JP2019112904A - Building construction method - Google Patents

Building construction method Download PDF

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JP2019112904A
JP2019112904A JP2017249247A JP2017249247A JP2019112904A JP 2019112904 A JP2019112904 A JP 2019112904A JP 2017249247 A JP2017249247 A JP 2017249247A JP 2017249247 A JP2017249247 A JP 2017249247A JP 2019112904 A JP2019112904 A JP 2019112904A
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building
wall
base material
construction method
wall surface
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JP6970610B2 (en
Inventor
雅司 大久保
Masashi Okubo
雅司 大久保
邦雄 松本
Kunio Matsumoto
邦雄 松本
秀俊 橘
Hidetoshi Tachibana
秀俊 橘
中村 圭吾
Keigo Nakamura
圭吾 中村
智美 添田
Tomomi Soeda
智美 添田
智洋 藤沼
Tomohiro Fujinuma
智洋 藤沼
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Fujita Corp
Daiwa House Industry Co Ltd
Nippon Steel Coated Sheet Corp
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Fujita Corp
Daiwa House Industry Co Ltd
Nippon Steel Coated Sheet Corp
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Abstract

To provide a construction method capable of efficiently constructing a building having outer walls in which a plurality of outer wall surface materials are vertically arranged.SOLUTION: The construction method of this building is a construction method of a building provided with outer walls in which a plurality of outer wall surface materials 51 are vertically arranged. The method comprises a step of providing a plurality of removal members 32b projecting from the indoor side to the outdoor side through a temporary opening obtained by not providing one or a plurality of the outer wall surface material 51 and a base material 52 (53), a step of providing a scaffold 32 using the removal members 32b, and a step of attaching the outer wall surface material 51 to the temporary opening from the indoor side after removing the scaffold 32.SELECTED DRAWING: Figure 6

Description

この発明は、複数の外壁面材が上下に並べられた外壁を有する建物の施工方法に関する。   The present invention relates to a method of constructing a building having an outer wall in which a plurality of outer wall materials are vertically arranged.

特許文献1には、大判化外壁パネルおよびこの大判化外壁パネルを建物の躯体に取り付ける構造が開示されている。大判化外壁パネルは、パネルフレームと、このパネルフレームに取付けられた上下に並ぶ複数枚の、断熱材を含む横長形状の外壁面材とを備える。また、上記パネルフレームは、左右の縦フレーム材および上下端の横フレーム材が矩形に組まれた外周フレーム部と、この外周フレーム部に互いに横幅方向に間隔を開けて配置されて上下端が上下の横フレーム材に接合された複数の縦胴縁とからなる。   Patent Document 1 discloses a large-sized outer wall panel and a structure for attaching the large-sized outer wall panel to a housing of a building. The large-sized outer wall panel includes a panel frame and a plurality of vertically arranged outer wall surface materials including a heat insulating material, which are attached to the panel frame. The panel frame has an outer peripheral frame portion in which left and right vertical frame members and upper and lower end horizontal frame members are assembled in a rectangular shape, and the outer peripheral frame portion is arranged at an interval in the lateral width direction. And a plurality of longitudinal torso edges joined to the lateral frame members.

また、特許文献2には、足場を組むことなく,建物開口部毎に設置することによって建物開口部の工事をなし得るようにした養生装置が開示されている。   Further, Patent Document 2 discloses a curing device which can perform construction of a building opening by installing it at each building opening without setting up a scaffold.

特開2016−113839号公報JP, 2016-113839, A 特開2006−152695号公報Unexamined-Japanese-Patent No. 2006-152695

しかしながら、上記特許文献はいずれも、複数の外壁面材が上下に並べられた外壁を有する建物の効率的な施工方法を開示するものではない。   However, none of the above-mentioned patent documents disclose an efficient construction method of a building having an outer wall in which a plurality of outer wall materials are vertically arranged.

この発明は、上記の事情に鑑み、複数の外壁面材が上下に並べられた外壁を有する建物を効率的に施工できる建物の施工方法を提供することを課題とする。   This invention makes it a subject to provide the construction method of the building which can construct efficiently the building which has an outer wall in which a plurality of outer wall material was arranged up and down in view of the above-mentioned situation.

この発明の建物の施工方法は、上記の課題を解決するために、複数の外壁面材が上下に並べられる外壁を備える建物の施工方法であって、1枚または複数枚の上記外壁面材および下地材を存在させないことにより得られる一時開口を通して屋内側から屋外側に突出する複数の持出部材を設ける工程と、上記持出部材を用いて足場を設ける工程と、上記足場の撤去後に上記一時開口に外壁面材を屋内側から取り付ける工程と、を含むことを特徴とする。   A construction method of a building according to the present invention is a construction method of a building provided with an outer wall on which a plurality of outer wall materials are vertically arranged in order to solve the above-mentioned problems, and one or more outer wall materials and Providing a plurality of removal members projecting from the indoor side to the outdoor side through a temporary opening obtained by not providing the base material, providing a scaffold using the removal member, and temporarily removing the scaffold after removing the scaffold Attaching the outer wall material to the opening from the indoor side.

