Cast-in-place reinforced concrete hollow floor (plate) with both thermal insulation and sound insulation functions and preparation method thereof
A reinforced concrete, thermal insulation and sound insulation technology, which is applied in the direction of thermal insulation, floor slabs, building materials, etc., can solve the problems of poor heat insulation and sound insulation effects, single function, etc., and achieve good bearing capacity, convenient construction, and easy fixed position.
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Embodiment 1
[0041] like Figure 1-3 shown.
[0042] A cast-in-place reinforced concrete hollow floor (slab) with thermal insulation and sound insulation functions, which is formed by pouring concrete and steel bars. The steel bars are composed of upper steel mesh and lower steel mesh. The formed grid-like space is filled with spherical heat-insulating and sound-insulating material bodies, and the diameter of the spherical heat-insulating and sound-insulating material body is smaller than the size of the grid formed by binding the upper and lower steel bars vertically and horizontally. 10-30% of the volume of the whole floor (slab). The insulation compartment material body is one or a combination of foamed plastics such as foamed polyurethane and foamed polyethylene. The material body of the thermal insulation compartment is light in weight, and its density is much lower than that of concrete.
Embodiment 2
[0044] like Figure 1-3 shown.
[0045] A cast-in-place reinforced concrete floor (slab) with thermal insulation and sound insulation functions is prepared through the following steps:
[0046] 1. According to the design requirements, select appropriate steel bars in the vertical and horizontal directions, and bind the lower steel bars of the concrete floor (slab) at a certain interval.
[0047] 2. The diameter of the filler sphere is determined according to the thickness of the final formed floor (slab), and the diameter is preferably changed according to the thickness of the concrete floor (slab), which is conducive to maintaining the concrete floor (slab) while maintaining heat insulation and sound insulation and reducing its own weight. rigidity.
[0048] 3. After determining the diameter of the filler material, determine the spacing of the auxiliary reinforcement according to the diameter of the filler sphere. The auxiliary reinforcement is two thin steel bars placed ...
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