JP4008566B2 - Column and beam joint method for wooden buildings - Google Patents

Column and beam joint method for wooden buildings Download PDF

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Publication number
JP4008566B2
JP4008566B2 JP08167098A JP8167098A JP4008566B2 JP 4008566 B2 JP4008566 B2 JP 4008566B2 JP 08167098 A JP08167098 A JP 08167098A JP 8167098 A JP8167098 A JP 8167098A JP 4008566 B2 JP4008566 B2 JP 4008566B2
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Japan
Prior art keywords
plate
column
members
joint
fastening
Prior art date
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Expired - Fee Related
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JP08167098A
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Japanese (ja)
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JPH11280149A (en
Inventor
敏輝 齋藤
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Yamahisa and Co Ltd
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Yamahisa and Co Ltd
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Description

【0001】
【発明の属する技術分野】
この発明は、木造建築の軸組みにおける柱と梁の仕口工法に関する。
【0002】
【従来の技術】
例えば、従来の3階建の木造建築における軸組みは、コンクリート基礎上に土台を敷設し、この土台上に角軸材を用いた柱を立設し、この柱は必要な高さに継ぎ足すと共に、柱間の所定高さ位置に角軸材を用いた各階用の梁を架け渡し、柱間と梁間の対角位置に補強用の筋交いを設けることによって構築されている。
【0003】
上記柱の継ぎ足しは、上下の柱材に添え木を当てがい、この柱材と添え木をボルトで締結する継手により接続していると共に、土台と柱、柱と梁を結合する仕口構造は、ほぞとほぞ溝による結合が一般的であり、補強のために各種金物が併用されている。
【0004】
【発明が解決しようとする課題】
ところで、原木から切り出した木材は外部圧力を受けると剪断破壊するという性質があり、このような木材を用いた従来の軸組みは、どうしても強度的に限界があり、筋交い等による補強を施す必要があるため、軸組みの構造が複雑となり、コスト的にも高くつくという問題がある。
【0005】
そこでこの発明の課題は、軸組みの構成に集成材を用い、しかも仕口を鋼製化することにより、軸組み構造の簡略化と強度の向上が図れ、木造建築の3階建を低コストで実現できる柱と梁の仕口工法を提供することにある。
【0006】
【課題を解決するための手段】
上記のような課題を解決するため、この発明は、集成材を使用した二枚の板状柱材を用いて形成する柱と、同じく集成材を使用した二枚の板状梁材を用いて形成する梁と、二枚の板状柱材間に挟み込んで該柱材と締結するプレート部の両側に側板と下部に基礎への固定部を設けた鋼板製の柱脚接合金具と、二枚の板状柱材間に挟み込んで該柱材と締結するプレート部に板状梁材間に挟み込んで該梁材と締結する梁締結プレート部及び梁締結プレート部の上下に水平板を設けた鋼板製の柱梁接合金具とを用い、基礎上に固定した柱脚接合金具のプレート部に二枚の板状柱材の下部を、両側の側板間に納まる状態で締結して柱を立設し、この柱の板状柱材間にプレート部を締結した柱梁接合金具の梁締結プレート部に二枚の板状梁材を、上下の水平板間に納まる状態で締結するようにした構成を採用したものである。
【0008】
【発明の実施の形態】
以下、この発明の実施の形態を図示例と共に説明する。
図示のように、木造建築の軸組み構造は、二枚の板状柱材1、1を用いて形成する柱2と、同じく二枚の板状梁材3、3を用いて形成する梁4と、柱2間に設ける桁材5と、上記柱2の下部を基礎へ固定する鋼板製の柱脚接合金具6と、該柱2と梁4を締結する鋼板製の柱梁接合金具7とを用いて構築され、上記二枚の板状柱材1、1と二枚の板状梁材3、3は各々帯板状の集成材を用いて形成されている。
