JP5371390B2 - Building unit reinforcement structure and unit building - Google Patents
Building unit reinforcement structure and unit building Download PDFInfo
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- JP5371390B2 JP5371390B2 JP2008298572A JP2008298572A JP5371390B2 JP 5371390 B2 JP5371390 B2 JP 5371390B2 JP 2008298572 A JP2008298572 A JP 2008298572A JP 2008298572 A JP2008298572 A JP 2008298572A JP 5371390 B2 JP5371390 B2 JP 5371390B2
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- 230000003014 reinforcing Effects 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
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Abstract
<P>PROBLEM TO BE SOLVED: To reinforce a ceiling beam without imposing restrictions on usage of a floor face and a ceiling face of a lower story building unit when reinforcing the ceiling beam of the lower story building unit on which an upper story building unit arranged in a setback state is disposed. <P>SOLUTION: In the reinforcement structure of a building unit 10A on which the upper story building unit 20A arranged in the setback state is disposed, a reinforcing means 30 is provided at an intermediate section of the ceiling beam 13 on which a column base on the front base of the upper story building unit 20A is mounted, and the reinforcing means 30 includes a closing plate 40 fitted between upper and lower flanges of a C-shaped steel constituting the ceiling beam 13. <P>COPYRIGHT: (C)2010,JPO&INPIT
Description
本発明は建物ユニットの補強構造及びユニット建物に関する。
The present invention relates to a reinforcing structure of a building unit and a unit building.
下階建物ユニットより妻又は桁方向の短い上階建物ユニットをセットバック状態で載せたユニット建物において、特許文献１に記載の如く、下階建物ユニットの天井梁の中間部の上にセットバック配置された上階建物ユニットの前面の柱脚を搭載してなるものがある。
In the unit building in which the upper floor building unit shorter in the wife or girder direction than the lower floor building unit is placed in the setback state, as set forth in Patent Document 1, the setback is placed on the middle part of the ceiling beam of the lower floor building unit. There are some which are equipped with column bases on the front of the upper floor building unit.
下階建物ユニットの上にセットバック配置された上階建物ユニットを上述の如くに搭載するユニット建物では、下階建物ユニットの天井梁の中間部に上階鉛直荷重が集中して入力するため、天井梁の補強のために、天井梁の中間部とこれに相対する床梁の中間部との間に中柱を設けたり、天井梁の側傍の天井面内にはしご枠状の天井補強枠を設ける必要がある。
特開平10-37308
In the unit building that mounts the upper floor building unit set back arranged on the lower floor building unit as described above, the upper floor vertical load is concentrated and input to the middle part of the ceiling beam of the lower floor building unit. In order to reinforce the ceiling beam, a middle pillar is provided between the middle part of the ceiling beam and the middle part of the floor beam opposite to the ceiling beam, or a ladder frame-like ceiling reinforcement frame in the ceiling surface on the side of the ceiling beam It is necessary to provide.
JP 10-37308 A
セットバック配置された上階建物ユニットが搭載される下階建物ユニットの天井梁の補強のために、下階建物ユニットの相対する天井梁と床梁の間に中柱を設ける場合には、下階建物ユニットの壁面に中柱により邪魔されない広い開口を形成できない。また、下階建物ユニットの天井梁の側傍に天井補強枠を設ける場合には、下階建物ユニットの天井面に上階建物ユニットの側に延びる階段室や吹き抜け空間を設けることの制約を生ずる。
In order to reinforce the ceiling beam of the lower-floor building unit on which the upper-floor building unit placed in setback is installed, A wide opening that is not obstructed by the middle pillar cannot be formed on the wall surface of the floor building unit. In addition, when a ceiling reinforcing frame is provided on the side of the ceiling beam of the lower-floor building unit, there is a restriction on providing a staircase or an atrium space extending to the upper-floor building unit on the ceiling surface of the lower-floor building unit. .
本発明の課題は、セットバック配置された上階建物ユニットが搭載される下階建物ユニットの天井梁を補強するに際し、下階建物ユニットの床面や天井面の利用に制約を与えることなく、その天井梁を補強することにある。
The object of the present invention is to reinforce the ceiling beam of the lower-floor building unit on which the upper-floor building unit placed in the setback is mounted, without restricting the use of the floor surface or ceiling surface of the lower-floor building unit, The purpose is to reinforce the ceiling beam.
請求項１の発明は、上階建物ユニットがセットバック配置されて搭載される建物ユニットの補強構造において、上階建物ユニットの前面の柱脚が搭載される妻側天井梁の中間部に補強手段を設け、前記補強手段が、前記妻側天井梁を構成するＣ形鋼における上下のフランジ間に嵌着される閉塞プレートと、該閉塞プレートに固定されて該妻側天井梁に直交するユニット内側方向へ延在する受けプレートとからなり、前記妻側天井梁の中間部及び受けプレートの上にベースプレートを載せ、上階建物ユニットの柱脚、及び妻側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの妻側天井梁の中間部、該ベースプレート及び上階建物ユニットの妻側床梁の接続ピースをボルト締結するとともに、上階建物ユニットの桁側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの受けプレート、該ベースプレート、及び上階建物ユニットの桁側床梁の接続ピースをボルト締結するようにしたものである。
According to the first aspect of the present invention, in the reinforcing structure of a building unit in which the upper floor building unit is mounted in a set-back arrangement, the reinforcing means is provided in the middle part of the wife side ceiling beam on which the front column base of the upper floor building unit is mounted. And the reinforcing means includes a closing plate fitted between upper and lower flanges of the C-shaped steel constituting the wife side ceiling beam, and an inner side of the unit fixed to the closing plate and orthogonal to the wife side ceiling beam The base plate is placed on the intermediate part of the end ceiling beam and the support plate, and the column base of the upper floor building unit and the connection piece of the end floor beam are placed on the base plate. And tighten the bolts to the connection part of the base floor and the wife side floor beam of the upper floor building unit, and to the girder side floor beam of the upper floor building unit. The connecting piece placed on the base plate, is obtained by the lower story building unit of the receiving plate, the base plate, and a connecting piece digit side floor beams of the upper story building unit to be bolted.