上記の方法であれば、建てようとする建物の周囲に地上から軒まで足場を組むことなく、上記一時開口を用いて作製した足場によって、建物の高位置において屋外設置部材を外壁面材に取り付ける作業等が容易に行えるようになる。また、上記一時開口は、例えば、建物の桁面(平側)の全幅に渡って形成することが可能であるので、この一時開口を用いた足場も桁面(平側)の全幅に渡って作製することもできる。   According to the above method, the outdoor installation member is attached to the outer wall surface material at a high position of the building by the scaffold manufactured using the above temporary opening without setting up a scaffold from the ground to the eaves around the building to be built Work can be done easily. Further, since the temporary opening can be formed, for example, over the entire width of the girder surface (flat side) of the building, the scaffold using this temporary opening also extends over the entire width of the girder surface (flat side) It can also be made.

上記の建物の施工方法において、最上位置の外壁面材を建物の躯体に取り付ける一方で、上から2段目以下の1枚または複数枚の外壁面材および下地材を一時的に存在させないこととしてもよい。これによれば、上記足場を用いて最上位置の外壁面材に屋外設置部材である雨樋等を容易に取り付けることができる。   In the construction method of the above-mentioned building, while attaching the outer wall surface material of the top position to the frame of the building, as a temporary absence of one or a plurality of outer wall surface material and base material of the second and subsequent steps from the top It is also good. According to this, it is possible to easily attach a gutter, which is an outdoor installation member, to the outer wall surface material at the uppermost position using the above-mentioned scaffold.

上記の建物の施工方法において、建物の躯体に屋根が取り付けられている状態で、上記足場を用いて最上位置の外壁面材に屋外設置部材を取り付けてもよい。これによれば、上記屋根の下端側の適切な位置に雨樋等を取り付けることができる。   In the above construction method of a building, the outdoor installation member may be attached to the outermost wall surface material at the uppermost position using the above-mentioned scaffold in a state where the roof is attached to the frame of the building. According to this, a gutter or the like can be attached to an appropriate position on the lower end side of the roof.

上記の建物の施工方法において、上記外壁として、複数の外壁面材が上下に並べられて一体化された形態の外壁パネルを用い、当該外壁パネルを、1枚または複数枚の上記外壁面材を存在させない状態で建物の躯体に取り付けるようにしてもよい。これによれば、複数の外壁面材が上下に並べられて一体化された外壁パネルによる外壁の施工を可能としつつ、上記外壁面材を存在させない箇所において当該外壁パネルに建物施工時に利用できる一時開口を形成することができる。   In the construction method of the above building, as the outer wall, an outer wall panel having a form in which a plurality of outer wall surface materials are vertically aligned and integrated is used, and the outer wall panel is used as one or more outer wall surface materials. You may make it attach to the frame of a building in the state which does not make it exist. According to this, while enabling the construction of the outer wall by the outer wall panel in which a plurality of outer wall surface materials are lined up and down and integrated, it is possible to use the outer wall panel at the time of building construction at a place where the outer wall material does not exist. An opening can be formed.

上記の建物の施工方法において、上記外壁パネルは、上記外壁面材および当該外壁面材が固定される第1下地材が存在しない箇所を有しており、上記第1下地材が存在しない箇所を跨いで上下の第1下地材を縦に連結する第2下地材が着脱可能に取り付けられていてもよい。   In the above construction method of a building, the outer wall panel has a portion where the outer wall surface material and the first base material to which the outer wall surface material is fixed does not exist, and a portion where the first base material does not exist A second base material vertically connecting the upper and lower first base materials in the straddling manner may be detachably attached.

上記の建物の施工方法において、上記第2下地材を第1下地材から取り外すことで形成した一時開口を利用して足場を作製する一方で、上記足場の撤去後には、上記一時開口に外壁面材を屋内側から取り付け、第2下地材を第1下地材に取り付けるようにしてもよい。   In the construction method of the above building, while a scaffold is produced using a temporary opening formed by removing the second base material from the first base material, an outer wall surface is formed on the temporary opening after removing the scaffold. The material may be attached from the indoor side, and the second base material may be attached to the first base material.

本発明であれば、外壁面材および下地材を存在させないことにより得られる外壁の一時開口を通して足場が形成されるので、効率的な建物施工が行えるという効果を奏する。   According to the present invention, since the scaffold is formed through the temporary opening of the outer wall obtained by the absence of the outer wall surface material and the base material, it is possible to achieve efficient building construction.

