JP2004027745A

JP2004027745A - Extension construction method for climbing beam

Info

Publication number: JP2004027745A
Application number: JP2002188912A
Authority: JP
Inventors: Yuji Ueda; 上田　祐史; Yukinobu Koide; 小出　幸伸; Kazuo Nakahara; 中原　和夫; Hiroshi Kamiya; 上谷　博; Toshihiro Horie; 堀江　寿弘
Original assignee: Sekisui House Ltd
Current assignee: Sekisui House Ltd
Priority date: 2002-06-28
Filing date: 2002-06-28
Publication date: 2004-01-29
Anticipated expiration: 2022-06-28
Also published as: JP3831871B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide an extension construction method for a climbing beam enabling reduction of labor, cost, and industrial waste in extension construction work of a house. <P>SOLUTION: An end part 2 of a new climbing beam 1 is installed in an upper end part of a vertical member 101 using a climbing beam extension fitting 3 having a flat part 8 installed in a top part 110 of the vertical member 101 below an intermediate part of an existing large ridge, a top part main house receive connection part 6 installed in a top part purlin receiver 106 provided in the upper end part 102 of the vertical member 101, and a climbing beam connection part 8 rising at an angle θ substantially equal to a rising angle of an existing climbing beam 100 from a central part on one side of the top part purlin receiver connection part 6. A new climbing beam post 4 is vertically erected between the new climbing beam 1 and the existing climbing beam 103 on an extension side using a new climbing beam post 4 having a climbing beam post connection fitting 5 provided on the existing climbing beam 103 on an extension part side in a lower end part and a new climbing beam connection part 11 connected with the new climbing beam 1 in an upper end. The climbing beam 100 provided in the intermediate part of the existing large ridge is extended toward an end of a new large ridge on the extension part side. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、住宅の増築時の増築工事に際し、既存住宅の小屋組を全面解体することなく登り梁を延長することができる母屋の延長工法に関する。
【０００２】
【従来の技術】
寄棟造りの住宅の桁側面に増築すると、増築後では増築前と比べて、棟高さが高くなったり、棟方向が変わったりして、小屋組架構全体が変わることが多い（図１参照）。
【０００３】
このような場合には、増築後の新しい小屋組に対応させて既存大棟の中間部に設置された既存登り梁の上端部に他の部材を継ぎ足すか、既存登り梁をより長い部材に交換するかして、登り梁を新規大棟の端部に向って延長する必要が生じる。このため、従来は、既存の小屋組を全面的に解体して、新しい小屋組に施工し直していた。
【０００４】
【発明が解決しようとする課題】
しかしながら、既存の小屋組を全面的に解体して、新しい小屋組に施工し直すので、多くの時間と労力を要し、施工期間が長くなるだけでなく、作業性が悪いという問題点があった。
【０００５】
また、小屋組の各構成部材が鋼等の金属からなる場合には、溶接により登り梁を延長させることは可能ではあるが、作業性が悪いだけでなく、顧客が既存の住宅内で従来通り生活を営むことを考慮すると、十分な安全性を確保することが困難であるという問題点があった。
【０００６】
更に、既存の小屋組を全面解体することにより、多量の産業廃棄物が発生し、これを運搬して処理するために、費用がかかるという問題点があった。
【０００７】
更にまた、多くの場合は、増築工事中であっても顧客が既存住宅の住宅内で生活を営むため、短期間で増築工事を終了することが望ましいが、施工期間の長期化に伴い顧客に不便を強いる期間が長くなり、顧客の負担が大きくなるという問題点があった。
【０００８】
本発明は、上記課題に鑑みてなされたものであり、住宅の増築工事において、施工の省力化、コストダウン及び廃棄物の削減を図る登り梁の延長工法を提供することを目的とする。
【０００９】
【課題を解決するための手段】
前記目的を達成するためになされた本発明の請求項１に記載の登り梁の延長工法は、住宅の増築工事の際に既存大棟の中間部に設置された登り梁を増築部側の新規大棟の端部に向って延長する登り梁の延長工法であって、前記既存大棟の中間部下の垂直部材の頂部に設置される平部と、前記垂直部材の上端部に設置された頂部母屋受けに設置される頂部母屋受け接続部と、該母屋受け接続部の一側中央部から既存登り梁の立上り角度と略等しい立上り角度で立り上がる登り梁接続部とを有する登り梁延長金具を用い、新規登り梁の端部と前記登り梁接続部とを締結具で締結することにより、前記新規登り梁の端部を前記登り梁接続部に接続し、前記平部と前記垂直部材の頂部とを締結具で締結し、前記頂部母屋受け接続部と前記頂部母屋受けとを締結具で締結することにより、前記新規登り梁の端部を前記垂直部材の上端部に設置するとともに、下端部に増築部側の既存登り梁に設置される登り梁束接続金具と上端部に前記新規登り梁に接続する新規登り梁接続部とを有する新規登り梁束を用い、前記登り梁束接続金具と前記増築部側の既存登り梁とを締結具で締結することにより、前記登り梁束接続金具を前記増築部側の既存登り梁に固定し、前記新規登り梁束接続部と前記新規登り梁とを締結具で締結することにより、前記新規登り梁束を前記新規登り梁と前記増築側の既存登り梁との間に鉛直に立設させることを特徴とするものである。