請求項２の発明は、請求項１の発明において更に、前記ベースプレートが、上階建物ユニットの柱脚、及び妻側床梁の接続ピースを載せる部分と、上階建物ユニットの桁側床梁の接続ピースを載せる部分とを備えた異形状をなすようにしたものである。
According to a second aspect of the present invention, in the first aspect of the invention, the base plate further includes a portion on which the column base of the upper floor building unit and the connection piece of the wife side floor beam are placed, and a girder side floor beam of the upper floor building unit. It has a different shape with a portion on which a connection piece is placed .
請求項３の発明は、請求項１又は２の発明において更に、前記閉塞プレートが、プレート本体の上下端部から側方に突出する上下の突片を備え、上下の突片を前記妻側天井梁を構成するＣ形鋼における上下のフランジの内面に嵌合してなるようにしたものである。
According to a third aspect of the present invention, in the first or second aspect of the present invention, the closing plate further comprises upper and lower projecting pieces projecting sideways from the upper and lower end portions of the plate body, and the upper and lower projecting pieces are arranged on the wife side ceiling. It is made to fit to the inner surface of the upper and lower flanges in the C-shaped steel constituting the beam .
請求項４の発明は、請求項１〜３のいずれかの発明において更に、前記受けプレートが、前記閉塞プレートにボルト接合される取付板部と、取付板部の両側縁部に直交配置されて溶接される２枚の側板部と、２枚の側板部の上縁部に載架されて溶接される受け板部とからなるようにしたものである。
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the receiving plate is arranged orthogonally to a mounting plate portion that is bolted to the closing plate and both side edges of the mounting plate portion. It consists of two side plate parts to be welded and a receiving plate part that is mounted on and welded to the upper edge of the two side plate parts.
請求項５の発明は、請求項１〜４のいずれかに記載の建物ユニットの補強構造が適用された下階建物ユニットの妻側天井梁の中間部の上に、セットバック配置された上階建物ユニットの前面の柱脚を搭載してなるユニット建物である。
The invention according to claim 5 is an upper floor that is setback arranged on the middle part of the wife side ceiling beam of the lower floor building unit to which the building unit reinforcement structure according to any one of claims 1 to 4 is applied. It is a unit building that is equipped with a column base in front of the building unit.
（請求項１）
(a)下階建物ユニットの妻側天井梁を構成するＣ形鋼の横断面内のスペースに閉塞プレートを嵌着するだけにより、その妻側天井梁の剪断強度及びねじり強度を補強できる。
(b)上述(a)の閉塞プレートに固定されて該妻側天井梁に直交するユニット内側方向へ延在する受けプレートを設け、この受けプレートに上階建物ユニットの桁側床梁を支持させることにより、下階建物ユニットの上記妻側天井梁にねじりモーメントが発生しないものになり、その天井梁を一層補強できる。
(c)上階建物ユニットの柱脚、及び妻側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの妻側天井梁の中間部、該ベースプレート及び上階建物ユニットの妻側床梁の接続ピースをボルト締結するとともに、上階建物ユニットの桁側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの受けプレート、該ベースプレート、及び上階建物ユニットの桁側床梁の接続ピースをボルト締結した。これにより、下階建物ユニットの妻側天井梁の中間部及び受けプレートと、上階建物ユニットの妻側床梁の接続ピース及び桁側床梁の接続ピースとが、ベースプレートを介して一体結合され、下階建物ユニットの相対する各妻側天井梁のそれぞれを一層強固に補強できる。下階建物ユニットの相対する妻側天井梁を結ぶ補強梁を設けることなく、セットバック配置された上階建物ユニットが搭載される下階建物ユニットの天井面の利用に制約を与えることなく、簡素な構造によりその天井梁を強固に補強できる。
（請求項２）
(d)ベースプレートを異形状とすることにより、上階建物ユニットの柱脚、及び妻側床梁の接続ピースと、上階建物ユニットの桁側床梁の接続ピースとを単一のベースプレートに併せ備えることができる。 (Claim 1)
(a) The shear strength and torsional strength of the wife side ceiling beam can be reinforced only by fitting the closing plate into the space in the cross section of the C-shaped steel that constitutes the wife side ceiling beam of the lower floor building unit .
(b) A receiving plate that is fixed to the closing plate of (a) and extends inward of the unit perpendicular to the wife side ceiling beam is provided, and this receiving plate supports the girder side floor beam of the upper floor building unit. As a result, no torsional moment is generated in the above-mentioned wife side ceiling beam of the lower floor building unit, and the ceiling beam can be further reinforced.
(c) Place the column base of the upper floor building unit and the connection piece of the floor floor beam on the base plate, and the middle part of the floor ceiling beam of the lower floor building unit, the base side of the base floor and the upper floor building unit The floor beam connecting piece is bolted and the upper floor building unit girder floor beam connecting piece is placed on the base plate, the lower floor building unit receiving plate, the base plate, and the upper floor building unit girder side The floor beam connecting piece was bolted. As a result, the intermediate part and the receiving plate of the wife side ceiling beam of the lower floor building unit and the connection piece of the wife side floor beam and the connection piece of the girder side floor beam of the upper floor building unit are integrally coupled via the base plate. In addition, it is possible to reinforce each of the opposing ceiling beams on the lower floor building unit more firmly. Simplified without limiting the use of the ceiling surface of the lower-floor building unit on which the upper-floor building unit mounted in the set-back arrangement is installed, without providing a reinforcing beam that connects the opposite-side ceiling beams of the lower-floor building unit The ceiling beam can be firmly reinforced by a simple structure.