この発明の実施形態にかかる建物の施工方法で用いられる外壁パネルの施工時構造体を示した背面図である。It is the rear view which showed the construction time structure of the outer wall panel used by the construction method of the building concerning embodiment of this invention. 同図(A)は図1の外壁パネルにおける外壁面材の上部および下部の断面を示した説明図であり、同図(B)は図1の上下に並ぶ外壁面材の嵌め込み箇所を示した説明図である。The figure (A) is explanatory drawing which showed the cross section of the upper part of the outer wall surface material in the outer wall panel of FIG. 1, and the lower part, and the figure (B) showed the insertion location of the outer wall material lined up in the upper and lower sides of FIG. FIG. 図1の外壁パネルの施工時構造体を地上で組み立てる地組架台の一例を示した正面図であるIt is the front view which showed an example of the ground assembly frame which assembles the construction time structure of the outer wall panel of FIG. 1 on the ground. 図1の外壁パネルの施工時構造体を建物の躯体に取り付けた状態を示した説明図である。It is explanatory drawing which showed the state which attached the structure at the time of construction of the outer wall panel of FIG. 1 to the frame of a building. 図1の外壁パネルの施工時構造体を建物の躯体に取り付けるために天秤で吊り上げている状態を示した説明図である。It is explanatory drawing which showed the state which is being lifted with a balance in order to attach the structure at the time of construction of the outer wall panel of FIG. 1 to the frame of a building. 図1の外壁パネルの施工時構造体に形成された一時開口および他の外壁パネルの施工時構造体に形成された一時開口を利用して作製された足場および昇降路を示した説明図である。1. It is explanatory drawing which showed the scaffold and the hoistway which were made using the temporary opening formed in the construction time of the construction of the outer wall panel of FIG. 1, and the temporary opening formed in the construction time of the construction of another outer wall panel. . 図1の外壁パネルの施工時構造体に形成された一時開口を利用して作製された足場を示した説明図である。It is explanatory drawing which showed the scaffold produced using the temporary opening formed in the construction time of the exterior wall panel construction of FIG. 実施形態を示す図であって、同図(A)は最上階に設けた昇降路を、建物の屋根等を省略して示した説明図であり、同図(B)は、同図(A)に、屋根、外壁パネル、足場を重ねて描いた説明図である。It is a figure which shows embodiment, Comprising: The figure (A) is explanatory drawing which abbreviate | omitted and showed the roof etc. of the building which showed the hoistway provided in the top floor, and the figure (B) is a figure (A) ), A roof, an outer wall panel, and a scaffold are drawn on top of one another.

以下、この発明の実施の形態を添付図面に基づいて説明する。
図1に示すように、この実施形態にかかる建物の施工方法で用いられる外壁パネルの施工時構造体5は、複数の横長の外壁面材51を上下に並べて下地材である第1下地材(縦胴縁)52で相互に連結されて一体化された形態で建物の躯体に取り付けられる構造を有する。図1に示す例では、6本の第1下地材52を備えており、各第1下地材52は、リップ溝形鋼等の開放断面鋼材或いは角形鋼管などの閉鎖断面鋼材からなる。
Hereinafter, an embodiment of the present invention will be described based on the attached drawings.
As shown in FIG. 1, the construction time 5 of the exterior wall panel used in the construction method of a building according to this embodiment is a first foundation material (ground material) by arranging a plurality of horizontally long outer wall surface materials 51 vertically. It has a structure which is attached to the frame of the building in an integrated form interconnected with each other at a longitudinal trunk edge 52. In the example shown in FIG. 1, six first base materials 52 are provided, and each first base material 52 is made of an open cross section steel such as a lip grooved steel or a closed cross section steel such as a square steel pipe.

上記外壁面材51は、例えば、図2(A)および図2(B)に示すように、不燃断熱材51aを鋼板51b、51cで挟み込んだ金属サンドイッチパネルである。2枚の外壁面材51を上下に並べた場合、下段に位置する外壁面材51の上端面に形成された横幅方向に長い2か所の凹部51dに、上段に位置する外壁面材51の下端面に形成された横幅方向に長い2か所の凸部51eが嵌まり込むことにより、上下の外壁面材51が互いに面外方向に位置ずれしないように組み合わされる。   The outer wall surface material 51 is, for example, a metal sandwich panel in which the noncombustible heat insulating material 51a is sandwiched between steel plates 51b and 51c as shown in FIGS. 2 (A) and 2 (B). When the two outer wall surface members 51 are arranged vertically, in the two concave portions 51 d long in the lateral width direction formed on the upper end surface of the outer wall surface member 51 positioned at the lower level, the outer wall surface material 51 positioned at the upper tier When the two convex portions 51e long in the lateral width direction formed on the lower end face are fitted, the upper and lower outer wall surface members 51 are combined so as not to be displaced in the out-of-plane direction.

