JP2544524B2 - Construction method of wall using three-dimensional wire mesh panel - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall body suitable for medium- and low-rise apartment houses, and to a method for constructing a wall body using a three-dimensional wire mesh panel.

[0002]

2. Description of the Related Art Overseas, buildings have already been constructed in which mortar and concrete are sprayed on a three-dimensional wire mesh panel having a heat insulating material as a core material to form walls and floors. The applicant also
Several applications have been filed for inventions related to this three-dimensional wire mesh panel.

On the other hand, as a wall construction method, a cast-in-place wall construction method and a PC wall construction method are generally used.

[0004]

However, the former cast-in-place wall construction method has a lot of on-site work, and the latter PC wall construction method has a drawback in that productivity of precast members and joint cost increase.

Further, in order to improve the heat insulating property of the outer wall, it is necessary to separately perform heat insulating work as inner and outer work.

[0006] That is, in the cast-in-place wall construction method, it is necessary to carry out on-site formwork assembly work and a large amount of bar arrangement work, and these works are troublesome, and a specialized craftsman is required. Is a lot needed.

Further, the PC wall construction method has a problem that the cost required for manufacturing the precast member and jointing the members increases. In addition, the heat insulation work for the interior and exterior requires a high cost and construction period.

The present invention was devised in view of the above-mentioned circumstances, and an object thereof is to provide a method for constructing a wall body using a three-dimensional wire mesh panel which can be easily constructed in a short time and has high structural strength. Especially.

[0009]

The present invention is an eclectic construction method of a cast-in-place wall type construction method and a PC wall-type construction method. In the cast-in-place wall type construction method, assembling / disassembling work and a large amount of bar arrangement work are performed. Is significantly reduced, the cost required for manufacturing precast members and joints between members in the PC wall type construction method is reduced, and separate heat insulation work is unnecessary.

That is, according to the present invention, (A) two welding wire nets made by welding iron wires in a grid pattern are arranged in parallel with a certain distance therebetween, and a plate-like heat insulating material is interposed in the middle, or A half-PC plate in which one side of a three-dimensional wire mesh panel in which both welded wire meshes are connected by welding a plurality of iron wire lattice materials is left and the other side is buried in concrete is used as an embedded formwork,
(B) A set of two half PC plates with the exposed welded wire mesh surface of the half PC plate facing inward on both sides of the rebar body in which wall reinforcement bars and half PC plate joint part reinforcement wire mesh are assembled at predetermined positions. The present invention relates to a method for constructing a wall body using a three-dimensional wire mesh panel, which is characterized in that concrete or mortar is placed in the gap between the pair of half PC plates.

The first point of the present invention is that a three-dimensional wire mesh panel is used as a member when manufacturing a half-PC board used as an embedded form. A three-dimensional wire mesh panel, which is usually used as a base material for sprayed concrete or mortar, is applied to another field of PC board production, and the other side is buried in concrete while leaving the welded wire mesh on one side.
A plate (which is referred to as a half-PC plate because the welded wire mesh is exposed on one surface) is manufactured, and this half-PC plate is used as an embedded formwork when building a wall body. The half-PC board of the present invention is manufactured according to a normal PC board manufacturing method. For example, a method of placing concrete to a predetermined thickness in a long line bed (long manufacturing form) and horizontally fixing the three-dimensional wire mesh panel and pushing it into the concrete, or vice versa. It is easily manufactured by a method in which a three-dimensional wire mesh panel is horizontally fixed inside and concrete is poured to a predetermined thickness. In any case, since the three-dimensional wire mesh panel is connected and fixed in the longitudinal direction, the wire mesh is overlapped with the welded wire mesh of the compatible wire mesh panel to reinforce the connection portion. After the concrete is hardened, it is demolded to shape the concrete surface and cut into a predetermined length.

In this way, the standard width and standard length half P
C plates are produced at the factory and transported to the construction site.