(Claim 2)
(d) By making the base plate differently shaped, the column base of the upper floor building unit and the connection piece of the gable side floor beam and the connection piece of the girder side floor beam of the upper floor building unit are combined into a single base plate. Can be provided.
(a)下階建物ユニットの妻側天井梁を構成するＣ形鋼の横断面内のスペースに閉塞プレートを嵌着するだけにより、その妻側天井梁の剪断強度及びねじり強度を補強できる。
(b)上述(a)の閉塞プレートに固定されて該妻側天井梁に直交するユニット内側方向へ延在する受けプレートを設け、この受けプレートに上階建物ユニットの桁側床梁を支持させることにより、下階建物ユニットの上記妻側天井梁にねじりモーメントが発生しないものになり、その天井梁を一層補強できる。
(c)上階建物ユニットの柱脚、及び妻側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの妻側天井梁の中間部、該ベースプレート及び上階建物ユニットの妻側床梁の接続ピースをボルト締結するとともに、上階建物ユニットの桁側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの受けプレート、該ベースプレート、及び上階建物ユニットの桁側床梁の接続ピースをボルト締結した。これにより、下階建物ユニットの妻側天井梁の中間部及び受けプレートと、上階建物ユニットの妻側床梁の接続ピース及び桁側床梁の接続ピースとが、ベースプレートを介して一体結合され、下階建物ユニットの相対する各妻側天井梁のそれぞれを一層強固に補強できる。下階建物ユニットの相対する妻側天井梁を結ぶ補強梁を設けることなく、セットバック配置された上階建物ユニットが搭載される下階建物ユニットの天井面の利用に制約を与えることなく、簡素な構造によりその天井梁を強固に補強できる。
（請求項２）
(d)ベースプレートを異形状とすることにより、上階建物ユニットの柱脚、及び妻側床梁の接続ピースと、上階建物ユニットの桁側床梁の接続ピースとを単一のベースプレートに併せ備えることができる。 (Claim 1)
(a) The shear strength and torsional strength of the wife side ceiling beam can be reinforced only by fitting the closing plate into the space in the cross section of the C-shaped steel that constitutes the wife side ceiling beam of the lower floor building unit .
(b) A receiving plate that is fixed to the closing plate of (a) and extends inward of the unit perpendicular to the wife side ceiling beam is provided, and this receiving plate supports the girder side floor beam of the upper floor building unit. As a result, no torsional moment is generated in the above-mentioned wife side ceiling beam of the lower floor building unit, and the ceiling beam can be further reinforced.
(c) Place the column base of the upper floor building unit and the connection piece of the floor floor beam on the base plate, and the middle part of the floor ceiling beam of the lower floor building unit, the base side of the base floor and the upper floor building unit The floor beam connecting piece is bolted and the upper floor building unit girder floor beam connecting piece is placed on the base plate, the lower floor building unit receiving plate, the base plate, and the upper floor building unit girder side The floor beam connecting piece was bolted. As a result, the intermediate part and the receiving plate of the wife side ceiling beam of the lower floor building unit and the connection piece of the wife side floor beam and the connection piece of the girder side floor beam of the upper floor building unit are integrally coupled via the base plate. In addition, it is possible to reinforce each of the opposing ceiling beams on the lower floor building unit more firmly. Simplified without limiting the use of the ceiling surface of the lower-floor building unit on which the upper-floor building unit mounted in the set-back arrangement is installed, without providing a reinforcing beam that connects the opposite-side ceiling beams of the lower-floor building unit The ceiling beam can be firmly reinforced by a simple structure.
(Claim 2)
(d) By making the base plate differently shaped, the column base of the upper floor building unit and the connection piece of the gable side floor beam and the connection piece of the girder side floor beam of the upper floor building unit are combined into a single base plate. Can be provided.
（請求項３）
(e)補強手段を構成する閉塞プレートが、プレート本体の上下端部から側方に突出する上下の突片を備え、上下の突片を前記天井梁を構成するＣ形鋼における上下のフランジの内面に嵌合してなるものとすることにより、閉塞プレートの嵌着組込み性を向上できる。 (Claim 3 )
(e) The closing plate constituting the reinforcing means is provided with upper and lower projecting pieces projecting laterally from the upper and lower end portions of the plate body, and the upper and lower projecting pieces of the upper and lower flanges in the C-shaped steel constituting the ceiling beam. By fitting to the inner surface, it is possible to improve the fitting and mounting property of the closing plate.
(e)補強手段を構成する閉塞プレートが、プレート本体の上下端部から側方に突出する上下の突片を備え、上下の突片を前記天井梁を構成するＣ形鋼における上下のフランジの内面に嵌合してなるものとすることにより、閉塞プレートの嵌着組込み性を向上できる。 (Claim 3 )
(e) The closing plate constituting the reinforcing means is provided with upper and lower projecting pieces projecting laterally from the upper and lower end portions of the plate body, and the upper and lower projecting pieces of the upper and lower flanges in the C-shaped steel constituting the ceiling beam. By fitting to the inner surface, it is possible to improve the fitting and mounting property of the closing plate.