【0009】
図6は、基礎8へ柱2を固定する鋼板製の柱脚接合金具6を示し、底板9上に断面H形の脚部10が立設され、基礎8へ埋設する固定部11と、この固定部11の上端に設けた上板12の上面に起立し、板状柱材1と等しい幅を有し、二枚の板状柱材1、1間に挟み込んで該柱材1、1と締結するプレート部13と、該プレート部13の両側に設けた側板14とで構成され、固定部11の底板9には、基礎8のアンカーと締結するためのボルト孔15が穿設され、脚部10の外面にアンカーボルト16が固定されている。
【0010】
また、プレート部13に二枚の板状柱材1、1とボルトで締結するためのボルト孔17が、側板には板状柱材1、1と固定化するための釘の打ち込み孔18が各々穿設されている。
【0011】
図7(A)は、柱2と1階及び2階の梁4を結合するために用いる柱梁接合金具7を示し、二枚の板状柱材1、1間に挟み込むプレート部19の一方側縁に垂直板20を設け、該垂直板20の外面に、二枚の板状梁材3、3間に挟み込む梁締結プレート部21を設け、該梁締結プレート部21の上下に水平板22を設けて形成され、上記プレート部19に板状柱材1、1と締結するためのボルト孔23が、また、梁締結プレート部21に板状梁材3、3と締結するためのボルト孔24がそれぞれ設けられ、水平板22には板状梁材3、3と締結する釘の打ち込み孔25が穿設されている。
【0012】
図7(B)は、柱2の上端と3階の梁4を結合するために用いる柱梁接合金具7aを示し、基本的な構造は上記した柱梁接合金具7と同じであるが、垂直板20と上部水平板22を一枚の鋼板から折り曲げ形成している。
【0013】
図7(C)は、柱2の中間の継ぎ足しに用いる接続プレート26を示し、板状柱材1、1と等しい幅の鋼板を用い、板状柱材1、1と締結するためのボルト孔27を設けた構造になっている。
【0014】
図8は、柱2と桁材5の結合構造を示し、柱2と梁4を結合するために用いる柱梁接合金具7を締結するボルト28を用いて柱2に固定する柱桁接合金具29が鋼板を用いて平面コ状に形成され、桁材5の端部に柱桁接合金具29の対向板30へ嵌挿する2本のスリット31を設け、桁材5の端部と柱桁接合金具29を複数本のピン32で結合するようになっている。
【0015】
次に、軸組み構造の構築工法を説明する。
図1のように、コンクリートを用いて構築した基礎8の柱2を立設する位置に、柱脚接合金具6を固定部11の埋設によって配置し、この柱脚接合金具6上に柱2を立設する。柱2は、二枚の板状柱材1、1を対向させ、上下の板状柱材1、1を接続プレート26とボルトを用いて接続することにより、3階分の高さになっていると共に、この柱2の梁結合位置には、柱梁接合金具7が予め固定されている。
【0016】
柱2の下端の柱脚接合金具6への固定は、プレート部13を二枚の板状柱材1、1で挟み、ボルトによる重なり部分の締め付けと釘の打ち込みによって締結する。
【0017】
また、柱2に対する柱梁接合金具7、7aの固定は、二枚の板状柱材1、1間にプレート部19を挿入し、この挿入部分をボルトで締結すればよい。
【0018】
次に、図2のように、立設した柱2の対向する柱梁接合金具7、7a間でプレート部21を挟む両面側に二枚の板状梁材3、3を配置し、該板状梁材3、3の端部をプレート部21に重ね、この重なり部分をボルトと釘で締結し、二枚の板状梁材3、3の中間部は、スペーサ33を挟んでボルトで結合する。
【0019】
また、柱2に柱梁接合金具7、7aを固定するとき、この柱2の桁材結合面に柱桁接合金具29を固定しておき、柱2間に配置した桁材5の両端を柱桁接合金具29にピン32で結合する。
【0020】
これによって、図3乃至図5に示したように、3階建ての木造建築の軸組が構築でき、柱2は二枚の板状柱材1、1を対向させた構造であるため、その対向面間にプレート部13、19等の板厚に見合う隙間ができ、梁4の場合も同様の隙間ができ、これらの隙間は、断熱材や他の集成材で埋めるようにしてもよい。
【0021】
上記軸組構造は、柱2及び梁4を二枚の集成材で形成したので、外部圧力による剪断破壊の問題が解消できると共に、基礎8上への柱2の固定と、柱2と梁4の結合、柱2と桁材5の結合に鋼板製の接合金具を用いたので、それぞれの仕口部分の結合強度が向上し、軸組構造は耐震強度に優れたものとなり、筋交い等の補強を省略できるので、軸組構造の簡略化が図れ、木造建築による3階建ての実用化が可能になる。
【0022】
【発明の効果】
以上のように、この発明によると、集成材からなる二枚の板状柱材を用いて形成する柱と、同じく二枚の板状梁材を用いて形成する梁と、鋼板製の柱脚接合金具と、鋼板製の柱梁接合金具とを用い、基礎上に固定した柱脚接合金具のプレート部に二枚の板状柱材の下部を締結して柱を立設し、この柱の板状柱材間にプレート部を締結した柱梁接合金具の梁締結プレート部に二枚の板状梁材を締結するようにしたので、軸組構造の構成材における外部圧力による剪断破壊の問題が解消でき、しかも、それぞれの仕口部分の鋼製化により結合強度が向上し、これによって、軸組構造は耐震強度及び耐荷重強度に優れたものとなり、木造建築による3階建ての実用化が可能になる。