【００１０】
請求項２に記載の登り梁の延長工法は、住宅の増築工事の際に既存大棟の中間部に設置された登り梁を増築部側の新規大棟の端部に向って延長する登り梁の延長工法であって、前記既存大棟の中間部下の垂直部材の頂部に設置される平部と、前記垂直部材の上端部に設置された頂部母屋受けに設置される頂部母屋受け接続部と、該母屋受け接続部の一側中央部から既存登り梁の立上り角度と略等しい立上り角度で立り上がり、新規登り梁の端部を接続した登り梁接続部とを有する登り梁延長金具を用い、前記平部と前記垂直部材の頂部とを締結具で締結し、前記頂部母屋受け接続部と前記頂部母屋受けとを締結具で締結することにより、前記新規登り梁の端部を前記前記垂直部材の上端部に設置するとともに、下端部に増築部側の既存登り梁に設置される登り梁束接続金具と上端部に前記新規登り梁に接続する新規登り梁接続部とを有する新規登り梁束を用い、前記登り梁束接続金具と前記増築部側の既存登り梁とを締結具で締結することにより、前記登り梁束接続金具を前記増築部側の既存登り梁に固定し、前記新規登り梁束接続部と前記新規登り梁とを締結具で締結することにより、前記新規登り梁束接続部を前記新規登り梁に接続して、前記新規登り梁束を前記新規登り梁と前記増築側の既存登り梁との間に鉛直に立設させることを特徴とするものである。
【００１１】
【発明の実施の形態】
以下、本発明の実施の形態について図面に基づいて説明する。本実施の形態に係る登り梁の延長工法は、図１に示すように、既存大棟の中間部に設置された既存登り梁１００を増築部側の新規大棟の端部に向って延長する登り梁の延長工法であって、図２に示すように、既存大棟の中間部下の垂直部材である既存登り梁真束１０１の上端部１０２に新規登り梁１の端部２を登り梁延長金具３を用いて固定するとともに、増築部側の既存登り梁１０３と新規登り梁１との間に新規登り梁束４を登り梁束接続金具５を用いて設置することにより行う。以下、更に詳細に説明する。
【００１２】
既存登り梁１００及び増築部側の既存登り梁１０３は、図２に示すように、２本のＣ型鋼１０４をボルト締めで締結し、開口部が互い外側を向き、かつ、所望の間隔の隙間を確保したものであって、既存大棟から既存大梁の端部に向って斜め下方に下るように既存登り梁真束１０１及び既存登り梁束１０５に支持されている。
【００１３】
既存登り梁真束１０１は、既存登り梁１００と同様の構成であり、既存登り梁束１０５は、１本のＣ型鋼１０４から構成されている。また、既存登り梁真束１０１及び既存登り梁束１０５の上端部には登り梁接続部が、下端部には大梁接続部がそれぞれ設けられている。
【００１４】
また、既存登り梁真束１０１の上端部１０２には断面略Ｌ字型の頂部母屋受け１０６が、既存登り梁１００及び増築部側の既存登り梁１０３の上面には断面略Ｌ字形の母屋受け１０７がそれぞれ設けられている。また、母屋を受ける受け部１０８、１０９には母屋を固定するための貫通孔１０８ａ、１０９ａがそれぞれ穿設されている（図９又は図１１参照）。
【００１５】
新規登り梁１は、図２に示すように、既存登り梁１００及び増築部側の既存登り梁１０３と同様の構成であって、所定の間隔をおいて登り梁延長金具３や新規登り梁束４に接続するための貫通孔１ａが穿設されている（図１１参照）。
【００１６】
登り梁延長金具３は、図３に示すように、両端部に貫通孔６ａが穿設された略長方形の頂部母屋受け接続部６と、両端部に貫通孔７ａが穿設された略長方形の平部７と、頂部母屋受け接続部６の背側面中央部から水平方向に対して図２に示す大梁と既存登り梁１００とがなす角度αと略等しい立上り角度（以下、「立上り角度α」という。）で立ち上がり、頂部母屋受け接続部６と対向する端部に２個の貫通孔８ａが穿設された登り梁接続部８と、頂部母屋受け接続部６と平部７とを繋ぐ補強部９とを有している。
【００１７】
頂部母屋受け接続部６は、図４又は図５に示すように、その長さは頂部母屋受け１０６の受け部１０８の長さと略等しく、貫通孔６ａは、頂部母屋受け接続部６を頂部母屋受け１０６の受け部１０８にあてがったときに頂部母屋受け１０６の受け部１０８の貫通孔１０８ａと略一致する位置に穿設されている。
【００１８】
平部７は、その長さは頂部母屋受け接続部６の長さと略等しく、貫通孔７ａは、頂部母屋受け接続部６を頂部母屋受け１０６の受け部１０８にあてがったときに既存登り梁真束１０１の頂部１１０に穿設された貫通孔１１０ａと略一致する位置に穿設されている。
【００１９】
登り梁接続部８は、その長さは特に限定されないが、その厚さは新規登り梁１の２本のＣ型鋼１０４の隙間と略等しく、２個の貫通孔８ａは、その中心を結ぶ線が水平方向に対して立上り角度αをなし、その間隔が新規登り梁１の貫通孔１ａと略等しい間隔となる位置に穿設されている。これにより、登り梁延長金具３を既存登り梁真束１０１に固定すると、登り梁接続部８は既存登り梁１００の延長上に位置することとなる。
【００２０】
補強部９は、その一端部が頂部母屋受け接続部６の端縁に、その下端部が平部７の端縁にそれぞれ固着されることにより、頂部母屋受け接続部６と平部７との間に隙間１０を確保しながら頂部母屋受け接続部６と平部７とを繋いでいる。
【００２１】
また、新規登り梁束４は、図６に示すように、既存登り梁束１０５と同様の構成であって、上端部には貫通孔１１ａが穿設された新規登り梁接続部１１が、下端部には登り梁束接続金具５が設けられている。新規登り梁接続部１１の２個の貫通孔１１ａは、その中心を結ぶ線が水平方向に対して立上り角度αをなし、その間隔が新規登り梁１の貫通孔１ａと略等しい間隔となる位置に穿設されている（図１１参照）。
【００２２】
登り梁束接続金具５は、図６に示すように、略長方形の設置部１２と、該設置部１２の上面に設置部１２の長手方向と略平行かつ幅方向の中央部に所定の立上り角度βをなして設置された登り梁束接続部１３と、設置部１２の下面に設置部１２の長手方向と略平行かつ幅方向の中央部に略９０°をなして突設され、設置部１２と対向する端部に貫通孔１４ａが穿設された既存登り梁接続部１４と、設置部１２の一端から略９０°をなして立ち上がり、その両端部に貫通孔１５ａが穿設された母屋受け接続部１５と、設置部１２の両側縁から略９０°をなして立ち上がり、一端部に母屋受け接続部１５の側縁をそれぞれ固着した補強部１６とを有するものである。
【００２３】
設置部１２は、図７又は図８に示すように、増築部側の既存登り梁１０３の上面に設置するものであり、その幅は母屋受け１０７の受け部１０９の幅と略等しく、その長さは母屋受け１０７の設置間隔より短い。また、母屋受け接続部１５と対向する端部の下面に母屋受け１０７の厚さと略等しい厚さの不陸調節部１７を設けている。
【００２４】
登り梁束接続部１３は、新規登り梁束４の下端部を登り梁束接続金具５に接続するためのものであり、その一側面中央部に登り梁束接続部１３を補強するための補強リブ１８を設けている。登り梁束接続部１３の長さ方向の位置は、登り梁束接続金具５を増築部側の既存登り梁１０３に設置したときに新規登り梁束４が既存登り梁束１０５の真上となる位置とする。また、立上り角度βを９０°に図２既存登り梁１００の立上り角度αを足した角度として、登り梁束接続金具５を増築部側の既存登り梁１０３に設置したときに、登り梁束接続部１３を増築部側の既存登り梁１０３に鉛直に立設させる。
【００２５】
