Precast hollow floor's component for stress island based hollow floor system

Abstract

The invention provides a precast hollow floor's component for a stress island based hollow floor system. The precast hollow floor's component comprises a precast hollow floor's component body consisting of reinforced concrete ribbed beams, steel mesh concrete lower flange slabs and ribbed steel mesh hollows. The precast hollow floor's component body comprises at least two longitudinal reinforced concrete ribbed beams, a plurality of transverse reinforced concrete ribbed beams and two corners not subjected to concrete casting, two ends of the longitudinal reinforced concrete ribbed beams are exposed, a plurality of steel bar rings are arranged on the upper surface of every reinforced concrete ribbed beam, ribbed steel meshes are composited in the steel mesh concrete lower flange slabs, are formed by punching and pressing sheet steel and are made into the ribbed steel mesh hollows consisting of hollowed-out meshes, hollowed-end meshes and supports, and reinforced concrete is cast on the upper surface of the precast hollow floor's component body.

Description

technical field [0001] The invention relates to a prefabricated building system technology, in particular to a manufacturing technology of a prefabricated cavity component for a force-bearing island cavity floor. Background technique [0002] In the process of housing construction in the country, hollow prefabricated slab structures, large slab structures, cast-in-place concrete structures, cast-in-place concrete hollow floor slab structures, cast-in-place frame shear wall structures, etc. are used for floor slabs. With the process of residential industrialization, steel - Mixed composite structure and steel-concrete combined cavity floor structure system has been developed rapidly, and a new upsurge in prefabricated buildings is coming. [0003] For example, the ZL98231113.3 concrete thin-walled cylindrical member declared by the applicant is made into a sealed cylindrical filling body, which provides a tubular hollow filling body for the realization of the cast-in-place ho...

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Problems solved by technology

[0007] The purpose of the present invention is to promote the process of prefabricated buildings, using a prefabricated cavity component for the cavity floor of the force-bearing island, to improve the existing frame shear wall structure system and frame core tube structure system; to make full use of the advantages of factory industrialization, The production of prefabricated cavity components solves the problems of construction, environmental protection, weight, cost, and work efficiency in the existing system; the overall force of the building structure is solved by pouring reinforced concrete on site, and the industrialized production of cavity prefabricated components is integrated with the site Pouring reinforced concrete is organically combined to optimize the existing frame shear wall structure system technology, transform and upgrade the existing prefabricated frame shear wall structure system, and replace it; solve the poor controllability of overall site pouring in the existing structure system , The technical implementation is strong, the on-site construction causes environmental pollution, heavy quality, high construction cost, slow progress of the project, and a large number of building formwork and steel supports are exempted, which leads to a long time for formwork and affects the construction speed; the shear force area of ​​beam-column joints is small, It is easy to cause safety hazards; especially, the cavity floor of the stress island is formed by using the reserved angle in the rib beam reinforcement of the prefabricated cavity component without pouring concrete

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