JP3926122B2

JP3926122B2 - Load-bearing wall structure and load-bearing wall assembly method

Info

Publication number: JP3926122B2
Application number: JP2001251289A
Authority: JP
Inventors: 博上谷; 幸伸小出; 祐史上田; 和夫中原; 寿弘堀江; 宗男小谷
Original assignee: Sekisui House Ltd
Current assignee: Sekisui House Ltd
Priority date: 2001-08-22
Filing date: 2001-08-22
Publication date: 2007-06-06
Anticipated expiration: 2021-08-22
Also published as: JP2003064809A

Description

【０００１】
【発明の属する技術分野】
本発明は、住宅の増築工事に際して、非耐力壁を耐力壁にするための耐力壁の組込工法、及び増築工事と新築工事の双方において採用される耐力壁の構造に関する。
【０００２】
【従来の技術】
住宅の増築工事に際しては、住宅の構造上、既存建築部の非耐力壁を耐力壁に改造して、所定の場所に耐力壁を設けなければならない場合がある。この場合の施工法としては、既存の一般軸（軸組）を取り外して、その壁部全体を耐力壁にそっくり入れ替える工法や、既存の一般軸はそのままにして、その軸が形成する枠の四隅にブレースを溶接にて追加することにより、耐力壁を構成する工法がある。
【０００３】
【発明が解決しようとする課題】
ところが、既存の一般軸を取り外して、その壁部全体を耐力壁にそっくり入れ替える工法は、既存の軸組を切断したり、新たな軸組を組み込んだりするため、時間と労力を要するものであった。加えて、切断した軸組の断片や取り替えによって生じた不要な軸組が産業廃棄物となり、この廃棄物の処理に別途費用が発生するという問題もあった。
【０００４】
また、既存の一般軸はそのままにして、その軸が形成する枠の四隅にブレースを溶接にて追加する工法にあっては、溶接の有資格者でないと施工を行うことができないという問題が生じ、さらに有資格者であっても現場溶接は信頼性が低くく、施工の確実性に問題がある。さらに、住宅施工現場では、引火し易い材料や廃材等が散乱していることが多く、施工時の火花により火災を引き起こす危険性があり、さらには現場作業者に余計な気遣いをさせて作業能率を低下させるという問題も生じる。
【０００５】
本発明は、かかる問題を解決するためになされたものであり、軸組を切断せず、軸組を取り替えず、かつ、産業廃棄物となる軸組の切断片等を発生させずに、非耐力壁を耐力壁にする耐力壁の組込工法及びその耐力壁の構造を提供することを目的とする。
【０００６】
【課題を解決するための手段】
上記目的を達成するために、請求項１記載の耐力壁の構造は、枠形状に配設された軸組の内周側に、該枠形状に略合致する形状の面材が面材取付金具を介して固定された耐力壁の構造であって、前記面材取付金具は、前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、前記面材の縁端部を係止して該面材の壁面方向への移動を拘束する面材拘束部と、を備え、前記面材取付金具の軸組固定部が前記軸組の内周面に固定具により固定され、前記面材が、前記面材取付金具の面材拘束部によって形成される枠に嵌合されつつ、前記面材固定部に固定具により固定されたことを特徴としている。
【０００７】
請求項２記載の耐力壁の構造は、請求項１記載の耐力壁の構造において、前記面材は、パンチングメタルであることを特徴としている。
【０００８】
請求項３記載の耐力壁の組込工法は、枠形状に配設された軸組に外壁パネルが固定されてなる外壁部を耐力壁にする耐力壁の組込工法であって、既設の外壁パネルを前記軸組から取り外す外壁パネル取り外し工程と、前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、を備えた面材取付金具を、前記軸組の内周面に固定具により固定する面材取付金具取付工程と、前記面材を前記軸組の内周側に嵌合しつつ、前記面材取付金具の面材固定部に固定具により固定する面材取付工程と、外壁パネル取り外し工程において取り外した既設の外壁パネルを前記軸組に再び取付る外壁パネル復帰工程と、を含むことを特徴としている。
【０００９】
請求項４記載の耐力壁の組込工法は、枠形状に配設された軸組に外壁パネルが固定されてなる外壁部を耐力壁にする耐力壁の組込工法であって、既設の外壁パネルを前記軸組から取り外す外壁パネル取り外し工程と、前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、前記面材の縁端部を係止して該面材の壁面方向への移動を拘束する面材拘束部と、を備えた面材取付金具を、前記軸組の内周面に固定具により固定する面材取付金具取付工程と、前記面材を前記面材取付金具の面材拘束部によって形成される枠に嵌合しつつ、前記面材取付金具の面材固定部に固定具により固定する面材取付工程と、外壁パネル取り外し工程において取り外した既設の外壁パネルを前記軸組に再び取付る外壁パネル復帰工程と、を含むことを特徴としている。
【００１０】
請求項５記載の耐力壁の組込工法は、請求項３又は４記載の耐力壁の組込工法において、前記面材は、パンチングメタルであることを特徴としている。
【００１２】
【発明の実施の形態】