A second essential point of the present invention is that a wire mesh for reinforcing the joining portion of the half-PC board is attached to the reinforcing bar side in advance before the embedded formwork which is the half-PC board is installed. Half PC
As the boards are built, naturally the joints occur in the vertical direction.
(Since the half-PC board is sufficiently long, a joint is hardly generated in the horizontal direction.) In addition, in the corner portion, a joint is generated in the vertical direction even if it is disagreeable. It is conceivable to build a half-PC board while attaching a reinforcing wire mesh to the half-PC board side at this joint, but it is necessary to arrange reinforcing bars vertically and horizontally in the wall to be built. By installing a wire mesh for reinforcing the half PC board joint on the side of the bar together with the reinforcement, the efficiency of the work of assembling the half PC board is improved.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show examples of a half-PC board 1 used in the method for constructing a wall of the present invention and a three-dimensional wire mesh panel 2 used for manufacturing the half-PC board, (a), (b),
(C) is a front view and a side view of the three-dimensional wire mesh panel 2, respectively.
It is a top view and (d) is a side view of the half PC board 1.

FIG. 1 shows a general-purpose three-dimensional wire netting panel 2 and a half-PC board 1. The three-dimensional wire netting panel 2 has two welding wire nets 3 and 3 (having a wire diameter of less than 6 mm) in which iron wires are welded in a grid pattern at regular intervals. The two welding wire nets 3 are arranged in parallel and separated from each other, and are integrally connected by a plurality of iron wire lattice members 4 to form a rectangular plate having a predetermined thickness. The half-PC board 1 is manufactured by embedding the welding wire net 3 on one side (right side in the figure) of the three-dimensional wire net panel 2 in the concrete 6a.

FIG. 2 shows a three-dimensional wire mesh panel 2 and a half-PC board 1 for heat insulation, in which a plate-shaped heat insulating material 5 is interposed between two welding wire meshes 3 and 3 which are spaced apart from each other and arranged in parallel. ,
A plurality of iron wire lattice members 4 that obliquely penetrate the heat insulating material 5 integrally connect the welding wire nets 3 and 3 on both sides to form a rectangular plate-shaped three-dimensional wire mesh panel 2 that is thicker than in the case of FIG.
As in the case of FIG. 1, the half-PC board 1 is manufactured by embedding the welded wire mesh 3 on one side (the right side in the drawing) of the three-dimensional wire mesh panel 2 in the concrete 6a.

As the heat insulating material 5, a plastic foam plate, a glass wool plate, or the like having the same area as the welding wire net 3 is used.

An example of constructing the wall 7 by using the above-mentioned two types of half PC boards 1 as an embedded form will be described with reference to FIGS. 3 to 7.

FIG. 3 is a partial vertical cross-sectional view centering on the wall 7 of the constructed building, FIG. 4 is an enlarged view of part A of FIG. 3, and FIG. 5 is FIG.
It is an enlarged view of the B section. As shown in FIG. 3, a half-PC board 1 with a built-in heat insulating material 5 is used on the outer side of the outer wall, but a general-purpose half-PC board 1 is used on the inner side of the outer wall and the inner wall. (Note that FIG. 3 does not show concrete or mortar to be laid on site to make the drawing easier to see.) To build the wall 7, first, assemble the vertical bars 9a and the horizontal bars 9b at the building position, and Reinforcing wire netting 9c is provided at the joint of the PC board 1.
Install the bar with the attached.

A pair of two half-Ps in contact with both sides of this bar
The welding wire net 3 exposing the C plate 1 is placed inside. (See FIGS. 4 and 5) The reinforcing wire netting 9c is shown in FIGS. 4 and 5 because it is a cross section near the joint of the half-PC board 1 and not the joint. The reinforcing wire net 9c is not attached to the.

FIG. 4 is an assembly view of a buried formwork for building a general wall, and FIG. 5 is an assembly view of a buried formwork for building an outer wall. After assembling the embedded formwork as shown in the figure, close the half PC board 1 joint,
Fixing with foam ties, concrete or mortar 6b is placed in the gap between the pair of half PC boards 1. (See FIG. 6) After the concrete or mortar 6b is hardened, the foam tie is removed to complete the construction of the wall 7.