また、例えば、図3に示す地組架台1を用いることにより、上記複数の外壁面材51を上下に並べて第1下地材52で連結した外壁パネルを、当該外壁パネルが取り付けられる建物の躯体の外壁取付箇所とは異なる場所で組み立てることができる。上記地組架台1は、例えば、複数の柱状部材11と梁状部材12とを縦横に組んでなるものであるが、その構造については図3に示すものに限定されない。   Further, for example, by using the ground mounting frame 1 shown in FIG. 3, an outer wall panel in which the plurality of outer wall surface materials 51 are vertically arranged and connected by the first foundation material 52 is a housing of the building to which the outer wall panel is attached. It can be assembled at a different place from the outer wall mounting point. For example, although the ground assembly frame 1 is formed by forming a plurality of columnar members 11 and beam members 12 vertically and horizontally, the structure thereof is not limited to that shown in FIG.

作業者は、上記第1下地材52を地組架台1にセットした後に、外壁面材51をセットし、このセットした上記外壁面材51の上端部側にビス等をねじ込み、上記外壁面材51を、先にセットした上記第1下地材52に固定する。この作業を繰り返すことで外壁パネルの施工時構造体5が作製される。   After setting the first base material 52 to the ground assembly 1, the worker sets the outer wall surface material 51, and screws a screw or the like to the upper end portion side of the set outer wall surface material 51, thereby setting the outer wall surface material 51 is fixed to the first base material 52 previously set. By repeating this operation, the constructional structure 5 of the outer wall panel is produced.

上記外壁パネルの施工時構造体5では、上から2段目の外壁面材51が存在すべき箇所において第1下地材52が分断されて上下に離間しており、最上位置の外壁面材51は上側の第1下地材52に装着され、上から2段目となる外壁面材51および第1下地材52は未装着とされ、上から3段目以下では全ての外壁面材51が下側の第1下地材52に装着されている。すなわち、この例の外壁パネルの施工時構造体5は、上から2段目の1段のみ外壁面材51および第1下地材52が存在しない構造を有する。   In the structure 5 at the time of construction of the outer wall panel, the first base material 52 is divided at the location where the outer wall surface material 51 of the second stage from the top should exist and is vertically separated, and the outer wall surface material 51 at the uppermost position Is attached to the upper first base material 52, and the outer wall surface material 51 and the first base material 52, which are the second level from the top, are not mounted, and all the outer wall surface materials 51 are lower in the third level and below. It is mounted on the first base material 52 on the side. That is, the structure 5 at the time of construction of the outer wall panel of this example has a structure in which the outer wall surface material 51 and the first base material 52 do not exist only in the first step of the second step from the top.

そして、上記外壁パネルの施工時構造体5は、図1に示したように、例えば、最上位置の外壁面材51から6段目となる外壁面材51に至る縦長さを有する下地材である第2下地材53を備えている。上記第2下地材53は、上記第1下地材52が不存在の箇所を跨いで、上下に位置する第1下地材52と接続される。上記第2下地材53は、上記地組架台1において上記第1下地材52に取り付けることができる。上記第2下地材53は、上記第1下地材52に対して着脱自在に取り付けられており、施工時構造体5が建物の躯体7に取り付けられた後で一旦外せるようになっている。   Then, as shown in FIG. 1, the constructional structure 5 of the outer wall panel is, for example, a base material having a longitudinal length from the outer wall material 51 at the uppermost position to the outer wall material 51 to be the sixth step. A second base material 53 is provided. The second base material 53 is connected to the first base material 52 positioned above and below the location where the first base material 52 is absent. The second base material 53 can be attached to the first base material 52 in the ground assembly frame 1. The second base material 53 is detachably attached to the first base material 52 so that the construction body 5 can be removed once after the construction body 5 is attached to the housing 7 of the building.

上記第1下地材52は、例えば、2つの対向面部およびこれら対向面部を繋ぐ閉鎖面部を有する溝形鋼からなり、上記対向面部の一方の側において外壁面材51がビス固定されている。   The first base material 52 is made of, for example, a grooved steel having two opposed surface portions and a closed surface portion connecting the opposed surface portions, and the outer wall surface material 51 is screwed on one side of the opposed surface portion.