なお、本実施の形態では、新規登り梁束４と登り梁束接続部１３との接続は溶接により行うが、これに限定されるものではなく、図示はしないが、新規登り梁束４の下端部及び登り梁束接続部１３の上端部に貫通孔をそれぞれ穿設して、ボルト締めで新規登り梁束４を登り梁束接続部１３に接続することにより行ってもよい。
【００２６】
既存登り梁接続部１４は、登り梁束接続金具５を増築部側の既存登り梁１０３に設置するためのものであり、その厚さは増築部側の既存登り梁１０３の２本のＣ型鋼１０４の隙間と略等しくし、その長さはＣ型鋼１０４のウェブの長さより長くしている。
【００２７】
母屋受け接続部１５は、母屋受け１０７の受け部１０９に固定されて登り梁束接続金具５を増築部側の既存登り梁１０３に固定するものであり、その幅は母屋受け１０７の受け部１０９の幅と略等しく、その高さは母屋受け１０７の受け部１０９の高さと略等しくしている。貫通孔１５ａは、設置部１２を増築部側の既存登り梁１０３の上面に置いたときに、母屋受け１０７の受け部１０９の貫通孔１０９ａと略一致する位置に穿設されている（図１１参照）。
【００２８】
補強部１６は、図６に示すように、登り梁束接続金具５の補強を図るものであり、設置部１２の母屋受け接続部１５の方の下隅角部に水がたまらないように、該下隅角部と接する縁辺の一部分を切り欠いて水抜き部１９を設けている。
【００２９】
以下、新規登り梁１の端部２の既存登り梁真束１０１の上端部１０２への接続について説明する。まず、図９に示すように、新規登り梁１を構成する２本のＣ型鋼１０４の間に登り梁延長金具３の登り梁接続部８を挿入して、新規登り梁１の端部２の貫通孔１ａと登り梁延長金具３の登り梁接続部８の貫通孔８ａとをボルトナットで構成される締結具２００で締結することにより、新規登り梁１の端部２を登り梁延長金具３に接続する。
【００３０】
そして、増築部側の頂部母屋受け１０６を登り梁延長金具３の隙間１０に嵌め入れ、増築部側の頂部母屋受け１０６の受け部１０８に登り梁延長金具３の頂部母屋受け接続部６をあてがい、受け部１０８の貫通孔１０８ａと頂部母屋受け接続部６の貫通孔６ａとを締結具２００で締結し、既存登り梁真束１０１の頂部１１０に登り梁延長金具３の平部７を載置し、頂部１１０の貫通孔１１０ａと平部７の貫通孔７ａとを締結具２００で締結することにより、登り梁延長金具３を増築部側の頂部母屋受け１０６及び既存登り梁真束１０１の頂部１１０に固定する。これにより、図４及び図５に示すように、新規登り梁１の一端部２が既存登り梁真束１０１の上端部１０２に接続され、既存登り梁１００の延長上に位置することとなる。
【００３１】
次に、新規登り梁束４の増築部側の既存登り梁１０３への設置について説明する。まず、図１０に示すように、増築部側の既存登り梁１０３の２本のＣ型鋼１０４の間に登り梁束接続金具５の既存登り梁接続部１４を挿入し、登り梁束接続金具５の設置部１２を増築部側の既存登り梁１０３の上面に載置し、増築部側の既存登り梁１０３の下面から突出した既存登り梁接続部１４の突出部分の両側に一方に貫通孔２０ａが穿設された２枚の折れ形のプレート２０をそれぞれあてがい、各プレート２０の貫通孔２０ａと既存登り梁接続部１４の貫通孔１４ａとを締結具２００で締結することにより登り梁束接続金具５を増築部側の既存登り梁１０３の上面に設置する。
【００３２】
また、図１１に示すように、登り梁束接続金具５の母屋受け接続部１５を既存登り梁束１０５近傍の母屋受け１０７の受け部１０９にあてがい、母屋受け接続部１５の貫通孔１５ａと受け部１０９の貫通孔１０９ａとを締結具２００で締結して母屋受け接続部１５を母屋受け１０７に固定することにより、登り梁束接続金具５を増築部側の既存登り梁１０３の上面に固定する。これにより、図７及び図８に示すように、登り梁束接続金具５は、増築部側の既存登り梁１０３に固定される。
【００３３】
そして、図１１に示すように、新規登り梁接続部１１を新規登り梁１の２本のＣ型鋼１０４の間に挿入し、新規登り梁１の貫通孔１ａと新規登り梁接続部１１の貫通孔１１ａとを締結具（図示せず）で締結することにより、新規登り梁接続部１１を新規登り梁１に接続する。これにより、図７に示すように、新規登り梁束４は、既存登り梁束１０５の真上に鉛直に立設する。
【００３４】
以上により、図２に示すように、新規登り梁束４は増築部側の既存登り梁１０３と新規登り梁１との間に鉛直に立設して新規登り梁１を支持するので、新規登り梁１が立上り角度αで既存登り梁１００の延長上に設置される、即ち、図１に示すように、既存登り梁１００が増築部側の新規大棟の端部に向って延長されたこととなる。
【００３５】
なお、図１２に示すように、設計の都合上、新規登り梁束４を既存登り梁束１０５の真上からずらせて設ける場合には、設置部１２の他端部に母屋受け接続部１５が設けられた登り梁束接続金具３０を用い、該登り梁束接続金具３０の母屋受け接続部１５を母屋受け１０７に固定することにより、新規登り梁束４を増築部側の既存登り梁１０３に設置する。
【００３６】
更に、本実施の形態では、新規登り梁束４を１本のＣ型鋼１０４としたが、既存登り梁真束１０１と同様に２本のＣ型鋼１０４とすることも可能である。この場合の登り梁束接続金具４０は、図１３に示すように、設置部１２の長さは母屋受け１０７の設置間隔と略等しく、設置部１２の両端に母屋受け接続部１５が設けられている。
【００３７】
登り梁束接続金具４０と増築部側の既存登り梁１０３との接続は、図１４に示すように、２個の母屋受け１０７の間に、登り梁束接続金具４０を嵌め入れ、各母屋受け１０７の受け部１０９と各母屋受け接続部１５とを締結具２００で締結することにより行う。なお、新規登り梁束４と登り梁束接続金具５との接続は、新規登り梁束４の下端部及び登り梁束接続部１３の上端部に貫通孔をそれぞれ穿設して、これらの貫通孔を締結具２００で締結することにより行うが、登り梁束接続金具５の増築部側の既存登り梁１０３への嵌入角度が限定されるため、登り梁束接続金具５を増築部側の既存登り梁１０３に固定した後に接続することとする。
【００３８】
更にまた、本発明の実施の形態では、既存住宅の小屋組をトラス小屋組としているが、図１５に示すように、既存の小屋組を和小屋組とした場合においても同様であって、登り梁延長金具３を用いて新規登り梁１の端部２を既存登り梁真束１０１の上端部１０２に接続し、登り梁束接続金具５を用いて新規登り梁束４を増築部側の既存登り梁１０３と新規登り梁１間に鉛直に立設させる。
【００３９】
【発明の効果】
以上説明したように、本発明の請求項１に記載の登り梁の延長工法は、前記既存大棟の中間部下の垂直部材の頂部に設置される平部と、前記垂直部材の上端部に設置された頂部母屋受けに設置される頂部母屋受け接続部と、該母屋受け接続部の一側中央部から既存登り梁の立上り角度と略等しい立上り角度で立り上がる登り梁接続部とを有する登り梁延長金具を用い、新規登り梁の端部と前記登り梁接続部とを締結具で締結することにより、前記新規登り梁の端部を前記登り梁接続部に接続し、前記平部と前記垂直部材の頂部とを締結具で締結し、前記頂部母屋受け接続部と前記頂部母屋受けとを締結具で締結することにより、前記新規登り梁の端部を前記垂直部材の上端部に設置するとともに、下端部に増築部側の既存登り梁に設置される登り梁束接続金具と上端部に前記新規登り梁に接続する新規登り梁接続部とを有する新規登り梁束を用い、前記登り梁束接続金具と前記増築部側の既存登り梁とを締結具で締結することにより、前記登り梁束接続金具を前記増築部側の既存登り梁に固定し、前記新規登り梁束接続部と前記新規登り梁とを締結具で締結することにより、前記新規登り梁束接続部を前記新規登り梁に接続して、前記新規登り梁束を前記新規登り梁と前記増築側の既存登り梁との間に鉛直に立設させるので、既存の小屋組を全面的に解体することなく、既存大棟の中間部に設置された登り梁を増築部側の新規大棟の端部に向って延長させることができるという利点がある。