（請求項４）
(f)補強手段を構成する受けプレートが、前記閉塞プレートにボルト接合される取付板部と、取付板部の両側縁部に直交配置されて溶接される２枚の側板部と、２枚の側板部の上縁部に載架されて溶接される受け板部とからなるものとすることにより、受けプレートの取付性、上階建物ユニットの桁側床梁の搭載性を向上できる。 (Claim 4)
(f) a receiving plate constituting the reinforcing means includes a mounting plate portion that is bolted to the closing plate, two side plate portions that are orthogonally disposed on both side edges of the mounting plate portion, and are welded. By including the receiving plate portion that is mounted on the upper edge portion of the side plate portion and is welded, the mounting property of the receiving plate and the mounting property of the girder-side floor beam of the upper floor building unit can be improved.
(f)補強手段を構成する受けプレートが、前記閉塞プレートにボルト接合される取付板部と、取付板部の両側縁部に直交配置されて溶接される２枚の側板部と、２枚の側板部の上縁部に載架されて溶接される受け板部とからなるものとすることにより、受けプレートの取付性、上階建物ユニットの桁側床梁の搭載性を向上できる。 (Claim 4)
(f) a receiving plate constituting the reinforcing means includes a mounting plate portion that is bolted to the closing plate, two side plate portions that are orthogonally disposed on both side edges of the mounting plate portion, and are welded. By including the receiving plate portion that is mounted on the upper edge portion of the side plate portion and is welded, the mounting property of the receiving plate and the mounting property of the girder-side floor beam of the upper floor building unit can be improved.
（請求項５）
(g)下階建物ユニットの上にセットバック配置された上階建物ユニットを搭載するユニット建物において、下階建物ユニットの天井梁を上述(a)〜(f)により補強できる。 (Claim 5)
(g) In a unit building in which an upper-floor building unit set back arranged on a lower-floor building unit is mounted, the ceiling beam of the lower-floor building unit can be reinforced by the above (a) to (f) .
(g)下階建物ユニットの上にセットバック配置された上階建物ユニットを搭載するユニット建物において、下階建物ユニットの天井梁を上述(a)〜(f)により補強できる。 (Claim 5)
(g) In a unit building in which an upper-floor building unit set back arranged on a lower-floor building unit is mounted, the ceiling beam of the lower-floor building unit can be reinforced by the above (a) to (f) .
図１はユニット建物を示す模式図、図２は下階建物ユニットの天井梁の補強構造を示す斜視図、図３は下階建物ユニットへの上階建物ユニットの搭載状態を示す側面図、図４は図３の平面図、図５は図３のV−V線に沿う断面図、図６は下階建物ユニットの天井梁の上に設けるベースプレートを示す斜視図、図７は下階建物ユニットの天井梁の補強構造の変形例を示す斜視図である。
1 is a schematic view showing a unit building, FIG. 2 is a perspective view showing a reinforcing structure of a ceiling beam of a lower floor building unit, and FIG. 3 is a side view showing a mounting state of the upper floor building unit on the lower floor building unit. 4 is a plan view of FIG. 3, FIG. 5 is a cross-sectional view taken along line V-V of FIG. 3, FIG. 6 is a perspective view showing a base plate provided on the ceiling beam of the lower floor building unit, and FIG. It is a perspective view which shows the modification of the reinforcement structure of the ceiling beam of.
図１はユニット建物１００の一部を示すものであり、標準建物ユニット１０と、セットバック配置された建物ユニット２０を上下に隣接して構築されたものである。
FIG. 1 shows a part of a unit building 100, which is constructed by vertically adjoining a standard building unit 10 and a building unit 20 arranged in a setback.
標準建物ユニット１０は、図１〜図６に示す如く、各４本の床梁１１、柱１２、天井梁１３を直方体状に接合した骨組構造体であり、柱１２の柱脚に接続ピース１２Ａを介して床梁１１を接合し、柱１２の柱頭に接続ピース１２Ｂを介して天井梁１３を接合している。
1 to 6, the standard building unit 10 is a frame structure in which four floor beams 11, columns 12, and ceiling beams 13 are joined in a rectangular parallelepiped shape, and a connecting piece 12A is connected to a column base of the column 12. The floor beam 11 is joined via the ceiling, and the ceiling beam 13 is joined to the top of the pillar 12 via the connection piece 12B.
セットバック配置された建物ユニット２０は、各４本の床梁２１、柱２２、天井梁２３を直方体状に接合した骨組構造体であり、柱２２の柱脚に接続ピース２２Ａを介して床梁２１を接合し、柱２２の柱頭に接続ピース２２Ｂを介して天井梁２３を接合している。
The building unit 20 arranged in a setback is a frame structure in which each of the four floor beams 21, columns 22, and ceiling beams 23 are joined in a rectangular parallelepiped shape. The floor beams are connected to the column bases of the columns 22 via connection pieces 22A. 21 is joined, and the ceiling beam 23 is joined to the top of the pillar 22 via the connection piece 22B.
標準建物ユニット１０とセットバック配置された建物ユニット２０は、それらの桁方向長さ（長辺側の床梁１１と天井梁１３の長さ、床梁２１と天井梁２３の長さ）を同じにし、セットバック配置された建物ユニット２０の妻方向長さ（短辺側の床梁２１と天井梁２３の長さ）を標準建物ユニット１０の妻方向長さ（短辺側の床梁１１と天井梁１３の長さ）より小さくしている。
The standard building unit 10 and the building unit 20 in the setback arrangement have the same girder direction length (the length of the floor beam 11 and the ceiling beam 13 on the long side, the length of the floor beam 21 and the ceiling beam 23). The length of the building unit 20 in the set-back arrangement (the length of the floor beam 21 and the ceiling beam 23 on the short side) is set to the length of the standard building unit 10 (the length of the floor beam 11 on the short side). The length of the ceiling beam 13 is smaller.
