on the lower floor that supports can be joined in the same manner using the common screw members 24 and 25.

次ぎに、第１の複合梁２と第２の複合梁５との接続構造を説明する。
第１の複合梁２と第２の複合梁５とは、図８に示すように第１の複合梁２の側面に固着された梁接合金具５０を介して接合されている。
第２の複合梁５と接合される部分にねじ込まれたスクリュー部材２５は、図１０に示すように軸線と直角方向に横ねじ孔２５ｄが形成されており、梁接合金具５０は、第１の複合梁２の側面からこのスクリュー部材２５の横ねじ孔２５ｄに螺合されたボルト１６により固着される。第１の複合梁２には側面からスクリュー部材２５の横ねじ孔に通じる横穴１１ｅが設けられており、ボルト１６はこの横穴１１ｅに挿通してスクリュー部材２５に螺合される。 Next, a connection structure between the first composite beam 2 and the second composite beam 5 will be described.
As shown in FIG. 8, the first composite beam 2 and the second composite beam 5 are joined together via a beam joint 50 fixed to the side surface of the first composite beam 2.
The screw member 25 screwed into the portion to be joined to the second composite beam 5 has a horizontal screw hole 25d formed in a direction perpendicular to the axis as shown in FIG. The composite beam 2 is fixed by a bolt 16 screwed into the lateral screw hole 25d of the screw member 25 from the side surface. The first composite beam 2 is provided with a lateral hole 11e that leads from the side to the lateral screw hole of the screw member 25, and the bolt 16 is inserted into the lateral hole 11e and screwed into the screw member 25.

梁接合金具５０は、第１の複合梁２の側面に当接される第１の接合板部５０ａと、この第１の接合板部５０ａの両側縁から直角に立ち上げられた２つの第２の接合板部５０ｂとを有しており、第１の接合板部５０ａには、スクリュー部材２５に螺合されるボルト１６を挿通する穴５０ｃが設けられている。また、２つの第２の接合板部５０ｂには、それぞれの対応する位置にピン５１を挿通するピン穴５０ｄが設けられている。   The beam joining metal fitting 50 includes a first joining plate portion 50a that is in contact with the side surface of the first composite beam 2, and two second raised from both side edges of the first joining plate portion 50a. The first connecting plate portion 50a is provided with a hole 50c through which the bolt 16 to be screwed into the screw member 25 is inserted. Moreover, the pin hole 50d which penetrates the pin 51 in each corresponding position is provided in the two 2nd joining board parts 50b.

また、第２の複合梁５の木部材３１は、端部にスクリュー部材２８が貫入されるとともに、この端面には鉛直方向のスリット３１ａがスクリュー部材２８が貫入される位置の両側に設けられている。そして、このスリット３１ａのそれぞれに梁接合金具５０の第２の接合板部５０ｂが挿入され、第２の複合梁５の側面の横穴３１ｂからピン５１を挿入し、第２の接合板部５０ｂのピン穴５０ｄおよびスクリュー部材２８の貫通孔２８ａに挿通することによって、梁接合金具５０とスクリュー部材２８とが結合されている。   Further, the wood member 31 of the second composite beam 5 has a screw member 28 penetrated into an end portion thereof, and vertical slits 31a are provided on both sides of a position where the screw member 28 is penetrated in this end face. Yes. And the 2nd junction board part 50b of the beam joining metal fitting 50 is inserted in each of this slit 31a, the pin 51 is inserted from the horizontal hole 31b of the side surface of the 2nd composite beam 5, and the 2nd junction board part 50b By inserting the pin hole 50d and the through hole 28a of the screw member 28, the beam joint fitting 50 and the screw member 28 are coupled.

上記第２の複合梁５に貫入されたスクリュー部材２８にも上端面と下端面からこのスクリュー部材の軸線方向にねじ穴２８ｂが形成されており、このねじ穴に螺合されたボルト１５によって、第２の複合梁５の上面及び下面に沿って配置された鋼補強材３２が木部材３１に強く押し付けられている。   A screw hole 28b is also formed in the axial direction of the screw member from the upper end surface and the lower end surface of the screw member 28 penetrating into the second composite beam 5, and the bolt 15 screwed into the screw hole A steel reinforcing member 32 disposed along the upper and lower surfaces of the second composite beam 5 is strongly pressed against the wooden member 31.

