Prefabricated prestressed plate with reinforced truss flange plate and production method thereof

Abstract

The invention relates to a prefabricated prestressed plate with a reinforced truss flange plate and a production method thereof, in particular to an assembly type concrete overlapped floor slab with a bidirectional mechanical performance and the production method thereof. The prefabricated prestressed plate consists of a prefabricated prestressed concrete base plate, a prefabricated concrete flange strip plate and reinforced trusses which are respectively cast in an upper plate and a lower plate; and a gap through which a wire tube and a reinforcing steel bar penetrate is reserved between the base plate and the flange plate. When the prefabricated prestressed plate is produced, the reinforced trusses are cast with the concrete flange strip plate together; the flange plate with the reinforced truss is turned by 180 degrees and is commonly pressed in the base plate which is provided with stretch-drawing prestressed bars and a concrete material together with a longitudinal reinforcing steel bar positioned at a sharp point of the triangular reinforced truss, a broken line bending part and a transverse distribution bar; and concrete is vibrated and cured to form the prefabricated prestressed concrete plate with the reinforced tress flange plate. According to the prefabricated prestressed plate and the production method thereof disclosed by the invention, high-efficiency streamline production of a factory is realized; the integrity of the cast overlapped floor slab is favorable; a construction process of the floor slab is simplified; and a template and the labor intensity can be saved.

Description

technical field [0001] The invention relates to a prefabricated prestressed slab with reinforced truss flange of a floor reinforced concrete composite slab and a manufacturing method thereof, which belong to the field of building engineering assembly structure construction methods. Background technique [0002] Reinforced concrete floor slabs are the main components of housing construction. The use of prefabricated assembly methods to the greatest extent represents the development direction of national construction industrialization. It is also conducive to saving the input of materials such as formwork and brackets and saving labor, effectively reducing construction waste and protecting the environment. . The known types of reinforced concrete floor slabs constructed by assembly methods include: prefabricated prestressed concrete hollow slabs laminated with cast-in-place surface floors, profiled steel plate welded steel truss steel slab cast-in-place concrete floors, pref...

AI Technical Summary

Problems solved by technology

[0005]Technical problem: In order to solve the problems of coordination and optimization of the overall mechanical performance, economy and construction convenience of the current concrete prefabricated and assembled laminated slabs, the present invention provides a A prefabricated prestressed slab with reinforced truss flanges suitable for prefabricated assembly of laminated floor slabs and its manufacturing method. The main technical problems faced are: (1) The prefabricated prestressed concrete floor can use the triangular welded steel truss produced by industrialized assembly lines As a stiffener, it is necessary to solve the problem of limited rigidity increase after the known triangular steel truss ribs are embedded in the concrete floor; (2) After the strip-shaped concrete flange plates are set on the steel truss flanges, although the stiffness of the prefabricated concrete slabs is increased, However, it is necessary to solve the production problem of how to combine the inverted strip slab with triangular steel truss flange and the prestressed concrete bottom slab; It should solve the problem that the tie bars are left in the transverse joints between the prefabricated prestressed plates and the transverse non-prestressed distributed steel bars are easy to penetrate

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