【0023】
また、軸組構造は柱と梁の結合によって、十分な強度が得られ、筋交い等の補強を省略できるので、軸組構造の簡略化が図れ、コスト的にも有利になる。
【図面の簡単な説明】
【図1】基礎上に柱を立設した状態を示す分解斜視図
【図2】基礎上に立設した柱間への梁及び桁の結合を示す分解斜視図
【図3】基礎上に軸組構造を構築した状態を示す斜視図
【図4】基礎上に軸組構造を構築した状態を示す正面図
【図5】基礎上に軸組構造を構築した状態を示す側面図
【図6】基礎上に柱を固定する柱脚接合金具の斜視図
【図7】(A)は柱と梁を結合する柱梁接合金具の斜視図、(B)は柱と梁を結合する柱梁接合金具の斜視図、(C)は柱の継ぎ足しに用いる接続プレートの斜視図
【図8】柱と桁の結合構造を示す分解斜視図
【符号の説明】
1 板状柱材
2 柱
3 板状梁材
4 梁
5 桁材
6 柱脚接合金具
7 柱梁接合金具
7a 柱梁接合金具
8 基礎
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a column and beam joint method in a framework of a wooden building.
[0002]
[Prior art]
For example, in a conventional three-story wooden structure, a foundation is laid on a concrete foundation, and a pillar using square shaft material is erected on this foundation, and this pillar is added to the required height. At the same time, it is constructed by bridging beams for each floor using a square shaft material at a predetermined height position between the columns, and providing reinforcing braces at the diagonal positions between the columns and the beams.
[0003]
In the above-mentioned column addition, a splint is applied to the upper and lower pillar members, and the pillar member and the splint are connected by a joint that is fastened with bolts. Bonding by mortise is common, and various hardware is used together for reinforcement.
[0004]
[Problems to be solved by the invention]
By the way, the wood cut out from the raw wood has the property of shearing and breaking when subjected to external pressure, and the conventional shaft assembly using such wood has a limit in strength, and it is necessary to reinforce it by bracing. Therefore, there is a problem that the structure of the shaft becomes complicated and expensive.
[0005]
Therefore, the object of the present invention is to use a laminated material for the structure of the shaft assembly and to make the joint made of steel, thereby simplifying the shaft assembly structure and improving the strength, thereby reducing the cost of a three-story wooden building at low cost. The purpose is to provide a column and beam joint construction method that can be realized in Japan.
