JP3819544B2

JP3819544B2 - Building unit and unit building

Info

Publication number: JP3819544B2
Application number: JP17820597A
Authority: JP
Inventors: 泰宏余田
Original assignee: Sekisui Chemical Co Ltd
Current assignee: Sekisui Chemical Co Ltd
Priority date: 1997-07-03
Filing date: 1997-07-03
Publication date: 2006-09-13
Anticipated expiration: 2017-07-03
Also published as: JPH1122017A

Description

【０００１】
【発明の属する技術分野】
本発明は、建物ユニット及びユニット建物に関する。
【０００２】
【従来の技術】
従来、特開平7-292779号公報に記載の如くの建物ユニットがある。この建物ユニットは、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁の少なくとも一部に小梁成部を備えてなるものである。この建物ユニットによれば、天井梁の少なくとも一部を小梁成部とすることにより、建物ユニット内の天井高さを部分的に拡大できる。
【０００３】
【発明が解決しようとする課題】
本発明の課題は、建物ユニットを構成する梁の少なくとも一部に小梁成部を設けるに際し、建物ユニットに一定の強度を確保することにある。
【０００４】
【課題を解決するための手段】
請求項１に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁の少なくとも一部に小梁成部を備えてなる建物ユニットにおいて、前記梁の小梁成部を間柱により支持してなるとともに、前記梁がウエブと上下のフランジとを有してなり、下フランジは該梁の小梁成部でウエブの高さ方向の中間部に設けられるようにしたものである。
【０００５】
請求項２に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁の少なくとも一部に小梁成部を備えてなる建物ユニットにおいて、前記梁の小梁成部を間柱により支持してなるとともに、前記梁がウエブと上下のフランジとを有してなり、下フランジは該梁の小梁成部でウエブに対する付け根から上フランジ寄りに向けて傾斜してなるようにしたものである。
【０００６】
請求項３に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁の少なくとも一部に小梁成部を備えてなる建物ユニットにおいて、前記梁の小梁成部を間柱により支持してなるとともに、前記梁が合せ梁からなり、該梁の小梁成部で該合せ梁の下面が傾斜してなるようにしたものである。
【０００７】
請求項４に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁に小梁成部と大梁成部とを備えてなる建物ユニットにおいて、前記梁の大梁成部を間柱により支持してなるとともに、前記梁がウエブと上下のフランジとを有してなり、下フランジは該梁の小梁成部でウエブの高さ方向の中間部に設けられるようにしたものである。
【０００８】
請求項５に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁に小梁成部と大梁成部とを備えてなる建物ユニットにおいて、前記梁の大梁成部を間柱により支持してなるとともに、前記梁がウエブと上下のフランジとを有してなり、下フランジは該梁の小梁成部でウエブに対する付け根から上フランジ寄りに向けて傾斜してなるようにしたものである。
【０００９】
請求項６に記載の本発明は、複数の柱と複数の梁とを接合した骨組構造体からなり、複数の梁のうちの少なくとも１本の梁に小梁成部と大梁成部とを備えてなる建物ユニットにおいて、前記梁の大梁成部を間柱により支持してなるとともに、前記梁が合せ梁からなり、該梁の小梁成部で該合せ梁の下面が傾斜してなるようにしたものである。
【００１０】
請求項７に記載の本発明は、請求項１〜６のいずれかに記載の本発明において更に、前記梁の小梁成部が該梁の長手方向の中間部にあるようにしたものである。
【００１１】
請求項８に記載の本発明は、請求項１〜６のいずれかに記載の本発明において更に、前記梁の小梁成部が階段室を区画形成するようにしたものである。
請求項９に記載の本発明は、複数の建物ユニットからなるユニット建物において、請求項１〜６のいずれかに記載の建物ユニットを用いてなるようにしたものである。
【００１２】
【作用】
請求項１〜３に記載の本発明によれば下記(a)の作用がある。
(a)梁の小梁成部を間柱により支持することにより、小梁成部を設けたことによる建物ユニットの強度低下を補強できる。
【００１３】
請求項４〜６に記載の本発明によれば下記(b)の作用がある。
(b)梁の小梁成部に続く大梁成部を間柱により支持することにより、小梁成部を設けた
ことによる建物ユニットの強度低下を補強できる。
【００１４】
請求項１、４に記載の本発明によれば下記(c)の作用がある。
(c) 梁の小梁成部で下フランジをウエブの高さ方向の中間部に設け、ウエブ高さを可及的に大きくして小梁成部の断面性能を確保しながら、下フランジを上フランジ寄りに持ち上げることにより、小梁成部において下フランジが形成する実質的な梁成を小さくできる。
【００１５】
請求項２、５に記載の本発明によれば下記(d)の作用がある。
(d) 梁の小梁成部で下フランジをウエブに対する付け根から上フランジ寄りに向けて傾斜せしめ、ウエブ高さを可及的に大きくして小梁成部の断面性能を確保しながら、下フランジを上フランジ寄りに屈曲させることにより、小梁成部において下フランジが形成する実質的な梁成を小さくできる。
【００１６】
請求項３、６に記載の本発明によれば下記(e)の作用がある。
(e) 梁の小梁成部で合せ梁の下面を傾斜せしめ、合せ梁の最大高さを可及的に大きくして小梁成部の断面性能を確保しながら、合せ梁の下面を上向きに傾斜させることにより、小梁成部において合せ梁の下面が形成する実質的な梁成を小さくできる。
【００１７】
請求項７に記載の本発明によれば下記(f)の作用がある。
(f) 梁の小梁成部が該梁の長手方向の中間部にある場合にも、上記 (a) 又は (b) により、
小梁成部を設けたことによる建物ユニットの強度低下を補強できる。
【００１８】
請求項８に記載の本発明によれば下記(g)の作用がある。
(g) 梁の小梁成部が階段室を区画形成するとき、階段室の有効天井高さを大きくとることができる。
【００１９】
請求項９に記載の本発明によれば下記(e)の作用がある。
(e)ユニット建物において、梁の少なくとも一部に小梁成部を備えてなる建物ユニット
を用いるに際し、上記(a) 〜 (g)により、当該建物ユニットに一定の強度を確保できる。
【００２０】
【発明の実施の形態】
図１はユニット建物を示す模式図、図２は特殊建物ユニットを示す模式図、図３は階段室の天井高さを示す模式図、図４は特殊建物ユニットのジョイントピースを示す模式図、図５は特殊建物ユニットの小梁成部と大梁成部との接合構造を示す模式図、図６は小梁成部の接合部を示す模式図、図７は間柱の接合構造を示す模式図、図８は相隣る建物ユニットの天井梁接合構造を示す模式図、図９は相隣る建物ユニットの天井梁化粧構造を示す模式図、図１０はユニット建物を示す模式図、図１１は特殊建物ユニットを示す模式図、図１２はユニット建物を示す模式図、図１３は梁を示す模式図、図１４は標準建物ユニットを示す模式図である。
【００２１】
ユニット建物１Ａは、図１に示す如く、複数の建物ユニットを左右上下に据付けて構築されるものであり、それらの建物ユニットの一部である標準建物ユニット１０Ａと特殊建物ユニット１０Ｂとを隣接配置し、両建物ユニット１０Ａ、１０Ｂに渡る階段室５０を形成可能としている（図３）。
【００２２】
標準建物ユニット１０Ａは、図１４に示す如く、各４本の角鋼管製柱１１と形鋼製床梁１２と形鋼製天井梁１３とを箱形に接合した骨組構造体である。
【００２３】
特殊建物ユニット１０Ｂは、標準建物ユニット１０Ａにおける４本の天井梁１３のうちの１本の天井梁１３Ａを、大梁成部１５と小梁成部１６とし、小梁成部１６とこれに相対する床梁１２との間に間柱１７を設け、小梁成部１６とこれに相対する天井梁１３との間に補強梁１８を設けたものである。そして、特殊建物ユニット１０Ｂは、天井梁１３Ａの小梁成部１６により階段室５０の天井部を区画形成するものとした（図３）。
【００２４】
特殊建物ユニット１０Ｂにおいて、小梁成部１６は天井梁１３Ａの長手方向の一端部に設けられ、天井梁１３Ａの他の部分を大梁成部１５としている。そして、天井梁１３Ａの大梁成部１５は、他の天井梁１３と同一の梁成を備え、小梁成部１６は大梁成部１５より梁成を小としている。
【００２５】
天井梁１３Ａの小梁成部１６は、ウエブ１６Ａの上下端のそれぞれに上下のフランジ１６Ｂ、１６Ｃを備える形鋼からなり、一端部を上下のジョイントピース１９、１９により柱１１の側面に、他端部をジョイント金物２０により大梁成部１５の端面に接合されている。
【００２６】
上下のジョイントピース１９、１９は、図４に示す如く、ウエブ１９Ａとフランジ１９ＢからなるＬ型板からなり、それらのウエブ１９Ａ、フランジ１９Ｂを外側に置く対向状態で柱１１の側面に溶接され、小梁成部１６の一端部を抱き込み状態で溶接して支持する。上下のジョイントピース１９、１９は、フランジ１９Ｂ（必要によりウエブ１９Ａも）に図４（Ａ）、（Ｂ）に示す如くの開先１９Ｃを施され、その内側面に裏あて金１９Ｄを備えて溶接垂れを防ぐ。
【００２７】
特殊建物ユニット１０Ｂは、図５（Ａ）、図６に示す如く、大梁成部１５の端面に溶接される端板２０Ａと、端板２０Ａの上端部と中間部のそれぞれに溶接される添え板２０Ｂ、２０Ｃと、添え板２０Ｃの裏面と端板２０Ａの下端部との間に溶接される補強板２０Ｄとから構成され、小梁成部１６の他端部を添え板２０Ｂ、２０Ｃに挟んだ状態で端板２０Ａに突き当て溶接して支持する。
【００２８】
尚、ジョイント金物２０は、図５（Ｂ）に示す如くの鋳物製ジョイント金物２１（一体仕口、役物）にて代えることもできる。図５（Ｂ）の鋳物製ジョイント金物２１は、広幅突部２１Ａと狭幅突部２１Ｂを両端のそれぞれに突設し、広幅突部２１Ａに大梁成部１５のウエブ及び上下のフランジの内面を嵌合して溶接し、狭幅突部２１Ｂに小梁成部１６のウエブ１６Ａ及び上下のフランジ１６Ｂ、１６Ｃの内面を嵌合して溶接できる。
【００２９】
