JPS6257772B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for constructing a concrete slab, and provides a method that can perform the construction very efficiently.

Traditionally, when constructing concrete slabs for buildings, the method of laying corrugated steel plates, etc. on the constructed beams and pouring concrete on top of them has been used. In addition to being troublesome, the overall weight of the concrete slab is heavy, and it also has disadvantages in that it has poor heat insulation and sound insulation properties. On the other hand, even with the construction method of laying formwork and pouring concrete without using corrugated steel plates, the work of laying the formwork is troublesome, such as supporting the formwork, and the above-mentioned problems with heat insulation, sound insulation, etc. It had the same drawbacks.

Further, according to the conventional construction method, when installing pipes for floor heating inside a concrete slab, it is troublesome to fix the pipes, etc., and the pipe work requires a large amount of labor.

Therefore, the present invention provides a method of constructing a concrete slab that can eliminate the above-mentioned conventional drawbacks and inconveniences.The method is to provide a construction method for concrete slabs that can eliminate the above-mentioned conventional drawbacks and inconveniences. Enlarged pedestal-like blocks are erected at predetermined intervals, and the flooring material made of synthetic resin foam is erected on the pedestal-like blocks so that both ends thereof are supported by the enlarged cross-sectional portions of the above-mentioned pedestal-like blocks. In addition, a support having a supporting part for pipes such as those for floor heating is erected on the subfloor material made of the synthetic resin foam, and the pipes are installed using the support. The method is characterized in that after the concrete is supported in a floating state above the subfloor material, concrete is poured onto the subfloor material and the pedestal-like block.

Next, an embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 is a concrete pedestal-like block used for carrying out the present invention, which has an appropriate length and has stepped sections on both sides so that the lower section of the block is enlarged. 11, and a Kaiser muscle 12 is embedded and fixed in the upper surface. The frame-like blocks are installed at predetermined intervals between appropriately constructed wall beams H and the like (see FIG. 2).

Next, reference numeral 2 denotes a plate-shaped flooring material made of foamed synthetic resin such as polystyrene, and the stepped portions 11 of the pedestal-like block 1 are attached to both long sides a and a.
A step portion 21 corresponding to the step portion 21 is formed, and the side end portion of the other short side is formed in a dowel shape.
The underfloor material 2 is then successively laid between the pedestal blocks so that the stepped portions 21 at both ends a and a are supported by the stepped portions 11 of the pedestal blocks (see FIG. 3). At this time, the flooring material 2 is made seamlessly throughout by fitting its both ends a and a into the frame-like block 1 with good adhesion and abutting the short side by the dovetail shape. Can be covered. Next, reinforcement 3 is applied as appropriate. Then, the support 4 having a U-shaped piping support part 41 on the upper part and a piercing part 42 on the lower part is pierced into the flooring material 2 made of synthetic resin foam, for example, for installing a solar water heater or the like. After supporting the flexible seamless pipe 5 made of a heat-resistant polyethylene tube connected to the hot water supply section in a floating state above the flooring material 2 using the support 4, concrete is placed on the flooring material 2 and the pedestal block 1. If concrete slab S is poured, concrete slab S can be formed (fourth step).
(see figure). At this time, the pedestal block 1 is firmly fixed in position because the Kaiser reinforcement 12 is fixed with the concrete c.

The above-mentioned pedestal block 1 may have various shapes as long as the lower part of the cross section is enlarged. For example, it may have a trapezoidal cross section that does not form the step part 11. (see figure 6),
In this case, both ends a, a of the flooring material 2 may also be made to correspond to the inclined shape.

Furthermore, as the foam forming the flooring material 2, in addition to the above-mentioned polystyrene, foams manufactured from polyethylene, polypropylene, polyvinyl chloride, copolymers mainly composed of these, and the like are also suitable.

According to the above-described construction method according to the present invention, pedestal-like blocks 1 are erected at predetermined intervals between appropriately constructed wall beams, etc., and a flooring material 2 made of synthetic resin foam is placed between the pedestal-like blocks 1. This method involves placing concrete in the concrete slab S after placing the reinforcing steel in the concrete slab S, which eliminates the tedious work such as laying corrugated steel plates for concrete pouring and constructing formwork, as in conventional methods. Not only is this unnecessary, but the subfloor material 2 itself is lightweight and easy to handle, making it possible to construct a concrete slab very efficiently and easily.

In addition, since both ends a, a of the floor base material 2 are supported by the step portions 11 of the pedestal block 1, it is possible to effectively prevent the floor base material 2 from deflecting during concrete pouring. There is no need for a reinforcing plate or the like for prevention, and construction can be carried out more efficiently. In addition, flooring material 2 made of synthetic resin foam
The overall weight of the concrete slab can be reduced,
It also has excellent sound insulation and heat insulation properties. In addition, before pouring the concrete c, a support 4 having a support part for pipes for floor heating, etc. is erected on the subfloor material 2 made of synthetic resin foam, and this support 4 is used to support the pipes. Since concrete is cast onto the subfloor material 2 and the pedestal block 1 after supporting it in a floating state above the subfloor material 2, piping construction becomes easy, and the pipes for floor heating etc. are placed on the concrete c. Since it can be easily embedded and fixed inside the floor, for example, underfloor heating construction in which hot water is circulated inside the floor can be carried out easily and at low cost. Therefore, it is possible to provide a construction method that can greatly contribute to shortening the construction period and reducing construction costs for concrete slabs.

[Brief explanation of the drawing]

The figures illustrate embodiments of the present invention, and FIG. 1 is a perspective view of a pedestal block used for carrying out the invention, FIGS. 2 to 4 are cross-sectional views showing the construction process, and FIG. A perspective view at the time of piping construction, and FIG. 6 is a sectional view of a modified example. 1... Frame-like block, 11... Step part, 12...
...Kaiser reinforcement, 2...floor subfloor material, 3...reinforcement, H
...Wall beam.

Claims (1)

[Scope of Claims] 1. A flooring material made of synthetic resin foam, in which pedestal-like blocks whose cross section is enlarged at a step or the like are erected at predetermined intervals between beams such as appropriately constructed wall beams. are successively laid between the pedestal-like blocks so that both ends thereof are supported by the enlarged cross-sectional portions of the pedestal-like blocks described above, and are appropriately reinforced with reinforcement, and further have support parts for piping for floor heating, etc. A support is erected on the floor base material made of the synthetic resin foam, and the pipe is supported in a suspended state above the floor base material by the support, and then concrete is placed on the floor base material and the pedestal block. A concrete slab construction method characterized by upward pouring. 2. The method of constructing a concrete slab according to claim 1, wherein the pedestal block has Kaiser reinforcements on its upper surface.