ユニット建物１００は、下階建物ユニット１０Ａの妻側天井梁１３（短辺側の天井梁１３）の中間部の上に、セットバック配置された上階建物ユニット２０Ａの桁側前面（長辺側の床梁２１と天井梁２３を含む前面）の柱脚を搭載している。これにより、セットバック配置された上階建物ユニット２０Ａの前面は下階建物ユニット１０Ａの前面に対しそれらの妻方向長さの差分だけ後退配置される。図１のユニット建物１００は、１階建物ユニット１０Ａの上に２階のセットバック配置された上階建物ユニット２０Ａを搭載したものであるが、本発明では、２階建物ユニット１０Ａの上に３階のセットバック配置された上階建物ユニット２０Ａを搭載するもの、又は１階建物ユニット１０Ａの上に２階と３階のセットバック配置された上階建物ユニット２０Ａを搭載するものであっても良い。
The unit building 100 is a front side (long side side) of the upper floor building unit 20A set back arranged on the middle part of the wife side ceiling beam 13 (short side ceiling beam 13) of the lower floor building unit 10A. The column base of the front surface including the floor beam 21 and the ceiling beam 23 is mounted. Thereby, the front surface of the upper floor building unit 20A that is set back is disposed backward relative to the front surface of the lower floor building unit 10A by the difference in the length in the wife direction. The unit building 100 shown in FIG. 1 has an upper-floor building unit 20A on the first-floor building unit 10A mounted on the second floor in a set-back arrangement. Even if the upper-floor building unit 20A arranged in the setback of the floor is mounted, or the upper-floor building unit 20A disposed in the setback of the second and third floors is mounted on the first-floor building unit 10A good.
尚、ユニット建物１００において、下階建物ユニット１０Ａは相対する妻側天井梁１３に架け渡される複数本の天井根太１４を有し、それらの天井根太１４の下面に天井板１５を設けている。上階建物ユニット２０Ａは相対する妻側床梁２１に架け渡される複数本の床根太２４を有し、それらの床根太２４の上面に床板２５を設けている。
In the unit building 100, the lower-floor building unit 10 </ b> A has a plurality of ceiling joists 14 that are spanned over the opposite wife-side ceiling beams 13, and a ceiling plate 15 is provided on the lower surface of the ceiling joists 14. The upper-floor building unit 20 </ b> A has a plurality of floor joists 24 that are spanned over the opposite wife-side floor beams 21, and a floor plate 25 is provided on the upper surface of the floor joists 24.
ユニット建物１００は、図６に示す如く、下階建物ユニット１０Ａの妻側天井梁１３の中間部の上に、異形状ベースプレート１６の一部を載せ、このベースプレート１６の上に上階建物ユニット２０Ａの柱２２の柱脚、妻側床梁２１の接続ピース２２Ａを載せ、下階建物ユニット１０Ａの妻側天井梁１３の中間部、ベースプレート１６及び上階建物ユニット２０Ａの妻側床梁２１の接続ピース２２Ａを高力ボルト１７及び上下のワッシャ１７Ａ、１７Ａにより締結する。また、ユニット建物１００は、下階建物ユニット１０Ａの後述する受けプレート５０の受け板部５３の上に、前記ベースプレート１６の残部を載せ、このベースプレート１６の上に上階建物ユニット２０Ａの桁側床梁２１の接続ピース２２Ａを載せ、下階建物ユニット１０Ａの受けプレート５０の受け板部５３、ベースプレート１６及び上階建物ユニット２０Ａの桁側床梁２１の接続ピース２２Ａを高力ボルト１８及び上下のワッシャ１８Ａ、１８Ａにより締結する。
As shown in FIG. 6, the unit building 100 has a part of the deformed base plate 16 placed on the middle part of the wife side ceiling beam 13 of the lower floor building unit 10 </ b> A, and the upper floor building unit 20 </ b> A on the base plate 16. The column base of the pillar 22 and the connecting piece 22A of the wife side floor beam 21 are placed, and the middle part of the wife side ceiling beam 13 of the lower floor building unit 10A, the base plate 16 and the wife side floor beam 21 of the upper floor building unit 20A are connected. The piece 22A is fastened by the high strength bolt 17 and the upper and lower washers 17A and 17A. In the unit building 100, the rest of the base plate 16 is placed on a receiving plate portion 53 of a receiving plate 50 (to be described later) of the lower floor building unit 10A, and the girder floor of the upper building unit 20A is placed on the base plate 16. The connecting piece 22A of the beam 21 is placed, and the connecting plate 22 of the receiving plate 50 of the lower floor building unit 10A, the base plate 16 and the connecting piece 22A of the beam side floor beam 21 of the upper floor building unit 20A are connected to the high strength bolt 18 and the upper and lower parts. Fasten with washers 18A and 18A.
しかるに、ユニット建物１００は、セットバック配置された上階建物ユニット２０Ａが搭載された下階建物ユニット１０Ａの天井梁１３を、中柱等によることなく補強するため、下記(1)、(2)の補強構造を有する。
However, since the unit building 100 reinforces the ceiling beam 13 of the lower-floor building unit 10A on which the upper-floor building unit 20A that is set back is mounted without using a middle pillar, the following (1), (2) It has a reinforcing structure.