間柱１７は、図２に示す如く、上下の両端部のそれぞれに端板２２を備え、この端板２２を、小梁成部１６の下フランジ１６Ｃの下面（もしくは床梁１２の上フランジの上面）にあて、該小梁成部１６の下フランジ１６Ｃの上面（もしくは床梁１２の上フランジの下面）に添設せしめた補強板２３とともに、ボルト２４Ａ、ナット２４Ｂにより締結することにて設けられる。図７（Ｂ）は、図２に対してボルト２４Ａとナット２４Ｂの位置を置換したもの、図７（Ｃ）は、ボルト２４Ａを補強板２３に設けた雌ねじ部に螺合し、ナット２４Ｂを不用としたものである。
【００３０】
然るに、ユニット建物１Ａにあっては、相隣る標準建物ユニット１０Ａの天井梁１３と特殊建物ユニット１０Ｂの天井梁１３Ａの小梁成部１６とを、図８に示す水平接合アングル２５により接合している。水平接合アングル２５は、水平板２５Ａと垂直板２５Ｂと補強リブ２５Ｃとからなり、水平板２５Ａをボルト２６Ａ、ナット２６Ｂにより特殊建物ユニット１０Ｂの天井梁１３Ａの小梁成部１６の下フランジ１６Ｃに接合し、垂直板２５Ｂをボルト２７Ａ、ナット２７Ｂにより標準建物ユニット１０Ａの天井梁１３のウエブに接合している。このとき、標準建物ユニット１０Ａの天井梁１３のウエブの裏面には補強アングル２８が添設され、ボルト２７Ａ、ナット２７Ｂは水平接合アングル２５の垂直板２５Ｂ、標準建物ユニット１０Ａの天井梁１３を、補強アングル２８、座金板２９とともに締結する。
【００３１】
また、ユニット建物１Ａにあっては、相隣る標準建物ユニット１０Ａの天井梁１３と特殊建物ユニット１０Ｂの天井梁１３Ａの小梁成部１６とを水平接合アングル２５で上述の如くに接合した上で、図９に示す如く、特殊建物ユニット１０Ｂの天井梁１３Ａの上フランジ１６Ｂと標準建物ユニット１０Ａの天井梁１３の下フランジとに固定されるボード受け金物３０をそれらの天井梁１３、１３Ａ回りに被着し、このボード受け金物３０に複数の石膏ボード３１をビス止めすることにより、それらの天井梁１３、１３Ａ回りを覆う。相隣る石膏ボード３１、３１の交差コーナー部にはテープ、アングル材等の補強材３２が被着され、その上に仕上げ化粧材が設けられる。
【００３２】
従って、ユニット建物１Ａによれば以下の作用がある。
(1)天井梁１３Ａの小梁成部１６を間柱１７により支持することにより、小梁成部１６を設けたことによる建物ユニット２０の強度低下を補強できる。
【００３３】
(2)天井梁１３Ａの小梁成部１６が階段室５０を区画形成するとき、階段室５０の有効天井高さ（Ｈ）を大きくとることができる（図３（Ａ））。
【００３４】
(3)ユニット建物１Ａにおいて、天井梁１３Ａの少なくとも一部に小梁成部１６を備えてなる建物ユニット２０を用いるに際し、上記(1) 、 (2)により、当該建物ユニット２０に一定の強度を確保できる。
【００３５】
尚、本発明の実施においては、２個の特殊建物ユニット１０Ｂ、１０Ｂを隣接接置し、それらの天井梁１３Ａの小梁成部１６を図３（Ｂ）に示す如くに隣接配置するものとすれば、両建物ユニット１０Ｂ、１０Ｂに連続する広い範囲で天井高さを拡大できる。
【００３６】
ユニット建物１Ｂは、図１０に示す如く、複数の建物ユニットを左右上下に据付けて構築されるものであり、それらの建物ユニットの一部である標準建物ユニット１０Ａと特殊建物ユニット１０Ｃとを隣接配置し、両建物ユニット１０Ａ、１０Ｃに渡る階段室５０を形成可能としている。
【００３７】
特殊建物ユニット１０Ｃは、標準建物ユニット１０Ａにおける４本の天井梁１３のうちの１本の天井梁１３Ａを、両端側の各大梁成部４１、４２と中間部の小梁成部４３とし、小梁成部４３とこれに相対する床梁１２との間に間柱４４を設け、小梁成部４３とこれに相対する天井梁１３との間に２本の補強梁４５、４６を設けたものである。そして、特殊建物ユニット１０Ｃは、天井梁１３Ａの小梁成部４３により階段室５０の天井部を区画形成するものとした。
【００３８】
特殊建物ユニット１０Ｃにおいて、小梁成部４３は天井梁１３Ａの長手方向の中間部に設けられ、天井梁１３Ａの他の部分（両端部）を大梁成部４１、４２としている。そして、天井梁１３Ａの大梁成部４１、４２は、他の天井梁１３と同一の梁成を備え、小梁成部４３は大梁成部４１、４２より梁成を小としている。
【００３９】
天井梁１３Ａの小梁成部４３は、ウエブ４６Ａの上下端のそれぞれに上下のフランジ４６Ｂ、４６Ｃを備える形鋼からなり、一端部をジョイント金物２０により大梁成部４１の端面に、他端部をジョイント金物２０により大梁成部４２の端面に接合されている。尚、ジョイント金物２０は、ユニット建物１Ａにおけるジョイント金物２０と同様である。
【００４０】
また、間柱４４も、ユニット建物１Ａにおける間柱１７と同様である。
【００４１】
また、相隣る標準建物ユニット１０Ａの天井梁１３と特殊建物ユニット１０Ｃの天井梁１３Ａの小梁成部４３とは、ユニット建物１Ａにおけると同様の水平接合アングル２５により接合される。また、相隣る標準建物ユニット１０Ａの天井梁１３と特殊建物ユニット１０Ｃの天井梁１３Ａの小梁成部４３とは、ユニット建物１Ａにおけると同様の仕上げ化粧材により被覆可能とされる。
【００４２】
従って、ユニット建物１Ｂによれば、天井梁１３Ａの小梁成部４３が該天井梁１３Ａの長手方向の中間部に設けられるとき、この小梁成部４３を間柱４４により支持することにより、小梁成部４３を設けたことによる建物ユニット１０Ｃの強度低下を補強できる。
【００４３】
ユニット建物１Ｃが、ユニット建物１Ａと異なる点は、天井梁１３Ａを構成する大梁成部１５と小梁成部１６のうち、大梁成部１５を間柱１７により支持したことのみにある。即ち、ユニット建物１Ｃでは、大梁成部１５とこれに相対する床梁１２との間に間柱１７を設けた。
【００４４】
従って、ユニット建物１Ｃによれば、天井梁１３Ａの小梁成部１６に続く大梁成部１５を間柱１７により支持することにより、小梁成部１６を設けたことによる建物ユニット１０Ｂの強度低下を補強できる。
【００４５】
図１３（Ａ）の梁６０は、前述の特殊建物ユニット１０Ｂ、１０Ｃの天井梁１３Ａに代わるものであり、長手方向の少なくとも一部に小梁成部６１を設けたものである。小梁成部６１は、ウエブ６１Ａと上下のフランジ６１Ｂ、６１Ｃを備え、ウエブ６１Ａの背面に下方に張り出る補強板６１Ｄを備えたものである。
【００４６】
梁６０は、小梁成部６１でウエブ６１Ａの背面に補強板６１Ｄを備えることにより小梁成部６１の断面性能を確保しながら、小梁成部６１において下フランジ６１Ｃが形成する実質的な梁成Ｋを小さくできる。
【００４７】
図１３（Ｂ）の梁７０は、前述の特殊建物ユニット１０Ｂ、１０Ｃの天井梁１３Ａに代わるものであり、長手方向の少なくとも一部に小梁成部７１を設けたものである。梁７０は、ウエブ７２Ａと上下のフランジ７２Ｂ、７２Ｃを有してなり、下フランジ７２Ｃは梁７０の小梁成部７１でウエブ７２Ａの高さ方向の中間部に設けられる。
【００４８】
梁７０は、小梁成部７１で下フランジ７２Ｃをウエブ７２Ａの高さ方向の中間部に設け、ウエブ高さＬを可及的に大きくして小梁成部７１の断面性能を確保しながら、下フランジ７２Ｃを上フランジ７２Ｂ寄りに持ち上げることにより、小梁成部７１において下フランジ７２Ｃが形成する実質的な梁成Ｋを小さくできる。
【００４９】
図１３（Ｃ）の梁８０は、前述の特殊建物ユニット１０Ｂ、１０Ｃの天井梁１３Ａに代わるものであり、長手方向の少なくとも一部に小梁成部８１を設けたものである。梁８０は、ウエブ８２Ａと上下のフランジ８２Ｂ、８２Ｃを備え、下フランジ８２Ｃは梁８０の小梁成部８１でウエブ８２Ａに対する付け根から上フランジ８２Ｂ寄りに向けて傾斜せしめられている。
【００５０】
梁８０は、小梁成部８１で下フランジ８２Ｃをウエブ８２Ａに対する付け根から上フランジ８２Ｂ寄りに向けて傾斜せしめ、ウエブ高さＬを可及的に大きくして小梁成部８１の断面性能を確保しながら、下フランジ８２Ｃを上フランジ８２Ｂ寄りに屈曲させることにより、小梁成部８１において下フランジ８２Ｃが形成する実質的な梁成Ｋを小さくできる。
【００５１】
（第７実施形態）（図１３（Ｄ））
図１３（Ｄ）の梁９０は、前述の特殊建物ユニット１０Ｂ、１０Ｃの天井梁１３Ａに代わるものであり、長手方向の少なくとも一部に小梁成部９１を設けたものである。梁９０は、２個の形鋼９２、９３を抱き合わせた合せ梁９４であり、梁９０の小梁成部９１で合せ梁９４の下面９４Ａが傾斜せしめられたものである。
【００５２】
梁９０は、小梁成部９１で合せ梁９４の下面９４Ａを傾斜せしめ、合せ梁９４の最大高さＬを可及的に大きくして小梁成部９１の断面性能を確保しながら、合せ梁９４の下面９４Ａを上向きに傾斜させることにより、小梁成部９１において合せ梁９４の下面９４Ａが形成する実質的な梁成Ｋを小さくできる。
【００５３】
以上、本発明の実施の形態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の形態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。
【００５４】
【発明の効果】
以上のように本発明によれば、建物ユニットを構成する梁の少なくとも一部に小梁成部を設けるに際し、建物ユニットに一定の強度を確保することができる。
【図面の簡単な説明】
【図１】図１はユニット建物を示す模式図である。
【図２】図２は特殊建物ユニットを示す模式図である。
【図３】図３は階段室の天井高さを示す模式図である。
【図４】図４は特殊建物ユニットのジョイントピースを示す模式図である。
【図５】図５は特殊建物ユニットの小梁成部と大梁成部との接合構造を示す模式図である。
【図６】図６は小梁成部の接合部を示す模式図である。
【図７】図７は間柱の接合構造を示す模式図である。
【図８】図８は相隣る建物ユニットの天井梁接合構造を示す模式図である。
【図９】図９は相隣る建物ユニットの天井梁化粧構造を示す模式図である。
【図１０】図１０はユニット建物を示す模式図である。
【図１１】図１１は特殊建物ユニットを示す模式図である。
【図１２】図１２はユニット建物を示す模式図である。
【図１３】図１３は梁を示す模式図である。
【図１４】図１４は標準建物ユニットを示す模式図である。
【符号の説明】
１Ａ、１Ｂ、１Ｃユニット建物
１０Ａ、１０Ｂ、１０Ｃ建物ユニット
１１柱
１２床梁
１３、１３Ａ天井梁
１５、４１、４２大梁成部
１６、４３小梁成部
１７、４４間柱
５０階段室
６０、７０、８０、９０梁
６１、７１、８１、９１小梁成部
７２Ａ、８２Ａウエブ
７２Ｂ、７２Ｃ、８２Ｂ、８２Ｃフランジ
９４合せ梁[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a building unit and a unit building.
[0002]
[Prior art]