以下、本発明の実施の形態に係る耐力壁の構造及び耐力壁の組込工法について図面に基づき説明する。図１及び図２に示すように、本発明の実施の形態に係る耐力壁の構造Ａは、枠形状に配設されたリップ溝形鋼からなる軸組１に外壁パネルが固定されてなる外壁部Ｘにおける耐力壁の構造であって、枠形状に配設された軸組１の内周側に、該枠形状に略合致する形状の２枚の面材２が面材取付金具３を介して固定され、該面材２上から、外壁パネル６が前記軸組１に取付られたものである。
【００１３】
図３に示すように、前記面材取付金具３は、軸組１の内周面１ａに固定される軸組固定部３ａと、該軸組固定部３ａの両側部から該軸組固定部３ａに対して直角に形成された長さの異なる２つの面材固定部３ｂと、前記面材固定部３ｂのうち長い方に形成された凸条であって、面材取付状態において、面材２の縁端部を係止して該面材２の壁面方向への移動を拘束する面材拘束部３ｃとを有し、さらに前記軸組固定部３ａには前記軸組１とボルト締結するためのボルト孔３ｄが、前記面材固定部３ｂには前記面材２とボルト締結するためにボルト孔３ｅが複数穿設され、これらボルト孔３ｅの面材２取付面と反対側にはナット４ｂが溶接により固着されている。
【００１４】
耐力壁の構造Ａの中に設けられた前記面材取付金具３は、図２に示すように、軸組１の枠サイズに応じて適切な長さのものが使用され、面材取付等の作業を行う側、つまり戸外側に前記面材固定部３ｂのうち短い方を配置して軸組１の内周面に沿って固定具４ａ、４ｂによって固定されている。
【００１５】
前記面材２としては、前述したように、軸組１によって形成される枠形状に合致する形状のもの、例えば、その枠形状が矩形であれば、図示するような矩形の面材２であって周縁部にボルト取付孔２ａが所定間隔をおいて多数穿設されたものが使用される。該面材２の材料としては、建築構造上必要な強度を確保すると共に同外形のものと比較して軽量であるパンチングメタルが使用されている。該面材２の取付状態は、２枚の面材２のうち、戸外側に配置された面材２Ａは、軸組１の内周側に嵌合されつつ、前記面材取付金具３の面材固定部３ｂに固定具４ａ、４ｂにより固定され、室内側に配置された面材２Ｂは、前記面材拘束部３ｃにより形成される枠に嵌合されつつ、前記面材取付金具３の面材固定部３ｂに固定具４ａ、４ｂにより固定されている。なお、面材２は前記パンチングメタルに限定されず、建築構造上必要な強度を有するものであればよい。例えば、パンチングメタルが有する多数孔のない単なる板材やメッシュ材などでもよい。
【００１６】
前記軸組１と前記面材取付金具３、及び前記面材取付金具３と前記面材を固定する固定具としては、前記ボルト４ａとナット４ｂを用いることができるが、十分な強度を有する固定具であればビス、リベット、その他のものであってもよい。
【００１７】
前記外壁パネル６として、断面コの字形材で矩形に形成された枠体７と、該枠体７に固定された外壁ボード８と、前記枠体７の内側に配設された断熱材９とからなるものを図示しているが、外壁パネル６は、この仕様のものに限定される必要はなく、他の種類の外壁パネルであってもよい。
【００１８】
つぎに、上記耐力壁を非耐力壁に組み込む耐力壁の組込工法について説明する。まず、最初に、図４に示すように、耐力壁を組み込むべき外壁部Ｘにおいて、既設の外壁パネル６を軸組１から取り外して、該軸組１を戸外側に露出させる（外壁パネル取り外し工程）。
【００１９】
次に、前記軸組１の長さに対応する面材取付金具３を夫々軸組１の内周面１ａ、厳密にはリップ溝形鋼のウエブ面１ａに、ボルト４ａ及びナット４ｂを用いて固定する（面材取付金具取付工程）。これらボルト４ａ及びナット４ｂは、工数削減のため軸組同士或いは軸組と基礎を締結しているものを流用することが好ましいが、適切な位置にボルト等が予め設けられていない場合は、軸組同士に貫通孔を穿設してボルト４ａ及びナット４ｂを取り付け、或いは基礎上の軸組１においては、基礎にアンカーボルト等を設けて、基礎と該基礎上の軸組１とを締結する。
【００２０】
そして、図５に示すように、まず先に、室内側へ配置すべき面材２Ｂを、前記面材拘束部３ｃが形成する枠に嵌合しつつ、その周縁部においてボルト４ａ及び面材固定部３ｂの裏面に固着されたナット４ｂを用いて該面材固定部３ｂに固定し、つぎに戸外側へ配置すべき面材２Ａを軸組１の内周側に嵌合しつつ、その周縁部においてボルト４ａ及び面材固定部３ｂの裏面に固着されたナット４ｂを用いて該面材固定部３ｂに固定する（面材取付工程）。なお、前記面材２にはパンチングメタルが使用されているので、多数の孔が穿設されていない単なる面材と比較して、該面材２の取付作業を行う作業者の負荷が軽減される。
【００２１】
最後に、図６に示すように、前述した外壁パネル取り外し工程において取り外した既設の外壁パネル６を所定の取付金具１１を用いて再び軸組１に取付け、耐力壁の組込施工が完了する（外壁パネル復帰工程）。
【００２２】
なお、上記した発明の実施の形態においては、前記面材２は１つの枠に２枚ずつ設けたが、該面材２の枚数や、厚さ等は、建築構造上必要とされる強度に応じて決定することができる。すなわち、高い強度が必要な場合は厚い面材２を２枚取付け、あまり強度が必要でない場合は、薄い面材２を使用したり、取り付ける面材２を１枚とすることにより必要な強度を適宜確保することができる。また、前記面材取付金具３は、２つの面材固定部３ｂを有し、その一方に面材拘束部３ｃが設けられたものであるが、これは、軸組としてのリップ溝形鋼のリブとの位置関係を考慮したものである。したがって、前記のように面材２の壁面方向の移動を拘束させるための拘束体として、リップ溝形鋼のリブ１ｂを利用できる場合は、室内側の面材固定部３ｂにのみ面材拘束部３ｃを設ければよいが、例えば前記リブ１ｂ同士の離間距離が大きく、リブ１ｂを前記拘束体として利用することができない場合などにおいては、双方の面材固定部３ｂに面材拘束部３ｃを設けたものを使用する。