(1)上階建物ユニット２０Ａの前面の柱２２の柱脚が搭載される下階建物ユニット１０Ａの妻側天井梁１３の中間部に補強手段３０を設ける。
(1) Reinforcing means 30 is provided in the middle part of the wife side ceiling beam 13 of the lower floor building unit 10A on which the column base of the column 22 on the front surface of the upper floor building unit 20A is mounted.
補強手段３０は、図２、図５、図６に示す如く、下階建物ユニット１０Ａの妻側天井梁１３を構成するＣ形鋼における、該天井梁１３のユニット内側に臨むＣ字開口を形成する上下のフランジ間に嵌着される閉塞プレート４０からなる。
As shown in FIGS. 2, 5, and 6, the reinforcing means 30 forms a C-shaped opening facing the inside of the ceiling beam 13 in the C-shaped steel constituting the end-side ceiling beam 13 of the lower floor building unit 10 </ b> A. The closing plate 40 is fitted between upper and lower flanges.
閉塞プレート４０は、矩形状平板からなるプレート本体４１の上下端部を直角に折り曲げた曲げ成形体であり、プレート本体４１の上下端部から側方に突出する上下の突片４２、４２を備え、上下の突片４２、４２を上記妻側天井梁１３を構成するＣ形鋼における上下のフランジの内面に嵌合するものである。プレート本体４１の上下の突片４２、４２が折り曲げられたＲ外面が天井梁１３の上下のフランジの内面に溶接されて固定される。
The closing plate 40 is a bent molded body in which the upper and lower ends of a plate body 41 made of a rectangular flat plate are bent at right angles, and includes upper and lower projecting pieces 42 and 42 projecting sideways from the upper and lower ends of the plate body 41. The upper and lower protrusions 42 and 42 are fitted to the inner surfaces of the upper and lower flanges of the C-shaped steel constituting the end-side ceiling beam 13. The R outer surface where the upper and lower protrusions 42, 42 of the plate body 41 are bent is welded and fixed to the inner surfaces of the upper and lower flanges of the ceiling beam 13.
(2)補強手段３０は、上述(1)の閉塞プレートに加えて、受けプレート５０を併せ有する。受けプレート５０は閉塞プレート４０のプレート本体４１に固定され、下階建物ユニット１０Ａの妻側天井梁１３に直交するユニット内側方向へ延在する。下階建物ユニット１０Ａの上記妻側天井梁１３に載置される上階建物ユニット２０Ａの妻側床梁２１に直交する桁側床梁２１が、受けプレート５０に搭載される。
(2) The reinforcing means 30 has a receiving plate 50 in addition to the closing plate described in (1) above. The receiving plate 50 is fixed to the plate main body 41 of the closing plate 40 and extends inward of the unit perpendicular to the wife side ceiling beam 13 of the lower floor building unit 10A. A girder-side floor beam 21 orthogonal to the wife-side floor beam 21 of the upper-floor building unit 20A placed on the wife-side ceiling beam 13 of the lower-floor building unit 10A is mounted on the receiving plate 50.
受けプレート５０は、溶接構造体であり、閉塞プレート４０のプレート本体４１に高力ボルト１９により接合される矩形状平板からなる取付板部５１と、取付板部５１の両側縁部に直交配置されて溶接される２枚の三角形状平板からなる側板部５２、５２と、２枚の側板部５２、５２の上縁部に載架されて溶接される矩形状平板からなる受け板部５３とからなる。上階建物ユニット２０Ａの桁側床梁２１の接続ピース２２Ａが、前述の如く、ベースプレート１６を介して、受けプレート５０の受け板部５３の上に載り、高力ボルト及び上下のワッシャ１８Ａ、１８Ａにより締結される。
The receiving plate 50 is a welded structure, and is disposed orthogonally to a mounting plate portion 51 made of a rectangular flat plate joined to the plate body 41 of the closing plate 40 by a high-strength bolt 19 and both side edges of the mounting plate portion 51. From side plate portions 52, 52 made of two triangular flat plates and welded to each other, and receiving plate portion 53 made of a rectangular flat plate mounted on the upper edge of the two side plate portions 52, 52 and welded. Become. As described above, the connection piece 22A of the girder-side floor beam 21 of the upper floor building unit 20A is placed on the receiving plate portion 53 of the receiving plate 50 through the base plate 16, and the high-strength bolts and the upper and lower washers 18A, 18A. It is concluded by.
本実施例によれば以下の作用効果を奏する。
(a)下階建物ユニット１０Ａにおいて、上階建物ユニット２０Ａの前面の柱２２の柱脚が搭載される天井梁１３の中間部の補強手段３０として、該天井梁１３を構成するＣ形鋼における上下のフランジ間に嵌着される閉塞プレート４０を設けた。これにより、下階建物ユニット１０Ａの天井梁１３を構成するＣ形鋼の横断面内のスペースに閉塞プレート４０を嵌着するだけにより、その天井梁１３の剪断強度及びねじり強度を補強できる。従って、下階建物ユニット１０Ａの壁面や天井面の利用に制約を与えることなく、その天井梁１３を補強できる。 According to the present embodiment, the following operational effects can be obtained.
(a) In the lower floor building unit 10A, as a reinforcing means 30 in the middle part of the ceiling beam 13 on which the column base of the front column 22 of the upper floor building unit 20A is mounted, A closing plate 40 fitted between the upper and lower flanges was provided. Thereby, the shear strength and torsional strength of the ceiling beam 13 can be reinforced only by fitting the closing plate 40 in the space in the cross section of the C-shaped steel constituting the ceiling beam 13 of the lower floor building unit 10A. Therefore, the ceiling beam 13 can be reinforced without restricting the use of the wall surface and ceiling surface of the lower floor building unit 10A.