Conventionally, there is a building unit as described in JP-A-7-292779. This building unit is composed of a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion. According to this building unit, the ceiling height in the building unit can be partially enlarged by making at least a part of the ceiling beam a small beam forming part.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to secure a certain strength for a building unit when a small beam forming portion is provided in at least a part of beams constituting the building unit.
[0004]
[Means for Solving the Problems]
The present invention according to claim 1 is a building comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion. In the unit, the small beam forming portion of the beam is supported by a spacer, the beam has a web and upper and lower flanges, and the lower flange is at the intermediate portion in the height direction of the web at the small beam forming portion of the beam. It is intended to be provided .
[0005]
The present invention according to claim 2 is a building comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion. In the unit, the small beam forming portion of the beam is supported by a spacer, the beam has a web and upper and lower flanges, and the lower flange is directed from the base to the web toward the upper flange at the small beam forming portion of the beam. And tilted .
[0006]
The present invention according to claim 3 is a building comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion. In the unit, the small beam forming portion of the beam is supported by a stud, and the beam is made of a laminated beam, and the lower surface of the matching beam is inclined at the small beam forming portion of the beam .
[0007]
The present invention according to claim 4 comprises a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion. In the building unit, the large beam forming portion of the beam is supported by a spacer, the beam has a web and upper and lower flanges, and the lower flange is an intermediate portion in the height direction of the web at the small beam forming portion of the beam. It is intended to be provided in the part .
[0008]
The present invention according to claim 5 includes a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion. In the building unit, the large beam forming portion of the beam is supported by a stud, and the beam has a web and upper and lower flanges, and the lower flange is closer to the upper flange from the root to the web at the small beam forming portion of the beam. It is made to incline toward .
[0009]
The present invention according to claim 6 includes a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion. In the building unit, the large beam forming portion of the beam is supported by a spacer, the beam is made of a laminated beam, and the lower surface of the matching beam is inclined at the small beam forming portion of the beam .
[0010]
According to a seventh aspect of the present invention, in the present invention according to any one of the first to sixth aspects, the small beam forming portion of the beam is located at an intermediate portion in the longitudinal direction of the beam .
[0011]
According to an eighth aspect of the present invention, in the present invention according to any one of the first to sixth aspects, the small beam forming portion of the beam defines a staircase.
According to a ninth aspect of the present invention, in a unit building composed of a plurality of building units, the building unit according to any one of the first to sixth aspects is used.
[0012]
[Action]
According to the present invention described in claims 1 to 3 , the following action (a) is obtained.
(a) The strength reduction of the building unit due to the provision of the small beam forming portion can be reinforced by supporting the small beam forming portion of the beam with the inter-column.
[0013]
According to the present invention described in claims 4 to 6 , the following action (b) is obtained.
(b) The strength reduction of the building unit due to the provision of the small beam forming portion can be reinforced by supporting the large beam forming portion following the small beam forming portion of the beam with the studs.
[0014]
According to the first and fourth aspects of the present invention, there is the following action (c) .
(c) A lower flange is provided at the intermediate part in the height direction of the web at the small beam forming part of the beam, and the lower flange is closer to the upper flange while ensuring the cross-sectional performance of the small beam forming part by increasing the web height as much as possible. By lifting, the substantial beam formation which a lower flange forms in a small beam formation part can be made small.
[0015]
According to the present invention described in claims 2 and 5 , the following action (d) is obtained.