[0006]
[Means for Solving the Problems]
In order to solve the problems as described above, the present invention uses a column formed by using two plate-like column members using laminated material and two plate-like beam members using the same laminated material. Two steel plates and column-base joints with side plates on both sides of the plate portion sandwiched between two plate-shaped column members and fastened to the column members and fixing portions to the foundation at the bottom Steel plate provided with horizontal plates above and below the beam fastening plate portion sandwiched between the plate-like beam members and fastened with the beam material and sandwiched between the plate-like beam members. The pillars are erected by fastening the lower parts of the two plate-shaped column members between the side plates on both sides to the plate part of the column base joints fixed on the foundation. the two plate-like beam members to the beam coupling plate portion of the beam-column joint fittings fastened plate part between the plate-shaped pillar of the pillar, the upper and lower water It is obtained by employing the structure which is adapted for fastening in a state fit between the plates.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in the figure, the frame structure of the wooden building has a pillar 2 formed by using two plate-like column members 1 and 1 and a beam 4 formed by using two plate-like beam members 3 and 3 in the same manner. A beam member 5 provided between the columns 2, a steel column base joint 6 that fixes the lower part of the column 2 to the foundation, and a steel column support 7 that fastens the column 2 and the beam 4. The two plate-like column members 1 and 1 and the two plate-like beam members 3 and 3 are each formed using a strip-like laminated material.
[0009]
FIG. 6 shows a steel column base joint fitting 6 for fixing the column 2 to the foundation 8, a leg portion 10 having an H-shaped cross section is erected on the bottom plate 9, and a fixing portion 11 embedded in the foundation 8, Standing on the upper surface of the upper plate 12 provided at the upper end of the fixed portion 11, having a width equal to that of the plate-shaped column 1, sandwiched between two plate-shaped columns 1, 1, The plate portion 13 to be fastened and the side plates 14 provided on both sides of the plate portion 13 are formed. The bottom plate 9 of the fixing portion 11 is provided with bolt holes 15 for fastening to the anchors of the foundation 8, Anchor bolts 16 are fixed to the outer surface of the portion 10.
[0010]
Further, a bolt hole 17 for fastening the two plate-like column members 1 and 1 with bolts to the plate portion 13 and a nail driving hole 18 for fixing the plate-like column members 1 and 1 to the side plate are provided. Each is drilled.
[0011]
FIG. 7A shows a column beam joint 7 used to connect the column 2 and the first and second floor beams 4, and one of the plate portions 19 sandwiched between the two plate-shaped column members 1 and 1. A vertical plate 20 is provided on a side edge, a beam fastening plate portion 21 sandwiched between two plate beam members 3 and 3 is provided on the outer surface of the vertical plate 20, and horizontal plates 22 are provided above and below the beam fastening plate portion 21. Bolt holes 23 for fastening the plate-like column members 1, 1 to the plate portion 19, and bolt holes for fastening the plate-like beam members 3, 3 to the beam fastening plate portion 21. 24 are provided, and the horizontal plate 22 has a nail driving hole 25 to be fastened to the plate-like beam members 3 and 3.
[0012]
FIG. 7B shows a beam-column joint 7a used for connecting the upper end of the column 2 and the beam 4 on the third floor, and the basic structure is the same as that of the beam-beam bracket 7 described above, but the vertical structure is vertical. The plate 20 and the upper horizontal plate 22 are bent from a single steel plate.
[0013]
FIG. 7C shows a connection plate 26 used for the intermediate addition of the pillar 2, using a steel plate having a width equal to that of the plate-like pillars 1, 1, and bolt holes for fastening with the plate-like pillars 1, 1. 27 is provided.
[0014]
FIG. 8 shows a coupling structure of the column 2 and the beam member 5, and a column-girder joint bracket 29 fixed to the column 2 using a bolt 28 for fastening the column-beam joint bracket 7 used for coupling the column 2 and the beam 4. Is formed in a plane U shape using a steel plate, and two slits 31 are provided at the end portion of the beam member 5 to be inserted into the opposing plate 30 of the column beam joint fitting 29, and the end portion of the beam member 5 is joined to the column beam. The metal fitting 29 is coupled by a plurality of pins 32.