【００２３】
また、軸組１としてリップ溝形鋼を使用したものについて上記に説明したが、軸組１の形状はこれに限定されず、例えば図７に示すように、断面矩形の木材軸組１Ａ等からなる外壁部Ｙであっても、双方の面材固定部３ｂに面材拘束部３ｃを設けた面材取付金具３Ａを使用することにより、同様にして耐力壁の構造Ｂを形成することができる。
【００２４】
以上説明した耐力壁の構造は、増築工事に限らず、新築工事においても採用することができる。また、本実施の形態においては、外壁部における耐力壁の組込工法及び耐力壁の構造について説明したが、枠形状に配設された軸組に壁パネルが固定されてなる界壁、間仕切壁等においても同様にかかる耐力壁を設けることができる。
【００２５】
【発明の効果】
請求項１記載の耐力壁の構造は、枠形状に配設された軸組の内周側に、該枠形状に略合致する形状の面材が面材取付金具を介して固定された耐力壁の構造であって、前記面材取付金具は、前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、前記面材の縁端部を係止して該面材の壁面方向への移動を拘束する面材拘束部と、を備え、前記面材取付金具の軸組固定部が前記軸組の内周面に固定具により固定され、前記面材が、前記面材取付金具の面材拘束部によって形成される枠に嵌合されつつ、前記面材固定部に固定具により固定されたものであるので、該耐力壁の構造を設けるに際して、軸組の切断及び取替、並びに溶接施工を必要とせず、一般の作業者が能率よく耐力壁の組込施工を行うことが可能である。加えて、軸組の切断及び取替を要しないことから、産業廃棄物として処理すべき軸組の切断片等が発生せず、産業廃棄物処理コストの低減が図られる。
【００２６】
請求項２記載の耐力壁の構造は、請求項１記載の耐力壁の構造において、前記面材がパンチングメタルであるものであるので、施工に際して作業者の負担を軽減し、施工能率の向上が図られる。
【００２７】
請求項３記載の耐力壁の組込工法は、前記外壁パネル取り外し工程と、前記面材取付金具取付工程と、面材を軸組の内周側に嵌合しつつ、面材固定部に固定具により固定する面材取付工程と、前記外壁パネル復帰工程と、を含む工法であるので、該工法によれば、請求項１記載の耐力壁の構造と同様の効果が得られる。
【００２８】
請求項４記載の耐力壁の組込工法は、前記外壁パネル取り外し工程と、前記面材取付金具取付工程と、面材を面材拘束部によって形成される枠に嵌合しつつ、面材固定部に固定具により固定する面材取付工程と、前記外壁パネル復帰工程と、を含む工法であるので、該工法によれば、請求項１記載の耐力壁の構造と同様の効果が得られる。
【００２９】
請求項５記載の耐力壁の組込工法は、請求項３又は４記載の耐力壁の組込工法において、前記面材がパンチングメタルである工法であるので、施工に際して作業者の負担を軽減し、施工能率の向上が図られる。
【図面の簡単な説明】
【図１】本発明の実施の形態に係る耐力壁及びその周囲の外壁部の構造を示した平面図である。
【図２】本発明の実施の形態に係る耐力壁を設けた外壁を戸外側からみた場合の概略図である。
【図３】面材取付金具を示した斜視図である。
【図４】外壁パネルを取り外して、面材取付金具を取り付ける場合の説明図である。
【図５】面材取付金具に面材を取り付ける場合の説明図である。
【図６】軸組に固定した面材の上から先に取り外した外壁パネルを再び取り付ける場合の説明図である。
【図７】リップ溝形鋼以外の軸組を使用して耐力壁の構造を形成した例を示した平面図である。
【符号の説明】
Ａ、Ｂ耐力壁の構造
Ｘ、Ｙ外壁部
１、１Ａ軸組
１ａ軸組の内周面
２、２Ａ、２Ｂ面材
３面材取付金具
３ａ軸組固定部
３ｂ面材固定部
３ｃ面材拘束部
４ａ、４ｂ固定具[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a load-bearing wall assembling method for converting a non-bearing wall into a load-bearing wall at the time of extension work of a house, and a structure of a load-bearing wall employed in both extension work and new construction work.
[0002]
[Prior art]
When expanding a house, it may be necessary to remodel a non-bearing wall of an existing building part into a bearing wall and to provide a bearing wall at a predetermined place due to the structure of the house. The construction method in this case is to remove the existing general shaft (shaft assembly) and replace the entire wall with the bearing wall, or leave the existing general shaft as it is, and leave the four corners of the frame formed by the shaft. There is a method of constructing a load-bearing wall by adding braces by welding.
