Combined reinforced concrete cassette ceiling

Abstract

A combined reinforced concrete hollow floor slab comprises precast thin slabs (1), mold shells (2), hidden ribs (3) and upper plates (4). The precast thin slab (1) is fixed with the mold shell (2). The hidden rib (3) is installed between adjacent precast thin slabs (1) or mold shells (2). The upper plate (4) is covered on the mold shell (2) and is integrally connected with the hidden rib (3). The combined reinforced concrete hollow floor slab is characterized in that connecting pieces (5) are installed between the mold shells (2) and the precast thin slabs (1) and are fixedly connected with each other, the connecting piece (5) is at least one of thin strip, a male and female groove, socket chisel, gemel and bolt, and the corner part at the upper part of the mold shell (2) is provided with inside corners (7), arch angles (13) or chamfer angles (12). Therefore, the combined reinforced concrete hollow floor slab is applicable to various hollow floor systems, roof systems, walls, foundation slabs and vierendeel bridges of cast-in-place reinforced concrete or prestressed reinforced concrete.

Description

This application is a divisional application of an invention patent application with an application date of January 6, 2004, an application number of 200410002337.2, and a title of “A Composite Reinforced Concrete Hollow Floor Slab”. (1) Technical field The invention relates to a composite reinforced concrete hollow floor slab. (2) Background technology At present, most of the buildings with brick-concrete structure and frame structure use prefabricated hollow-core slabs as floor slabs. This kind of floor slab has the advantages of fast construction speed and low cost, but because there is no firm connection between two adjacent prefabricated hollow-core slabs , Only cement mortar is used to fill the gaps, so not only the integrity is poor, which is not conducive to earthquake resistance, but also cracks and water seepage often occur, causing great inconvenience and psychological pressure to the residents. In order to solve the above problems, many buildings have adopted t...

AI Technical Summary

Problems solved by technology

However, during the construction and layout of this kind of floor slab, the positioning is inconvenient, and it is easy to cause displacement or misalignment. Thus affecting the overall quality and mechanical performance of the cast-in-place concrete slab and increasing the difficulty of construction

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