Assembled prefabricated floor slab and construction method thereof

Abstract

The invention belongs to the technical field of concrete prefabricated floor slabs, and discloses an assembled prefabricated floor slab and a construction method thereof. The assembled prefabricated floor slab comprises a superposed beam and a prefabricated floor slab body spliced by unit board blocks arranged horizontally; connecting grooves are formed in the edges of at least two sides of each unit board block, are located on the upper surface of each unit board block, and are arranged at intervals in the side length directions, a groove segment is formed between two adjacent connecting grooves, the lower surfaces of the groove segments are flush with the lower surfaces of the unit board blocks, and the upper surfaces of the groove segments are not higher than the upper surfaces of the unit board blocks; connecting plates are arranged on the edges of other sides of the unit board blocks; the sides in which the connecting grooves of two adjacent unit board blocks are located are located on the top of the superposed beam and are fixedly connected to the superposed beam through first cast-in-place structures, and transverse reinforcements and ingroove connecting reinforcements are arranged in the first cast-in-place structures; the sides in which the connecting plates of two adjacent unit board blocks are located are oppositely arranged and connected through second cast-in-placestructures. The assembled prefabricated floor slab has good waterproof performance and sound insulation performance, the prefabrication rate is high, and the construction is efficient and convenient.

Description

technical field [0001] The invention relates to the technical field of concrete prefabricated floor slabs, in particular to an assembled prefabricated floor slab and a construction method thereof. Background technique [0002] In the field of prefabricated buildings, precast concrete floors are the most widely used. At present, precast concrete slabs are mainly divided into two categories: fully precast slabs and laminated slabs. [0003] Fully prefabricated floor slabs were used earlier, but they are prone to cracking at the joints, and have disadvantages such as water leakage and poor sound insulation performance, so their applications have become less and less. At present, various types of laminated slabs are widely used. The waterproof and sound insulation performance of laminated slabs is good, but there are problems such as large amount of pouring on site and long construction period, and it is necessary to set truss bars or concrete ribs, etc. The high cost does not...

AI Technical Summary

Problems solved by technology

[0005] The technical problems to be solved are: the connection nodes of the fully prefabricated slabs are prone to cracking, water leakage, and poor sound insulation performance; the composite slabs have a large amount of on-site pouring, long construction period, high construction cost and low efficiency

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