JP7103158B2 - Planar structure of the beam - Google Patents

Planar structure of the beam Download PDF

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JP7103158B2
JP7103158B2 JP2018201874A JP2018201874A JP7103158B2 JP 7103158 B2 JP7103158 B2 JP 7103158B2 JP 2018201874 A JP2018201874 A JP 2018201874A JP 2018201874 A JP2018201874 A JP 2018201874A JP 7103158 B2 JP7103158 B2 JP 7103158B2
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知季 小橋
唯一 宍戸
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Nippon Steel Corp
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Description

本発明は、形鋼を上下方向に積み重ねてなる組立梁を備えた梁の平面構造に関する。 The present invention relates to a planar structure of a beam including an assembled beam formed by stacking shaped steels in the vertical direction.

住宅の建物を支持する基礎の一例として、H形鋼で形成された連続フーチング基礎が知られている(例えば特許文献1参照)。この連続フーチング基礎を使用した基礎構造は、地盤を地盤面から所定の深さだけ掘削し、掘削底面に敷き詰めた砕石や捨てコンクリートによって形成される基礎底面にH形鋼で形成された基礎梁の下フランジを設置することによって構成されている。
H形鋼等の梁部材を用いて床面や基礎面等の梁の平面構造を構成する場合、梁部材どうしを平面視において直交させ、この直交部において梁部材どうしを接合することがある。この場合(例えば、大梁と小梁を直交部において接合する場合)、一方の梁部材は1本の連続的な通し梁として構成され、これに直交する他方の梁部材は前記通し梁を挟んで2つに分割される分割梁として構成されるのが一般的である。
また、特許文献2には、コンクリートに形鋼によって形成された埋込み基礎鉄骨を埋設し、当該基礎鉄骨上に、形鋼によって形成された腰部用鉄骨を平面視において直交させて設け、この腰部用鉄骨上に壁枠パネルを設置した構造が記載されている。
As an example of a foundation that supports a residential building, a continuous footing foundation made of H-section steel is known (see, for example, Patent Document 1). The foundation structure using this continuous footing foundation is a foundation beam made of H-shaped steel on the bottom surface of the foundation formed by excavating the ground to a predetermined depth from the ground surface and laying it on the bottom surface of the excavation. It is configured by installing a lower flange.
When a beam member such as H-shaped steel is used to form a planar structure of a beam such as a floor surface or a foundation surface, the beam members may be orthogonal to each other in a plan view, and the beam members may be joined at the orthogonal portion. In this case (for example, when a girder and a girder are joined at an orthogonal portion), one beam member is configured as one continuous through beam, and the other beam member orthogonal to this is sandwiched between the through beams. It is generally configured as a split beam that is split in two.
Further, in Patent Document 2, an embedded foundation steel frame formed of shaped steel is embedded in concrete, and a waist steel frame formed of shaped steel is provided on the foundation steel frame at right angles in a plan view. The structure in which the wall frame panel is installed on the steel frame is described.

特開平09-88086号公報Japanese Unexamined Patent Publication No. 09-88086 特許第3762689号公報Japanese Patent No. 3762689

ところで、上述したような連続的な通し梁と、これに直交する分割梁との接合には、金物等を介して両者のウェブを接合するのが一般的である。このため分割梁の接合部(通し梁に対する接合部)における梁端部では、せん断力を負担することはできるが、曲げモーメントの負担は期待できない。
したがって、このような通し梁と分割梁とによる梁の平面構造に対して上部の柱や耐力壁から引き抜き力/圧縮力が作用した場合、荷重はすべて連続的な通し梁へと伝達され、分割梁に荷重負担を期待することができない。このため前記荷重を十分に負担することが困難となる、つまり梁の平面構造としての剛性、耐力が不足する虞がある。
また、分割梁に積載荷重等の鉛直荷重が作用する場合、分割梁は単純支持梁のように挙動し、たわみが大きくなるという問題もある。
By the way, in order to join the continuous through beam as described above and the split beam orthogonal to the continuous beam, it is common to join the webs of both via a metal fitting or the like. Therefore, a shearing force can be borne at the beam end portion at the joint portion (joint portion with respect to the through beam) of the split beam, but a bending moment cannot be expected to be borne.
Therefore, when a pulling force / compressive force acts from the upper column or bearing wall on the plan structure of the beam by such a through beam and a split beam, all the load is transmitted to the continuous through beam and splits. No load load can be expected on the beam. Therefore, it becomes difficult to sufficiently bear the load, that is, there is a possibility that the rigidity and proof stress of the beam as a planar structure are insufficient.
Further, when a vertical load such as a load is applied to the split beam, the split beam behaves like a simple support beam, and there is a problem that the deflection becomes large.

本発明は、上記事情に鑑みてなされたもので、上部の柱や耐力壁からの荷重を十分に負担できるとともに、分割梁の撓みを抑制できる梁の平面構造を提供することを目的としている。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a planar structure of a beam that can sufficiently bear a load from an upper column or a bearing wall and can suppress bending of a split beam.

前記目的を達成するために、本発明の梁の平面構造は、形鋼によって形成された梁部材を上下に積み重ねてなる組立梁を備えた梁の平面構造であって、
前記組立梁が平面視において互いに直交して設けられ、
前記組立梁が直交する直交部において、
一方の前記組立梁の上側の前記梁部材は連続した上側通し梁となっており、他方の前記組立梁の上側の前記梁部材は前記上側通し梁を挟んで分割された上側分割梁となっており、
他方の前記組立梁の下側の前記梁部材は連続した下側通し梁となっており、一方の前記組立梁の下側の前記梁部材は前記下側通し梁を挟んで分割された下側分割梁となっていることを特徴とする。
In order to achieve the above object, the plan structure of the beam of the present invention is a plan structure of a beam including an assembled beam formed by stacking beam members formed of shaped steel on the top and bottom.
The assembled beams are provided orthogonal to each other in a plan view.
At the orthogonal portion where the assembled beams are orthogonal to each other,
The beam member on the upper side of one of the assembled beams is a continuous upper through beam, and the beam member on the upper side of the other assembled beam is an upper split beam divided across the upper through beam. Beam,
The beam member on the lower side of the other assembled beam is a continuous lower through beam, and the beam member on the lower side of the one assembled beam is a lower side divided across the lower through beam. It is characterized by being a split beam.

前記形鋼は、例えば、H形鋼、溝形鋼の他に、断面ロ字形の角形鋼管も含む。
また、組手梁の上側および/または下側に、形鋼等で形成された補強梁を前記梁部材に沿って設けてもよい。
The shaped steel includes, for example, H-shaped steel and channel steel, as well as square steel pipes having a square cross section.
Further, a reinforcing beam made of shaped steel or the like may be provided along the beam member on the upper side and / or the lower side of the kumite beam.

本発明においては、組立梁が直交する直交部において、一方の組立梁の上側通し梁と他方の組立梁の下側通し梁とが平面視において直交し、かつ、他方の組立梁の上側分割梁と一方の組立梁の下側分割梁とが平面視において直交するので、上部の柱や耐力壁から作用する荷重は、上側通し梁に直接伝達されるとともに下側通し梁に上側分割梁を介して伝達される。このため、上部の柱や耐力壁からの荷重を十分に負担できるとともに、分割梁の撓みを抑制できる。
また、上側分割梁および下側分割梁は、それぞれ梁部材をその長手方向に分割してなるものであるから、梁長が短くなる。このため、施工現場での上側分割梁および下側分割梁の取り回しが容易になり、施工負荷を軽減することができる。
In the present invention, in the orthogonal portion where the assembled beams are orthogonal to each other, the upper through beam of one assembled beam and the lower through beam of the other assembled beam are orthogonal to each other in a plan view, and the upper split beam of the other assembled beam. Since the lower split beam of one of the assembled beams is orthogonal to each other in the plan view, the load acting from the upper column and the bearing wall is directly transmitted to the upper through beam and is transmitted to the lower through beam via the upper split beam. Is transmitted. Therefore, the load from the upper column and the bearing wall can be sufficiently borne, and the bending of the split beam can be suppressed.
Further, since the upper split beam and the lower split beam are formed by dividing the beam member in the longitudinal direction thereof, the beam length is shortened. Therefore, the upper split beam and the lower split beam can be easily handled at the construction site, and the construction load can be reduced.

また、本発明の梁の平面構造は、形鋼によって形成された梁部材を上下に積み重ねてなる組立梁を備えた梁の平面構造であって、
前記組立梁が平面視において直角に接合され、
前記組立梁が接合される接合部において、
一方の前記組立梁の上側の梁部材は、他方の前記組立梁の上側の梁部材に勝ち状態で接合された上側通し梁となっており、
他方の前記組立梁の下側の梁部材は、一方の前記組立梁の下側の梁部材に勝ち状態で接合された下側通し梁となっていることを特徴とする。
Further, the planar structure of the beam of the present invention is a planar structure of a beam including an assembled beam formed by vertically stacking beam members formed of shaped steel.
The assembled beams are joined at right angles in plan view
At the joint where the assembled beams are joined,
The upper beam member of one of the assembled beams is an upper through beam joined to the upper beam member of the other assembled beam in a winning state.
The lower beam member of the other assembled beam is a lower through beam joined to the lower beam member of the one assembled beam in a winning state.