【００４０】
また、既存の小屋組を全面的に解体しないので、施工期間を短縮することができるだけでなく、労力を削減しながら作業性を向上させることができるという利点がある。
【００４１】
更に、新規登り梁の端部の頂部母屋受けへの接続、新規登り束の増築部側の既存登り梁及び新規登り梁への固定を締結具で締結することにより行うので、作業性の向上を図ることができるだけでなく、溶接接合と比べて、十分な安全性を確保することができるという利点がある。
【００４２】
更にまた、既存の小屋組を全面的に解体しないので、産業廃棄物の発生量を減少させることができるだけでなく、これを運搬して処理するための費用を削減することができるという利点がある。
【００４３】
そして、施工期間の短縮化により顧客に不便を強いる期間が短くなり、顧客の負担を軽減させることができるという利点がある。
【００４４】
請求項２に記載の登り梁の延長工法は、前記既存大棟の中間部下の垂直部材の頂部に設置される平部と、前記垂直部材の上端部に設置された頂部母屋受けに設置される頂部母屋受け接続部と、該母屋受け接続部の一側中央部から既存登り梁の立上り角度と略等しい立上り角度で立り上がり、新規登り梁の端部を接続した登り梁接続部とを有する登り梁延長金具を用い、前記平部と前記垂直部材の頂部とを締結具で締結し、前記頂部母屋受け接続部と前記頂部母屋受けとを締結具で締結することにより、前記新規登り梁の端部を前記前記垂直部材の上端部に設置するとともに、下端部に増築部側の既存登り梁に設置される登り梁束接続金具と上端部に前記新規登り梁に接続する新規登り梁接続部とを有する新規登り梁束を用い、前記登り梁束接続金具と前記増築部側の既存登り梁とを締結具で締結することにより、前記登り梁束接続金具を前記増築部側の既存登り梁に固定し、前記新規登り梁束接続部と前記新規登り梁とを締結具で締結することにより、前記新規登り梁束接続部を前記新規登り梁に接続して、前記新規登り梁束を前記新規登り梁と前記増築側の既存登り梁との間に鉛直に立設させるので、請求項１の利点に加えて、工事現場での施工の省力化を図ることができるという利点がある。
【００４５】
即ち、本発明の登り梁の延長工法によれば、施工の省力化、コストダウン及び廃棄物の削減を図ることができるという利点がある。
【図面の簡単な説明】
【図１】本発明の実施の形態に係る小屋組全体の概略を示す平面図である。
【図２】新規登り梁を含む小屋組を示す側面図である。
【図３】登り梁延長金具を示す斜視図である。
【図４】図２のＡ部分拡大図である。
【図５】図４の平面図である。
【図６】新規登り梁束及び登り梁束接続金具を示す斜視図である。
【図７】図２のＢ部分拡大図である。
【図８】図７の平面図である。
【図９】登り梁延長金具の頂部母屋受けへの接続手順を示す説明図である。
【図１０】図８のＣ部分における登り梁束接続金具の増築部側の既存登り梁への固定手順を示す説明図である。
【図１１】登り梁束接続金具の増築部側の既存登り梁への固定手順を示す説明図である。
【図１２】他の実施の形態の登り梁束接続金具を示す側面図である。
【図１３】他の実施の形態の登り梁束接続金具を示す平面図である。
【図１４】他の実施の形態の登り梁束接続金具を示す側面図である。
【図１５】和小屋組での新規登り梁を含む小屋組を示す側面図である。
【符号の説明】
１　新規登り梁
２　端部
３　登り梁延長金具
４　新規登り梁束
５　登り梁束接続金具
６　頂部母屋受け接続部
７　平部
８　登り梁接続部
１００　既存登り梁
１０１　既存登り梁真束（垂直部材）
１０２　上端部
１０３　増築部側の既存登り梁
１０６　頂部母屋受け
１１０　頂部
２００　締結具[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an extension method of a main house that can extend a climbing beam without completely dismantling a hut group of an existing house when performing an extension work at the time of extension of a house.
[0002]
[Prior art]
When an extension is added to the girder side of a house with a built-in ridge, the whole hut frame structure often changes after the extension compared to before the extension because the ridge height or ridge direction changes (see Fig. 1). .
[0003]
In such a case, add another member to the upper end of the existing climbing beam installed in the middle part of the existing large building, or replace the existing climbing beam with a longer It may be necessary to replace or extend the climbing beam towards the end of the new building. For this reason, the existing hut group was conventionally completely dismantled and reconstructed into a new hut group.
[0004]
[Problems to be solved by the invention]
However, the existing hut group is completely dismantled and rebuilt into a new hut group, which requires a lot of time and effort, not only lengthens the construction period but also impairs workability. Was.
[0005]
If each member of the hut is made of metal such as steel, it is possible to extend the climbing beam by welding. There is a problem that it is difficult to secure sufficient safety when considering living.
[0006]
Furthermore, there is a problem that a large amount of industrial waste is generated by completely dismantling the existing hut group, and it is costly to transport and dispose of the waste.