[0015]
Next, the construction method of the shaft structure will be described.
As shown in FIG. 1, a column base joining bracket 6 is arranged by embedding a fixing portion 11 at a position where the column 2 of the foundation 8 constructed using concrete is erected, and the column 2 is placed on the column base joining bracket 6. Stand up. The column 2 has a height of three floors by connecting the two plate-shaped column members 1 and 1 to each other and connecting the upper and lower plate-shaped column members 1 and 1 using a connection plate 26 and bolts. At the same time, a column beam joint 7 is fixed in advance at the beam coupling position of the column 2.
[0016]
The lower end of the column 2 is fixed to the column base metal fitting 6 by sandwiching the plate portion 13 between the two plate-like column members 1 and 1 and tightening the overlapping portion with a bolt and driving in a nail.
[0017]
Further, the column beam joints 7 and 7a may be fixed to the column 2 by inserting the plate portion 19 between the two plate-like column members 1 and 1 and fastening the insertion portion with a bolt.
[0018]
Next, as shown in FIG. 2, two plate-shaped beam members 3 and 3 are arranged on both sides sandwiching the plate portion 21 between the column beam joints 7 and 7a facing each other of the upright column 2, and the plate The end portions of the beam members 3 and 3 are overlapped with the plate portion 21, and the overlapping portion is fastened with bolts and nails, and the intermediate portions of the two plate beam members 3 and 3 are coupled with bolts with the spacer 33 interposed therebetween. To do.
[0019]
Further, when fixing the beam-to-column fittings 7 and 7a to the column 2, the column girder fittings 29 are fixed to the beam connecting surface of the column 2 and both ends of the beam 5 arranged between the columns 2 are connected to the columns. It connects with the girder joint metal fitting 29 with a pin 32.
[0020]
As a result, as shown in FIG. 3 to FIG. 5, a three-story wooden building framework can be constructed, and the column 2 has a structure in which two plate-shaped column members 1 and 1 are opposed to each other. A gap corresponding to the plate thickness of the plate portions 13, 19, etc. is formed between the opposing surfaces, and a similar gap is also formed in the case of the beam 4, and these gaps may be filled with a heat insulating material or other laminated material.
[0021]
In the above-mentioned frame structure, the column 2 and the beam 4 are formed of two laminated materials, so that the problem of shear failure due to external pressure can be solved, the column 2 is fixed on the foundation 8, and the column 2 and the beam 4 are fixed. Since steel plate fittings are used for the connection between the column 2 and the beam 5, the joint strength of each joint is improved, and the frame structure is excellent in seismic strength, reinforcing bracing, etc. Since the frame structure can be simplified, a three-story structure using a wooden structure can be put into practical use.
[0022]
【The invention's effect】
As described above, according to the present invention, a column formed using two plate-shaped column members made of laminated material, a beam formed using the same two plate-shaped column members, and a column base made of steel plate Using the joint bracket and the steel beam column beam joint bracket, the bottom of the two plate-shaped column members is fastened to the plate part of the column base joint bracket fixed on the foundation, and the column is erected. Two plate-shaped beam members are fastened to the beam fastening plate portion of the beam-to-column fitting with the plate portion fastened between the plate-shaped column members. In addition, the joint strength is improved by making each joint part steel, and as a result, the frame structure has excellent seismic strength and load bearing strength. Is possible.