また、図4に示すように、上記外壁パネルの施工時構造体5が取り付けられる建物の躯体7は、例えば、屋根7Aが支持される屋根梁71、耐風梁72、床梁73等を備えている。また、上記屋根梁71には、繋ぎ材71aが所定のピッチで固定されており、また、繋ぎ材71aを貫通させて屋根側耐風梁72Aが設けられている。上記外壁パネルの施工時構造体5の建物の躯体7への取り付けにおいては、例えば、上記第1下地材52の上記対向面部の他方の側が、上記建物の躯体7における屋根側耐風梁72A、耐風梁72、床梁73等に、Lアングル等の金具、固定ボルト、高さ調整ボルト等を用いて固定される。   Further, as shown in FIG. 4, the frame 7 of the building to which the structure 5 of the outer wall panel is attached is provided with, for example, a roof beam 71, a wind resistant beam 72, a floor beam 73 and the like on which the roof 7A is supported. There is. Further, a connecting material 71a is fixed to the roof beam 71 at a predetermined pitch, and a roof side wind resistant beam 72A is provided by penetrating the connecting material 71a. In the attachment of the outer wall panel to the frame 7 of the building at the time of construction, for example, the other side of the opposite surface of the first base material 52 is the roof side wind beam 72A of the frame 7 of the building, wind resistant It fixes to the beam 72, the floor beam 73 grade | etc., Using metal fittings, such as L angle, a fixed bolt, a height adjustment bolt, etc.

また、例えば、上記第2下地材53も溝形鋼とされ、その閉鎖面部を上記第1下地材52の閉鎖面部に対面させることで、上記第1下地材52の横位置に取り付けられる。上記閉鎖面部には、例えば、所定ピッチでボルト挿通孔が形成されており、このボルト挿通孔に縫い通されたボルトとナットとによって、上記第2下地材53が上記第1下地材52に着脱自在に取り付けられる。なお、上記第1下地材52および上記第2下地材53が閉鎖断面形状を有する角形鋼管である場合でも、同様のボルトによる取付構造とすることができる。また、上記の着脱自在とするための構造は、ボルトとナットを用いる構造に限らない。   Further, for example, the second base material 53 is also made of a grooved steel, and the closed surface portion thereof is attached to the lateral position of the first base material 52 by facing the closed surface portion of the first base material 52. In the closed surface portion, for example, bolt insertion holes are formed at a predetermined pitch, and the second base material 53 is attached to and detached from the first base material 52 by a bolt and a nut sewn in the bolt insertion holes. It can be attached freely. Even when the first base material 52 and the second base material 53 are square steel pipes having a closed cross-sectional shape, the same attachment structure with bolts can be employed. Further, the above-mentioned removable structure is not limited to the structure using a bolt and a nut.

また、外壁パネルの施工時構造体5は、図5に示すように、天秤8を用いて吊り上げることができる。この天秤8は、一方の側に固定部81を備え、他方の側にカウンターウェイト82を備える。上記固定部81は、外壁パネルの施工時構造体5の第1下地材52、第2下地材53、外壁面材51、或いは、これらに仮固定された部材に固定される。天秤8はクレーン等の吊元83によって吊られる。   Further, as shown in FIG. 5, the outer wall panel construction structure 5 can be lifted using a balance 8. The balance 8 includes a fixing portion 81 on one side and a counter weight 82 on the other side. The fixing portion 81 is fixed to the first foundation material 52, the second foundation material 53, the outer wall surface material 51, or a member temporarily fixed to these during the construction of the outer wall panel. The balance 8 is hung by a hanging element 83 such as a crane.

建物の施工においては、上記のように吊り上げた外壁パネルの施工時構造体5を上記第1下地材52によって建物の躯体7に取り付けていく。より具体的には、上記外壁パネルの施工時構造体5における上側の第1下地材52を屋根側耐風梁72Aに固定し、下側の第1下地材52を耐風梁72に固定する。なお、外壁パネルの施工時構造体5の下方には、全ての外壁面材51が取り付けられている通常の外壁パネル5Aが建物の躯体7に取り付けられており、この外壁パネル5Aの下地材の上端に、上記外壁パネルの施工時構造体5の第1下地材52の下端が、例えばジョイントプレートによって固定される。   In the construction of the building, the construction-time structure 5 of the outer wall panel lifted as described above is attached to the frame 7 of the building by the first foundation material 52. More specifically, the upper first base material 52 in the construction 5 of the outer wall panel is fixed to the roof side wind resistant beam 72A, and the lower first base material 52 is fixed to the wind resistant beam 72. In addition, below the structure 5 at the time of construction of an outer wall panel, the normal outer wall panel 5A to which all the outer wall surface material 51 is attached is attached to the frame 7 of a building, and is a foundation material of this outer wall panel 5A. At the upper end, the lower end of the first base material 52 of the structure 5 at the time of construction of the outer wall panel is fixed, for example, by a joint plate.