本願発明に係る複合梁を用いた木造建築物の構造躯体を示す概略斜視図である。It is a schematic perspective view which shows the structural frame of the wooden building using the composite beam which concerns on this invention. 図１に示す構造躯体で用いられる複合梁の構成を示す分解斜視図である。It is a disassembled perspective view which shows the structure of the composite beam used with the structural housing shown in FIG. 図２に示す複合梁の木部材の平面図、木部材と鋼補強材とを接合した断面図及び鋼補強材の断面図である。FIG. 3 is a plan view of a wood member of the composite beam shown in FIG. 2, a cross-sectional view in which the wood member and the steel reinforcing material are joined, and a cross-sectional view of the steel reinforcing material. 図１の構造躯体で用いられるスクリュー部材の上面図及び側面図である。It is the upper side figure and side view of a screw member used with the structural housing of FIG. 図２に示す複合梁で用いることができる鋼補強材の他の例を示す端面図、矢視図及び断面図である。FIG. 4 is an end view, an arrow view, and a cross-sectional view showing another example of a steel reinforcing material that can be used in the composite beam shown in FIG. 2. 図１の構造躯体で用いることができる複合部材の他の例を示す分解斜視図である。It is a disassembled perspective view which shows the other example of the composite member which can be used with the structural housing of FIG. 図１の構造躯体で用いることができる複合部材の他の例において、鋼補強材を接合する構造を示す概略斜視図である。It is a schematic perspective view which shows the structure which joins a steel reinforcement in the other example of the composite member which can be used with the structural housing of FIG. 請求項６、請求項７又は請求項８に係る発明の一実施形態である建築構造躯体を示す分解斜視図である。It is a disassembled perspective view which shows the building structural frame which is one Embodiment of the invention which concerns on Claim 6, Claim 7, or Claim 8. 木製柱と複合梁との接合部を示す拡大断面図である。It is an expanded sectional view which shows the junction part of a wooden pillar and a composite beam. 図８に示す建築構造躯体の梁と梁とが接合される部分に用いられるスクリュー部材 の上面図、正面図及び側面図である。FIG. 9 is a top view, a front view, and a side view of a screw member used in a portion where the beams of the building structural frame shown in FIG. 8 are joined together.

符号の説明Explanation of symbols

１：木製柱、 １ａ：切り欠き、 ２，３，４，５：複合梁、 ６，７：木製梁、
１１、２１、３１：木部材、 １１ａ：溝、 １１ｂ：スクリュー部材をねじ込む孔、 １２、２２、３２、４２：鋼補強材、 １２ａ，２２ａ：板状部、 １２ｂ，２２ｂ：挿入板部、 １２ｃ，２２ｃ：ボルト孔、 ２２ｄ：小突起、 １３、１４、１５、１６：ボルト、 ２４、２５、２６、２７、２８：スクリュー部材、 ２４ｃ、２５ｃ：ねじ穴、 ２９：棒状部材、 ３０：ドリフトピン、 ４０：柱梁接合金具、 ５０：梁接合金具、 ５１：ピン、 1: wooden pillar, 1a: notch, 2, 3, 4, 5: composite beam, 6, 7: wooden beam,
11, 21, 31: wood member, 11a: groove, 11b: hole into which the screw member is screwed, 12, 22, 32, 42: steel reinforcing material, 12a, 22a: plate-like portion, 12b, 22b: insertion plate portion, 12c , 22c: bolt hole, 22d: small protrusion, 13, 14, 15, 16: bolt, 24, 25, 26, 27, 28: screw member, 24c, 25c: screw hole, 29: rod-shaped member, 30: drift pin , 40: beam-to-column fitting, 50: beam-to-beam fitting, 51: pin,

Claims (8)