[0023]
In addition, since the shaft structure has a sufficient strength due to the connection between the column and the beam and reinforcement such as bracing can be omitted, the structure of the shaft structure can be simplified, which is advantageous in terms of cost.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a state in which a pillar is erected on a foundation. FIG. 2 is an exploded perspective view showing coupling of beams and girders between columns erected on the foundation. FIG. 4 is a front view showing a state in which a shaft structure is built on a foundation. FIG. 5 is a side view showing a state in which a shaft structure is built on a foundation. FIG. 7A is a perspective view of a column beam joint for connecting a column and a beam, and FIG. 7B is a column beam joint for connecting a column and a beam. FIG. 8C is a perspective view of a connection plate used for adding pillars. FIG. 8 is an exploded perspective view showing a coupling structure of pillars and girders.
DESCRIPTION OF SYMBOLS 1 Plate-shaped column material 2 Column 3 Plate-shaped beam material 4 Beam 5 Girder material 6 Column leg joint metal fitting 7 Column beam joint metal fitting 7a Column beam joint metal fitting 8 Foundation

Claims (1)

集成材を使用した二枚の板状柱材(1)を用いて形成する柱(2)と、同じく集成材を使用した二枚の板状梁材(3)を用いて形成する梁(4)と、二枚の板状柱材(1)間に挟み込んで該柱材(1)と締結するプレート部(13)の両側に側板(14)と下部に基礎(8)への固定部(11)を設けた鋼板製の柱脚接合金具(6)と、二枚の板状柱材(1)間に挟み込んで該柱材(1)と締結するプレート部(19)に板状梁材(3)間に挟み込んで該梁材(3)と締結する梁締結プレート部(21)及び梁締結プレート部(21)の上下に水平板(22)を設けた鋼板製の柱梁接合金具(7)とを用い、基礎(8)上に固定した柱脚接合金具(6)のプレート部(13)に二枚の板状柱材(1)の下部を、両側の側板(14)間に納まる状態で締結して柱(2)を立設し、この柱(2)の板状柱材(1)間にプレート部(19)を締結した柱梁接合金具(7)の梁締結プレート部(21)に二枚の板状梁材(3)を、上下の水平板(22)間に納まる状態で締結するようにした木造建築の柱と梁の仕口工法。The pillar (2) which forms with the two plate-shaped pillar using laminated wood (1), also be formed using the two plate-like beam members using laminated wood (3) beam (4 ) And the plate (13) sandwiched between the two plate-like pillars (1) and fastened to the pillar (1) on both sides of the side plate (14) and the lower part of the base (8) fixing part ( a steel plate column base metal joint provided with a 11) (6), two plate-shaped pillar (1) plate-like beam members to the plate portion (19) for fastening sandwiched by the columnar member (1) between (3) Steel beam column beam joint fittings ( 21) provided with horizontal plates (22) above and below the beam fastening plate portion (21) and the beam fastening plate portion (21) sandwiched between and fastened to the beam material (3). 7) , the lower part of the two plate-like column members (1) is placed between the side plate (14) on both sides on the plate part (13) of the column base fitting (6) fixed on the foundation (8). Settle Concluded in state upright pillars (2), the beam coupling plate portion of the column (2) of the plate-shaped pillar (1) Column joint device that the fastening plate part (19) between (7) ( 21) A wooden column and beam joint construction method in which two plate-shaped beam members (3) are fastened in a state of being fitted between upper and lower horizontal plates (22) .
JP08167098A 1998-03-27 1998-03-27 Column and beam joint method for wooden buildings Expired - Fee Related JP4008566B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP08167098A JP4008566B2 (en) 1998-03-27 1998-03-27 Column and beam joint method for wooden buildings

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Application Number Priority Date Filing Date Title
JP08167098A JP4008566B2 (en) 1998-03-27 1998-03-27 Column and beam joint method for wooden buildings

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JPH11280149A JPH11280149A (en) 1999-10-12
JP4008566B2 true JP4008566B2 (en) 2007-11-14

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028453A1 (en) * 2004-06-11 2006-01-05 Bierbach Gmbh & Co. Kg, Befestigungstechnik Connecting system for wooden components consists of two corrugated plates attached to components, strips attached to crests of each of the plates fitting into troughs on other plate

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