[0003]
[Problems to be solved by the invention]
However, the method of removing the existing general shaft and replacing the entire wall part with the bearing wall completely requires time and effort because it cuts the existing shaft assembly or incorporates a new shaft assembly. It was. In addition, there is a problem in that an unnecessary shaft group generated by exchanging a fragmented shaft group or replacing it becomes industrial waste, and there is a separate cost for processing this waste.
[0004]
In addition, if the existing general shaft is left as it is and the method of adding braces to the four corners of the frame formed by the shaft by welding, there is a problem that construction can only be performed by qualified personnel. In addition, even on the qualified person, field welding is not reliable and there is a problem in the certainty of construction. In addition, materials that are easily flammable and waste materials are often scattered at the construction site, and there is a risk of causing fire due to sparks during construction. There is also a problem of lowering.
[0005]
The present invention has been made to solve such a problem, and does not cut the shaft set, replace the shaft set, and generate a cutting piece of the shaft set that becomes industrial waste. An object of the present invention is to provide a load-bearing wall assembling method and a structure of the load-bearing wall.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the structure of the load bearing wall according to claim 1 is characterized in that a face material having a shape substantially matching the frame shape is provided on the inner peripheral side of the shaft assembly arranged in the frame shape. The face member mounting bracket is formed at a right angle with respect to the shaft fixing portion and a shaft fixing portion fixed to the inner peripheral surface of the shaft assembly. A face member fixing part; and a face member restraining part that restrains movement of the face member in the wall surface direction by locking an edge portion of the face member, and the shaft member fixing part of the face member mounting bracket. Is fixed to the inner peripheral surface of the shaft assembly by a fixture, and the face material is fitted to a frame formed by the face material restraining portion of the face material mounting bracket, and the fixture is attached to the face material fixing portion. It is characterized by being fixed.