横方向に架け渡される木部材と、
前記木部材に鉛直方向に嵌め込まれた棒状の鋼部材と、
前記木部材の上面又は下面に、該木部材の軸線方向に沿って接触するように配置される鋼補強材と、
前記鋼補強材に設けられたボルト孔に挿通され、前記鋼部材の端面から軸線方向に設けられたねじ孔に螺合されるボルトとを有し、
前記鋼補強材と前記木部材とが、前記ボルトを締め付けることによって該木部材の軸線方向への相互間の相対的な変位が生じないように拘束されていることを特徴とする複合部材。 A wooden member spanned in the horizontal direction;
A rod-shaped steel member fitted in the vertical direction to the wooden member;
A steel reinforcement disposed to contact the upper or lower surface of the wooden member along the axial direction of the wooden member;
A bolt that is inserted into a bolt hole provided in the steel reinforcement and is screwed into a screw hole provided in an axial direction from an end surface of the steel member;
The composite member, wherein the steel reinforcing member and the wooden member are constrained so as not to cause relative displacement between each other in the axial direction of the wooden member by tightening the bolt. 前記鋼部材は、棒状の基部の外周面に螺旋状の張り出し部を有するスクリュー部材であることを特徴とする請求項１に記載の複合部材。   The composite member according to claim 1, wherein the steel member is a screw member having a spiral projecting portion on an outer peripheral surface of a rod-like base portion. 前記鋼部材は、周面から該鋼部材の軸線と直角方向に貫通する横穴を有し、木部材に嵌め入れられるとともに、前記木部材の側面から該木部材を貫通するドリフトピンが前記横穴に挿通されるものであることを特徴とする請求項１に記載の複合部材。   The steel member has a horizontal hole penetrating in a direction perpendicular to the axis of the steel member from the peripheral surface, and is fitted into the wooden member, and a drift pin penetrating the wooden member from the side surface of the wooden member is formed in the horizontal hole. The composite member according to claim 1, wherein the composite member is inserted. 前記鋼部材は、前記木部材の上面から下面に貫通するように嵌め入れられていることを特徴とする請求項１、請求項２又は請求項３に記載の複合部材。   The composite member according to claim 1, wherein the steel member is fitted so as to penetrate from the upper surface to the lower surface of the wood member. 前記鋼補強材は、前記木部材の上面又は下面に当接される板状基部と、該板状基部の両側縁から前記木部材の軸線方向に連続してほぼ垂直に突き出した２つの挿入板部とを有し、
前記木部材には、軸線方向に２つの溝が切削され、前記挿入板部が該溝内に挿入されていることを特徴とする請求項１から請求項４までのいずれかに記載の複合部材。 The steel reinforcing member includes a plate-like base that is in contact with an upper surface or a lower surface of the wood member, and two insertion plates that protrude substantially perpendicularly from both side edges of the plate-like base in the axial direction of the wood member. And
The composite member according to any one of claims 1 to 4, wherein the wood member has two grooves cut in an axial direction, and the insertion plate portion is inserted into the groove. . 木製柱と、木部材及び鋼補強材の複合部材であって前記木製柱の上端面又は下端面に当接して接合される複合梁とを含む建築構造躯体であって、
前記木製柱には、端面から軸線方向に、棒状鋼材の周面に螺旋状の張り出し部を有する第１のスクリュー部材がねじ込まれ、
前記複合梁の前記木製柱と接合される部分に、上下方向に貫通するように、棒状鋼材の周面に螺旋状の張り出し部を有する第２のスクリュー部材がねじ込まれており、
前記第１のスクリュー部材及び第２のスクリュー部材の端面からこれらの軸線方向に設けられたねじ穴に螺合されたそれぞれのボルトによって固着される共通の接合金具を介して前記木製柱と前記複合梁とが接合されており、
前記複合梁は、前記鋼補強材が前記木部材の上面又は下面に当接して該複合梁の軸線方向に沿って固着されており、
前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記複合梁の木部材にねじ込まれた第２のスクリュー部材に前記接合金具を固着する前記ボルトよって該木部材の軸線方向へ相互間の相対的な変位が生じないように拘束されていることを特徴とする建築構造躯体。 A building structure housing comprising a wooden column and a composite member of a wooden member and a steel reinforcing material and joined in contact with an upper end surface or a lower end surface of the wooden column,
A first screw member having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed into the wooden pillar in the axial direction from the end surface,
A second screw member having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed into the portion of the composite beam that is joined to the wooden column in the vertical direction,
The wooden pillar and the composite are connected to each other by a common joint fitting fixed by respective bolts screwed into screw holes provided in the axial direction from the end surfaces of the first screw member and the second screw member. The beam is joined,
In the composite beam, the steel reinforcement is in contact with the upper surface or the lower surface of the wooden member and fixed along the axial direction of the composite beam,
The steel reinforcing material is inserted in a bolt hole provided in the steel reinforcing material, and is screwed into the second screw member screwed into the wood member of the composite beam. An architectural structure body characterized by being constrained so as not to cause relative displacement between each other. 複数の木製柱と、これらの木製柱によって支持される複数の梁とを有し、第１の梁の端面又は側面に第２の梁の端面を突き当てるように接合された建築構造であって、
