Cast-in-place concrete plate

Abstract

The invention is a cast-in-site concrete slab, comprising reinforced concrete, and lightweight moulding bed components, where the lightweight moulding bed components are wrapped in the reinforced concrete, and it is characterized in that at least a vertical corner of the lightweight moulding bed component is a vertical hidden angle running through top and bottom surfaces, and the lightweight moulding bed components are closely arranged, cast-in-site reinforced concrete forms cast-in-site concrete shear pier at the vertical hidden angle, and correspondingly, the cast-in-site concrete slab forms a shear pier-type cast-in-site concrete slab. And the invention is applied to cast-in-site reinforced concrete or prestressed reinforced concrete hollow floor systems, house covers, walls, foundation slabs and hollow bridges.

Description

(1) Technical field [0001] The invention relates to a cast-in-place concrete board. (2) Background technology [0002] The cast-in-place concrete slab is currently the most widely used floor structure. It has the advantages of fast construction speed, small structural height, flexible division of indoor areas and no need for ceiling decoration. The lightweight permanent tire mold filled in it has various hollow tubes. And boxes, boxes are hollow or solid. For example, the patent No. ZL99232921.3, which the applicant applied for on March 10, 1999, is a utility model patent named "thin-walled tube for filling cast-in-place reinforced concrete", which consists of a hard thin-walled tube and two plugs. It is used as a lightweight permanent tire mold in beamless slabs. Another example is Liang Jun of Shijiazhuang City, Hebei Province. The patent No. ZL00203695.9 applied for on February 23, 2000, the formwork used in the utility model patent named "combined concrete concealed ri...

AI Technical Summary

Problems solved by technology

However, whether it is a hollow tube or a box, after being applied to the floor as a lightweight permanent matrix, it can form a one-way cast-in-place concrete rib hollow floor or a two-way cast-in-place concrete ribbed floor, but it cannot form a shear key two-way Floor, although Guizhou University of Technology has applied for a utility model patent with a patent number of ZL97200102.6 and the name "Reinforced Concrete Shear Key Type Two-way Hollow Slab", which discloses a shear key type two-way hollow floor, which has a self-weight Lightweight, good mechanical performance, good seismic performance, and flexible division of building space, etc., but its construction is very difficult, time-consuming, laborious, and costly

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