上記のように、外壁面材51における第1下地材52を建物の躯体7に固定した後に、上記第2下地材53を上記第1下地材52から取り外す。上記第1下地材52は上記のように躯体7に固定されているので、上記第2下地材53を上記第1下地材52から取り外しても、上記外壁面材51が躯体7から外れることはない。そして、このように上記第2下地材53を上記第1下地材52から取り外すことで、図6および図7に示すように、外壁面材51の存在しない箇所において上記第2下地材53も存在しない一時開口、すなわち、下地材で遮られない施工時利用が可能な開口を形成する。   As described above, after the first base material 52 of the outer wall surface material 51 is fixed to the housing 7 of the building, the second base material 53 is removed from the first base material 52. Since the first base material 52 is fixed to the casing 7 as described above, even if the second base material 53 is removed from the first base material 52, the outer wall surface material 51 is not detached from the casing 7 Absent. Then, by removing the second base material 53 from the first base material 52 in this manner, as shown in FIGS. 6 and 7, the second base material 53 also exists in the portion where the outer wall surface material 51 does not exist. Not form a temporary opening, that is, an opening that can be used during construction that is not blocked by the base material.

例えば、建物の最上階の桁面において、複数枚の上記施工時構造体5が躯体7に取り付けられる。図6に示す例では、右から1枚目と3枚目の施工時構造体5については、上から2段目の外壁面材のみが不存在となっている。一方、右から2枚目の施工時構造体5Bについては、昇降路31を配置するために、上から2段目、3段目および4段目の外壁面材51が不存在とされている。   For example, on the girder surface of the top floor of the building, a plurality of the construction structures 5 are attached to the housing 7. In the example shown in FIG. 6, only the outer wall surface material at the second stage from the top is absent in the first and third installation structures 5 from the right. On the other hand, in the second construction construction 5B from the right, the outer wall surface material 51 of the second, third and fourth steps from the top is regarded as absent in order to arrange the hoistway 31. .

上記昇降路31は、図8(A)、図8(B)にも示すように、最上階の屋内側の床面に設置される第1階段部31Aと、上記右から2枚目の施工時構造体5Bにおける中央上位置の外壁面材51上を渡る渡り床部31Bと、この渡り床部31Bの屋外側に設置され、上方の足場32に連結される第2階段部31Cとを備える。   As shown in FIGS. 8A and 8B, the hoistway 31 has a first step portion 31A installed on the floor surface on the indoor side of the uppermost floor, and the second work from the right. A transition floor 31B is provided across the outer wall surface material 51 at a central upper position in the hour structure 5B, and a second step 31C disposed on the outdoor side of the transition floor 31B and connected to the upper scaffold 32. .

上記足場32においては、例えば、2本の屋根梁71,71から垂下された支持部材32aによって、水平配置された持出部材32bの基端側が2点支持され、この持出部材32bの先端側が一時開口を通して屋外側に突出される。上記持出部材32bは、桁面の水平方向に複数設置される。そして、上記複数の持出部材32b上に歩み板等を配置して足場32の床を作製する。また、足場32の屋外側端部に手摺り32cを取り付ける。なお、上記昇降路31や足場32は単管(パイプ)やパイプ止め等を用いて既存の方法で作製することができる。   In the above-mentioned scaffold 32, for example, the base end side of the unloading member 32b horizontally disposed is supported at two points by the supporting members 32a hanging down from the two roof beams 71, 71, and the tip end side of the unloading member 32b is It is projected to the outdoor side through the temporary opening. A plurality of the removal members 32b are installed in the horizontal direction of the girder surface. And a walk board etc. are arrange | positioned on said several removal member 32b, and the floor of the scaffold 32 is produced. In addition, a handrail 32 c is attached to the outdoor side end of the scaffold 32. In addition, the said hoistway 31 and the scaffold 32 can be produced by the existing method using a single pipe (pipe), a pipe stopper, etc. FIG.

上記足場32を利用することで、外壁回りの作業を行うことができる。すなわち、建てようとする建物の周囲に地上から軒まで足場を組むことなく、上記一時開口を用いて作製した足場32によって、建物の高位置において屋外設置部材を外壁面材51に取り付ける作業等が容易に行えるようになる。また、上記一時開口は、例えば、建物の桁面(平側)の全幅に渡って形成することが可能であるので、この一時開口を用いた足場32も桁面(平側)の全幅に渡って作製することもできる。   By using the above-mentioned scaffold 32, work around the outer wall can be performed. That is, the work of attaching the outdoor installation member to the outer wall surface material 51 at a high position of the building by the scaffold 32 manufactured using the above-mentioned temporary opening without setting up a scaffold from the ground to the eaves around the building to be built It will be easy to do. Further, since the temporary opening can be formed, for example, over the entire width of the girder surface (flat side) of the building, the scaffold 32 using this temporary opening also extends over the entire width of the girder surface (flat side) Can also be produced.