なお、上側通し梁および下側通し梁は、上側の梁部材および下側の梁部材を貫通または通過していないが、本発明では、上側の梁部材に勝ち状態で直角に接合された梁を上側通し梁、下側の梁部材に勝ち状態で直角に接合された梁を下側通し梁と言う。 The upper through beam and the lower through beam do not penetrate or pass through the upper beam member and the lower beam member, but in the present invention, a beam joined at a right angle to the upper beam member in a winning state is provided. A beam that is joined at a right angle to the upper through beam and the lower beam member in a winning state is called a lower through beam.

本発明においては、組立梁が接合される接合部において、一方の組立梁の上側通し梁と他方の組立梁の下側通し梁とが平面視において直交し、かつ、他方の組立梁の上側の梁部材と一方の組立梁の下側の梁部材とが平面視において直角に配置されるので、上部の柱や耐力壁から作用する荷重は、一方の組立梁の上側通し梁に直接伝達されるとともに他方の組立梁の下側通し梁に上側の梁部材を介して伝達される。このため、上部の柱や耐力壁からの荷重を十分に負担できるとともに、梁部材の撓みを抑制できる。 In the present invention, at the joint where the assembled beams are joined, the upper through beam of one assembled beam and the lower through beam of the other assembled beam are orthogonal to each other in a plan view, and the upper through beam of the other assembled beam is on the upper side. Since the beam member and the lower beam member of one assembled beam are arranged at right angles in a plan view, the load acting from the upper column or the bearing wall is directly transmitted to the upper through beam of one assembled beam. At the same time, it is transmitted to the lower through beam of the other assembled beam via the upper beam member. Therefore, the load from the upper column and the bearing wall can be sufficiently borne, and the bending of the beam member can be suppressed.

また、本発明の前記構成において、前記組立梁が、建物の基礎梁の少なくとも一部を構成していてもよいし、建物の床梁の少なくとも一部を構成してもよい。
このような構成によれば、本発明の梁の平面構造を建物の基礎梁や床梁の平面構造に適用できる。
Further, in the above-mentioned configuration of the present invention, the assembly beam may form at least a part of the foundation beam of the building, or may form at least a part of the floor beam of the building.
According to such a configuration, the planar structure of the beam of the present invention can be applied to the planar structure of the foundation beam and the floor beam of the building.

本発明によれば、上部の柱や耐力壁からの荷重を十分に負担できるとともに、分割梁の撓みを抑制できる。 According to the present invention, the load from the upper column and the bearing wall can be sufficiently borne, and the bending of the split beam can be suppressed.

本発明の実施の形態に係る平面構造を示すもので、(a)は組立梁の上側の梁部材の配置形態を示す平面図、(b)は組立梁の下側の梁部材の配置形態を示す平面図である。A plan structure according to an embodiment of the present invention is shown, (a) is a plan view showing an arrangement form of a beam member on the upper side of the assembled beam, and (b) is an arrangement form of a beam member on the lower side of the assembled beam. It is a plan view which shows. 同、図1におけるA円部を示す斜視図である。It is a perspective view which shows the A circle part in FIG. 同、上側通し梁と下側通し梁との接合状態の第1例を示す斜視図である。It is a perspective view which shows the 1st example of the joint state of the upper through beam and the lower through beam. 同、上側通し梁と下側通し梁との接合状態の第2例を示す斜視図である。It is a perspective view which shows the 2nd example of the joint state of the upper through beam and the lower through beam. 同、上側通し梁と上側分割梁との接合状態の第1例を示す斜視図である。It is a perspective view which shows the 1st example of the joint state of the upper through beam and the upper split beam. 同、上側通し梁と上側分割梁との接合状態の第2例を示す斜視図である。It is a perspective view which shows the 2nd example of the joint state of the upper through beam and the upper split beam. 同、上側通し梁と上側分割梁との接合状態の第3例を示す斜視図である。It is a perspective view which shows the 3rd example of the joint state of the upper through beam and the upper split beam. 同、上側分割梁と下側通し梁の接合状態の第1例を示す斜視図である。It is a perspective view which shows the 1st example of the joint state of the upper split beam and the lower through beam. 同、上側分割梁と下側通し梁の接合状態の第2例を示す斜視図である。It is a perspective view which shows the 2nd example of the joint state of the upper split beam and the lower through beam. 同、組立梁を建物の床梁に適用した例を示すもので、ツーバイフォー工法によって施工された建物の床梁およびその近傍を示す断面図である。The same shows an example in which the assembled beam is applied to the floor beam of the building, and is a cross-sectional view showing the floor beam of the building constructed by the two-by-four method and its vicinity. 同、組立梁を建物の床梁に適用した例を示すもので、在来の軸組工法によって施工された建物の床梁およびその近傍を示す断面図である。The same shows an example in which the assembled beam is applied to the floor beam of the building, and is a cross-sectional view showing the floor beam of the building constructed by the conventional frame construction method and its vicinity. 同、図1におけるB円部を示す斜視図である。It is a perspective view which shows the B circle part in FIG. 同、図1におけるC円部を示す斜視図である。It is a perspective view which shows the C circle part in FIG. 同、図1におけるD円部を示す斜視図である。It is a perspective view which shows the D circle part in FIG. 本発明における組立梁の第1変形例を示すもので、(a)は上下のフランジ幅が異なるH形鋼を上下に積み重ねた状態を示す断面図、(b)は上下のフランジ幅が異なるH形鋼を上側に、上下のフランジ幅が等しいH形鋼を下側にして積み重ねた状態を示す断面図、(c)は上下のフランジ幅が異なるH形鋼を下側に、上下のフランジ幅が同一のH形鋼を上側にして積み重ねた状態を示す断面図である。A first modification of the assembled beam in the present invention is shown. FIG. A cross-sectional view showing a state in which the shaped steels are stacked with the shaped steels on the upper side and the H-shaped steels having the same upper and lower flange widths on the lower side. Is a cross-sectional view showing a state in which the same H-beams are stacked with the same H-beams facing up. 本発明における組立梁の第2変形例を示すもので、(a)は角形鋼管を下側に、上下のフランジ幅が等しいH形鋼を上側にして積み重ねた状態を示す断面図、(b)は角形鋼管を下側に、上フランジが下フランジより幅広のH形鋼管を上側にして積み重ねた状態を示す断面図、(c)は角形鋼管を下側に、上フランジが下フランジより幅狭のH形鋼管を上側にして積み重ねた状態を示す断面図である。A second modification of the assembled beam in the present invention is shown, in which (a) is a cross-sectional view showing a state in which square steel pipes are placed on the lower side and H-shaped steels having the same upper and lower flange widths are placed on the upper side, (b). Is a cross-sectional view showing a state in which square steel pipes are stacked with the square steel pipes on the lower side and the H-shaped steel pipes whose upper flange is wider than the lower flange on the upper side. It is sectional drawing which shows the state of stacking with the H-shaped steel pipe of No. 1 on the upper side. 本発明における組立梁の第3変形例を示すもので、(a)は溝形鋼を下側に、上下のフランジ幅が等しいH形鋼を上側にして積み重ねた状態を示す断面図、(b)は溝形鋼を下側に、上フランジが下フランジより幅広のH形鋼管を上側にして積み重ねた状態を示す断面図、(c)は溝形鋼を下側に、上フランジが下フランジより幅狭のH形鋼管を上側にして積み重ねた状態を示す断面図である。A third modification of the assembled beam in the present invention is shown, in which (a) is a cross-sectional view showing a state in which channel steels are stacked on the lower side and H-section steels having the same upper and lower flange widths are on the upper side, (b). ) Is a cross-sectional view showing a state in which the channel steel is on the lower side and the H-shaped steel pipe whose upper flange is wider than the lower flange is on the upper side. It is sectional drawing which shows the state in which the narrower H-shaped steel pipes are stacked with the narrower H-shaped steel pipes facing up. 本発明における組立梁の第4変形例を示すもので、(a)は接合溝形鋼を下側に、上下のフランジ幅が等しいH形鋼を上側にして積み重ねた状態を示す断面図、(b)は接合溝形鋼を下側に、上フランジが下フランジより幅広のH形鋼管を上側にして積み重ねた状態を示す断面図、(c)は接合溝形鋼を下側に、上フランジが下フランジより幅狭のH形鋼管を上側にして積み重ねた状態を示す断面図である。A fourth modified example of the assembled beam in the present invention is shown, and FIG. b) is a cross-sectional view showing a state in which the joint channel steel is on the lower side and the H-shaped steel pipe whose upper flange is wider than the lower flange is on the upper side, and (c) is the joint channel steel on the lower side and the upper flange. Is a cross-sectional view showing a state in which H-shaped steel pipes narrower than the lower flange are stacked with the H-shaped steel pipes facing upward.

