JP6970610B2 - Building construction method - Google Patents

Description

The present invention relates to a method of constructing a building having an outer wall in which a plurality of outer wall materials are arranged one above the other.

Patent Document 1 discloses a large-sized outer wall panel and a structure for attaching the large-sized outer wall panel to the frame of a building. The large-sized outer wall panel includes a panel frame and a plurality of vertically arranged outer wall materials including a heat insulating material attached to the panel frame. Further, in the panel frame, the outer peripheral frame portion in which the left and right vertical frame members and the horizontal frame members at the upper and lower ends are assembled in a rectangular shape, and the outer peripheral frame portions are arranged at intervals in the horizontal width direction, and the upper and lower ends are vertically arranged. It consists of a plurality of vertical furring strips joined to the horizontal frame material of.

Further, Patent Document 2 discloses a curing device capable of performing construction work on a building opening by installing it at each building opening without forming a scaffold.

Japanese Unexamined Patent Publication No. 2016-113839 Japanese Unexamined Patent Publication No. 2006-152695

However, none of the above patent documents discloses an efficient construction method for a building having an outer wall in which a plurality of outer wall materials are arranged one above the other.

In view of the above circumstances, it is an object of the present invention to provide a building construction method capable of efficiently constructing a building having an outer wall in which a plurality of outer wall materials are arranged one above the other.

The building construction method of the present invention is a building construction method including an outer wall in which a plurality of outer wall materials are arranged one above the other in order to solve the above-mentioned problems, and one or more of the above-mentioned outer wall materials and the above-mentioned outer wall materials. A step of providing a plurality of carry-out members protruding from the indoor side to the outdoor side through a temporary opening obtained by the absence of a base material, a step of providing a scaffold using the carry-out member, and the above-mentioned temporary after removing the scaffold. It is characterized by including a step of attaching an outer wall material to the opening from the indoor side.

With the above method, the outdoor installation member is attached to the outer wall material at a high position of the building by the scaffolding made by using the temporary opening without building a scaffolding from the ground to the eaves around the building to be built. Work etc. can be easily performed. Further, since the temporary opening can be formed over the entire width of the girder surface (flat side) of the building, for example, the scaffolding using this temporary opening also extends over the entire width of the girder surface (flat side). It can also be made.

In the above building construction method, while the outer wall material at the highest position is attached to the building frame, one or more outer wall materials and base materials on the second or lower stage from the top are temporarily not present. May be good. According to this, the rain gutter or the like, which is an outdoor installation member, can be easily attached to the outer wall surface material at the uppermost position by using the scaffold.

In the above-mentioned building construction method, the outdoor installation member may be attached to the outer wall material at the uppermost position by using the above-mentioned scaffolding in a state where the roof is attached to the building frame. According to this, a rain gutter or the like can be attached to an appropriate position on the lower end side of the roof.

In the above-mentioned building construction method, as the above-mentioned outer wall, an outer wall panel in a form in which a plurality of outer wall materials are arranged one above the other and integrated is used, and the outer wall panel is used as one or more of the above outer wall materials. It may be attached to the building frame in a state where it does not exist. According to this, while it is possible to construct an outer wall by using an outer wall panel in which a plurality of outer wall materials are arranged one above the other and integrated, the outer wall panel can be temporarily used for building construction in a place where the outer wall material does not exist. An opening can be formed.

In the construction method of the building, the outer wall panel has a place where the outer wall material and the first base material to which the outer wall material is fixed do not exist, and the place where the first base material does not exist. A second base material that vertically connects the upper and lower first base materials may be detachably attached.

In the construction method of the building, the scaffolding is made by using the temporary opening formed by removing the second base material from the first base material, while after the scaffold is removed, the outer wall surface is opened to the temporary opening. The material may be attached from the indoor side, and the second base material may be attached to the first base material.

According to the present invention, since the scaffolding is formed through the temporary opening of the outer wall obtained by the absence of the outer wall material and the base material, there is an effect that efficient building construction can be performed.

