Dry and wet combined connection structure with prefabricated concrete floor slabs and construction method

Abstract

The invention provides a dry and wet combined connecting structure with prefabricated concrete floor slabs and a construction method. The dry and wet combined connecting structure comprises the prefabricated concrete floor slabs, a connecting assembly and post-pouring concrete, a plurality of groups of first slotted holes and second slotted holes are arranged in the connecting side of the prefabricated concrete floor slab in a reserved mode the connecting assembly comprises steel plates and a connecting piece, the steel plates are fixed to the junctions of the first slotted holes and the second slotted holes, the connecting piece is used for connecting and fixing the two corresponding steel plates; and the post-pouring concrete is poured in the first slotted holes and the second slotted holes. According to the dry and wet combined connecting structure, the two adjacent prefabricated concrete floor slabs are firmly connected together, the integrity of the spliced prefabricated concrete floor slabs is guaranteed, the in-plane shear resistance, tensile strength, flexural rigidity and bearing capacity of the floor slabs are remarkably improved, deformation coordination when uneven loads are borne is achieved, and the using effect equal to that of cast-in-place floor slabs is achieved; and the manufacturing process is simple, industrialized production is achieved, on-site assembly construction is achieved, the construction speed is high, greenness and environment friendliness are achieved, the manufacturing cost is saved, force transmission is reliable, and integrity is good.

Description

technical field [0001] The present invention generally relates to the field of building structure engineering, mainly to the field of prefabricated concrete floor slabs, and in particular to a dry-wet joint connection structure and construction method of prefabricated concrete floor slabs. Background technique [0002] The floor is one of the important horizontal components in the building structure. Its main functions include the following two aspects: on the one hand, under normal use conditions, it bears the self-weight, decoration and service loads of the floor, and transmits them to vertical components such as beams and columns; On the one hand, it bears horizontal loads such as wind loads and earthquake loads, and effectively transmits horizontal loads to the lateral force system of the building structure through its own in-plane stiffness and bearing capacity. [0003] Existing floor slabs mainly include traditional cast-in-place slabs, reinforced truss floor slabs an...

AI Technical Summary

Problems solved by technology

The joints between the slabs affect the integrity of the slab, which greatly reduces the shear, tensile and bending stiffness and bearing capacity of the slab; especially when uneven vertical loads are carried on both sides of the slab joint, the precast concrete floors on both sides may be damaged. There is a problem of uncoordinated deformation, which leads to cracking of the decoration at the joints and affects the appearance of use

Images