以下、図面を参照して本発明に係る梁の平面構造の実施の形態について説明する。なお、本発明に係る梁の平面構造は、組立梁の配置構造とも言える。
図1は本実施の形態の梁の平面構造を示す基礎梁の平面図であり、(a)は組立梁の上側の梁部材の配置形態を示し、(b)は組立梁の下側の梁部材の配置形態を示す。なお、このような基礎梁はH形鋼によって形成されており、当該基礎梁は、例えば図示しないコンクリート基礎によって支持される。
図1に示すように、このような梁の平面構造(組立梁の配置構造)において、A円部では組立梁が平面視において互いに直交しており、B円部では組立梁が平面視においてコ字形に直角に接合されており、C円部およびD縁部では組立梁が平面視においてT字形に直角に接合されている。
Hereinafter, embodiments of the planar structure of the beam according to the present invention will be described with reference to the drawings. The planar structure of the beam according to the present invention can also be said to be an arrangement structure of the assembled beam.
FIG. 1 is a plan view of a foundation beam showing a plan structure of the beam of the present embodiment, (a) shows an arrangement form of a beam member on the upper side of the assembled beam, and (b) is a beam on the lower side of the assembled beam. The arrangement form of the member is shown. Such a foundation beam is formed of H-shaped steel, and the foundation beam is supported by, for example, a concrete foundation (not shown).
As shown in FIG. 1, in such a planar structure of the beam (arrangement structure of the assembled beam), the assembled beams are orthogonal to each other in the plan view in the A circle portion, and the assembled beams are formed in the plan view in the B circle portion. It is joined at right angles to the shape, and the assembled beams are joined at right angles to the T shape in the plan view at the C circle portion and the D edge portion.

まず、A円部の構造について説明する。
図1および図2に示すように、組立梁10,20が平面視において互いに直交して設けられている。一方の組立梁10は、H形鋼によって形成された上側の梁部材11および下側の梁部材12,12を上下に積み重ねることによって形成されている。
他方の組立梁20は一方の組立梁10に平面視において直交して設けられるとともに、H形鋼によって形成された上側の梁部材21,21および下側の梁部材22を上下に積み重ねることによって形成されている。
First, the structure of the A circle portion will be described.
As shown in FIGS. 1 and 2, the assembly beams 10 and 20 are provided orthogonal to each other in a plan view. One assembly beam 10 is formed by vertically stacking the upper beam member 11 and the lower beam members 12, 12 formed of H-shaped steel.
The other assembly beam 20 is provided orthogonally to one assembly beam 10 in a plan view, and is formed by vertically stacking the upper beam members 21 and 21 and the lower beam member 22 formed of H-shaped steel. Has been done.

また、一方の組立梁10の上側の梁部材11と下側の梁部材12とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、他方の組立梁20の上側の梁部材21と下側の梁部材22とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
さらに、一方の組立梁10の上側の梁部材11と他方の組立梁20の上側の梁部材21とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、一方の組立梁10の下側の梁部材12と他方の組立梁20の下側の梁部材22とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
Further, the upper beam member 11 and the lower beam member 12 of one of the assembled beams 10 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 21 and the lower beam member 22 of the other assembled beam 20 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 11 of one assembled beam 10 and the upper beam member 21 of the other assembled beam 20 have the same beam formation and beam width (flange width), but may be different.
Further, the lower beam member 12 of one assembled beam 10 and the lower beam member 22 of the other assembled beam 20 have the same beam formation and beam width (flange width), but may be different. ..

組立梁10,20が直交する直交部J1において、一方の組立梁10の上側の梁部材11は連続した上側通し梁11となっており、他方の組立梁20の上側の梁部材21,21は上側通し梁11を挟んで分割された上側分割梁21,21となっている。また、他方の組立梁20の下側の梁部材22は連続した下側通し梁22となっており、一方の組立梁10の下側の梁部材12,12は下側通し梁22を挟んで分割された下側分割梁12,12となっている。
そして、上側通し梁11と下側通し梁22とは平面視において互いに直交し、上側分割梁21,21と下側分割梁12,12とは平面視において互いに直交している。
In the orthogonal portion J1 where the assembled beams 10 and 20 are orthogonal to each other, the upper beam member 11 of one assembled beam 10 is a continuous upper through beam 11, and the upper beam members 21 and 21 of the other assembled beam 20 are. The upper divided beams 21 and 21 are divided so as to sandwich the upper through beam 11. Further, the lower beam member 22 of the other assembled beam 20 is a continuous lower through beam 22, and the lower beam members 12 and 12 of one assembled beam 10 sandwich the lower through beam 22. The lower split beams 12 and 12 are split.
The upper through beam 11 and the lower through beam 22 are orthogonal to each other in a plan view, and the upper split beams 21 and 21 and the lower split beams 12 and 12 are orthogonal to each other in a plan view.

また、上側通し梁11の上フランジ11aには、上側分割梁21の上フランジ21aの端面が接合され、上側通し梁11の下フランジ11bには、上側分割梁21の下フランジ21bが接合されている。また、上側通し梁11のウェブ11cには、上側分割梁21のウェブ21cの端面は接合されておらす、当該端面とウェブ11cとの間には隙間がある。なお、上側分割梁21のウェブ21cを梁軸方向に延出して、当該延出部の端面をウェブ11cに接合させてもよい。 Further, the end surface of the upper flange 21a of the upper split beam 21 is joined to the upper flange 11a of the upper through beam 11, and the lower flange 21b of the upper split beam 21 is joined to the lower flange 11b of the upper through beam 11. There is. Further, the web 11c of the upper through beam 11 is joined to the end face of the web 21c of the upper split beam 21, and there is a gap between the end face and the web 11c. The web 21c of the upper split beam 21 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 11c.

また、下側通し梁22の上フランジ22aには、下側分割梁12の上フランジ12aの端面が接合され、下側通し梁22の下フランジ22bには、下側分割梁12の下フランジ12bが接合されている。また、下側通し梁22のウェブ22cには、下側分割梁12のウェブ12cの端面は接合されておらす、当該端面とウェブ22cとの間には隙間がある。なお、下側分割梁12のウェブ12cを梁軸方向に延出して、当該延出部の端面をウェブ22cに接合させてもよい。 Further, the end surface of the upper flange 12a of the lower split beam 12 is joined to the upper flange 22a of the lower through beam 22, and the lower flange 12b of the lower split beam 12 is joined to the lower flange 22b of the lower through beam 22. Are joined. Further, the web 22c of the lower through beam 22 is joined to the end face of the web 12c of the lower split beam 12, and there is a gap between the end face and the web 22c. The web 12c of the lower split beam 12 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 22c.

次に、前記B円部の構造について説明する。
図1および図3に示すように、組立梁30,40が平面視においてコ字形に直角に接合されている。一方の組立梁30は、H形鋼によって形成された上側の梁部材31および下側の梁部材32を上下に積み重ねることによって形成されている。
他方の組立梁40は一方の組立梁10に平面視において直角に設けられるとともに、H形鋼によって形成された上側の梁部材41および下側の梁部材42を上下に積み重ねることによって形成されている。
Next, the structure of the B circle portion will be described.
As shown in FIGS. 1 and 3, the assembly beams 30 and 40 are joined at right angles to a U shape in a plan view. One assembly beam 30 is formed by vertically stacking an upper beam member 31 and a lower beam member 32 formed of H-shaped steel.
The other assembly beam 40 is provided on one assembly beam 10 at a right angle in a plan view, and is formed by vertically stacking an upper beam member 41 and a lower beam member 42 formed of H-shaped steel. ..

また、一方の組立梁30の上側の梁部材31と下側の梁部材32とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、他方の組立梁40の上側の梁部材41と下側の梁部材42とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
さらに、一方の組立梁30の上側の梁部材31と他方の組立梁40の上側の梁部材41とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、一方の組立梁30の下側の梁部材32と他方の組立梁40の下側の梁部材42とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
Further, the upper beam member 31 and the lower beam member 32 of one of the assembled beams 30 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 41 and the lower beam member 42 of the other assembled beam 40 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 31 of one assembled beam 30 and the upper beam member 41 of the other assembled beam 40 have the same beam formation and beam width (flange width), but may be different.
Further, the lower beam member 32 of one assembled beam 30 and the lower beam member 42 of the other assembled beam 40 have the same beam formation and beam width (flange width), but may be different. ..

組立梁30,40が接合される接合部J2において、一方の組立梁30の上側の梁部材31は、他方の組立梁40の上側の梁部材41に勝ち状態で接合された上側通し梁31となっており、他方の組立梁40の下側の梁部材42は、一方の組立梁30の下側の梁部材32に勝ち状態で接合された下側通し梁42となっている。 In the joint portion J2 to which the assembled beams 30 and 40 are joined, the upper beam member 31 of one assembled beam 30 and the upper through beam 31 joined to the upper beam member 41 of the other assembled beam 40 in a winning state. The lower beam member 42 of the other assembled beam 40 is a lower through beam 42 joined to the lower beam member 32 of the one assembled beam 30 in a winning state.