(a)下階建物ユニット１０Ａにおいて、上階建物ユニット２０Ａの前面の柱２２の柱脚が搭載される天井梁１３の中間部の補強手段３０として、該天井梁１３を構成するＣ形鋼における上下のフランジ間に嵌着される閉塞プレート４０を設けた。これにより、下階建物ユニット１０Ａの天井梁１３を構成するＣ形鋼の横断面内のスペースに閉塞プレート４０を嵌着するだけにより、その天井梁１３の剪断強度及びねじり強度を補強できる。従って、下階建物ユニット１０Ａの壁面や天井面の利用に制約を与えることなく、その天井梁１３を補強できる。 According to the present embodiment, the following operational effects can be obtained.
(a) In the lower floor building unit 10A, as a reinforcing means 30 in the middle part of the ceiling beam 13 on which the column base of the front column 22 of the upper floor building unit 20A is mounted, A closing plate 40 fitted between the upper and lower flanges was provided. Thereby, the shear strength and torsional strength of the ceiling beam 13 can be reinforced only by fitting the closing plate 40 in the space in the cross section of the C-shaped steel constituting the ceiling beam 13 of the lower floor building unit 10A. Therefore, the ceiling beam 13 can be reinforced without restricting the use of the wall surface and ceiling surface of the lower floor building unit 10A.
(b)上述(a)の補強手段３０を構成する閉塞プレート４０が、プレート本体４１の上下端部から側方に突出する上下の突片４２を備え、上下の突片４２を前記天井梁１３を構成するＣ形鋼における上下のフランジの内面に嵌合してなるものとすることにより、閉塞プレート４０の嵌着組込み性を向上できる。
(b) The closing plate 40 constituting the reinforcing means 30 of the above (a) includes upper and lower projecting pieces 42 projecting sideways from the upper and lower ends of the plate body 41, and the upper and lower projecting pieces 42 are connected to the ceiling beam 13. By fitting to the inner surfaces of the upper and lower flanges in the C-shaped steel constituting the structure, the fitting and assembling property of the closing plate 40 can be improved.
(c)上述(a)の補強手段３０が、上述(a)の閉塞プレート４０に固定されて該天井梁１３に直交するユニット内側方向へ延在する受けプレート５０とからなり、上階建物ユニット２０Ａの桁側床梁２１が受けプレート５０に搭載されるものとした。上階建物ユニット２０Ａの桁側床梁２１を上記受けプレート５０に搭載したから、下階建物ユニット１０Ａの上記天井梁１３にねじりモーメントが発生しないものになり、その天井梁１３を一層補強できる。
(c) The reinforcing means 30 of the above (a) includes a receiving plate 50 fixed to the closing plate 40 of the above (a) and extending inwardly of the unit perpendicular to the ceiling beam 13, and an upper floor building unit. It is assumed that the 20A girder floor beam 21 is mounted on the receiving plate 50. Since the girder floor beam 21 of the upper building unit 20A is mounted on the receiving plate 50, no torsional moment is generated in the ceiling beam 13 of the lower building unit 10A, and the ceiling beam 13 can be further reinforced.
(d)上述(c)の補強手段３０を構成する受けプレート５０が、前記閉塞プレート４０にボルト接合される取付板部５１と、取付板部５１の両側縁部に直交配置されて溶接される２枚の側板部５２と、２枚の側板部５２の上縁部に載架されて溶接される受け板部５３とからなるものとすることにより、受けプレート５０の取付性、上階建物ユニット２０Ａの桁側床梁２１の搭載性を向上できる。
(d) The receiving plate 50 constituting the reinforcing means 30 of the above (c) is welded by being arranged orthogonally to the mounting plate portion 51 that is bolted to the closing plate 40 and both side edges of the mounting plate portion 51. By comprising two side plate portions 52 and a receiving plate portion 53 that is mounted on and welded to the upper edge portion of the two side plate portions 52, the mounting property of the receiving plate 50, the upper building unit The mountability of the 20A girder floor beam 21 can be improved.
(e)下階建物ユニット１０Ａの上にセットバック配置された上階建物ユニット２０Ａを搭載するユニット建物１００において、下階建物ユニット１０Ａの天井梁１３を上述(a)〜(d)により補強できる。
(e) In the unit building 100 that mounts the upper floor building unit 20A that is set back on the lower floor building unit 10A, the ceiling beam 13 of the lower floor building unit 10A can be reinforced by the above-described (a) to (d). .
図７は、前述のユニット建物１００を構成する下階建物ユニット１０Ａの妻側天井梁１３の中間部の補強手段３０の変形例を示すものである。この変形例の補強手段３０は、前述の閉塞プレート４０のみからなり、受けプレート５０を伴わないものである。この変形例によれば、前述の実施例による(a)、(b)、(e)の作用効果を奏する。
FIG. 7 shows a modification of the reinforcing means 30 in the middle part of the end-side ceiling beam 13 of the lower-floor building unit 10 </ b> A constituting the unit building 100 described above. The reinforcing means 30 of this modification consists only of the above-mentioned closing plate 40 and is not accompanied by the receiving plate 50. According to this modification, the effects (a), (b), and (e) according to the above-described embodiment are exhibited.
以上、本発明の実施例を図面により詳述したが、本発明の具体的な構成はこの実施例に限られるものではなく、本発明の要旨を逸脱しない範囲の設計の変更等があっても本発明に含まれる。
The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.