It is a rear view which showed the structure at the time of construction of the outer wall panel used in the construction method of the building which concerns on embodiment of this invention. FIG. 1A is an explanatory view showing a cross section of the upper part and the lower part of the outer wall material in the outer wall panel of FIG. 1, and FIG. 1B shows the fitting portion of the outer wall material arranged vertically in FIG. It is explanatory drawing. It is a front view which showed an example of the ground assembly pedestal which assembles the structure at the time of construction of the outer wall panel of FIG. 1 on the ground. 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 skeleton of a building. It is explanatory drawing which showed the state which the structure at the time of construction of the outer wall panel of FIG. 1 is lifted by the balance in order to attach to the frame of a building. It is explanatory drawing which showed the scaffolding and hoistway made by utilizing the temporary opening formed in the structure at the time of construction of the outer wall panel of FIG. 1 and the temporary opening formed in the structure at the time of construction of another outer wall panel. .. It is explanatory drawing which showed the scaffolding made by utilizing the temporary opening formed in the structure at the time of construction of the outer wall panel of FIG. It is a figure which shows the embodiment, FIG. ), The roof, the outer wall panel, and the scaffolding are superimposed.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, the structure 5 at the time of construction of the outer wall panel used in the construction method of the building according to this embodiment is a first base material (a first base material) which is a base material in which a plurality of horizontally long outer wall materials 51 are arranged one above the other. It has a structure that can be attached to the frame of a building in a form in which it is connected to each other by a vertical furring strip) 52 and integrated. 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 material such as lip channel steel or a closed cross-section steel material such as a square steel pipe.

The outer wall surface material 51 is, for example, as shown in FIGS. 2A and 2B, a metal sandwich panel in which a noncombustible heat insulating material 51a is sandwiched between steel plates 51b and 51c. When two outer wall materials 51 are arranged one above the other, the outer wall material 51 located in the upper stage is formed in two recesses 51d formed in the upper end surface of the outer wall material 51 located in the lower stage in the horizontal direction. By fitting the two convex portions 51e formed on the lower end surface in the lateral width direction, the upper and lower outer wall surface members 51 are combined so as not to be displaced from each other in the out-of-plane direction.

Further, for example, by using the ground lumber 1 shown in FIG. 3, the outer wall panels in which the plurality of outer wall materials 51 are arranged one above the other and connected by the first base material 52 are attached to the frame of the building to which the outer wall panels are attached. It can be assembled in a place different from the outer wall mounting location. The ground frame 1 is, for example, formed by vertically and horizontally assembling a plurality of columnar members 11 and beam-shaped members 12, but the structure thereof is not limited to that shown in FIG.

After setting the first base material 52 on the ground lumber 1, the worker sets the outer wall material 51, screwes a screw or the like into the upper end side of the set outer wall material 51, and the outer wall material. 51 is fixed to the first base material 52 set earlier. By repeating this work, the structure 5 at the time of construction of the outer wall panel is manufactured.

In the structure 5 at the time of construction of the outer wall panel, the first base material 52 is divided and separated vertically at the position where the outer wall material 51 on the second stage from the top should exist, and the outer wall material 51 at the uppermost position is separated. Is attached to the first base material 52 on the upper side, and the outer wall surface material 51 and the first base material 52, which are the second steps from the top, are not attached, and all the outer wall materials 51 are below the third step from the top. It is attached to 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 stage, which is the second stage from the top.

Then, as shown in FIG. 1, the structure 5 at the time of construction of the outer wall panel is, for example, a base material having a vertical length from the outer wall material 51 at the uppermost position to the outer wall material 51 which is the sixth stage. A second base material 53 is provided. The second base material 53 is connected to the first base material 52 located above and below the first base material 52 so as to straddle a portion where the first base material 52 does not exist. The second base material 53 can be attached to the first base material 52 in the ground lumber 1. The second base material 53 is detachably attached to the first base material 52, and can be temporarily removed after the structure 5 at the time of construction is attached to the skeleton 7 of the building.

The first base material 52 is made of, for example, channel steel having two facing surface portions and a closed surface portion connecting the facing surface portions, and the outer wall surface material 51 is screw-fixed on one side of the facing surface portions.

Further, as shown in FIG. 4, the skeleton 7 of the building to which the structure 5 at the time of construction of the outer wall panel is attached includes, for example, a roof beam 71, a windproof beam 72, a floor beam 73, etc. on which the roof 7A is supported. There is. Further, the connecting material 71a is fixed to the roof beam 71 at a predetermined pitch, and the roof side windproof beam 72A is provided so as to penetrate the connecting material 71a. In the installation of the outer wall panel to the building skeleton 7 at the time of construction, for example, the other side of the facing surface portion of the first base material 52 is the roof side windproof beam 72A and the windproof skeleton in the building skeleton 7. It is fixed to the beam 72, the floor beam 73, etc. by using metal fittings such as an L angle, a fixing bolt, a height adjusting bolt, and the like.