[0007]
Furthermore, in many cases, it is desirable that the extension work be completed in a short period of time because the customer lives in the existing house even during the extension work. There has been a problem that the period of inconvenience is prolonged and the burden on the customer is increased.
[0008]
The present invention has been made in view of the above-described problems, and has as its object to provide a method of extending a climbing beam that can save labor, reduce costs, and reduce waste in an extension of a house.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the method of extending a climbing beam according to claim 1 of the present invention is a method of extending a climbing beam installed in the middle of an existing large building at the time of extension of a house. A method of extending a climbing beam extending toward an end of a large building, comprising: a flat portion installed on a top of a vertical member below an intermediate portion of the existing large building; and a top installed on an upper end of the vertical member. A climbing beam extension fitting having a top purlin receiving connection portion installed in the purlin receiving portion, and a climbing beam connecting portion rising from a central portion of one side of the purlin receiving portion at a rising angle substantially equal to the rising angle of the existing climbing beam. By using a fastener to fasten the end of the new climbing beam and the climbing beam connection, the end of the new climbing beam is connected to the climbing beam connection, and the flat portion and the vertical member The top portion is fastened with a fastener, and the top purlin receiving connection portion and the top purlin receiving portion are connected. By installing the end of the new climbing beam at the upper end of the vertical member, the climbing beam bundle connection fitting and the upper end which are installed at the lower end of the existing climbing beam on the extension portion side By using a new climbing beam bundle having a new climbing beam connecting portion to be connected to the new climbing beam, the climbing beam bundle connection fitting and the existing climbing beam on the extension portion side are fastened by fasteners, whereby the climbing is performed. The beam bundle connection fitting is fixed to the existing climbing beam on the extension portion side, and the new climbing beam bundle connection portion and the new climbing beam are fastened with a fastener, so that the new climbing beam bundle is connected to the new climbing beam. It is characterized by being vertically erected between the existing climbing beam on the extension side.
[0010]
The climbing beam extension method according to claim 2, wherein the climbing beam installed at the intermediate portion of the existing large building is extended toward the end of the new large building on the extension portion side when the house is being extended. An extension method, wherein a flat portion installed on the top of a vertical member below the intermediate portion of the existing large building, and a top purlin receiving connection portion installed on a top purlin receiver installed on the upper end of the vertical member. A climbing beam extension fitting having a climbing beam connecting portion that rises from a central portion of one side of the purlin receiving portion at a rising angle substantially equal to the rising angle of the existing climbing beam, and has a climbing beam connecting portion connected to an end of a new climbing beam. By fastening the flat portion and the top of the vertical member with a fastener, and fastening the top purlin receiving connection portion and the top purlin receiver with a fastener, the end of the new climbing beam is vertically extended. Installed at the upper end of the member and at the lower end, the existing climbing beam on the extension side Using a new climbing beam bundle having a climbing beam bundle connection fitting to be installed and a new climbing beam connection portion connected to the new climbing beam at the upper end, the climbing beam bundle connection fitting and the existing climbing beam on the extension portion side are used. By fastening with a fastener, the climbing beam bundle connection fitting is fixed to the existing climbing beam on the extension portion side, and the new climbing beam bundle connection portion and the new climbing beam are fastened with a fastener, The new climbing beam bundle connection part is connected to the new climbing beam, and the new climbing beam bundle is vertically erected between the new climbing beam and the existing climbing beam on the extension side. It is.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the method of extending a climbing beam according to the present embodiment extends an existing climbing beam 100 installed at an intermediate portion of an existing large building toward an end of a new large building on the extension unit side. This is a method of extending a climbing beam, and as shown in FIG. 2, an end 2 of a new climbing beam 1 is attached to an upper end portion 102 of a bundle of existing climbing beams 101, which is a vertical member below an intermediate portion of an existing large building, and a beam extension fitting 3 is used. , And a new climbing beam bundle 4 is installed between the existing climbing beam 103 and the new climbing beam 1 on the extension side using the climbing beam bundle connection fitting 5. Hereinafter, this will be described in more detail.
[0012]
As shown in FIG. 2, the existing climbing beam 100 and the existing climbing beam 103 on the extension part side are fastened with two C-shaped steels 104 by bolting, the openings face outward from each other, and a gap at a desired interval is provided. And is supported by the existing climbing beam bundle 101 and the existing climbing beam bundle 105 so as to diagonally descend from the existing large building toward the end of the existing large beam.
[0013]
The existing climbing beam bundle 101 has the same configuration as the existing climbing beam 100, and the existing climbing beam bundle 105 is formed of one C-shaped steel 104. In addition, a climbing beam connecting portion is provided at the upper end of the existing climbing beam true bundle 101 and the existing climbing beam bundle 105, and a large beam connecting portion is provided at the lower end.
[0014]
A top purlin support 106 having a substantially L-shaped cross section is provided at the upper end portion 102 of the existing climbing beam bundle 101, and a purlin receiver 107 having a substantially L-shaped cross section is provided on the upper surfaces of the existing climbing beam 100 and the existing climbing beam 103 on the extension side. Each is provided. Further, through holes 108a and 109a for fixing the purlin are formed in the receiving portions 108 and 109 for receiving the purlin (see FIG. 9 or FIG. 11).
[0015]
As shown in FIG. 2, the new climbing beam 1 has the same configuration as the existing climbing beam 100 and the existing climbing beam 103 on the extension part side, and has a predetermined interval between the climbing beam extension fitting 3 and the new climbing beam bundle. 4, a through hole 1a is formed for connection to the hole 4 (see FIG. 11).
[0016]
As shown in FIG. 3, the climbing beam extension metal fitting 3 has a substantially rectangular top purlin receiving connection portion 6 having through holes 6a formed at both ends and a substantially rectangular shape having through holes 7a formed at both ends. A rising angle (hereinafter referred to as a “rising angle α”) that is substantially equal to the angle α formed between the girder shown in FIG. ), The climbing beam connecting portion 8 having two through holes 8a formed at the end facing the top purlin receiving connection portion 6, and the reinforcement connecting the top purlin receiving connecting portion 6 and the flat portion 7. And a part 9.
[0017]
As shown in FIG. 4 or FIG. 5, the length of the top purlin receiving connection portion 6 is substantially equal to the length of the receiving portion 108 of the top purlin receiving portion 106, and the through hole 6a is formed by connecting the top purlin receiving connection portion 6 to the top purlin. It is drilled at a position substantially matching the through hole 108a of the receiving portion 108 of the top purlin receiver 106 when applied to the receiving portion 108 of the receiving portion 106.
[0018]
The flat portion 7 has a length substantially equal to the length of the top purlin receiving connection portion 6, and the through hole 7 a has the existing climbing beam bundle 101 when the top purlin receiving connection portion 6 is applied to the receiving portion 108 of the top purlin receiving portion 106. Is formed at a position substantially coincident with the through-hole 110a formed at the top 110.