(d) Inclining the lower flange from the base to the upper flange toward the upper flange at the beam end of the beam, increasing the web height as much as possible to ensure the cross-sectional performance of the lower beam, By bending toward the side, the substantial beam formation formed by the lower flange in the small beam forming portion can be reduced.
[0016]
According to the present invention described in claims 3 and 6 , there is the following action (e) .
(e) Inclining the lower surface of the beam at the beam end of the beam, and tilting the lower surface of the beam at the upper side while increasing the maximum height of the beam to ensure the cross-sectional performance of the beam beam Thereby, the substantial beam formation which the lower surface of a laminated beam forms in a small beam formation part can be made small.
[0017]
According to the seventh aspect of the present invention, there is the following effect (f) .
(f) Even when the small beam forming portion of the beam is in the middle portion in the longitudinal direction of the beam, according to the above (a) or (b) ,
The strength reduction of the building unit due to the provision of the small beam forming part can be reinforced.
[0018]
According to the eighth aspect of the present invention, there is the following effect (g) .
(g) The effective ceiling height of the staircase can be increased when the small beam forming section of the beam defines the staircase.
[0019]
According to the ninth aspect of the present invention, the following effect (e) is obtained.
(e) In a unit building, when a building unit having a small beam forming part at least in part of a beam is used, a certain strength can be secured to the building unit by the above (a) to (g) .
[0020]
DETAILED DESCRIPTION OF THE INVENTION
1 is a schematic diagram showing a unit building , FIG. 2 is a schematic diagram showing a special building unit, FIG. 3 is a schematic diagram showing a ceiling height of a staircase, and FIG. 4 is a schematic diagram showing a joint piece of the special building unit. 5 is a schematic diagram showing the joint structure of the small beam forming part and the large beam forming part of the special building unit, FIG. 6 is a schematic diagram showing the joint structure of the small beam forming part, FIG. 7 is a schematic diagram showing the connecting structure of the studs, and FIG. 9 is a schematic diagram showing a ceiling beam joint structure of adjacent building units, FIG. 9 is a schematic diagram showing a ceiling beam makeup structure of adjacent building units, FIG. 10 is a schematic diagram showing a unit building , and FIG. 11 is a special building unit. FIG. 12 is a schematic diagram showing a unit building , FIG. 13 is a schematic diagram showing a beam, and FIG. 14 is a schematic diagram showing a standard building unit.
[0021]
As shown in FIG. 1, the unit building 1A is constructed by installing a plurality of building units vertically and horizontally, and a standard building unit 10A and a special building unit 10B, which are part of these building units, are arranged adjacent to each other. In addition, it is possible to form a staircase 50 over both building units 10A and 10B (FIG. 3).
[0022]
As shown in FIG. 14, the standard building unit 10 A is a frame structure in which four square steel pipe columns 11, a shape steel floor beam 12, and a shape steel ceiling beam 13 are joined in a box shape.
[0023]
In the special building unit 10B, one of the four ceiling beams 13 in the standard building unit 10A is a large beam forming portion 15 and a small beam forming portion 16, and the small beam forming portion 16 and the floor beam 12 opposite thereto A spacer 17 is provided between them, and a reinforcing beam 18 is provided between the small beam forming portion 16 and the ceiling beam 13 opposed thereto. And the special building unit 10B shall partition and form the ceiling part of the staircase 50 by the small beam forming part 16 of the ceiling beam 13A (FIG. 3).
[0024]
In the special building unit 10B, the small beam forming part 16 is provided at one end of the ceiling beam 13A in the longitudinal direction, and the other part of the ceiling beam 13A is a large beam forming part 15. The large beam forming portion 15 of the ceiling beam 13 A has the same beam formation as the other ceiling beams 13, and the small beam forming portion 16 has a smaller beam formation than the large beam forming portion 15.
[0025]
The small beam forming portion 16 of the ceiling beam 13A is made of a shape steel provided with upper and lower flanges 16B and 16C on the upper and lower ends of the web 16A, and one end is connected to the side surface of the column 11 by the upper and lower joint pieces 19 and 19, and the other end. Are joined to the end face of the large beam forming portion 15 by the joint hardware 20.
[0026]
