Cast-in-situ hollow board

Abstract

The invention is a cast-in-site concrete hollow slab, comprising reinforced concrete, and hollow bodies, where the hollow bodies are wrapped in the reinforced concrete and alternate with cast-in-site reinforced concrete ribs, cast-in-site reinforced concrete top plate and infrabasal slab are on and under the hollow bodies respectively, the hollow body is equipped with support foot, the support foot is arranged on the bottom outer wall of the hollow body, the hollow body is formed by outer walls, and it is characterized in that: the outer wall of the hollow body has cementation belt bonded with sides of pulp body of the outer wall, the position of in-cavity cementation belt is stacked with a prefabricated mould, and the side outer wall of the hollow body is equipped with rib space width limiting piece. Thus, the hollow body has features of easy to make, high production efficiency, good integrity, low cost, easy to assure the pouring quality of cast-in-site concrete building covers.

Description

(1) Technical field [0001] The invention relates to a cast-in-place concrete hollow slab. (2) Background technology [0002] At present, the cast-in-place concrete hollow floor is a widely used floor structure. The lightweight permanent tire molds filled in it include various hollow tubes and boxes, and the boxes are hollow or solid. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is that the patent No. is ZL00203695.9, and the name is called "combined concrete hidden rib floor slab" utility model patent, which discloses a formwork member in its specification, which can be solid or hollow, and its sh...

AI Technical Summary

Problems solved by technology

But when this kind of hollow carcass is applied to the floor construction, the hollow carcass cannot be accurately arranged in the middle layer of the floor, which affects the construction quality of the floor

For this reason, the patent number is ZL01215092.4, and the utility model patent titled "Building Components" discloses a building component that is a polyhedron, which can be hollow or solid. It is arranged in the middle layer of the floor, and the outer wall of the polyhedron is provided with protruding legs, so that when the floor is poured, the legs can ensure that the hollow multi-faceted main cavity is just at the middle layer of the floor. , so as to better solve the above problems, but this kind of building components is inconvenient to manufacture, the production efficiency is low, it is not convenient for assembly line production, and the corresponding cost is high. At the same time, when the building components are applied to cast-in-place concrete hollow floors, the horizontal The limit is inconvenient, and it is impossible to effectively ensure that the width of the hidden rib in the floor is consistent with the designed width. Therefore, it is urgently needed to develop a new type of cast-in-place concrete hollow slab.

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