[0019]
Although the length of the climbing beam connecting portion 8 is not particularly limited, the thickness thereof is substantially equal to the gap between the two C-shaped steel members 104 of the new climbing beam 1, and the two through holes 8a are formed by connecting the center of the line. Form a rising angle α with respect to the horizontal direction, and are formed at positions where the interval is substantially equal to the through hole 1 a of the new climbing beam 1. Thus, when the climbing beam extension metal fitting 3 is fixed to the existing climbing beam true bundle 101, the climbing beam connecting portion 8 is located on the extension of the existing climbing beam 100.
[0020]
The reinforcing portion 9 has one end fixed to the edge of the top purlin receiving connection portion 6 and the lower end fixed to the edge of the flat portion 7, so that the top purlin receiving connecting portion 6 and the flat portion 7 are connected to each other. The top purlin receiving connection portion 6 and the flat portion 7 are connected while securing a gap 10 therebetween.
[0021]
As shown in FIG. 6, the new climbing beam bundle 4 has the same configuration as the existing climbing beam bundle 105, and has a new climbing beam connecting portion 11 having a through hole 11a formed at the upper end. The section is provided with a climbing beam bundle connection fitting 5. The two through-holes 11a of the new climbing beam connecting portion 11 are positioned such that a line connecting their centers forms a rising angle α with respect to the horizontal direction, and the interval is substantially equal to the through-hole 1a of the new climbing beam 1. (See FIG. 11).
[0022]
As shown in FIG. 6, the climbing beam bundle connection fitting 5 has a substantially rectangular installation portion 12 and a predetermined rising angle on the upper surface of the installation portion 12 at a central portion substantially parallel to the longitudinal direction of the installation portion 12 and in the width direction. an ascending beam bundle connecting portion 13 installed at β, and projecting from the lower surface of the installing portion 12 at substantially 90 ° at a central portion in a direction substantially parallel to a longitudinal direction of the installing portion 12 and in a width direction thereof. An existing climbing beam connecting portion 14 having a through-hole 14a formed at an end opposite to the above, and a purlin support having substantially 90 ° rising from one end of the installation portion 12 and having a through-hole 15a formed at both ends thereof. It has a connecting portion 15 and a reinforcing portion 16 which rises at approximately 90 ° from both side edges of the installation portion 12 and has one end portion to which the side edge of the purlin receiving connection portion 15 is fixed.
[0023]
As shown in FIG. 7 or FIG. 8, the installation part 12 is installed on the upper surface of the existing climbing beam 103 on the extension part side, the width thereof is substantially equal to the width of the receiving part 109 of the purlin receiver 107, The height is shorter than the installation interval of the purlin receiver 107. Further, on the lower surface of the end opposite to the purlin receiving connection section 15, an unevenness adjusting section 17 having a thickness substantially equal to the thickness of the purlin receiving 107 is provided.
[0024]
The ascending beam bundle connection portion 13 is for connecting the lower end of the new ascending beam bundle 4 to the ascending beam bundle connection fitting 5, and is provided at the center of one side surface thereof to reinforce the ascending beam bundle connection portion 13. A rib 18 is provided. The position in the length direction of the ascending beam bundle connection portion 13 is such that the new ascending beam bundle 4 is directly above the existing ascending beam bundle 105 when the ascending beam bundle connection fitting 5 is installed on the existing ascending beam 103 on the extension portion side. Position. When the rising beam bundle fitting 5 is installed on the existing climbing beam 103 on the extension part side, the rising angle β is set to 90 ° and the rising angle α of the existing climbing beam 100 is added to FIG. The part 13 is erected vertically on the existing climbing beam 103 on the extension part side.
[0025]
In the present embodiment, the connection between the new climbing beam bundle 4 and the climbing beam bundle connecting portion 13 is performed by welding, but the present invention is not limited to this. Alternatively, a through hole may be formed at the upper end of the section and the ascending beam bundle connection portion 13, and the new ascending beam bundle 4 may be connected to the ascending beam bundle connection portion 13 by bolting.
[0026]
The existing climbing beam connection part 14 is for installing the climbing beam bundle connection fitting 5 on the existing climbing beam 103 on the extension part side, and the thickness thereof is two C-shaped steels of the existing climbing beam 103 on the extension part side. The gap is substantially equal to the gap of the web 104, and the length thereof is longer than the length of the web of the C-section steel 104.
[0027]
The purlin receiving connection portion 15 is fixed to the receiving portion 109 of the purlin receiving portion 107 and fixes the climbing beam bundle connection fitting 5 to the existing climbing beam 103 on the extension portion side. And the height thereof is substantially equal to the height of the receiving portion 109 of the purlin receiver 107. The through hole 15a is formed at a position substantially matching the through hole 109a of the receiving portion 109 of the purlin receiver 107 when the installation portion 12 is placed on the upper surface of the existing climbing beam 103 on the extension portion side (FIG. 11). reference).
[0028]
As shown in FIG. 6, the reinforcing portion 16 is for reinforcing the climbing beam bundle connection fitting 5, and the lower corner of the purlin receiving connection portion 15 of the installation portion 12 is prevented from collecting water. A draining portion 19 is provided by cutting out a part of the edge contacting the corner.
[0029]
Hereinafter, the connection of the end portion 2 of the new climbing beam 1 to the upper end portion 102 of the existing bundle of true climbing beams 101 will be described. First, as shown in FIG. 9, the climbing beam connecting portion 8 of the climbing beam extension metal fitting 3 is inserted between two C-beams 104 constituting the new climbing beam 1, and the end 2 of the new climbing beam 1 is formed. By fastening the through hole 1a and the through hole 8a of the climbing beam connecting portion 8 of the climbing beam extension metal fitting 3 with a fastener 200 composed of a bolt and nut, the end 2 of the new climbing beam 1 is climbed to the climbing beam extension metal fitting 3. Connect to
[0030]
Then, the top purlin receiver 106 on the extension part side is fitted into the gap 10 of the climbing beam extension metal fitting 3, and the top purlin receiving connection part 6 of the climbing beam extension metal fitting 3 is applied to the receiving part 108 of the top purlin receiver 106 on the extension part side. Then, the through hole 108a of the receiving part 108 and the through hole 6a of the top purlin receiving connection part 6 are fastened with the fastener 200, and the flat part 7 of the climbing beam extension metal fitting 3 is placed on the top 110 of the existing climbing beam bundle 101, By fastening the through hole 110a of the top portion 110 and the through hole 7a of the flat portion 7 with the fastener 200, the climbing beam extension metal fitting 3 is fixed to the top purlin receiver 106 on the extension portion side and the top portion 110 of the existing climbing beam bundle 101. . As a result, as shown in FIGS. 4 and 5, one end 2 of the new climbing beam 1 is connected to the upper end 102 of the existing true bundle of climbing beams 101, and is located on the extension of the existing climbing beam 100.