As shown in FIG. 4, the upper and lower joint pieces 19 and 19 are made of L-shaped plates composed of a web 19A and a flange 19B, and are welded to the side surfaces of the column 11 with the web 19A and the flange 19B facing each other. One end of the small beam forming portion 16 is welded and supported in a hug state. The upper and lower joint pieces 19 and 19 are provided with a groove 19C as shown in FIGS. 4A and 4B on the flange 19B (and the web 19A if necessary), and are provided with a backing metal 19D on the inner surface thereof. Prevent welding drooping.
[0027]
As shown in FIGS. 5A and 6, the special building unit 10 B includes an end plate 20 A welded to the end face of the large beam forming portion 15, and an attachment plate welded to each of the upper end portion and the intermediate portion of the end plate 20 A. 20B, 20C, and a reinforcing plate 20D welded between the back surface of the splicing plate 20C and the lower end portion of the end plate 20A, with the other end of the small beam forming portion 16 sandwiched between the splicing plates 20B, 20C. It is abutted and welded to the end plate 20A.
[0028]
The joint hardware 20 can be replaced with a cast joint metal 21 (integrated joint, accessory) as shown in FIG. The cast joint metal 21 in FIG. 5B has a wide protrusion 21A and a narrow protrusion 21B projecting from both ends, and the web of the large beam forming portion 15 and the inner surfaces of the upper and lower flanges are formed on the wide protrusion 21A. The web 16A of the small beam forming portion 16 and the inner surfaces of the upper and lower flanges 16B and 16C can be fitted and welded to the narrow protrusion 21B.
[0029]
As shown in FIG. 2, the stud 17 is provided with end plates 22 at both upper and lower ends, and this end plate 22 is attached to the lower surface of the lower flange 16 C of the small beam forming portion 16 (or the upper surface of the upper flange of the floor beam 12). It is provided by fastening with bolts 24A and nuts 24B together with the reinforcing plate 23 attached to the upper surface of the lower flange 16C of the beam forming portion 16 (or the lower surface of the upper flange of the floor beam 12). 7 (B) is a diagram in which the positions of the bolts 24A and nuts 24B are replaced with respect to FIG. 2. FIG. 7 (C) is a diagram in which the bolts 24A are screwed into the female screw portions provided on the reinforcing plate 23, and the nuts 24B are screwed. It is not necessary.
[0030]
However, in the unit building 1A, the ceiling beam 13 of the adjacent standard building unit 10A and the small beam forming portion 16 of the ceiling beam 13A of the special building unit 10B are joined by the horizontal joining angle 25 shown in FIG. . The horizontal joining angle 25 includes a horizontal plate 25A, a vertical plate 25B, and a reinforcing rib 25C. The horizontal plate 25A is joined to the lower flange 16C of the small beam forming portion 16 of the ceiling beam 13A of the special building unit 10B by bolts 26A and nuts 26B. The vertical plate 25B is joined to the web of the ceiling beam 13 of the standard building unit 10A by bolts 27A and nuts 27B. At this time, a reinforcing angle 28 is attached to the back surface of the web of the ceiling beam 13 of the standard building unit 10A, and the bolt 27A and the nut 27B connect the vertical plate 25B of the horizontal joint angle 25 and the ceiling beam 13 of the standard building unit 10A. Fasten together with reinforcement angle 28 and washer plate 29.
[0031]
In the unit building 1A, after joining the ceiling beam 13 of the adjacent standard building unit 10A and the small beam forming part 16 of the ceiling beam 13A of the special building unit 10B as described above at the horizontal joining angle 25, As shown in FIG. 9, board brackets 30 fixed to the upper flange 16B of the ceiling beam 13A of the special building unit 10B and the lower flange of the ceiling beam 13 of the standard building unit 10A are covered around the ceiling beams 13, 13A. A plurality of gypsum boards 31 are screwed to the board bracket 30 to cover the ceiling beams 13 and 13A. A reinforcing material 32 such as a tape or an angle material is attached to the intersecting corner portions of the adjacent gypsum boards 31 and 31, and a finish decorative material is provided thereon.
[0032]
Therefore, the unit building 1A has the following effects.
(1) By supporting the small beam forming portion 16 of the ceiling beam 13A by the inter-column 17, the strength reduction of the building unit 20 due to the provision of the small beam forming portion 16 can be reinforced.
[0033]
(2) When the small beam forming portion 16 of the ceiling beam 13A partitions the staircase 50, the effective ceiling height (H) of the staircase 50 can be increased (FIG. 3A).
