Tooth-groove-type connection structure of upper-layer inner wallboard of assembly-type shear wall and lower-layer inner wallboard of assembly-type shear wall

Abstract

The invention discloses a tooth-groove-type connection structure of an upper-layer inner wallboard of an assembly-type shear wall and a lower-layer inner wallboard of the assembly-type shear wall. Each inner wallboard comprises two contact locating structures of the upper-layer inner wallboard which are respectively arranged at two ends of each wallboard and a post-pouring concrete structure. The post-pouring concrete structure is located between the two contact locating structures. Upper grooves are formed in the bottom surface of the upper-layer inner wallboard, upper tooth-shaped grooves are formed in the bottoms of the upper grooves, and vertically-distributed rebars of the upper-layer inner wallboard stretch out from the upper grooves. Lower grooves are formed in the top surface of the lower-layer inner wallboard, lower tooth-shaped grooves are formed in the bottoms of the lower grooves, and vertically-distributed rebars of the lower-layer inner wallboard stretch out from the lower grooves. When the upper-layer inner wallboard is connected with the lower-layer inner wallboard, notches of the upper grooves are connected with notches of the lower grooves in a butt joint mode, forming grooves of the post-pouring concrete structure are formed, and the vertically-distributed rebars of the lower-layer inner wallboard and the vertically-distributed rebars of the upper-layer inner wallboard are correspondingly connected in a lap joint mode. The tooth-groove-type connection structure of the upper-layer inner wallboard of the assembly-type shear wall and the lower-layer inner wallboard of the assembly-type shear wall is easy and convenient to construct and reliable in structure.

Description

technical field [0001] The invention relates to the field of building structures, in particular to a tooth-groove connection structure of the lower and lower inner wall boards of an assembled shear wall. Background technique [0002] At present, the traditional cast-in-place shear wall structure has problems such as heavy on-site workload, waste of building materials, waste of building water, and serious environmental pollution. The vertical connection structure of the inner wall panels of the prefabricated shear wall structure mostly adopts sleeve grouting connection, steel bar welding connection and indirect lap joint grouting anchor connection. Sleeve grouting connection has problems such as high cost of sleeve, high construction precision requirements, and unsuitability for steel bars with thinner cross-sections; steel bar welding connection has problems such as heavy on-site welding workload and difficult to guarantee welding quality; indirect lap joint grouting Anchor...

AI Technical Summary

Problems solved by technology

Sleeve grouting connection has problems such as high cost of sleeve, high construction precision requirements, and unsuitability for steel bars with thinner cross-sections; steel bar welding connection has problems such as heavy on-site welding workload and difficult to guarantee welding quality; indirect lap joint grouting Anchor connections have problems such as difficult on-site construction and difficulty in guaranteeing the quality of reserved holes. Therefore, the prefabrication rate of interior walls in prefabricated structures is low, and after hoisting, cast-in-place structures need temporary support before reaching strength.

[0003] Sleeve grouting connection and indirect lap joint grout-anchor connection are dry connections. If not handled properly, stress concentration will easily occur at the horizontal joints, forming a weak section and affecting the overall performance of the structure.

Moreover, most of the existing connection methods are not differentiated according to the height of the floor, the seismic intensity, etc., which is likely to cause the stress potential of the connection materials to not be fully utilized and the waste of materials to be serious.

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