[0031]
Next, installation of the new climbing beam bundle 4 on the existing climbing beam 103 on the extension part side will be described. First, as shown in FIG. 10, the existing climbing beam connecting part 14 of the climbing beam bundle fitting 5 is inserted between the two C-shaped steels 104 of the existing climbing beam 103 on the extension part side, and the climbing beam bundle fitting 5 is inserted. Is placed on the upper surface of the existing climbing beam 103 on the extension portion side, and through holes 20a are formed on either side of the projecting portion of the existing climbing beam connection portion 14 projecting from the lower surface of the existing climbing beam 103 on the extension portion side. Is applied to each of the two bent plates 20 with holes, and the through-holes 20a of each plate 20 and the through-holes 14a of the existing ascending beam connecting portions 14 are fastened with fasteners 200, thereby assembling the climbing beam bundle fitting. 5 is installed on the upper surface of the existing climbing beam 103 on the extension part side.
[0032]
As shown in FIG. 11, the purlin receiving connection portion 15 of the climbing beam bundle connection fitting 5 is applied to the receiving portion 109 of the purlin receiver 107 near the existing climbing beam bundle 105, and the through hole 15 a of the purlin receiving connection portion 15 is received. By fastening the through hole 109a of the portion 109 with the fastener 200 and fixing the purlin receiving connection portion 15 to the purlin receiving portion 107, the climbing beam bundle connection fitting 5 is fixed to the upper surface of the existing climbing beam 103 on the extension portion side. . As a result, as shown in FIGS. 7 and 8, the climbing beam bundle connection fitting 5 is fixed to the existing climbing beam 103 on the extension portion side.
[0033]
Then, as shown in FIG. 11, the new climbing beam connecting portion 11 is inserted between the two C-shaped steels 104 of the new climbing beam 1, and the penetration hole 1 a of the new climbing beam 1 and the penetration of the new climbing beam connecting portion 11 are formed. The new climbing beam connecting part 11 is connected to the new climbing beam 1 by fastening the hole 11 a with a fastener (not shown). Thereby, as shown in FIG. 7, the new climbing beam bundle 4 is erected vertically right above the existing climbing beam bundle 105.
[0034]
As described above, as shown in FIG. 2, the new climbing beam bundle 4 is vertically erected between the existing climbing beam 103 and the new climbing beam 1 on the extension side to support the new climbing beam 1. The beam 1 is installed on the extension of the existing climbing beam 100 at the rising angle α, that is, as shown in FIG. 1, the existing climbing beam 100 is extended toward the end of the new large building on the extension side. It becomes.
[0035]
In addition, as shown in FIG. 12, when the new climbing beam bundle 4 is provided so as to be shifted from directly above the existing climbing beam bundle 105 for the sake of design, a purlin receiving connection portion 15 is provided at the other end of the installation portion 12. The new climbing beam bundle 4 is attached to the existing climbing beam 103 on the extension section side by using the provided climbing beam bundle connection fitting 30 and fixing the purlin receiving connection 15 of the climbing beam bundle connection fitting 30 to the purlin support 107. Install.
[0036]
Further, in the present embodiment, the new climbing beam bundle 4 is one C-shaped steel 104, but may be two C-shaped steels 104 similarly to the existing climbing beam true bundle 101. As shown in FIG. 13, the climbing beam bundle connection fitting 40 in this case has a length of the installation portion 12 substantially equal to an installation interval of the purlin receiver 107, and a purlin reception connection portion 15 is provided at both ends of the installation portion 12. I have.
[0037]
As shown in FIG. 14, the connection between the climbing beam bundle connection fitting 40 and the existing climbing beam 103 on the extension portion side is performed by fitting the climbing beam bundle connection fitting 40 between two purlin receivers 107, and This is performed by fastening the receiving portion 109 of 107 and each purlin receiving connecting portion 15 with the fastener 200. The connection between the new climbing beam bundle 4 and the climbing beam bundle connection fitting 5 is performed by forming through holes at the lower end of the new climbing beam bundle 4 and the upper end of the climbing beam bundle connection portion 13, respectively. Although the hole is fastened by the fastener 200, the fitting angle of the climbing beam bundle connection fitting 5 to the existing climbing beam 103 on the extension part side is limited. The connection is made after fixing to the climbing beam 103.
[0038]
Furthermore, in the embodiment of the present invention, the hut group of the existing house is a truss group, but as shown in FIG. 15, the same applies when the existing hut group is a Japanese hut group. The end 2 of the new climbing beam 1 is connected to the upper end portion 102 of the existing true beam bundle 101 using the beam extension metal fitting 3, and the new climbing beam bundle 4 is connected to the existing climbing beam on the extension part side using the metal beam connecting fitting 5. It is erected vertically between 103 and the new climbing beam 1.
[0039]
【The invention's effect】
As described above, the method of extending a climbing beam according to claim 1 of the present invention includes a flat portion installed on the top of a vertical member below an intermediate portion of the existing large building and an upper end of the vertical member. Climbing having a top purlin receiver connecting portion installed on the set top purlin receiver, and a climbing beam connecting portion rising from a central portion of one side of the purlin receiving portion at a rising angle substantially equal to the rising angle of the existing climbing beam. By using a beam extension fitting, an end of the new climbing beam and the climbing beam connecting portion are fastened with a fastener, thereby connecting an end of the new climbing beam to the climbing beam connecting portion, and the flat portion and the flat portion are connected to each other. The top of the vertical member is fastened with a fastener, and the top purlin receiving connection portion and the top purlin receiver are fastened with the fastener, thereby installing the end of the new climbing beam at the upper end of the vertical member. At the same time, it will be installed on the existing climbing beam on the extension side at the lower end Using a new climbing beam bundle having a climbing beam connection fitting and a new climbing beam connection portion connected to the new climbing beam at the upper end portion, and fastening the climbing beam bundle connection fitting to the existing climbing beam on the extension section side By fastening the climbing beam bundle connection fitting to the existing climbing beam on the extension part side, and fastening the new climbing beam bundle connection portion and the new climbing beam with a fastener, the new climbing beam Since the beam bundle connection part is connected to the new climbing beam and the new climbing beam bundle is erected vertically between the new climbing beam and the existing climbing beam on the extension side, the existing hut group is completely There is an advantage that the climbing beam installed in the middle part of the existing large building can be extended toward the end of the new large building on the extension part side without being dismantled.
[0040]
Further, since the existing hut group is not completely dismantled, there is an advantage that not only the construction period can be shortened, but also the workability can be improved while reducing labor.