[0007]
The structure of the load-bearing wall according to claim 2 is the structure of the load-bearing wall according to claim 1, wherein the face material is a punching metal .
[0008]
The load-bearing wall assembling method according to claim 3 is a load-bearing wall assembling method in which an outer wall portion in which an outer wall panel is fixed to a shaft assembly arranged in a frame shape is used as a load-bearing wall. An outer wall panel removing step for removing the panel from the shaft assembly, a shaft assembly fixing portion fixed to the inner peripheral surface of the shaft assembly, and a face material fixing portion formed at right angles to the shaft assembly fixing portion. A surface material mounting bracket mounting step for fixing the provided surface material mounting bracket to the inner peripheral surface of the shaft assembly with a fixture, and the surface material mounting while fitting the surface material to the inner peripheral side of the shaft assembly. It includes a face material attaching step for fixing to the face material fixing portion of the metal fitting with a fixture, and an outer wall panel returning step for attaching the existing outer wall panel removed in the outer wall panel removing step to the shaft assembly again . .
[0009]
The load-bearing wall assembling method according to claim 4 is a load-bearing wall assembling method in which an outer wall portion formed by fixing an outer wall panel to a shaft assembly arranged in a frame shape is used as a load-bearing wall. an outer wall panel removal step of removing the panel from the framing, the framing fixing portion fixed to the inner circumferential surface of the framing, the surface material fixing portion formed at right angles to the shaft assembly fixed portion, wherein A face material mounting bracket having a face material restraining portion that locks the edge of the face material and restrains the movement of the face material in the wall surface direction is fixed to the inner peripheral surface of the shaft assembly by a fixture. And fixing the face material to the face material fixing portion of the face material attachment metal fitting while fitting the face material to a frame formed by the face material restraining portion of the face material attachment metal fitting. Outer wall for reattaching the existing outer wall panel removed in the face material attaching process and the outer wall panel removing process to the shaft assembly It is characterized in that it comprises a panel return step.
[0010]
A load-bearing wall assembling method according to claim 5 is characterized in that in the load-bearing wall assembling method according to claim 3 or 4, the face material is a punching metal .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the structure of the load-bearing wall and the method for assembling the load-bearing wall according to the embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1 and FIG. 2, the structure A of the bearing wall according to the embodiment of the present invention is an outer wall in which an outer wall panel is fixed to a shaft assembly 1 made of lip grooved steel arranged in a frame shape. In the structure of the load-bearing wall in the portion X, two face members 2 having a shape substantially matching the frame shape are provided on the inner peripheral side of the shaft assembly 1 arranged in the frame shape via the face material mounting bracket 3. The outer wall panel 6 is attached to the shaft assembly 1 from above the face material 2.
[0013]
As shown in FIG. 3, the face member mounting bracket 3 includes a shaft assembly fixing portion 3a fixed to the inner peripheral surface 1a of the shaft assembly 1, and the shaft assembly fixing portion 3a from both sides of the shaft assembly fixing portion 3a. Two surface material fixing portions 3b having different lengths formed at right angles to the surface material, and a protrusion formed on the longer one of the surface material fixing portions 3b. A face material restraining portion 3c that locks the edge portion of the face material 2 and restrains the face material 2 from moving in the direction of the wall surface. Further, the shaft assembly fixing portion 3a is fastened to the shaft assembly 1 by bolts. A plurality of bolt holes 3e are formed in the face material fixing portion 3b to fasten the bolt with the face material 2, and a nut 4b is provided on the opposite side of the bolt hole 3e to the face material 2 mounting surface. Is fixed by welding.
[0014]
As shown in FIG. 2, the face material mounting bracket 3 provided in the structure A of the load bearing wall has an appropriate length according to the frame size of the shaft assembly 1. The shorter one of the face material fixing portions 3b is arranged on the side where work is performed, that is, the door exterior side, and is fixed along the inner peripheral surface of the shaft assembly 1 by the fixing tools 4a and 4b.