すなわち、一方の組立梁30の上側通し梁31は、接合部J2において、下側の梁部材32よりも平面視において梁長手方向に突出しており、この突出している部分において他方の組立梁40の上側の梁部材41の端部が上側通し梁31に当接されて接合されている。具体的には、上側通し梁31の上フランジ31aに、上側の梁部材41の上フランジ41aの端面が接合され、上側通し梁31の下フランジ31bに上側の梁部材41の下フランジ41bの端面が接合されている。また、上側通し梁31のウェブ31cには、上側の梁部材41のウェブ41cの端面は接合されておらす、当該端面とウェブ31cとの間には隙間がある。なお、上側の梁部材41のウェブ41cを梁軸方向に延出して、当該延出部の端面をウェブ31cに接合させてもよい。 That is, the upper through beam 31 of one assembly beam 30 protrudes in the beam longitudinal direction in the plan view from the lower beam member 32 at the joint portion J2, and the protruding portion of the other assembly beam 40 The end of the upper beam member 41 is abutted against and joined to the upper through beam 31. Specifically, the end surface of the upper flange 41a of the upper beam member 41 is joined to the upper flange 31a of the upper through beam 31, and the end surface of the lower flange 41b of the upper beam member 41 is joined to the lower flange 31b of the upper through beam 31. Are joined. Further, the web 31c of the upper through beam 31 is joined to the end face of the web 41c of the upper beam member 41, and there is a gap between the end face and the web 31c. The web 41c of the upper beam member 41 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 31c.

また、他方の組立梁40の下側通し梁42は、接合部J2において、上側の梁部材41よりも平面視において梁長手方向に突出しており、この突出している部分において一方の組立梁30の下側の梁部材32の端部が下側通し梁42に当接されて接合されている。具体的には、下側通し梁42の上フランジ42aに、下側の梁部材32の上フランジ32aの端面が接合され、下側通し梁42の下フランジ42bに下側の梁部材32の下フランジ32bの端面が接合されている。また、下側通し梁42のウェブ42cには、下側の梁部材32のウェブ32cの端面は接合されておらす、当該端面とウェブ42cとの間には隙間がある。なお、下側の梁部材32のウェブ32cを梁軸方向に延出して、当該延出部の端面をウェブ42cに接合させてもよい。
そして、一方の組立梁30の上側通し梁31と他方の組立梁40の下側通し梁42とが平面視において直交し、かつ、他方の組立梁40の上側の梁部材41と一方の組立梁30の下側の梁部材32とが平面視において直角に配置されている。
Further, the lower through beam 42 of the other assembly beam 40 protrudes in the beam longitudinal direction in the plan view from the upper beam member 41 at the joint portion J2, and the protruding portion of the one assembly beam 30 The end of the lower beam member 32 is abutted against and joined to the lower through beam 42. Specifically, the end surface of the upper flange 32a of the lower beam member 32 is joined to the upper flange 42a of the lower through beam 42, and the lower flange 42b of the lower through beam 42 is below the lower beam member 32. The end faces of the flange 32b are joined. Further, the web 42c of the lower through beam 42 is joined to the end face of the web 32c of the lower beam member 32, and there is a gap between the end face and the web 42c. The web 32c of the lower beam member 32 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 42c.
Then, the upper through beam 31 of one assembly beam 30 and the lower through beam 42 of the other assembly beam 40 are orthogonal to each other in a plan view, and the upper beam member 41 of the other assembly beam 40 and one assembly beam. The lower beam member 32 of 30 is arranged at right angles in a plan view.

次に、前記C円部の構造について説明する。
図1および図4に示すように、組立梁50,60が平面視においてT字形に直角に接合されている。一方の組立梁50は、H形鋼によって形成された上側の梁部材51および下側の梁部材52を上下に積み重ねることによって形成されている。
他方の組立梁60は一方の組立梁50に平面視において直角に設けられるとともに、H形鋼によって形成された上側の梁部材61および下側の梁部材62を上下に積み重ねることによって形成されている。
Next, the structure of the C-circle portion will be described.
As shown in FIGS. 1 and 4, the assembly beams 50 and 60 are joined at right angles to a T shape in a plan view. One assembly beam 50 is formed by vertically stacking an upper beam member 51 and a lower beam member 52 formed of H-shaped steel.
The other assembly beam 60 is provided on one assembly beam 50 at a right angle in a plan view, and is formed by vertically stacking an upper beam member 61 and a lower beam member 62 formed of H-shaped steel. ..

また、一方の組立梁50の上側の梁部材51と下側の梁部材52とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、他方の組立梁60の上側の梁部材61と下側の梁部材62とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
さらに、一方の組立梁50の上側の梁部材51と他方の組立梁60の上側の梁部材61とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、一方の組立梁50の下側の梁部材52と他方の組立梁60の下側の梁部材62とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
Further, the upper beam member 51 and the lower beam member 52 of one of the assembled beams 50 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 61 and the lower beam member 62 of the other assembled beam 60 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 51 of one assembled beam 50 and the upper beam member 61 of the other assembled beam 60 have the same beam formation and beam width (flange width), but may be different.
Further, the lower beam member 52 of one assembled beam 50 and the lower beam member 62 of the other assembled beam 60 have the same beam formation and beam width (flange width), but may be different. ..

組立梁50,60,60が接合される接合部J3において、一方の組立梁50の上側の梁部材51は、他方の組立梁60,60の上側の梁部材61,61に勝ち状態で接合された上側通し梁51となっており、他方の組立梁60の下側の梁部材62は、一方の組立梁50の下側の梁部材52に勝ち状態で接合された下側通し梁62となっている。 In the joint portion J3 to which the assembled beams 50, 60, 60 are joined, the upper beam member 51 of one assembled beam 50 is joined to the upper beam members 61, 61 of the other assembled beams 60, 60 in a winning state. The upper through beam 51 is formed, and the lower beam member 62 of the other assembled beam 60 is a lower through beam 62 joined to the lower beam member 52 of the one assembled beam 50 in a winning state. ing.

すなわち、一方の組立梁50の上側通し梁51は、接合部J3において、下側の梁部材52よりも平面視において梁長手方向に突出しており、この突出している部分において他方の組立梁60の上側の梁部材61の端部が上側通し梁51に当接されて接合されている。具体的には、上側通し梁51の上フランジ51aに、上側の梁部材61の上フランジ61aの端面が接合され、上側通し梁51の下フランジ51bに上側の梁部材61の下フランジ61bの端面が接合されている。また、上側通し梁51のウェブ51cには、上側の梁部材61のウェブ61cの端面は接合されておらす、当該端面とウェブ51cとの間には隙間がある。なお、上側の梁部材61のウェブ61cを梁軸方向に延出して、当該延出部の端面をウェブ51cに接合させてもよい。 That is, the upper through beam 51 of one assembly beam 50 protrudes in the beam longitudinal direction in the plan view from the lower beam member 52 at the joint portion J3, and the protruding portion of the other assembly beam 60 The end of the upper beam member 61 is abutted against and joined to the upper through beam 51. Specifically, the end surface of the upper flange 61a of the upper beam member 61 is joined to the upper flange 51a of the upper through beam 51, and the end surface of the lower flange 61b of the upper beam member 61 is joined to the lower flange 51b of the upper through beam 51. Are joined. Further, the web 51c of the upper through beam 51 is joined to the end face of the web 61c of the upper beam member 61, and there is a gap between the end face and the web 51c. The web 61c of the upper beam member 61 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 51c.

また、他方の組立梁60の下側通し梁62には、接合部J3において、一方の組立梁50の下側の梁部材52の端部が当接されて接合されている。具体的には、下側通し梁62の上フランジ62aに、下側の梁部材52の上フランジ52aの端面が接合され、下側通し梁62の下フランジ62bに下側の梁部材52の下フランジ52bの端面が接合されている。また、下側通し梁62のウェブ62cには、下側の梁部材52のウェブ52cの端面は接合されておらす、当該端面とウェブ62cとの間には隙間がある。なお、下側の梁部材52のウェブ52cを梁軸方向に延出して、当該延出部の端面をウェブ62cに接合させてもよい。
そして、一方の組立梁50の上側通し梁51と他方の組立梁60の下側通し梁62とが平面視において直交し、かつ、他方の組立梁60の上側の梁部材61と一方の組立梁50の下側の梁部材52とが平面視において直角に配置されている。
Further, the lower through beam 62 of the other assembled beam 60 is joined by abutting the end portion of the lower beam member 52 of the one assembled beam 50 at the joint portion J3. Specifically, the end surface of the upper flange 52a of the lower beam member 52 is joined to the upper flange 62a of the lower through beam 62, and the lower flange 62b of the lower through beam 62 is below the lower beam member 52. The end faces of the flange 52b are joined. Further, the web 62c of the lower through beam 62 is joined to the end face of the web 52c of the lower beam member 52, and there is a gap between the end face and the web 62c. The web 52c of the lower beam member 52 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 62c.
Then, the upper through beam 51 of one assembly beam 50 and the lower through beam 62 of the other assembly beam 60 are orthogonal to each other in a plan view, and the upper beam member 61 of the other assembly beam 60 and one assembly beam. The lower beam member 52 of the 50 is arranged at right angles in a plan view.