１０Ａ 下階建物ユニット
１３ 天井梁
１６ ベースプレート
１７、１８ ボルト
２０Ａ 上階建物ユニット
２１ 床梁
２２ 柱
２２Ａ 接続ピース
３０ 補強手段
４０ 閉塞プレート
４１ プレート本体
４２ 突片
５０ 受けプレート
５１ 取付板部
５２ 側板部
５３ 受け板部 10A Lower floor building unit 13 Ceiling beam
16 Base plate
17, 18 Bolt 20A Upper floor building unit 21 Floor beam 22 Pillar
22A Connection piece 30 Reinforcing means 40 Closure plate 41 Plate body 42 Projection piece 50 Receiving plate 51 Mounting plate portion 52 Side plate portion 53 Receiving plate portion
１３ 天井梁
１６ ベースプレート
１７、１８ ボルト
２０Ａ 上階建物ユニット
２１ 床梁
２２ 柱
２２Ａ 接続ピース
３０ 補強手段
４０ 閉塞プレート
４１ プレート本体
４２ 突片
５０ 受けプレート
５１ 取付板部
５２ 側板部
５３ 受け板部 10A Lower floor building unit 13 Ceiling beam
16 Base plate
17, 18 Bolt 20A Upper floor building unit 21 Floor beam 22 Pillar
22A Connection piece 30 Reinforcing means 40 Closure plate 41 Plate body 42 Projection piece 50 Receiving plate 51 Mounting plate portion 52 Side plate portion 53 Receiving plate portion
Claims (5)
- 上階建物ユニットがセットバック配置されて搭載される建物ユニットの補強構造において、
上階建物ユニットの前面の柱脚が搭載される妻側天井梁の中間部に補強手段を設け、
前記補強手段が、前記妻側天井梁を構成するＣ形鋼における上下のフランジ間に嵌着される閉塞プレートと、該閉塞プレートに固定されて該妻側天井梁に直交するユニット内側方向へ延在する受けプレートとからなり、
前記妻側天井梁の中間部及び受けプレートの上にベースプレートを載せ、
上階建物ユニットの柱脚、及び妻側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの妻側天井梁の中間部、該ベースプレート及び上階建物ユニットの妻側床梁の接続ピースをボルト締結するとともに、上階建物ユニットの桁側床梁の接続ピースを上記ベースプレートの上に載せ、下階建物ユニットの受けプレート、該ベースプレート、及び上階建物ユニットの桁側床梁の接続ピースをボルト締結することを特徴とする建物ユニットの補強構造。 In the reinforcement structure of the building unit in which the upper floor building unit is set back and mounted,
Reinforcement means are provided in the middle part of the wife side ceiling beam where the front column base of the upper floor building unit is mounted,
The reinforcing means includes a closing plate that is fitted between upper and lower flanges of the C-shaped steel that constitutes the wife side ceiling beam, and extends inward of the unit that is fixed to the closing plate and orthogonal to the wife side ceiling beam. Consisting of the existing receiving plate,
Place a base plate on the middle part of the wife side ceiling beam and the receiving plate,
The column base of the upper floor building unit and the connecting piece of the floor floor beam are placed on the base plate, and the middle part of the floor ceiling beam of the lower floor building unit, the floor floor beam of the upper floor building unit, The connection piece is fastened with bolts, and the connection piece of the girder side floor beam of the upper floor building unit is placed on the base plate, and the receiving plate of the lower floor building unit, the base plate, and the girder side floor beam of the upper floor building unit are placed. A reinforcing structure for a building unit, wherein the connecting piece is bolted . - 前記ベースプレートが、上階建物ユニットの柱脚、及び妻側床梁の接続ピースを載せる部分と、上階建物ユニットの桁側床梁の接続ピースを載せる部分とを備えた異形状をなす請求項１に記載の建物ユニットの補強構造。 The base plate has an irregular shape including a portion on which a connection base of a column base and a wife side floor beam of an upper floor building unit is placed and a portion on which a connection piece of a girder side floor beam of the upper floor building unit is placed. The building unit reinforcement structure according to 1.
- 前記閉塞プレートが、プレート本体の上下端部から側方に突出する上下の突片を備え、上下の突片を前記妻側天井梁を構成するＣ形鋼における上下のフランジの内面に嵌合してなる請求項１又は２に記載の建物ユニットの補強構造。 The closing plate is provided with upper and lower projecting pieces projecting laterally from the upper and lower ends of the plate body, and the upper and lower projecting pieces are fitted to the inner surfaces of the upper and lower flanges of the C-shaped steel constituting the wife side ceiling beam. The reinforcing structure for a building unit according to claim 1 or 2.
- 前記受けプレートが、前記閉塞プレートにボルト接合される取付板部と、取付板部の両側縁部に直交配置されて溶接される２枚の側板部と、２枚の側板部の上縁部に載架されて溶接される受け板部とからなる請求項１〜３のいずれかに記載の建物ユニットの補強構造。 The receiving plate is attached to the mounting plate portion that is bolted to the closing plate, two side plate portions that are orthogonally disposed on both side edge portions of the mounting plate portion, and welded to the upper edge portion of the two side plate portions. The reinforcing structure for a building unit according to any one of claims 1 to 3, further comprising a receiving plate portion mounted and welded.
- 請求項１〜４のいずれかに記載の建物ユニットの補強構造が適用された下階建物ユニットの妻側天井梁の中間部の上に、セットバック配置された上階建物ユニットの前面の柱脚を搭載してなるユニット建物。 The column base of the front of the upper-floor building unit set back arrangement | positioning on the intermediate part of the wife side ceiling beam of the lower-floor building unit to which the reinforcement structure of the building unit in any one of Claims 1-4 was applied Unit building that is equipped with.
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| CN111512004A (en) * | 2017-12-25 | 2020-08-07 | 日商日建租赁工业株式会社 | Simple house |
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