Prefabricated slab for lamination

Abstract

A precast slab used for superposing includes a base plate (1) and is characterized in that the base plate (1) is provided with at least two vertical piers (2) and at least two member bars (3),the member bars (3) are transversely arranged on the base plate (1), a spacing (4) is left between the member bars (3) and the base plate (1); the member bars (3) are transversely connected with and support at least two vertical piers (2); the member bars (3), the vertical piers (2) and the base plate (1) form the precast slab used for superposing together, and the base plate (1) is a reinforce concrete base plate. The precast slab is suitable for the construction of various cast-in-situ floor systems, roof systems, wall bodies, foundation mats and road and bridge projects, especially suitable for a hollow girderless floor system.

Description

(1) Technical field [0001] The invention relates to a prefabricated panel for lamination. (2) Background technology [0002] At present, the floors and roofs of multi-high-rise buildings are mainly cast-in-place concrete as a whole. The general construction method is to set up temporary scaffolding at the construction site, set up formwork, and configure steel bars according to needs, and then carry out concrete construction on site. pouring. Instead of the formwork used on site, the so-called prefabricated formwork is manufactured in the factory in advance, and then the prefabricated formwork is moved into the site and installed on the corresponding scaffolding for construction. Due to its advanced workability, the construction period can be shortened, so It has been widely used in recent years. Such prefabricated formwork includes profiled steel plate, concrete formwork and prestressed concrete formwork, etc. However, this type of prefabricated formwork also has some pro...

AI Technical Summary

Problems solved by technology

", in this utility model patent scheme, the floor slab is composed of multiple reinforced concrete prefabricated components, and the two-way structure is formed by forming a criss-cross layout with existing steel bars and reinforced concrete prefabricated components, without the need for on-site formwork. The existing steel bars and the original steel bars of the reinforced concrete prefabricated components form a criss-cross layout, which can bear two-way loads. However, the assembled floor itself is heavy, and the construction application is extremely inconvenient. The horizontal load-bearing steel bars are difficult to wear, and the interval cannot be adjusted. There are restrictions on the diameter of the steel bar. It is a one-way structure, and it needs to pass through the steel bar to bear the two-way load. Moreover, the longitudinal rib structure of its members creates a transverse partition, which is not convenient for pipelines to pass through. The gap between the cast-in-place concrete and the template The shear resistance of the superimposed interface is low, and the steel bars, concrete and other materials used for floor or roof construction consume a lot, the cost is high, and the integrity is poor

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