次に、前記D円部の構造について説明する。
図1および図5に示すように、組立梁70,80が平面視においてT字形に直角に接合されている。一方の組立梁70は、H形鋼によって形成された上側の梁部材71および下側の梁部材72を上下に積み重ねることによって形成されている。
他方の組立梁80は一方の組立梁70に平面視において直角に設けられるとともに、H形鋼によって形成された上側の梁部材81および下側の梁部材82を上下に積み重ねることによって形成されている。
Next, the structure of the D-circle portion will be described.
As shown in FIGS. 1 and 5, the assembly beams 70 and 80 are joined at right angles to a T shape in a plan view. One assembly beam 70 is formed by vertically stacking an upper beam member 71 and a lower beam member 72 formed of H-shaped steel.
The other assembly beam 80 is provided on one assembly beam 70 at a right angle in a plan view, and is formed by vertically stacking an upper beam member 81 and a lower beam member 82 formed of H-shaped steel. ..

また、一方の組立梁70の上側の梁部材71と下側の梁部材72とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、他方の組立梁80の上側の梁部材81と下側の梁部材82とは、梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
さらに、一方の組立梁70の上側の梁部材71と他方の組立梁80の上側の梁部材81とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
また、一方の組立梁70の下側の梁部材72と他方の組立梁80の下側の梁部材82とは梁成および梁幅(フランジ幅)が等しくなっているが、異なっていてもよい。
Further, the upper beam member 71 and the lower beam member 72 of one of the assembled beams 70 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 81 and the lower beam member 82 of the other assembled beam 80 have the same beam formation and beam width (flange width), but may be different.
Further, the upper beam member 71 of one assembled beam 70 and the upper beam member 81 of the other assembled beam 80 have the same beam formation and beam width (flange width), but may be different.
Further, the lower beam member 72 of one assembled beam 70 and the lower beam member 82 of the other assembled beam 80 have the same beam formation and beam width (flange width), but may be different. ..

組立梁70,80が接合される接合部J4において、一方の組立梁70の上側の梁部材71は、他方の組立梁80の上側の梁部材81に勝ち状態で接合された上側通し梁71となっており、他方の組立梁80の下側の梁部材82は、一方の組立梁70の下側の梁部材72に勝ち状態で接合された下側通し梁82となっている。 In the joint J4 to which the assembled beams 70 and 80 are joined, the upper beam member 71 of one assembled beam 70 and the upper through beam 71 joined to the upper beam member 81 of the other assembled beam 80 in a winning state. The lower beam member 82 of the other assembled beam 80 is a lower through beam 82 joined to the lower beam member 72 of the one assembled beam 70 in a winning state.

すなわち、他方の組立梁80の下側通し梁82は、接合部J4において、上側の梁部材81よりも平面視において梁長手方向に突出しており、この突出している部分において一方の組立梁70の下側の梁部材72の端部が下側通し梁82に当接されて接合されている。また、一方の組立梁70の上側通し梁71には、接合部J4において、他方の組立梁80の上側の梁部材81の端部が当接されて接合されている。具体的には、上側通し梁71の上フランジ71aに、上側の梁部材81の上フランジ81aの端面が接合され、上側通し梁71の下フランジ71bに上側の梁部材81の下フランジ81bの端面が接合されている。また、上側通し梁71のウェブ71cには、上側の梁部材81のウェブ81cの端面は接合されておらす、当該端面とウェブ71cとの間には隙間がある。なお、上側の梁部材81のウェブ81cを梁軸方向に延出して、当該延出部の端面をウェブ71cに接合させてもよい。 That is, the lower through beam 82 of the other assembly beam 80 protrudes in the beam longitudinal direction in the plan view from the upper beam member 81 at the joint portion J4, and the protruding portion of the one assembly beam 70 The end of the lower beam member 72 is abutted against and joined to the lower through beam 82. Further, the upper through beam 71 of one assembled beam 70 is joined by abutting the end portion of the upper beam member 81 of the other assembled beam 80 at the joint portion J4. Specifically, the end surface of the upper flange 81a of the upper beam member 81 is joined to the upper flange 71a of the upper through beam 71, and the end surface of the lower flange 81b of the upper beam member 81 is joined to the lower flange 71b of the upper through beam 71. Are joined. Further, the web 71c of the upper through beam 71 is joined to the end face of the web 81c of the upper beam member 81, and there is a gap between the end face and the web 71c. The web 81c of the upper beam member 81 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 71c.

また、他方の組立梁80の下側通し梁82には、接合部J4において、一方の組立梁70の下側の梁部材72の端部が当接されて接合されている。具体的には、下側通し梁72の上フランジ72aに、下側の梁部材82の上フランジ82aの端面が接合され、下側通し梁72の下フランジ72bに下側の梁部材82の下フランジ82bの端面が接合されている。また、下側通し梁72のウェブ72cには、下側の梁部材82のウェブ82cの端面は接合されておらす、当該端面とウェブ82cとの間には隙間がある。なお、下側の梁部材82のウェブ82cを梁軸方向に延出して、当該延出部の端面をウェブ72cに接合させてもよい。
そして、一方の組立梁70の上側通し梁71と他方の組立梁80の下側通し梁72とが平面視において直交し、かつ、他方の組立梁80の上側の梁部材81と一方の組立梁70の下側の梁部材72とが平面視において直角に配置されている。
Further, the lower through beam 82 of the other assembled beam 80 is joined by abutting the end portion of the lower beam member 72 of the one assembled beam 70 at the joint portion J4. Specifically, the end surface of the upper flange 82a of the lower beam member 82 is joined to the upper flange 72a of the lower through beam 72, and the lower flange 72b of the lower through beam 72 is below the lower beam member 82. The end faces of the flange 82b are joined. Further, the web 72c of the lower through beam 72 is joined to the end face of the web 82c of the lower beam member 82, and there is a gap between the end face and the web 82c. The web 82c of the lower beam member 82 may be extended in the beam axial direction, and the end face of the extending portion may be joined to the web 72c.
Then, the upper through beam 71 of one assembly beam 70 and the lower through beam 72 of the other assembly beam 80 are orthogonal to each other in a plan view, and the upper beam member 81 of the other assembly beam 80 and one assembly beam. The lower beam member 72 of the 70 is arranged at right angles in a plan view.

図1に示すように、本実施の形態では、基礎梁は、組立梁10,20,30,40,50,60,70,80によって形成された梁の平面構造を有しているが、当該梁の平面構造は基礎梁の少なくとも一部に設けられていればよい。 As shown in FIG. 1, in the present embodiment, the foundation beam has a planar structure of the beam formed by the assembled beams 10, 20, 30, 40, 50, 60, 70, 80. The planar structure of the beam may be provided on at least a part of the foundation beam.

本実施の形態によれば、組立梁10,20が直交する直交部において、一方の組立梁20の上側通し梁11と他方の組立梁20の下側通し梁22とが平面視において直交し、かつ、他方の組立梁20の上側分割梁21,21と一方の組立梁10の下側分割梁12,12とが平面視において直交するので、上部の柱や耐力壁から作用する荷重は、上側通し梁11に直接伝達されるとともに下側通し梁22に上側分割梁21,21を介して伝達される。このため、上部の柱や耐力壁からの荷重を十分に負担できるとともに、上側分割梁21,21および下側分割梁12,12の撓みを抑制できる。
また、上側分割梁21および下側分割梁12は、それぞれ梁部材をその長手方向に分割してなるものであるから、梁長が短くなる。このため、施工現場での上側分割梁21および下側分割梁12の取り回しが容易になり、施工負荷を軽減することができる。
According to the present embodiment, in the orthogonal portion where the assembled beams 10 and 20 are orthogonal to each other, the upper through beam 11 of one assembled beam 20 and the lower through beam 22 of the other assembled beam 20 are orthogonal to each other in a plan view. Moreover, since the upper split beams 21 and 21 of the other assembled beam 20 and the lower split beams 12 and 12 of the one assembled beam 10 are orthogonal to each other in a plan view, the load acting from the upper column and the bearing wall is on the upper side. It is directly transmitted to the through beam 11 and is transmitted to the lower through beam 22 via the upper split beams 21 and 21. Therefore, the load from the upper column and the bearing wall can be sufficiently borne, and the bending of the upper split beams 21 and 21 and the lower split beams 12 and 12 can be suppressed.
Further, since the upper split beam 21 and the lower split beam 12 are formed by dividing the beam member in the longitudinal direction, the beam length is shortened. Therefore, the upper split beam 21 and the lower split beam 12 can be easily handled at the construction site, and the construction load can be reduced.