[0015]
As described above, the face material 2 has a shape that matches the frame shape formed by the shaft assembly 1, for example, a rectangular face material 2 as shown in the figure if the frame shape is rectangular. In this case, a plurality of bolt mounting holes 2a are formed in the peripheral portion at predetermined intervals. As the material for the face material 2, punching metal is used which ensures the strength required for the building structure and is lighter than the outer shape. The mounting state of the face material 2 is the surface of the face material mounting bracket 3 while the face material 2A arranged on the door outside of the two face materials 2 is fitted to the inner peripheral side of the shaft assembly 1. The face material 2B fixed to the material fixing portion 3b by the fixtures 4a and 4b and disposed on the indoor side is fitted into a frame formed by the face material restraining portion 3c, and the surface of the face material mounting bracket 3 It is being fixed to the material fixing | fixed part 3b with the fixing tools 4a and 4b. In addition, the face material 2 is not limited to the said punching metal, What is necessary is just to have intensity | strength required on a building structure. For example, a simple plate material or mesh material without a large number of holes that the punching metal has may be used.
[0016]
The bolt 4a and the nut 4b can be used as the shaft assembly 1 and the face material mounting bracket 3 and the fixture for fixing the face material mounting bracket 3 and the face material, but they have sufficient strength. As long as it is a tool, it may be a screw, a rivet, or the like.
[0017]
As the outer wall panel 6, a frame body 7 formed in a rectangular shape with a U-shaped cross section, an outer wall board 8 fixed to the frame body 7, and a heat insulating material 9 disposed inside the frame body 7, However, the outer wall panel 6 need not be limited to this specification, and may be another type of outer wall panel.
[0018]
Next, an assembling method of the bearing wall in which the bearing wall is incorporated into the non-bearing wall will be described. First, as shown in FIG. 4, in the outer wall portion X in which the bearing wall is to be incorporated, the existing outer wall panel 6 is removed from the shaft assembly 1 to expose the shaft assembly 1 to the outside (outer wall panel removing step). ).
[0019]
Next, using the bolts 4a and nuts 4b on the inner peripheral surface 1a of the shaft set 1, strictly speaking, on the web surface 1a of the lip channel steel, respectively, the face material mounting bracket 3 corresponding to the length of the shaft set 1 is used. Fix (face material mounting bracket mounting process). For these bolts 4a and nuts 4b, it is preferable to divert the shafts or the shafts fastened to the foundations in order to reduce the number of man-hours, but if bolts or the like are not provided in appropriate positions in advance, Bolts 4a and nuts 4b are attached by drilling through holes between the sets, or in the shaft set 1 on the foundation, anchor bolts or the like are provided on the foundation, and the foundation and the shaft set 1 on the foundation are fastened. .
[0020]
Then, as shown in FIG. 5, first, the face material 2B to be arranged indoors is fitted to the frame formed by the face material restraining portion 3c, and the bolt 4a and the face material are fixed at the peripheral portion. The nut 4b fixed to the back surface of the portion 3b is fixed to the face material fixing portion 3b, and then the peripheral material 2A to be placed on the outside is fitted to the inner peripheral side of the shaft assembly 1 The bolt 4a and the nut 4b fixed to the back surface of the face material fixing portion 3b are fixed to the face material fixing portion 3b (surface material attaching step). In addition, since the punching metal is used for the face material 2, the burden on the operator who performs the work of attaching the face material 2 is reduced as compared with a simple face material in which a large number of holes are not formed. The
[0021]
Finally, as shown in FIG. 6, the existing outer wall panel 6 removed in the outer wall panel removing step described above is attached to the shaft assembly 1 again using a predetermined mounting bracket 11, and the installation work of the load bearing wall is completed ( External wall panel return process).
[0022]
In the embodiment of the present invention described above, two face members 2 are provided in one frame. However, the number, thickness, etc. of the face members 2 are set to the strength required for the building structure. Can be determined accordingly. That is, when high strength is required, two thick face materials 2 are attached, and when not very strong, the necessary strength can be obtained by using a thin face material 2 or by attaching one face material 2 to be attached. It can be secured as appropriate. Further, the face material mounting bracket 3 has two face material fixing portions 3b, and a face material restraining portion 3c is provided on one of them, which is made of a lip channel steel as a shaft assembly. This is in consideration of the positional relationship with the rib. Therefore, when the rib 1b of the lip groove steel can be used as the restraining body for restraining the movement of the face material 2 in the wall surface direction as described above, the face material restraining portion is provided only to the indoor side face material fixing portion 3b. 3c may be provided. For example, when the distance between the ribs 1b is large and the rib 1b cannot be used as the restraint, the face material restraining portions 3c are provided on both face material fixing portions 3b. Use the provided one.
[0023]
Moreover, although what used the lip groove shape steel as the shaft set 1 was demonstrated above, the shape of the shaft set 1 is not limited to this, For example, as shown in FIG. Even with the outer wall portion Y, the bearing wall structure B can be formed in the same manner by using the face member mounting bracket 3A provided with the face member restraining part 3c on both face member fixing parts 3b. .