[0034]
(3) In the unit building 1A, when using the building unit 20 having the small beam forming part 16 in at least a part of the ceiling beam 13A, a certain strength is secured to the building unit 20 according to the above (1) and (2). it can.
[0035]
In the embodiment of the present invention, two special building units 10B and 10B are adjacently placed, and the small beam forming portions 16 of the ceiling beams 13A are adjacently disposed as shown in FIG. 3B. The ceiling height can be expanded in a wide range continuous to both building units 10B and 10B.
[0036]
As shown in FIG. 10, the unit building 1B is constructed by installing a plurality of building units horizontally and vertically, and a standard building unit 10A and a special building unit 10C, which are part of these building units, are arranged adjacent to each other. In addition, a staircase 50 that spans both building units 10A and 10C can be formed.
[0037]
In the special building unit 10C, one ceiling beam 13A among the four ceiling beams 13 in the standard building unit 10A is used as the large beam forming portions 41 and 42 on both end sides and the small beam forming portion 43 in the middle portion. And a floor beam 12 opposed thereto, and a reinforcing beam 45, 46 provided between the small beam forming portion 43 and the ceiling beam 13 opposed thereto. In the special building unit 10C, the ceiling portion of the staircase 50 is defined by the small beam forming portion 43 of the ceiling beam 13A.
[0038]
In the special building unit 10 C, the small beam forming portion 43 is provided at an intermediate portion in the longitudinal direction of the ceiling beam 13 A, and the other portions (both ends) of the ceiling beam 13 A are the large beam forming portions 41 and 42. The large beam forming portions 41 and 42 of the ceiling beam 13 A have the same beam formation as the other ceiling beams 13, and the small beam forming portion 43 has a smaller beam formation than the large beam forming portions 41 and 42.
[0039]
The small beam forming portion 43 of the ceiling beam 13A is made of a shape steel having upper and lower flanges 46B and 46C on the upper and lower ends of the web 46A, one end is joined to the end surface of the large beam forming portion 41 by the joint hardware 20, and the other end is joined. The metal 20 is joined to the end face of the large beam forming part 42. The joint hardware 20 is the same as the joint hardware 20 in the unit building 1A .
[0040]
Further, the inter-column 44 is the same as the inter-column 17 in the unit building 1A .
[0041]
Moreover, the ceiling beam 13 of the adjacent standard building unit 10A and the small beam forming portion 43 of the ceiling beam 13A of the special building unit 10C are joined by the horizontal joint angle 25 similar to that in the unit building 1A . Further, the ceiling beam 13 of the adjacent standard building unit 10A and the small beam forming portion 43 of the ceiling beam 13A of the special building unit 10C can be covered with the same finishing decorative material as in the unit building 1A .
[0042]
Therefore, according to the unit building 1B, when the small beam forming portion 43 of the ceiling beam 13A is provided in the intermediate portion in the longitudinal direction of the ceiling beam 13A, the small beam forming portion 43 is provided by supporting the small beam forming portion 43 with the intermediate pillar 44. Therefore, the strength reduction of the building unit 10C can be reinforced.
[0043]
The unit building 1C is different from the unit building 1A only in that the large beam forming portion 15 of the large beam forming portion 15 and the small beam forming portion 16 constituting the ceiling beam 13A is supported by the intermediate column 17. That is, in the unit building 1 C, the stud 17 is provided between the large beam forming portion 15 and the floor beam 12 opposed to the large beam forming portion 15.
[0044]
Therefore, according to the unit building 1C , the strength reduction of the building unit 10B due to the provision of the small beam forming portion 16 can be reinforced by supporting the large beam forming portion 15 following the small beam forming portion 16 of the ceiling beam 13A by the inter-column 17.
[0045]
A beam 60 in FIG. 13A replaces the ceiling beam 13A of the special building units 10B and 10C described above, and is provided with a small beam forming portion 61 in at least a part of the longitudinal direction. The small beam forming portion 61 includes a web 61A and upper and lower flanges 61B and 61C, and includes a reinforcing plate 61D projecting downward on the back surface of the web 61A.
[0046]
