A prefabricated, non-removable floor slab

By setting column cavities and steel bar insertion structures at the ends of the floor slabs, combined with the cooperation of C-shaped inward grooves and ribs, the problem of insufficient rigidity in prefabricated floor slab connections is solved, achieving high-rigidity and stable floor slab connections, and improving the overall stability and construction efficiency of the building.

CN224281747UActive Publication Date: 2026-05-26YANCHENG ZHONGPAI CONSTRUCTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG ZHONGPAI CONSTRUCTION TECHNOLOGY CO LTD
Filing Date
2025-07-01
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

When connecting existing prefabricated floor slabs, the rigid support at the beginning and end of adjacent slabs is insufficient, which leads to deformation or slight displacement, affecting the stability of the overall structure, especially under horizontal loads or vibration.

Method used

Column cavities and integrally cast steel bars are respectively set on the outer walls of the left and right ends of the floor slab body. Adjacent floor slabs form a large-span rigid support by inserting the steel bars and column cavities, and the connection strength is enhanced by sliding insertion through C-shaped inward grooves and ribs.

Benefits of technology

It improves the overall stiffness and deformation resistance of the floor slab, reduces local deformation and cracks under load, enhances the overall stability of the building, simplifies the construction process, and reduces the risk of construction errors and cracks.

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Abstract

This utility model discloses a prefabricated, non-removable floor slab, comprising a floor slab body, several steel bars integrally cast and fixed on the right outer wall of the floor slab body, and a column cavity provided on the left outer wall of the floor slab body. The column cavity and steel bars are used to allow the end-to-end connection of two adjacent floor slab bodies. This utility model, through the interlocking structure of column cavities, steel bars, ribs, and C-shaped inward grooves, and the column cavities and integrally cast steel bars on the left and right outer walls of the floor slab body, allows the end-to-end connection of two adjacent floor slab bodies to form a large-span rigid support and connection within the adjacent floor slab bodies.
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