また、組立梁30,40、組立梁50,60および組立梁70,80がそれぞれ接合される接合部J2,J3,J4において、一方の組立梁30,50,70の上側通し梁31,51,71と他方の組立梁40,60,80の下側通し梁42,62,82とが平面視において直交し、かつ、他方の組立梁40,60,80の上側の梁部材41,61,81と一方の組立梁30,50,70の下側の梁部材32,62,72とが平面視において直角に配置されるので、上部の柱や耐力壁から作用する荷重は、一方の組立梁30,50,70の上側通し梁31,51,71に直接伝達されるとともに他方の組立梁40,60,80の下側通し梁42,62,82に上側の梁部材41,61,81を介して伝達される。このため、上部の柱や耐力壁からの荷重を十分に負担できるとともに、梁部材32,41,52,61,62,72,81の撓みを抑制できる。 Further, in the joint portions J2, J3, J4 where the assembled beams 30, 40, the assembled beams 50, 60 and the assembled beams 70, 80 are joined, respectively, the upper through beams 31, 51, of one of the assembled beams 30, 50, 70, 71 and the lower through beams 42, 62, 82 of the other assembled beams 40, 60, 80 are orthogonal to each other in a plan view, and the upper beam members 41, 61, 81 of the other assembled beams 40, 60, 80. And the lower beam members 32, 62, 72 of the one assembled beam 30, 50, 70 are arranged at right angles in a plan view, so that the load acting from the upper column or the bearing wall is the load acting from the one assembled beam 30. , 50, 70 are directly transmitted to the upper through beams 31, 51, 71, and are transmitted to the lower through beams 42, 62, 82 of the other assembled beams 40, 60, 80 via the upper beam members 41, 61, 81. Is transmitted. Therefore, the load from the upper column and the bearing wall can be sufficiently borne, and the bending of the beam members 32, 41, 52, 61, 62, 72, 81 can be suppressed.

また、組立梁10,20の直交部において、上側通し梁11と下側通し梁22とを結合する場合、例えば、図2Aに示すように、上側通し梁11の下フランジ11bと、下側通し梁22の上フランジ22aとをボルト15によって結合してもよいし、図2Bに示すように、上側通し梁11の下フランジ11bと、下側通し梁22の上フランジ22aとを溶接16によって結合してもよい。なお、このような結合は上側通し梁11のウェブ11cを挟む両側の下フランジ11b,11bによって行われる。 Further, when connecting the upper through beam 11 and the lower through beam 22 at the orthogonal portions of the assembled beams 10 and 20, for example, as shown in FIG. 2A, the lower flange 11b of the upper through beam 11 and the lower through The upper flange 22a of the beam 22 may be connected by a bolt 15, or as shown in FIG. 2B, the lower flange 11b of the upper through beam 11 and the upper flange 22a of the lower through beam 22 are connected by welding 16. You may. It should be noted that such a connection is performed by the lower flanges 11b and 11b on both sides of the web 11c of the upper through beam 11.

また、組立梁10,20の直交部において、上側通し梁11と上側分割梁21とを結合する場合、例えば、図2Cに示すように、上側通し梁11のウェブ11cと上側分割梁21のウェブ21cとを結合金物17によって結合してもよい。結合金物17は板状の第1結合板17aと、この第1結合板17aに直角に固定された板状の第2結合板17bとを備えている。そして、第1結合板17aを上側通し梁11のウェブ11cにボルト止めするとともに、第2結合板17bを上側分割梁21のウェブ21cにボルト止めすることによって、上側通し梁11と上側分割梁21とを結合する。
なお、このような結合は、上側通し梁11のウェブ11cを挟む両側にそれぞれ結合金物17を設けることによって行われる。
また、図示は省略するが、下側通し梁22と下側分割梁12とを結合金物17によって同様にして結合してもよい。
Further, when connecting the upper through beam 11 and the upper dividing beam 21 at the orthogonal portions of the assembled beams 10 and 20, for example, as shown in FIG. 2C, the web 11c of the upper through beam 11 and the web of the upper dividing beam 21 21c may be bonded by the bonding metal fitting 17. The coupling metal fitting 17 includes a plate-shaped first coupling plate 17a and a plate-shaped second coupling plate 17b fixed at a right angle to the first coupling plate 17a. Then, by bolting the first joint plate 17a to the web 11c of the upper through beam 11 and bolting the second joint plate 17b to the web 21c of the upper split beam 21, the upper through beam 11 and the upper split beam 21 are bolted. And combine.
It should be noted that such a coupling is performed by providing coupling hardware 17 on both sides of the upper through beam 11 sandwiching the web 11c.
Further, although not shown, the lower through beam 22 and the lower split beam 12 may be connected in the same manner by the connecting metal fitting 17.

また、図2Dに示すように、上側通し梁11と上側分割梁21とを結合する場合、上側通し梁11の上フランジ11aと上側分割梁21の上フランジ21aとを溶接16によって結合するとともに、上側通し梁11の下フランジ11bと上側分割梁21の下フランジ21bとを溶接16によって結合してもよい。
なお、図示は省略するが、下側通し梁22と下側分割梁12とを溶接によって同様にして結合してもよい。
Further, as shown in FIG. 2D, when the upper through beam 11 and the upper split beam 21 are connected, the upper flange 11a of the upper through beam 11 and the upper flange 21a of the upper split beam 21 are joined by welding 16 and the upper flange 21a is joined. The lower flange 11b of the upper through beam 11 and the lower flange 21b of the upper split beam 21 may be joined by welding 16.
Although not shown, the lower through beam 22 and the lower split beam 12 may be joined in the same manner by welding.

さらに、図2Eに示すように、上側通し梁11と上側分割梁21とを結合する場合、上側通し梁11の上フランジ11aと上側分割梁21の上フランジ21aとを結合金物18によって結合するとともに、上側通し梁11の下フランジ11bと上側分割梁21の下フランジ21bとを結合金物19によって結合してもよいし、結合金物18だけで結合してもよいし、結合金物19だけで結合してもよい。 Further, as shown in FIG. 2E, when the upper through beam 11 and the upper split beam 21 are connected, the upper flange 11a of the upper through beam 11 and the upper flange 21a of the upper split beam 21 are joined by the coupling metal fitting 18. , The lower flange 11b of the upper through beam 11 and the lower flange 21b of the upper split beam 21 may be connected by the coupling metal fitting 19, the coupling metal fitting 18 alone, or the coupling metal fitting 19 alone. You may.

結合金物18は矩形板状に形成されており、当該結合金物18の一側部を上フランジ11aにボルト止めするとともに他側部を上フランジ21aにボルト止めすることによって、上側通し梁11と上側分割梁21とを結合する。
また、結合金物19は、板状の第1結合板19aと、この第1結合板19aに直角に固定された板状の第2結合板19bとを備えている。そして、第1結合板17aを上側通し梁11のウェブ11cにボルト止めするとともに、第2結合板19bを上側通し梁11の下フランジ11bおよび上側分割梁21の下フランジ21bにボルト止めすることによって、上側通し梁11と上側分割梁21とを結合する。
なお、図示は省略するが、下側通し梁22と下側分割梁12とを結合金物19によって同様にして結合してもよい。
The joint metal fitting 18 is formed in a rectangular plate shape, and by bolting one side portion of the joint metal fitting 18 to the upper flange 11a and bolting the other side portion to the upper flange 21a, the upper through beam 11 and the upper side are bolted. It is connected to the split beam 21.
Further, the coupling metal fitting 19 includes a plate-shaped first coupling plate 19a and a plate-shaped second coupling plate 19b fixed at a right angle to the first coupling plate 19a. Then, the first joint plate 17a is bolted to the web 11c of the upper through beam 11, and the second joint plate 19b is bolted to the lower flange 11b of the upper through beam 11 and the lower flange 21b of the upper split beam 21. , The upper through beam 11 and the upper split beam 21 are connected.
Although not shown, the lower through beam 22 and the lower split beam 12 may be connected in the same manner by the connecting metal fitting 19.