また、上記のように、最上位置の外壁面材51が建物の躯体7に取り付けられると、最上位置の外壁面材51に、屋外設置部材として雨樋等を容易に取り付けることができる。さらに、上記建物の躯体7に屋根7Aが取り付けられている状態で、最上位置の外壁面材51に雨樋を取り付けることにより、上記屋根7Aの下端に対して的確な位置に当該雨樋を取り付けることができる。   Further, as described above, when the outer wall material 51 at the uppermost position is attached to the frame 7 of the building, a gutter or the like can be easily attached as the outdoor installation member to the outer wall material 51 at the uppermost position. Furthermore, in a state where the roof 7A is attached to the frame 7 of the building, the gutter is attached to the lower end of the roof 7A by attaching the gutter to the outer wall material 51 at the uppermost position. be able to.

上記足場32を用いた作業が完了したら、上記昇降路31および上記足場32を解体撤去するとともに上記持出部材32bを撤去する。上記足場32の解体は屋内側から行うことができる。そして、上記一時開口を塞ぐように第1下地材52付きの外壁面材51を屋内側から後付けして、縦に並ぶ複数の第1下地材52を第2下地材53によって連結し、上記施工時構造体5を外壁パネルとして完成させる。なお、例えば、最上位置の外壁面材51が躯体7に対して長孔等により多少上下動可能に仮固定できるようにしておくことで、後付けされる上記外壁面材51の取り付けが容易になる。また、ボルト挿通孔が形成されたジョイントプレートを、第1下地材52と第2下地材53の連結箇所に介在させて、これら3枚となる板部分をボルト締結してもよい。   When the work using the scaffold 32 is completed, the hoistway 31 and the scaffold 32 are disassembled and removed, and the takeout member 32b is removed. Dismantling of the scaffold 32 can be performed from the indoor side. Then, the outer wall surface material 51 with the first base material 52 is retrofitted from the indoor side so as to close the temporary opening, and the plurality of first base materials 52 aligned longitudinally are connected by the second base material 53, The hour structure 5 is completed as an outer wall panel. In addition, for example, by enabling the outer wall surface material 51 at the uppermost position to be temporarily fixed to the housing 7 so as to be slightly movable up and down by a long hole or the like, attachment of the outer wall surface material 51 to be retrofitted becomes easy. . In addition, the joint plate in which the bolt insertion holes are formed may be interposed in the connection portion of the first base material 52 and the second base material 53, and the plate portions to be these three sheets may be bolted.

また、この実施形態のように、複数の外壁面材51が上下に並べられて一体化された形態の外壁パネルにおいて1枚または複数枚の上記外壁面材51を存在させない施工時構造体5を用いると、このような外壁パネルによる外壁の施工を可能としつつ、上記外壁面材51を存在させない箇所において当該外壁パネルに建物施工時に利用できる一時開口を形成することができる。   Further, as in this embodiment, in the outer wall panel having a form in which the plurality of outer wall surface materials 51 are vertically aligned and integrated, one or more sheets of the outer wall surface material 51 are not present. When used, it is possible to form a temporary opening that can be used at the time of building construction in the outer wall panel at a location where the outer wall material 51 is not present, while enabling the installation of the outer wall by such outer wall panel.

なお、上記の例では、上記施工時構造体5を用いたが、これに限定されるものではなく、建物の躯体7に外壁面材51を1枚1枚固定していく施工法においても、一時開口を形成して足場を形成することができる。最上階に足場を作製する場合には、この足場を用いて最上位置の外壁面材51を躯体7に取り付けることもできる。足場の作製位置は最上階に限らない。   In the above example, the construction time structure 5 is used. However, the construction method is not limited to this, and in the construction method of fixing the outer wall surface material 51 one by one to the frame 7 of the building, A temporary opening can be formed to form a scaffold. When producing a scaffold on the top floor, the top wall material 51 can also be attached to the housing 7 using this scaffold. The production position of the scaffold is not limited to the top floor.

以上、図面を参照してこの発明の実施形態を説明したが、この発明は、図示した実施形態のものに限定されない。図示した実施形態に対して、この発明と同一の範囲内において、あるいは均等の範囲内において、種々の修正や変形を加えることが可能である。   Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications and variations can be made to the illustrated embodiment within the same or equivalent scope of the present invention.