[0041]
Furthermore, the workability is improved by connecting the end of the new climbing beam to the top purlin receiver and fixing the new climbing bundle to the existing climbing beam and the new climbing beam on the extension section side with fasteners. In addition to this, there is an advantage that sufficient safety can be ensured as compared with welding.
[0042]
Furthermore, since the existing hut is not completely dismantled, there is an advantage that not only the amount of industrial waste generated can be reduced, but also the cost for transporting and processing the waste can be reduced. .
[0043]
In addition, there is an advantage that the shortening of the construction period shortens the period of inconvenience to the customer, thereby reducing the burden on the customer.
[0044]
The extension method of the climbing beam according to claim 2 is installed on a flat portion installed on a top of a vertical member below an intermediate portion of the existing large building, and on a top purlin receiver installed on an upper end of the vertical member. It has a top purlin receiving connection part, and a climbing beam connection part which rises from one side central part of the purlin receiving connection part at a rising angle substantially equal to the rising angle of the existing climbing beam, and connects the end of the new climbing beam. By using a climbing beam extension metal fitting, the flat portion and the top of the vertical member are fastened with a fastener, and the top purlin receiving connection portion and the top purlin receiving are fastened with a fastener, thereby forming the new climbing beam. A climbing beam bundle connection fitting installed on an existing climbing beam on an extension portion side at a lower end portion and a new climbing beam connecting portion connected to the new climbing beam on an upper end portion, the end portion being installed at an upper end portion of the vertical member. Using a new climbing beam bundle having The climbing beam bundle connection fitting is fixed to the existing climbing beam on the extension section side by fastening the bracket and the existing climbing beam on the extension section side with a fastener, and the new climbing beam bundle connection section and the new climbing beam are connected. By fastening the beam with a fastener, the new climbing beam bundle connection portion is connected to the new climbing beam, and the new climbing beam bundle is placed between the new climbing beam and the existing climbing beam on the extension side. Since it is erected vertically, in addition to the advantage of claim 1, there is an advantage that labor saving in construction at a construction site can be achieved.
[0045]
That is, according to the method of extending a climbing beam of the present invention, there is an advantage that labor saving of construction, cost reduction, and reduction of waste can be achieved.
[Brief description of the drawings]
FIG. 1 is a plan view schematically showing an entire hut assembly according to an embodiment of the present invention.
FIG. 2 is a side view showing a hut set including a new climbing beam.
FIG. 3 is a perspective view showing a climbing beam extension fitting.
FIG. 4 is an enlarged view of a part A of FIG. 2;
FIG. 5 is a plan view of FIG. 4;
FIG. 6 is a perspective view showing a new climbing beam bundle and a climbing beam bundle connection fitting.
FIG. 7 is an enlarged view of a part B of FIG. 2;
FIG. 8 is a plan view of FIG. 7;
FIG. 9 is an explanatory view showing a procedure for connecting a climbing beam extension fitting to a top purlin receiver.
FIG. 10 is an explanatory diagram showing a procedure for fixing the climbing beam bundle connection fitting to an existing climbing beam on the extension portion side at a portion C in FIG. 8;
FIG. 11 is an explanatory view showing a procedure for fixing the climbing beam bundle connection fitting to an existing climbing beam on the extension portion side.
FIG. 12 is a side view showing a climbing beam bundle connection fitting of another embodiment.
FIG. 13 is a plan view showing a climbing beam bundle connection fitting of another embodiment.
FIG. 14 is a side view showing a climbing beam bundle connection fitting of another embodiment.
FIG. 15 is a side view showing a hut group including a new climbing beam in the Japanese hut group.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 New ascending beam 2 End 3 Ascending beam extension metal fitting 4 New ascending beam bundle 5 Ascending beam bundle connecting metal fitting 6 Top purlin receiving connection part 7 Flat part 8 Ascending beam connecting part 100 Existing ascending beam 101 Existing ascending beam true bundle (vertical member)
102 Upper end 103 Existing climbing beam 106 on the side of the extension part Top purlin receiver 110 Top 200 Fastener

Claims

A method of extending a climbing beam installed in the middle of an existing large building toward an end of a new large building on the side of an extension when building a house,
A flat part installed on the top of the vertical member below the middle part of the existing large building, a top purlin receiving connection installed on the top purlin receiver installed on the upper end of the vertical member, and a top purlin receiving connection Using a climbing beam extension fitting having a climbing beam connecting portion that rises from a central portion on one side at a rising angle substantially equal to the rising angle of the existing climbing beam, the end of the new climbing beam is fastened to the climbing beam connecting portion. By fastening with a fastener, the end of the new climbing beam is connected to the climbing beam connection part, the flat part and the top of the vertical member are fastened with a fastener, the top purlin receiving connection part and the top part By fastening the purlin receiver with a fastener, the end of the new climbing beam is installed at the upper end of the vertical member,
A climbing beam bundle connection having a climbing beam bundle connection fitting installed on an existing climbing beam on the extension section side at a lower end and a new climbing beam connection portion connected to the new climbing beam at an upper end portion. The climbing beam bundle connection fitting is fixed to the existing climbing beam on the extension section side by fastening the bracket and the existing climbing beam on the extension section side with a fastener, and the new climbing beam bundle connection section and the new climbing beam are connected. By fastening the beam with a fastener, the new climbing beam bundle connection portion is connected to the new climbing beam, and the new climbing beam bundle is placed between the new climbing beam and the existing climbing beam on the extension side. A method of extending a climbing beam characterized by being erected vertically.

A method of extending a climbing beam installed in the middle of an existing large building toward an end of a new large building on the side of an extension when building a house,
A flat part installed on the top of the vertical member below the middle part of the existing large building, a top purlin receiving connection installed on the top purlin receiver installed on the upper end of the vertical member, and a top purlin receiving connection Using a climbing beam extension metal fitting having a climbing beam connecting portion connecting an end of a new climbing beam with a rising angle substantially equal to the rising angle of the existing climbing beam from the central portion of one side, the flat portion and the flat portion The top of the vertical member is fastened with a fastener, and the top purlin receiving connection part and the top purlin receiver are fastened with the fastener, thereby setting the end of the new climbing beam at the upper end of the vertical member. Along with
A climbing beam bundle connection having a climbing beam bundle connection fitting installed on an existing climbing beam on the extension section side at a lower end and a new climbing beam connection portion connected to the new climbing beam at an upper end portion. The climbing beam bundle connection fitting is fixed to the existing climbing beam on the extension section side by fastening the bracket and the existing climbing beam on the extension section side with a fastener, and the new climbing beam bundle connection section and the new climbing beam are connected. By fastening the beam with a fastener, the new climbing beam bundle connection portion is connected to the new climbing beam, and the new climbing beam bundle is placed between the new climbing beam and the existing climbing beam on the extension side. A method of extending a climbing beam characterized by being erected vertically.