また、上側分割梁21と下側通し梁22とを結合する場合、図2Fに示すように、上側分割梁21の下フランジ21bと下側通し梁22の上フランジ22aとをボルト15によって結合してもよいし、図2Gに示すように、上側分割梁21の下フランジ21bと下側通し梁22の上フランジ22aとを溶接16によって結合してもよい。なお、このような結合は上側分割梁21のウェブ21cを挟む両側の下フランジ21b,21bおよび下側通し梁22のウェブ22cを挟む両側の上フランジ22a,22aによって行われる。
また、溶接16は、下フランジ21bおよび上フランジ22aの長さ方向に沿って間欠的に行ってもよいし、連続的に行ってもよい。
また、図示は省略するが、上側通し梁11と下側分割梁12との結合も、上記と同様にしてボルト15によって行うか、または溶接16によって行えばよい。
なお、上述したボルト15、溶接16、結合金物17,18,19による梁部材どうしの結合は、図3~図5に示す構造に同様にして適用してもよい。
When connecting the upper split beam 21 and the lower through beam 22, as shown in FIG. 2F, the lower flange 21b of the upper split beam 21 and the upper flange 22a of the lower through beam 22 are joined by a bolt 15. Alternatively, as shown in FIG. 2G, the lower flange 21b of the upper split beam 21 and the upper flange 22a of the lower through beam 22 may be joined by welding 16. Such coupling is performed by the lower flanges 21b and 21b on both sides of the upper split beam 21 sandwiching the web 21c and the upper flanges 22a and 22a on both sides of the lower through beam 22 sandwiching the web 22c.
Further, the welding 16 may be performed intermittently or continuously along the length direction of the lower flange 21b and the upper flange 22a.
Further, although not shown, the connection between the upper through beam 11 and the lower split beam 12 may be performed by the bolt 15 or by welding 16 in the same manner as described above.
In addition, the connection between the beam members by the bolt 15, the welding 16, and the coupling hardware 17, 18 and 19 described above may be applied in the same manner to the structures shown in FIGS. 3 to 5.

上述した実施の形態では、本発明に係る梁の平面構造を住宅等の建物の基礎梁の平面構造に適用したが、建物の床梁に適用してもよい。この場合、図2Hおよび図2Iに示すように、例えば複数階建ての建物では、その平面における外周側に配置される組立梁30,40は、下階の壁100や下階の柱200の上端面によって支持されるとともに、平面視においてコ字形に直角に接合されている。 In the above-described embodiment, the planar structure of the beam according to the present invention is applied to the planar structure of the foundation beam of a building such as a house, but it may be applied to the floor beam of the building. In this case, as shown in FIGS. 2H and 2I, for example, in a multi-story building, the assembly beams 30 and 40 arranged on the outer peripheral side in the plane are above the wall 100 on the lower floor and the pillar 200 on the lower floor. It is supported by the end faces and is joined at right angles to a U-shape in plan view.

一方の組立梁30は、H形鋼によって形成された上側の梁部材31および下側の梁部材32を上下に積み重ねることによって形成されている。
他方の組立梁40は一方の組立梁10に平面視において直角に設けられるとともに、H形鋼によって形成された上側の梁部材41および下側の梁部材42を上下に積み重ねることによって形成されている。
One assembly beam 30 is formed by vertically stacking an upper beam member 31 and a lower beam member 32 formed of H-shaped steel.
The other assembly beam 40 is provided on one assembly beam 10 at a right angle in a plan view, and is formed by vertically stacking an upper beam member 41 and a lower beam member 42 formed of H-shaped steel. ..

組立梁30,40が接合される接合部において、一方の組立梁30の上側の梁部材31は、他方の組立梁40の上側の梁部材41に勝ち状態で接合された上側通し梁31となっており、他方の組立梁40の下側の梁部材42は、一方の組立梁30の下側の梁部材32に勝ち状態で接合された下側通し梁42となっている。そして、一方の組立梁30の上側通し梁31と他方の組立梁40の下側通し梁42とが平面視において直交し、かつ、他方の組立梁40の上側の梁部材41と一方の組立梁30の下側の梁部材32とが平面視において直角に配置されている。 At the joint where the assembled beams 30 and 40 are joined, the upper beam member 31 of one assembled beam 30 becomes the upper through beam 31 joined to the upper beam member 41 of the other assembled beam 40 in a winning state. The lower beam member 42 of the other assembled beam 40 is a lower through beam 42 joined to the lower beam member 32 of the one assembled beam 30 in a winning state. Then, the upper through beam 31 of one assembly beam 30 and the lower through beam 42 of the other assembly beam 40 are orthogonal to each other in a plan view, and the upper beam member 41 of the other assembly beam 40 and one assembly beam. The lower beam member 32 of 30 is arranged at right angles in a plan view.

建物がツーバイフォー工法によって施工されている場合、図2Hに示すように、下階の壁パネル100の上端面に、下側通し梁42および下側の梁部材32が設置され、上側通し梁31と上側の梁部材41に上階の壁パネル101が設置されている。上下階の壁パネル101,100はホールドダウン金物等の連結金物110によって連結されている。連結金物110は上下の固定部110a,110bと、これら固定部110a,110bを連結するPC鋼棒等の連結棒110cとを備えている。 When the building is constructed by the two-by-four method, as shown in FIG. 2H, the lower through beam 42 and the lower beam member 32 are installed on the upper end surface of the wall panel 100 on the lower floor, and the upper through beam 31 and the upper through beam 31 are installed. The upper wall panel 101 is installed on the upper beam member 41. The wall panels 101 and 100 on the upper and lower floors are connected by a connecting hardware 110 such as a holddown hardware. The connecting hardware 110 includes upper and lower fixing portions 110a and 110b, and connecting rods 110c such as PC steel rods that connect these fixing portions 110a and 110b.

そして、上の固定部110aが上階の壁パネル101に固定され、下の固定部110bが下階の壁パネル100に固定されている。また、連結棒110cは上階の壁パネル101、上側通し梁31の上下のフランジ、下側通し梁31の上下のフランジ、および下階の壁パネル100を貫通している。そして、連結棒110cは上下の固定部110a,110bに締め付け固定されている。したがって、組立梁30,40は上下の壁パネル101,100によって挟み付けられるようにして固定されている。 Then, the upper fixing portion 110a is fixed to the upper floor wall panel 101, and the lower fixing portion 110b is fixed to the lower floor wall panel 100. Further, the connecting rod 110c penetrates the upper wall panel 101, the upper and lower flanges of the upper through beam 31, the upper and lower flanges of the lower through beam 31, and the lower wall panel 100. The connecting rod 110c is fastened and fixed to the upper and lower fixing portions 110a and 110b. Therefore, the assembly beams 30 and 40 are fixed so as to be sandwiched between the upper and lower wall panels 101 and 100.

また、建物が在来の軸組工法によって施工されている場合、図2Iに示すように、下階の柱200の上端面にベースプレート210が設置固定されている。このベースプレート210は紙面と直交する方向に延在しており、当該方向に所定間隔で設けられた複数の柱200の上端面に設置されている。このベースプレート210に下側通し梁42の梁長手方向の端部および下側の梁部材32が設置され、下側通し梁42の下フランジとベースプレート210とがボルト211によって結合されている。
また、上側通し梁31の上フランジにベースプレート210が設置され、このベースプレート210に上階の柱201が固定されている。そして、上側通し梁31の下フランジとベースプレート210とがボルト211によって結合されている。したがって、組立梁30,40は上下の柱201,200にベースプレート210を介してボルト211によって固定されている。
Further, when the building is constructed by the conventional frame construction method, as shown in FIG. 2I, the base plate 210 is installed and fixed on the upper end surface of the column 200 on the lower floor. The base plate 210 extends in a direction orthogonal to the paper surface, and is installed on the upper end surfaces of a plurality of pillars 200 provided at predetermined intervals in the direction. An end portion of the lower through beam 42 in the beam longitudinal direction and a lower beam member 32 are installed on the base plate 210, and the lower flange of the lower through beam 42 and the base plate 210 are connected by bolts 211.
Further, a base plate 210 is installed on the upper flange of the upper through beam 31, and a pillar 201 on the upper floor is fixed to the base plate 210. Then, the lower flange of the upper through beam 31 and the base plate 210 are connected by a bolt 211. Therefore, the assembly beams 30 and 40 are fixed to the upper and lower columns 201 and 200 by bolts 211 via the base plate 210.