1 :地組架台
5 :施工時構造体
5A :外壁パネル
5B :施工時構造体
7 :躯体
7A :屋根
8 :天秤
11 :柱状部材
12 :梁状部材
31 :昇降路
31A :第1階段部
31B :渡り床部
31C :第2階段部
32 :足場
32a :支持部材
32b :持出部材
51 :外壁面材
51a :不燃断熱材
51b :鋼板
51c :鋼板
51d :凹部
51e :凸部
52 :第1下地材(下地材)
53 :第2下地材(下地材)
71 :屋根梁
71a :繋ぎ材
72 :耐風梁
72A :屋根側耐風梁
73 :床梁
81 :固定部
82 :カウンターウェイト
83 :吊元
1: Ground frame 5: Construction 5A: Exterior wall panel 5B: Construction 7: Housing 7A: Roof 8: Balance 11: Column member 12: Beam member 31: Shaft 31A: First step 31B : Crossing floor 31C: Second step 32: Scaffold 32a: Support member 32b: Lifting member 51: Outer wall surface material 51a: Incombustible heat insulating material 51b: Steel plate 51c: Steel plate 51d: Recess 51e: Convex 52: First foundation Material (base material)
53: Second base material (base material)
71: Roof beam 71a: Connecting material 72: Wind resistant beam 72A: Roof side wind resistant beam 73: Floor beam 81: Fixing portion 82: Counter weight 83: Hanging source

Claims (6)

複数の外壁面材が上下に並べられる外壁を備える建物の施工方法であって、1枚または複数枚の上記外壁面材および下地材を存在させないことにより得られる一時開口を通して屋内側から屋外側に突出する複数の持出部材を設ける工程と、上記持出部材を用いて足場を設ける工程と、上記足場の撤去後に上記一時開口に外壁面材を屋内側から取り付ける工程と、を含むことを特徴とする建物の施工方法。   It is a construction method of a building provided with an outer wall in which a plurality of outer wall materials are lined up and down, and from the indoor side to the outdoor side through a temporary opening obtained by not having one or more outer wall material and base material. The method includes the steps of: providing a plurality of protruding removal members; providing the scaffold using the removal members; and attaching an outer wall material to the temporary opening from the indoor side after removing the scaffold. Construction method of the building to be. 請求項1に記載の建物の施工方法において、最上位置の外壁面材を建物の躯体に取り付ける一方で、上から2段目以下の1枚または複数枚の外壁面材および下地材を一時的に存在させないことを特徴とする建物の施工方法。   In the construction method of a building according to claim 1, while the outer wall material at the uppermost position is attached to the frame of the building, one or a plurality of outer wall materials and base materials for the second and subsequent steps from the top are temporarily used. The construction method of the building characterized by not existing. 請求項2に記載の建物の施工方法において、建物の躯体に屋根が取り付けられている状態で、上記足場を用いて最上位置の外壁面材に屋外設置部材を取り付けることを特徴とする建物の施工方法。   The construction method of a building according to claim 2, wherein the outdoor installation member is attached to the outermost wall material at the uppermost position using the above-mentioned scaffold in a state where the roof is attached to the frame of the building. Method. 請求項1〜請求項3のいずれか1項に記載の建物の施工方法において、上記外壁として、複数の外壁面材が上下に並べられて一体化された形態の外壁パネルを用い、当該外壁パネルを、1枚または複数枚の上記外壁面材を存在させない状態で建物の躯体に取り付けることを特徴とする建物の施工方法。   The construction method of a building according to any one of claims 1 to 3, wherein the outer wall panel is formed by integrating a plurality of outer wall surface materials vertically as the outer wall. A method of constructing a building, comprising: attaching one or more pieces of the outer wall surface material to a frame of the building in the absence of the above-mentioned outer wall material. 請求項4に記載の建物の施工方法において、上記外壁パネルは、上記外壁面材および当該外壁面材が固定される第1下地材が存在しない箇所を有しており、上記第1下地材が存在しない箇所を跨いで上下の第1下地材を縦に連結する第2下地材が着脱可能に取り付けられていることを特徴とする建物の施工方法。   The construction method of a building according to claim 4, wherein the outer wall panel has a portion where the first base material to which the outer wall surface material and the outer wall surface material are fixed does not exist, and the first base material is the first base material A construction method of a building characterized in that a second base material vertically connecting the upper and lower first base materials straddling a non-existent part is detachably attached. 請求項5に記載の建物の施工方法において、上記第2下地材を第1下地材から取り外すことで形成した一時開口を利用して足場を作製する一方で、上記足場の撤去後には、上記一時開口に外壁面材を屋内側から取り付け、第2下地材を第1下地材に取り付けることを特徴とする建物の施工方法。   In the construction method of a building according to claim 5, a scaffold is produced by utilizing a temporary opening formed by removing the second base material from the first base material, while the temporary removal is performed after the scaffold is removed. An exterior wall surface material is attached to an opening from the indoor side, and a second foundation material is attached to a first foundation material.
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CN111552917B (en) * 2020-05-21 2023-01-24 广州市第四装修有限公司 Curtain wall construction method, device and equipment based on BIM and storage medium
WO2022000718A1 (en) * 2020-07-03 2022-01-06 江苏东曌建筑产业创新发展研究院有限公司 Prefabricated construction device and use method therefor

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