The beam 60 is provided with a reinforcing plate 61D on the back surface of the web 61A at the small beam forming portion 61, thereby ensuring the cross-sectional performance of the small beam forming portion 61 and reducing the substantial beam formation K formed by the lower flange 61C in the small beam forming portion 61. .
[0047]
The beam 70 in FIG. 13B replaces the ceiling beam 13A of the special building units 10B and 10C described above, and is provided with a small beam forming portion 71 at least in a part in the longitudinal direction. The beam 70 includes a web 72A and upper and lower flanges 72B and 72C, and the lower flange 72C is provided at a small beam forming portion 71 of the beam 70 at an intermediate portion in the height direction of the web 72A.
[0048]
In the beam 70, a lower flange 72C is provided at the intermediate portion in the height direction of the web 72A at the small beam forming portion 71, and the cross section performance of the small beam forming portion 71 is ensured by increasing the web height L as much as possible. Can be reduced toward the upper flange 72B, so that the substantial beam formation K formed by the lower flange 72C in the small beam formation portion 71 can be reduced.
[0049]
A beam 80 in FIG. 13C replaces the ceiling beam 13A of the special building units 10B and 10C described above, and is provided with a small beam forming portion 81 in at least a part of the longitudinal direction. The beam 80 includes a web 82A and upper and lower flanges 82B and 82C. The lower flange 82C is inclined at a small beam forming portion 81 of the beam 80 from the base to the web 82A toward the upper flange 82B.
[0050]
In the beam 80, the lower flange 82C is inclined at the small beam forming portion 81 from the base to the web 82A toward the upper flange 82B, and the cross section performance of the small beam forming portion 81 is ensured by increasing the web height L as much as possible. By bending the lower flange 82C toward the upper flange 82B, the substantial beam formation K formed by the lower flange 82C in the small beam forming portion 81 can be reduced.
[0051]
(Seventh embodiment) (FIG. 13D)
A beam 90 in FIG. 13D replaces the ceiling beam 13A of the special building units 10B and 10C described above, and is provided with a small beam forming portion 91 in at least a part of the longitudinal direction. The beam 90 is a mating beam 94 in which two structural steels 92 and 93 are joined together, and a lower surface 94A of the mating beam 94 is inclined at a small beam forming portion 91 of the beam 90.
[0052]
The beam 90 has the lower surface 94A of the mating beam 94 inclined by the small beam forming portion 91 and the maximum height L of the matching beam 94 is made as large as possible to ensure the cross-sectional performance of the small beam forming portion 91, while By tilting 94A upward, the substantial beam formation K formed by the lower surface 94A of the mating beam 94 in the small beam forming portion 91 can be reduced.
[0053]
Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like without departing from the gist of the present invention. However, it is included in the present invention.
[0054]
【The invention's effect】
As described above, according to the present invention, when a small beam forming portion is provided on at least a part of the beams constituting the building unit, a certain strength can be secured to the building unit.
[Brief description of the drawings]
FIG. 1 is a schematic diagram showing a unit building .
FIG. 2 is a schematic diagram showing a special building unit.
FIG. 3 is a schematic diagram showing the ceiling height of the staircase.
FIG. 4 is a schematic view showing a joint piece of a special building unit.
FIG. 5 is a schematic diagram showing a joint structure between a small beam forming portion and a large beam forming portion of a special building unit.
FIG. 6 is a schematic view showing a joint portion of a small beam forming portion.
FIG. 7 is a schematic view showing a joining structure of studs.
FIG. 8 is a schematic diagram showing a ceiling beam joint structure of adjacent building units.
FIG. 9 is a schematic diagram showing a ceiling beam decorative structure of adjacent building units.
FIG. 10 is a schematic diagram showing a unit building .
FIG. 11 is a schematic diagram showing a special building unit.
FIG. 12 is a schematic diagram showing a unit building .
FIG. 13 is a schematic diagram showing a beam.
FIG. 14 is a schematic diagram showing a standard building unit.
[Explanation of symbols]
1A, 1B, 1C Unit building 10A, 10B, 10C Building unit 11 Column 12 Floor beam 13, 13A Ceiling beam 15, 41, 42 Large beam forming portion 16, 43 Small beam forming portion 17, 44 Space 50 Staircase 60, 70, 80, 90 Beams 61, 71, 81, 91 Small beam forming sections 72A, 82A Webs 72B, 72C, 82B, 82C Flange 94 Laminated beam

