JP2019112904A - Building construction method - Google Patents

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

  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.

  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.

  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.

JP, 2016-113839, A Unexamined-Japanese-Patent No. 2006-152695

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

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. 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. 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. 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. 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. 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. . 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. 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.

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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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.

  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. .

  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. .

  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.

  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.

  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.

  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.

  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.

  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.

  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: 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)

  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.   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.   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.   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.   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.   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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