[0024]
The structure of the load-bearing wall described above can be used not only for extension work but also for new construction work. Further, in the present embodiment, the method of assembling the load-bearing wall and the structure of the load-bearing wall in the outer wall portion have been described. However, a field wall and a partition wall in which a wall panel is fixed to a shaft set arranged in a frame shape. Such a bearing wall can be provided similarly.
[0025]
【The invention's effect】
The structure of the load-bearing wall according to claim 1 is a load-bearing wall in which a face material having a shape substantially matching the frame shape is fixed to the inner peripheral side of the frame assembly arranged in a frame shape via a face material mounting bracket. a structure of the surface material clamp comprises a framing fixing portion fixed to the inner circumferential surface of the framing, the surface material fixing portion formed at right angles to the shaft assembly fixed portion, wherein A face material restraining portion that locks an edge of the face material and restrains movement of the face material in the wall surface direction, and the shaft assembly fixing portion of the face material mounting bracket is an inner peripheral surface of the shaft assembly. Since the face material is fitted to the frame formed by the face material restraining portion of the face material mounting bracket, the face material is fixed to the face material fixing portion by the fixture . When providing the structure of the load-bearing wall, cutting and replacement of the shaft assembly and welding work are not required, and ordinary workers efficiently install the load-bearing wall. Bets are possible. In addition, since cutting and replacement of the shaft group are not required, a cutting piece or the like of the shaft group to be processed as industrial waste is not generated, and industrial waste processing costs can be reduced.
[0026]
The structure of the load-bearing wall according to claim 2 is the structure of the load-bearing wall according to claim 1, wherein the face material is punched metal, so that the burden on the operator during construction is reduced and the work efficiency is improved. Figured.
[0027]
The load-bearing wall assembling method according to claim 3 is fixed to the face material fixing portion while fitting the face material to the inner peripheral side of the shaft assembly, and the outer wall panel removing step, the face material attaching bracket attaching step, and the face material. Since the construction method includes a face material attaching step for fixing with a tool and the outer wall panel return step, the construction method can provide the same effect as the structure of the load bearing wall according to claim 1.
[0028]
The method of assembling the load-bearing wall according to claim 4 includes fixing the face material while fitting the face material to a frame formed by the face material restraining portion, the outer wall panel removing step, the face material mounting bracket attaching step, and the face material. Since the construction method includes a face material attaching step for fixing to a portion with a fixture and the outer wall panel return step, the construction method provides the same effect as the structure of the load bearing wall according to claim 1 .
[0029]
The method for assembling the load-bearing wall according to claim 5 is the method for assembling the load-bearing wall according to claim 3 or 4, wherein the face material is a punching metal. The construction efficiency is improved.
[Brief description of the drawings]
FIG. 1 is a plan view showing a structure of a load bearing wall and surrounding outer wall portions according to an embodiment of the present invention.
FIG. 2 is a schematic view when an outer wall provided with a load bearing wall according to an embodiment of the present invention is viewed from the outside of the door.
FIG. 3 is a perspective view showing a face material mounting bracket.
FIG. 4 is an explanatory view when an outer wall panel is removed and a face material mounting bracket is attached.
FIG. 5 is an explanatory diagram when a face material is attached to the face material attaching bracket.
FIG. 6 is an explanatory diagram when the outer wall panel that has been removed first from the top of the face member fixed to the shaft assembly is reattached.
FIG. 7 is a plan view showing an example in which the structure of the bearing wall is formed using a shaft group other than the lip groove steel.
[Explanation of symbols]
A, B Bearing wall structure X, Y Outer wall portion 1, 1A Shaft assembly 1a Shaft assembly inner peripheral surface 2, 2A, 2B Face member 3 Face member mounting bracket 3a Shaft member fixing portion 3b Face member fixing portion 3c Face member restraint Parts 4a, 4b

Claims

枠形状に配設された軸組の内周側に、該枠形状に略合致する形状の面材が面材取付金具を介して固定された耐力壁の構造であって、
前記面材取付金具は、前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、前記面材の縁端部を係止して該面材の壁面方向への移動を拘束する面材拘束部と、を備え、
前記面材取付金具の軸組固定部が前記軸組の内周面に固定具により固定され、
前記面材が、前記面材取付金具の面材拘束部によって形成される枠に嵌合されつつ、前記面材固定部に固定具により固定されたことを特徴とする耐力壁の構造。A structure of a load-bearing wall in which a face material having a shape substantially matching the frame shape is fixed to the inner peripheral side of the shaft assembly arranged in a frame shape via a face material mounting bracket,
The face material mounting bracket includes a shaft assembly fixing portion fixed to an inner peripheral surface of the shaft assembly, a surface material fixing portion formed at right angles to the shaft assembly fixing portion, and an edge portion of the face material. And a face material restraining part for restraining movement of the face material in the wall surface direction .