前記第１の梁は、横方向に架け渡される木部材と、この木部材の上面又は下面に当接され、該木部材の軸線方向に沿って固着される鋼補強材を有し、
前記第１の梁の前記第２の梁が接合される部分に、棒状鋼材の周面に螺旋状の張り出し部を有するスクリュー部材が前記木部材の上下方向にねじ込まれ、
前記スクリュー部材には、周面から該スクリュー部材の軸線と直角方向に横ねじ孔又は貫通孔が設けられており、
前記第１の梁の側面から前記スクリュー部材に至る横穴に挿通して前記横ねじ孔に螺合されたボルト、又は前記貫通孔に挿通されたボルトによって該第１の梁の側面に梁接合金具が固着され、
該梁接合金具と前記第２の梁とが連結されており、
前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記第１の梁の木部材にねじ込まれたスクリュー部材の端面から該スクリュー部材の軸線方向に設けられたねじ孔に螺合されたボルトによって該木部材の軸線方向へ相互間の変位が生じないように拘束されていることを特徴とする建築構造躯体。 An architectural structure having a plurality of wooden columns and a plurality of beams supported by these wooden columns and joined so as to abut the end surface or side surface of the first beam against the end surface of the second beam ,
The first beam has a wooden member spanned in the lateral direction, and a steel reinforcing material that is in contact with the upper or lower surface of the wooden member and is fixed along the axial direction of the wooden member,
A screw member having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed in the vertical direction of the wooden member at a portion where the second beam of the first beam is joined,
The screw member is provided with a horizontal screw hole or a through hole in a direction perpendicular to the axis of the screw member from the circumferential surface,
A bolt that is inserted into a horizontal hole extending from the side surface of the first beam to the screw member and screwed into the horizontal screw hole, or a beam joint fitting on the side surface of the first beam by a bolt inserted into the through hole. Is fixed,
The beam joining bracket and the second beam are connected,
The steel reinforcing member is inserted into a bolt hole provided in the axial direction of the screw member from an end surface of the screw member inserted into a bolt hole provided in the steel reinforcing member and screwed into the wooden member of the first beam. A building structural frame characterized in that it is constrained by a combined bolt so as not to cause mutual displacement in the axial direction of the wooden member. 複数の木製柱と、これらの木製柱によって支持される複数の梁とを有し、第１の梁の端面又は側面に第２の梁の端面を突き当てるように接合された建築構造であって、
前記第２の梁は、横方向に架け渡される木部材と、この木部材の上面又は下面に当接され、該木部材の軸線方向に沿って固着される鋼補強材を有し、
該第２の梁の端部に、棒状鋼材の周面に螺旋状の張り出し部を有するスクリュー部材が上下方向にねじ込まれ、
前記スクリュー部材には、周面から該スクリュー部材の軸線と直角方向に貫通孔が設けられており、
前記第２の梁の側面から前記スクリュー部材及び前記第２の梁を貫通するドリフトピンを、前記第１の梁の側面又は端面に固着された梁接合金具に係止することによって、
前記第１の梁と前記第２の梁とが連結されており、
前記鋼補強材は、該鋼補強材に設けられたボルト孔に挿通され前記第２の梁の木部材にねじ込まれたスクリュー部材の端面から該スクリュー部材の軸線方向に設けられたねじ孔に螺合されたボルトによって該木部材の軸線方向へ相互間の変位が生じないように拘束されていることを特徴とする建築構造躯体。 An architectural structure having a plurality of wooden columns and a plurality of beams supported by these wooden columns and joined so as to abut the end surface or side surface of the first beam against the end surface of the second beam ,
The second beam has a wooden member spanned in the lateral direction, and a steel reinforcing material that is in contact with the upper or lower surface of the wooden member and is fixed along the axial direction of the wooden member,
At the end of the second beam, a screw member having a spiral projecting portion on the peripheral surface of the rod-shaped steel material is screwed up and down,
The screw member is provided with a through hole in a direction perpendicular to the axis of the screw member from the circumferential surface,
By locking the drift pin penetrating the screw member and the second beam from the side surface of the second beam to a beam joint fitting fixed to the side surface or the end surface of the first beam,
The first beam and the second beam are connected;
The steel reinforcing member is inserted into a bolt hole provided in the steel reinforcing member and is screwed into an screw hole provided in an axial direction of the screw member from an end surface of the screw member screwed into the wooden member of the second beam. A building structural frame characterized in that it is constrained by a combined bolt so as not to cause mutual displacement in the axial direction of the wooden member.
JP2006353858A 2006-12-28 2006-12-28 Composite member and building structure using the same Expired - Fee Related JP4934423B2 (en)

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JP2005090736A (en) * 2003-08-14 2005-04-07 Uehara Tekko Kk Anchor member for timber
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