A horizontal cross-sectional view of the intersection of the outer wall and the inner wall is shown in FIG. 7 as an example of attaching the reinforcing wire net 9c to the joint of the half PC board 1.

[0024]

The present invention is an eclectic construction method of the cast-in-place wall construction method and the PC wall construction method having the above-mentioned constitution, and has the following effects.

(1) The work of assembling and disassembling the formwork in the cast-in-place wall construction method is unnecessary, and the work of arranging only a small amount of vertical and horizontal bars and the wire mesh of the joint, which can be greatly reduced.

(2) The half-PC board used in the present invention can be easily cut with an ordinary cutter, and can be used for all purposes by mass-producing a small number of standard products of standard length and standard width. Becomes Therefore, it is possible to significantly reduce the production cost of the PC member as compared with the PC member of the conventional PC wall-type construction method which is used for small-lot production of a wide variety of products.

(3) The joining of the PC members is carried out by casting cast-in-place concrete instead of the connection of the projecting reinforcing bars in the conventional PC wall type construction method, and the joining work efficiency is improved.

(4) By incorporating a heat-insulating material in the half-PC board to be used, a separate heat-insulating work in the conventional PC wall construction method becomes unnecessary.

[Brief description of drawings]

FIG. 1 shows an example of a half-PC board used in the present invention and a three-dimensional wire netting panel that constitutes the half-PC board and does not contain a heat insulating material, and (a), (b), and (c) of the three-dimensional wire netting panel, respectively. It is a front view, a side view, and a top view, and (d) is a side view of a half PC board.

FIG. 2 shows an example of a half-PC board used in the present invention and a three-dimensional wire netting panel that constitutes the half-PC board and has a built-in heat insulating material, and (a), (b), and (c) respectively show the three-dimensional wire netting panel. It is a front view, a side view, and a top view, and (d) is a side view of a half PC board.

FIG. 3 is a partial vertical sectional view centering on a wall body of an example of a building constructed by the present invention.

FIG. 4 is an enlarged view of a portion A of FIG.

5 is an enlarged view of part B in FIG.

6 is a vertical cross-sectional view showing a state in which concrete or mortar 6b is cast in a gap between a pair of half PC plates for building a general wall in FIG.

FIG. 7 is a horizontal cross-sectional view showing an intersection of wall bodies of an example of a building constructed according to the present invention.

[Explanation of symbols]

1 ... Half PC board, 2 ... Solid wire mesh panel, 3 ... Welded wire mesh, 4
… Iron wire lattice material, 5… Insulation material, 6a… Half PC plate concrete, 6b… Cast-in-place concrete or mortar, 7
... Walls, 7 ... Openings, 9a ... Vertical streaks, 9b ... Horizontal streaks, 9c ...
Wire mesh for reinforcing joints, 13 ... Floor mortar.

Claims (2)

(57) [Claims] 1. (A) A plurality of iron wire lattices in which two welding wire nets made by welding iron wires in a grid pattern are arranged in parallel with a certain distance therebetween, and a plate-shaped heat insulating material is interposed in the middle, or without interposing. A half PC plate in which one side of a three-dimensional wire mesh panel in which both welded wire meshes are connected by welding materials is left and the other side is buried in concrete is used as an embedded formwork, and (B) wall reinforcement and half PC plate connection With the exposed welded mesh surface of the half-PC plate on the both sides of the rebar in which the part-reinforcing wire mesh is assembled at a predetermined position, two half-PC plates are installed as one set, and one half-PC plate is installed.
A method for constructing a wall body using a three-dimensional wire mesh panel, which comprises placing concrete or mortar in the gap between the plates. 2. One of the two sets of half-PC boards is a half-PC board manufactured by using a three-dimensional wire mesh panel having a plate-shaped heat insulating material interposed in the middle, and the other one is an intermediate board. The method for constructing a wall body according to claim 1, wherein the wall body is a half-PC board manufactured by using a three-dimensional wire mesh panel without interposing a plate-shaped heat insulating material.