JPH05306572A - Construction method for building - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] The construction accuracy and construction efficiency can be improved by connecting pipe units that are constructed in separate processes in factories, etc., by connecting pipe units that are vertically divided. Provide an improved building construction method. [Structure] A pipe unit 1 that forms a pipe shaft A for a first floor of a building is constructed in advance by a unit main body 2, a slab 3, and a subpipe 4 that forms the pipe, and the completed pipe unit 1 is used as the pipe shaft. After installing the pipe unit 1 at the position A and installing the new pipe unit 1 on the upper portion of the pipe unit 1 that has been completely installed, the pipes of the upper and lower pipe units 1 are connected to each other to construct the pipe shaft A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a building having a pipe shaft on which pipes for heating and cooling, water supply and drainage are laid vertically.

[0002]

2. Description of the Related Art Conventionally, pipe pipes for vertically arranging pipes for heating and cooling of buildings, water supply and drainage, etc.
After installing reinforced concrete, lightweight cellular concrete, etc. on the walls and ceiling at the construction position, work such as inspection doors will be performed. Then, the pipe is laid in the pipe shaft that has been constructed, and a fireproof section for the slab portion is constructed.

[0003]

However, in the method of constructing a pipe shaft as described above, the piping at the construction site is a work in a narrow pipe shaft, and a large number of pipes are installed in the pipe shaft. Since it is necessary to pipe through the components, workability is unsatisfactory,
It was a cause of a decrease in the construction efficiency of the building.

The present invention has been made in view of the above-mentioned problems, and is constructed by connecting a pipe shaft, which is constructed in a separate process in a factory or the like, to a pipe unit in which the pipe shaft is divided in the vertical direction. It is an object of the present invention to provide a building construction method that improves accuracy and construction efficiency.

[0005]

In the method for constructing a building according to the present invention, a pipe unit for forming a pipe shaft for one floor of a building is constructed in advance by a unit main body, a slab, and a subpipe forming the pipe, After installing the completed pipe unit at the position of the pipe shaft with the slab as the position of the floor of the building, and installing a new pipe unit on the upper part of the installed pipe unit, pipes of the upper and lower pipe units are mutually attached to each other. The connection and the construction of the pipe shaft were the means for solving the above problems.

[0006]

According to the method of constructing a building of the present invention, since the pipes of the laminated pipe units can be connected at the site to form the intended pipeline to be laid on the pipe shaft, the piping work at the site is unnecessary. And Further, if each pipe unit is designed to have a constant shape, the efficiency of constructing the pipe unit in a factory or the like improves.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the figure, reference symbol A forms a pipe shaft A by installing a plurality of pipe shafts of a building to be constructed by the method of constructing a building of the present embodiment, and 1 by vertically installing a plurality of pipe shafts A in a building in a stacked state. A pipe unit, 2 is a unit main body, 3 is a slab that is installed on the floor of the building, and 4 is a sub-pipe that forms one floor of the pipe that is laid vertically on the pipe shaft A of the building to be constructed. Is.

As shown in FIGS. 1 and 2, the pipe unit 1 has a generally rectangular tubular shape in a plan view, and is fixed to the unit body 2 and a lower portion of the unit body 2 together with the unit body 2. Slab 3 forming the same side of pipe unit 1, unit body 2 and slab 3
The sub-pipe 4 is fixed in the inside in a vertically standing state.
It consists of and.

As shown in FIG. 2, the unit body 2 includes a sub-frame 5 forming the outer shape of the unit body 2 and an exterior plate 6 fixed to the outer surface of the sub-frame 5.
And an inspection door 7 attached to the front surface (front side of FIG. 2) of the exterior plate 6. Subframe 5 is
It is a frame-shaped member made of steel that forms each side of the pipe unit 1, and supports the sub-pipe 4 via a sub-pipe fixing metal fitting 8 installed between the sides. As shown in FIG.
At the top of the sub-frame 5, in each of the four corners in plan view,
A setup hanging hook 9 is attached. The setup suspension hook 9 is a member made of a metal having a substantially conical shape, and is fixed to the upper portion of the pipe unit 1 so as to project entirely. In addition, a wire hooking hole 9a for hooking a wire when the pipe unit 1 is installed is horizontally pierced through a central portion of the setup hanging hook 9.

The slab 3 is formed of reinforced concrete in a plate shape having the same shape as the unit body 2 in plan view, and the lower end of the subframe 5 is fixed to the upper portion. At the lower end of the slab 3, setup hanging hook receiving fittings 10 for receiving the wire hooking holes 9a are embedded at each of four corners in a plan view. As shown in FIG. 3, each of the setup hanging hook receiving fittings 10 is positioned below the pipe unit 1 when the pipe unit 1 is newly installed directly above the pipe unit 1 previously installed.
It is fixed to each pipe unit 1 so as to be located immediately above the wire hooking hole 9a. Each of the setup-hanging hook receiving fittings 10 has a substantially bottomless hollow truncated cone shape, and has a setup-hanging hook fitting hole 10a formed in the center thereof, which can be fitted into the wire hanging hole 9a from its lower end. ..

The sub-pipe 4 is formed to have a length substantially equivalent to one floor of the pipe to be laid on the pipe shaft A, the upper end of which is located at the center of the pipe unit 1 and the lower end of which is projected below the slab 3. In this state, it is fixed to the sub pipe fixing member 8 and supported by the sub frame 5.
The lower portion of the sub pipe 4 is embedded in the slab 3 in a penetrating state.

The setup hanging hook 9 and the setup hanging hook receiving metal fitting 10 may be formed in other forms as long as they can be fitted to each other.