Further, for example, the second base material 53 is also made of channel steel, and by facing the closed surface portion thereof to the closed surface portion of the first base material 52, the second base material 53 is attached to the lateral position of the first base material 52. For example, bolt insertion holes are formed in the closed surface portion at a predetermined pitch, and the second base material 53 is attached to and detached from the first base material 52 by the bolts and nuts sewn through 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 bolt mounting structure can be used. Further, the above-mentioned structure for making it removable is not limited to the structure using bolts and nuts.

Further, as shown in FIG. 5, the structure 5 at the time of construction of the outer wall panel can be lifted by using the balance 8. The balance 8 is provided with a fixing portion 81 on one side and a counterweight 82 on the other side. The fixing portion 81 is fixed to the first base material 52, the second base material 53, the outer wall surface material 51, or a member temporarily fixed to the first base material 52, the second base material 53, or the outer wall surface material 51 of the structure 5 at the time of construction of the outer wall panel. The balance 8 is suspended by a hanging source 83 such as a crane.

In the construction of the building, the structure 5 at the time of construction of the outer wall panel lifted as described above is attached to the frame 7 of the building by the first base material 52. More specifically, the upper first base material 52 in the structure 5 at the time of construction 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 the outer wall panel, a normal outer wall panel 5A to which all the outer wall materials 51 are attached is attached to the skeleton 7 of the building, and the base material of the outer wall panel 5A is attached. 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 to the upper end by, for example, a joint plate.

As described above, after the first base material 52 in the outer wall surface material 51 is fixed to the building frame 7, the second base material 53 is removed from the first base material 52. Since the first base material 52 is fixed to the skeleton 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 does not come off from the skeleton 7. No. Then, by removing the second base material 53 from the first base material 52 in this way, as shown in FIGS. 6 and 7, the second base material 53 also exists in the place where the outer wall surface material 51 does not exist. It does not form a temporary opening, that is, an opening that is not blocked by the base material and can be used during construction.

For example, on the girder surface of the top floor of a building, a plurality of the above-mentioned construction structures 5 are attached to the skeleton 7. In the example shown in FIG. 6, only the outer wall surface material of the second stage from the top is absent from the first and third construction structures 5 from the right. On the other hand, with respect to the structure 5B at the time of construction, which is the second piece from the right, the outer wall surface materials 51 of the second, third and fourth steps from the top are absent in order to arrange the hoistway 31. ..

As shown in FIGS. 8 (A) and 8 (B), the hoistway 31 has a first staircase portion 31A installed on the floor surface on the indoor side of the top floor and the second construction from the right. The time structure 5B includes a crossing floor portion 31B that crosses over the outer wall surface material 51 at the upper center position, and a second staircase portion 31C that is installed on the outdoor side of the crossing floor portion 31B and is connected to the scaffolding 32 above. ..

In the scaffold 32, for example, the base end side of the horizontally arranged carry-out member 32b is supported at two points by the support member 32a hanging from the two roof beams 71, 71, and the tip end side of the carry-out member 32b is supported. It is projected to the outdoor side through a temporary opening. A plurality of the carry-out members 32b are installed in the horizontal direction of the girder surface. Then, a walking board or the like is arranged on the plurality of carry-out members 32b to prepare the floor of the scaffold 32. Further, a handrail 32c is attached to the outdoor side end of the scaffold 32. The hoistway 31 and the scaffolding 32 can be manufactured by an existing method using a single pipe (pipe), a pipe stopper, or the like.

By using the scaffold 32, work around the outer wall can be performed. That is, without building a scaffolding from the ground to the eaves around the building to be built, the work of attaching the outdoor installation member to the outer wall surface material 51 at a high position of the building by the scaffolding 32 produced by using the temporary opening can be performed. It will be easy to do. Further, since the temporary opening can be formed over the entire width of the girder surface (flat side) of the building, for example, the scaffolding 32 using this temporary opening also extends over the entire width of the girder surface (flat side). Can also be manufactured.