Claims

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion,
While supporting the small beam forming part of the beam by a spacer ,
2. The building unit according to claim 1, wherein the beam has a web and upper and lower flanges, and the lower flange is provided at an intermediate portion in the height direction of the web at a small beam forming portion of the beam .

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion ,
While supporting the small beam forming part of the beam by a spacer ,
The building unit characterized in that the beam has a web and upper and lower flanges, and the lower flange is inclined toward the upper flange from the base to the web at a small beam forming portion of the beam .

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least a part of at least one of the plurality of beams includes a small beam forming portion,
While supporting the small beam forming part of the beam by a spacer,
The building unit characterized in that the beam is made of a laminated beam, and the lower surface of the laminated beam is inclined at a small beam forming portion of the beam .

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion.
The large beam forming portion of the beam is supported by a spacer,
2. The building unit according to claim 1, wherein the beam has a web and upper and lower flanges, and the lower flange is provided at an intermediate portion in the height direction of the web at a small beam forming portion of the beam .

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion.
The large beam forming portion of the beam is supported by a spacer,
The building unit characterized in that the beam has a web and upper and lower flanges, and the lower flange is inclined toward the upper flange from the base to the web at a small beam forming portion of the beam .

In a building unit comprising a frame structure in which a plurality of columns and a plurality of beams are joined, and at least one of the plurality of beams includes a small beam forming portion and a large beam forming portion.
The large beam forming portion of the beam is supported by a spacer,
The building unit characterized in that the beam is made of a laminated beam, and the lower surface of the laminated beam is inclined at a small beam forming portion of the beam .

The building unit according to any one of claims 1 to 6 , wherein a small beam forming portion of the beam is in an intermediate portion in a longitudinal direction of the beam .

The building unit according to any one of claims 1 to 6 , wherein a small beam forming portion of the beam defines a staircase .

In a unit building consisting of multiple building units,
A unit building using the building unit according to claim 1.