なお、本実施の形態では、組立梁10,20,30,40,50,60,70,80を、それぞれ上下に重ねられ、かつ梁幅(フランジ幅)が等しいH形鋼によって形成したが、組立梁10,20,30,40,50,60,70,80は以下のように形成してもよい。
すなわち、図6(a)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅広に形成するとともに、下側のH形鋼の上フランジd1を下フランジd2より幅狭に形成し、さらに、上側のH形鋼の上フランジh1と下側のH形鋼の下フランジd2とを同幅に形成するとともに、上側のH形鋼の下フランジh2と下側のH形鋼の上フランジd1とを同幅に形成してもよい。
また、図6(b)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅狭に形成するとともに、下側のH形鋼の上フランジd1と下フランジd2とを同幅に形成し、さらに、上側のH形鋼の下フランジh2と下側のH形鋼の上フランジd1とを同幅に形成してもよい。
さらに、図6(c)に示すように、上側のH形鋼の上フランジh1と下フランジh2とを同幅広に形成するとともに、下側のH形鋼の上フランジd1を下フランジd2より幅狭に形成し、さらに、下側のH形鋼の下フランジd2と上側のH形鋼の下フランジh2とを同幅に形成してもよい。
In the present embodiment, the assembled beams 10, 20, 30, 40, 50, 60, 70, and 80 are formed of H-shaped steel that is vertically stacked and has the same beam width (flange width). The assembly beams 10, 20, 30, 40, 50, 60, 70, 80 may be formed as follows.
That is, as shown in FIG. 6A, the upper flange h1 of the upper H-shaped steel is formed wider than the lower flange h2, and the upper flange d1 of the lower H-shaped steel is narrower than the lower flange d2. Further, the upper flange h1 of the upper H-shaped steel and the lower flange d2 of the lower H-shaped steel are formed to have the same width, and the lower flange h2 of the upper H-shaped steel and the lower H-shaped steel are formed. The upper flange d1 may be formed to have the same width.
Further, as shown in FIG. 6B, the upper flange h1 of the upper H-shaped steel is formed to be narrower than the lower flange h2, and the upper flange d1 and the lower flange d2 of the lower H-shaped steel are the same. The lower flange h2 of the upper H-shaped steel and the upper flange d1 of the lower H-shaped steel may be formed to have the same width.
Further, as shown in FIG. 6C, the upper flange h1 and the lower flange h2 of the upper H-shaped steel are formed to have the same width, and the upper flange d1 of the lower H-shaped steel is wider than the lower flange d2. It may be formed narrowly, and the lower flange d2 of the lower H-shaped steel and the lower flange h2 of the upper H-shaped steel may be formed to have the same width.

また、図7に示すように、下側の形鋼を角形鋼管kによって形成したうえで、図7(a)に示すように、上側のH形鋼の上フランジh1と下フランジh2とを同幅に形成するととともに、角形鋼管kの上面の幅と、下フランジh2とを同幅に形成してもよい。
また、図7(b)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅広に形成するととともに、角形鋼管kの上面の幅と、上フランジh1とを同幅に形成してもよい。
さらに、図7(c)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅狭に形成するととともに、角形鋼管kの上面の幅と、下フランジh2とを同幅に形成してもよい。
Further, as shown in FIG. 7, the lower shaped steel is formed by the square steel pipe k, and then, as shown in FIG. 7A, the upper flange h1 and the lower flange h2 of the upper H-shaped steel are the same. The width may be formed, and the width of the upper surface of the square steel pipe k and the lower flange h2 may be formed to have the same width.
Further, as shown in FIG. 7B, the upper flange h1 of the upper H-shaped steel is formed wider than the lower flange h2, and the width of the upper surface of the square steel pipe k and the upper flange h1 are formed to have the same width. You may.
Further, as shown in FIG. 7C, the upper flange h1 of the upper H-shaped steel is formed to be narrower than the lower flange h2, and the width of the upper surface of the square steel pipe k and the lower flange h2 are made the same width. It may be formed.

また、図8に示すように、下側の形鋼を溝形鋼mによって形成したうえで、図8(a)に示すように、上側のH形鋼の上フランジh1と下フランジh2とを同幅に形成するととともに、溝形鋼mの上フランジm1の幅と、下フランジh2とを同幅に形成してもよい。
また、図8(b)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅広に形成するととともに、溝形鋼mの上フランジm1と上フランジh1とを同幅に形成してもよい。
さらに、図8(c)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅狭に形成するととともに、溝形鋼mの上フランジm1と下フランジh2とを同幅に形成してもよい。
Further, as shown in FIG. 8, the lower shaped steel is formed of the channel steel m, and then, as shown in FIG. 8A, the upper flange h1 and the lower flange h2 of the upper H-shaped steel are formed. The width of the upper flange m1 of the channel steel m and the width of the lower flange h2 may be formed to be the same as well as to be formed to have the same width.
Further, as shown in FIG. 8B, the upper flange h1 of the upper H-shaped steel is formed wider than the lower flange h2, and the upper flange m1 and the upper flange h1 of the channel steel m are formed to have the same width. You may.
Further, as shown in FIG. 8C, the upper flange h1 of the upper H-shaped steel is formed to be narrower than the lower flange h2, and the upper flange m1 and the lower flange h2 of the channel steel m are made to have the same width. It may be formed.

また、図9に示すように、下側の形鋼を2つの溝形鋼を背中合わせに接合した接合溝形鋼smとしたうえで、図9(a)に示すように、上側のH形鋼の上フランジh1と下フランジh2とを同幅に形成するととともに、接合溝形鋼smの上フランジと、下フランジh2とを同幅に形成してもよい。
また、図9(b)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅広に形成するととともに、接合溝形鋼smの上フランジと上フランジh1とを同幅に形成してもよい。
さらに、図9(c)に示すように、上側のH形鋼の上フランジh1を下フランジh2より幅狭に形成するととともに、接合溝形鋼smの上フランジと下フランジh2とを同幅に形成してもよい。
Further, as shown in FIG. 9, the lower shaped steel is a joined channel steel sm in which two channel steels are joined back to back, and then, as shown in FIG. 9A, the upper H-shaped steel is used. The upper flange h1 and the lower flange h2 may be formed to have the same width, and the upper flange of the joined channel steel sm and the lower flange h2 may be formed to have the same width.
Further, as shown in FIG. 9B, the upper flange h1 of the upper H-shaped steel is formed wider than the lower flange h2, and the upper flange and the upper flange h1 of the joined channel steel sm are formed to have the same width. You may.
Further, as shown in FIG. 9C, the upper flange h1 of the upper H-shaped steel is formed to be narrower than the lower flange h2, and the upper flange and the lower flange h2 of the joined channel steel sm are formed to have the same width. It may be formed.

10,30,50,70 一方の組立梁
20,40,60,80 他方の組立梁
11,31,51,71 上側通し梁(梁部材)
22,42,62,82 下側通し梁(梁部材)
12 下側分割梁(梁部材)
21 上側分割梁(梁部材)
32,41,52,61,72,81 梁部材
10, 30, 50, 70 One assembled beam 20, 40, 60, 80 The other assembled beam 11, 31, 51, 71 Upper through beam (beam member)
22, 42, 62, 82 Lower through beam (beam member)
12 Lower split beam (beam member)
21 Upper split beam (beam member)
32, 41, 52, 61, 72, 81 Beam members

Claims (4)

形鋼によって形成された梁部材を上下に積み重ねてなる組立梁を備えた梁の平面構造であって、
前記組立梁が平面視において互いに直交して設けられ、
前記組立梁が直交する直交部において、
一方の前記組立梁の上側の前記梁部材は連続した上側通し梁となっており、他方の前記組立梁の上側の前記梁部材は前記上側通し梁を挟んで分割された上側分割梁となっており、
他方の前記組立梁の下側の前記梁部材は連続した下側通し梁となっており、一方の前記組立梁の下側の前記梁部材は前記下側通し梁を挟んで分割された下側分割梁となっていることを特徴とする梁の平面構造。
It is a planar structure of a beam provided with an assembled beam formed by stacking beam members formed of shaped steel on the top and bottom.
The assembled beams are provided orthogonal to each other in a plan view.
At the orthogonal portion where the assembled beams are orthogonal to each other,
The beam member on the upper side of one of the assembled beams is a continuous upper through beam, and the beam member on the upper side of the other assembled beam is an upper split beam divided across the upper through beam. Beam,
The beam member on the lower side of the other assembled beam is a continuous lower through beam, and the beam member on the lower side of the one assembled beam is a lower side divided across the lower through beam. A planar structure of a beam characterized by being a split beam.
形鋼によって形成された梁部材を上下に積み重ねてなる組立梁を備えた梁の平面構造であって、
前記組立梁が平面視において直角に接合され、
前記組立梁が接合される接合部において、
一方の前記組立梁の上側の梁部材は、他方の前記組立梁の上側の梁部材に勝ち状態で接合された上側通し梁となっており、
他方の前記組立梁の下側の梁部材は、一方の前記組立梁の下側の梁部材に勝ち状態で接合された下側通し梁となっていることを特徴とする梁の平面構造。
It is a planar structure of a beam provided with an assembled beam formed by stacking beam members formed of shaped steel on the top and bottom.
The assembled beams are joined at right angles in plan view
At the joint where the assembled beams are joined,
The upper beam member of one of the assembled beams is an upper through beam joined to the upper beam member of the other assembled beam in a winning state.
The planar structure of the beam, wherein the lower beam member of the other assembled beam is a lower through beam joined to the lower beam member of the one assembled beam in a winning state.
前記組立梁が、建物の基礎梁の少なくとも一部を構成していることを特徴とする請求項1または2に記載の梁の平面構造。 The planar structure of a beam according to claim 1 or 2, wherein the assembled beam constitutes at least a part of a foundation beam of a building. 前記組立梁が、建物の床梁の少なくとも一部を構成していることを特徴とする請求項1または2に記載の梁の平面構造。 The planar structure of a beam according to claim 1 or 2, wherein the assembled beam constitutes at least a part of a floor beam of a building.
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