Further, as described above, when the outer wall material 51 at the uppermost position is attached to the frame 7 of the building, a rain gutter or the like can be easily attached to the outer wall material 51 at the uppermost position as an outdoor installation member. Further, by attaching the rain gutter to the outer wall surface material 51 at the uppermost position in the state where the roof 7A is attached to the skeleton 7 of the building, the rain gutter is attached at an accurate position with respect to the lower end of the roof 7A. be able to.

When the work using the scaffold 32 is completed, the hoistway 31 and the scaffold 32 are disassembled and removed, and the carry-out member 32b is removed. The scaffold 32 can be disassembled 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 a plurality of vertically arranged first base materials 52 are connected by the second base material 53, and the above construction is performed. The time structure 5 is completed as an outer wall panel. For example, by temporarily fixing the outer wall material 51 at the uppermost position to the skeleton 7 so as to be able to move up and down to some extent by a long hole or the like, it becomes easy to attach the outer wall material 51 to be retrofitted. .. Further, a joint plate having a bolt insertion hole may be interposed at a connecting portion between the first base material 52 and the second base material 53, and these three plate portions may be bolted together.

Further, as in this embodiment, in the outer wall panel in which a plurality of outer wall materials 51 are arranged and integrated vertically, a construction structure 5 in which one or more of the outer wall materials 51 do not exist is provided. 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 place where the outer wall material 51 does not exist, while enabling the construction of the outer wall by such an outer wall panel.

In the above example, the above-mentioned construction structure 5 is used, but the present invention is not limited to this, and the construction method in which the outer wall surface material 51 is fixed to the building frame 7 one by one is also possible. A temporary opening can be formed to form a scaffold. When creating a scaffold on the top floor, the outer wall material 51 at the top position can be attached to the skeleton 7 by using this scaffold. The scaffolding position is not limited to the top floor.

Although the embodiment of the present invention has been described above with reference to the drawings, the present invention is not limited to that of the illustrated embodiment. It is possible to make various modifications and modifications to the illustrated embodiment within the same range as the present invention or within the same range.

1: Ground frame 5: Construction structure 5A: Outer wall panel 5B: Construction structure 7: Frame 7A: Roof 8: Balance 11: Columnar member 12: Beam-shaped member 31: Hoistway 31A: First staircase 31B : Crossing floor 31C: Second staircase 32: Scaffolding 32a: Supporting member 32b: Bringing out member 51: Outer wall surface material 51a: Non-combustible heat insulating material 51b: Steel plate 51c: Steel plate 51d: Recessed portion 51e: Convex portion 52: First base 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: Fixed part 82: Counterweight 83: Suspension source

Claims (6)

A method of constructing a building having an outer wall in which a plurality of outer wall materials are arranged one above the other, from the indoor side to the outdoor side through a temporary opening obtained by not presenting one or more of the above outer wall materials and a base material. It is characterized by including a step of providing a plurality of projecting carry-out members, a step of providing a scaffold using the carry-out member, and a step of attaching an outer wall material to the temporary opening from the indoor side after the scaffold is removed. Construction method of the building. In the building construction method according to claim 1, while the outer wall material at the highest position is attached to the building frame, one or more outer wall materials and base materials on the second or lower stage from the top are temporarily attached. A building construction method characterized by not being present. The building construction method according to claim 2, wherein the outdoor installation member is attached to the outer wall material at the uppermost position by using the scaffolding in a state where the roof is attached to the building frame. Method. In the building construction method according to any one of claims 1 to 3, as the outer wall, an outer wall panel having a plurality of outer wall materials arranged one above the other and integrated is used, and the outer wall panel is used. A method of constructing a building, which comprises attaching the above-mentioned outer wall material to the building frame in a state where one or a plurality of the above-mentioned outer wall materials do not exist. In the building construction method according to claim 4, the outer wall panel has a portion where the outer wall material and the first base material to which the outer wall material is fixed do not exist, and the first base material is used. A building construction method characterized in that a second base material that vertically connects the upper and lower first base materials across non-existent parts is detachably attached. In the building construction method according to claim 5, a scaffold is produced by using a temporary opening formed by removing the second base material from the first base material, while the temporary opening after the removal of the scaffold is performed. A building construction method characterized in that an outer wall material is attached to an opening from the indoor side and a second base material is attached to the first base material.

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