The shaft assembly fixing portion of the face material mounting bracket is fixed to the inner peripheral surface of the shaft assembly by a fixture,
A structure of a load bearing wall, wherein the face material is fixed to the face material fixing portion with a fixture while being fitted to a frame formed by a face material restraining portion of the face material mounting bracket .

前記面材は、パンチングメタルであることを特徴とする請求項１記載の耐力壁の構造。 2. The structure of a bearing wall according to claim 1, wherein the face material is a punching metal .

枠形状に配設された軸組に外壁パネルが固定されてなる外壁部を耐力壁にする耐力壁の組込工法であって、A load-bearing wall assembling method in which the outer wall panel is fixed to the shaft set arranged in a frame shape and the outer wall portion is a load-bearing wall,
既設の外壁パネルを前記軸組から取り外す外壁パネル取り外し工程と、An outer wall panel removing step of removing an existing outer wall panel from the shaft assembly;
前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、を備えた面材取付金具を、前記軸組の内周面に固定具により固定する面材取付金具取付工程と、A face material mounting bracket comprising: a shaft group fixing part fixed to the inner peripheral surface of the shaft group; and a face material fixing part formed at right angles to the shaft group fixing part. A face material mounting bracket mounting step for fixing to the peripheral surface with a fixture,
前記面材を前記軸組の内周側に嵌合しつつ、前記面材取付金具の面材固定部に固定具により固定する面材取付工程と、A face material attaching step of fixing the face material to the inner peripheral side of the shaft assembly and fixing the face material to the face material fixing portion of the face material attaching bracket,
外壁パネル取り外し工程において取り外した既設の外壁パネルを前記軸組に再び取付る外壁パネル復帰工程と、を含むことを特徴とする耐力壁の組込工法。A load-bearing wall assembling method, comprising: an outer wall panel returning step for reattaching the existing outer wall panel removed in the outer wall panel removing step to the shaft assembly.

枠形状に配設された軸組に外壁パネルが固定されてなる外壁部を耐力壁にする耐力壁の組込工法であって、
既設の外壁パネルを前記軸組から取り外す外壁パネル取り外し工程と、
前記軸組の内周面に固定される軸組固定部と、該軸組固定部に対して直角に形成された面材固定部と、前記面材の縁端部を係止して該面材の壁面方向への移動を拘束する面材拘束部と、を備えた面材取付金具を、前記軸組の内周面に固定具により固定する面材取付金具取付工程と、
前記面材を前記面材取付金具の面材拘束部によって形成される枠に嵌合しつつ、前記面材取付金具の面材固定部に固定具により固定する面材取付工程と、
外壁パネル取り外し工程において取り外した既設の外壁パネルを前記軸組に再び取付る外壁パネル復帰工程と、を含むことを特徴とする耐力壁の組込工法。It is a load-bearing wall assembling method in which a load-bearing wall is an outer wall portion in which an outer wall panel is fixed to a shaft set arranged in a frame shape,
An outer wall panel removing step of removing an existing outer wall panel from the shaft assembly;
A shaft assembly fixing portion that is fixed to the inner peripheral surface of the shaft assembly, a face material fixing portion that is formed at right angles to the shaft assembly fixing portion, and an edge portion of the face material that engages the surface A face material mounting bracket mounting step of fixing a surface material mounting bracket provided with a surface material restraining portion that restrains movement of the material in the wall surface direction to the inner peripheral surface of the shaft assembly by a fixture;
A face material attaching step of fixing the face material to a face material fixing portion of the face material attaching bracket while fitting the frame material to a frame formed by the face material restraining portion of the face material attaching metal fitting,
A load-bearing wall assembling method, comprising: an outer wall panel returning step for reattaching the existing outer wall panel removed in the outer wall panel removing step to the shaft assembly.

前記面材は、パンチングメタルであることを特徴とする請求項３又は４記載の耐力壁の組込工法。 The method of assembling a load bearing wall according to claim 3 or 4, wherein the face material is a punching metal .