A method of constructing a pipe shaft A of a building to be constructed using the pipe unit 1 according to the method of constructing a building of this embodiment will be described below. In order to construct the pipe shaft A by the building construction method of the present embodiment, the pipe unit 1 is constructed in the above-described form in a factory or the like, and the completed pipe unit 1 is constructed by the pipe shaft A of the building. Install in the construction position. As shown in Figure 1,
To install the pipe unit 1 on the pipe shaft A, insert the wire 11 into the wire hooking hole 9a of each setup suspension hook 9 and lift the upper part of each wire 11 with a lifting device such as a crane (not shown). Due to
Lift the pipe unit 1. Then, the pipe unit 1 is suspended at the construction position of the pipe shaft A by operating the lifting device.

The pipe unit 1 which is first suspended on the pipe shaft A is installed at a desired position after the slab 3 has a height equal to the floor of the building. When the installation of the first pipe unit 1 is completed, the pipe unit 1 is newly hung above the pipe unit 1 in the same manner. At this time, the pipe units 1 and 1 which are in a stacked state in the upper and lower sides are the same as the pipe unit 1 in which the setup hanging hook 9 of the pipe unit 1 located below is located above
The setup hanging hook receiving metal fitting 10a is in a state of being fitted. Hereinafter, in the same manner, the pipe unit 1 is newly installed on the upper portion of the pipe unit 1 that has been installed, thereby completing the outline of the pipe shaft A of the building to be constructed.

When the installation of the pipe unit 1 is completed, the inspection door 7 is opened to open the upper end of the sub pipe 4 of the pipe unit 1 and the lower end of the sub pipe 4 of the pipe unit 1 located above the pipe unit 1. The pipe shaft A is completed by connecting the parts to each other with a flexible tube, a screw joint, or the like. At this time, the sub pipe 4 is attached to the inspection door 7
Since it is located in the central portion of the pipe unit 1 when opened, the connecting position of the sub-pipes 4 does not interfere with the slab 3 or the like of the upper pipe unit 1 and the height is suitable for the connecting work by the operator. Become. Since the subpipe 4 is driven into the slab 3, the fireproof section treatment of the subpipe 4 does not need to be performed after the pipe unit 1 is installed at the construction position of the pipe shaft A.

Therefore, according to the building construction method of the present embodiment, the pipe unit 1 constructed in a separate process at a factory or the like.
Is hung at the construction position of the pipe shaft A to be in a laminated state, and the pipe shaft A is constructed by connecting the subpipes 4 and 4 of the vertically adjacent pipe units 1 and 1 to each other. The construction work can be performed only by connecting the sub-pipes 4 and 4, and the construction work of the pipe shaft A can be carried out without being influenced by the construction process of other parts of the building.
The workability of is improved. Further, if the pipe unit 1 is newly placed on the upper portion of the pipe unit 1 that has been installed at the construction position, the upper portion of the lower pipe unit 1 is covered with the slab 3 of the upper pipe unit 1, so The safety of the work in the located pipe unit 1 is ensured.

Furthermore, in the method of constructing a building according to this embodiment, since the pipe unit 1 is constructed in a separate process in a factory or the like, the pipe unit 1 can be constructed accurately and the construction accuracy of the pipe shaft A is improved. In addition to improving the quality of the building to be constructed, it is easy to secure the work space for the construction of the pipe unit 1, and the construction of the pipe unit 1 and the construction other than the pipe shaft A of the building can be performed in parallel. The construction efficiency of the building is greatly improved, and the construction period of the building can be significantly shortened.

[0018]

As described above, according to the method for constructing a building of the present invention, a pipe unit is constructed which forms a pipe shaft for the first floor of the building by the unit body, the slab and the sub-pipe forming the pipe. After that, the completed pipe unit is installed at the position of the pipe shaft with the slab being the position of the floor of the building, and a new pipe unit is installed on the upper part of the installed pipe unit, and then both the upper and lower pipe units are installed. Since the pipes are connected to each other to construct the pipe shaft, the construction work of the pipe shaft at the construction site is only the connection of the sub pipes of the vertically adjacent pipe units, and the construction work of the pipe shaft is performed. You can proceed without being affected by the construction process of other parts of the pipe shaft construction There is improved. In addition, if a new pipe unit is placed on top of the pipe unit that has been installed in the construction position, the slab of the pipe unit located above covers the upper part of the pipe unit located below the pipe unit located below the pipe unit located below. Work safety is ensured.

Furthermore, in the method of constructing a building according to this embodiment, since the pipe unit is constructed in a separate process in a factory or the like, the pipe unit can be constructed accurately and the construction accuracy of the pipe shaft is improved. In addition to improving the quality of the building, it is easy to secure a working space for the pipe unit, and the construction of the pipe unit and the construction other than the pipe shaft of the building can be performed in parallel, which greatly increases the construction efficiency of the building. It is possible to significantly shorten the construction period of the building.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is an overall perspective view showing a pipe unit.

FIG. 3 is an overall perspective view showing the inside of the pipe unit.

FIG. 4 is a view showing a setup suspension hook and a setup suspension hook receiving fitting.

[Explanation of symbols]

 1 Pipe unit 2 Unit 3 Slab 4 Subpipe A Pipe shaft

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Yukio Murase 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Satoru Masuda 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Incorporated (72) Inventor Ken Nakajima 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (1)

[Claims] 1. A method for constructing a building having a pipe shaft in which pipes for air conditioning, water supply and drainage are laid vertically, wherein the unit main body, a slab, and a subpipe forming the pipe form a pipe for the first floor of the building. A pipe unit that forms a shaft has been built, the completed pipe unit is installed at the pipe shaft position with the slab as the floor position of the building, and a new pipe unit is installed on top of the installed pipe unit. After that, the method for constructing a building is characterized in that the pipes of the upper and lower pipe units are connected to each other to construct a pipe shaft.