Connection structure of L-shaped superimposed shear wall edge member

Abstract

The invention relates to a connection structure of an L-shaped superimposed shear wall edge member. The connection structure comprises a superimposed flange wall board, a superimposed web board and anL-shaped corner edge member post-pouring area; horizontal steel bars in an inner blade superimposed layer and an outer blade superimposed layer in the superimposed flange wall board and the superimposed web board extend into the edge member post-pouring area by a certain length, then are bent and rotatably extend into cavity layers of the superimposed wall boards to form semi-open annular horizontal steel bars; horizontal hoops in the edge member post-pouring area are overlapped on the semi-open annular horizontal steel bars and bound to form a plurality of closed hoops; and vertical stress steel bars are inserted into the closed hoops, and concrete is poured into the cavity layers of the superimposed wall boards and the edge member post-pouring area to anchor the semi-open annular horizontal steel bars. According to the connection structure, by inserting the vertical stress steel bars into the closed hoops, the superimposed flange wall board, the superimposed web board and the L-shaped corner edge member post-pouring area are reliably connected, and the coordination deformation capability of the L-shaped corner edge member post-pouring area and the superimposed wall boards on thetwo sides is improved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a connection structure of L-shaped superimposed shear wall edge components. Background technique [0002] L-shaped laminated shear walls with edge components are widely used in prefabricated high-rise building structures, especially when they are used as corner walls around the building, they are subjected to the largest force under the action of earthquake load and wind load, and are the most severely damaged parts. . [0003] Fully cast-in-place edge members of L-shaped laminated shear walls are the main type of edge members at present. In this type of edge members, is the connection structure between the post-cast concrete and the in-line laminated shear walls in two directions safe? Reliability is the key to ensure the overall stress of the edge members of the L-shaped laminated shear wall. At present, there are mainly two forms of traditional connection construction m...

AI Technical Summary

Problems solved by technology

At present, there are mainly two forms of traditional connection construction methods, that is, the cavity layer of the superimposed shear wall is additionally provided with a lap connection structure of reinforcement bars and the construction of a straight anchor connection structure with horizontal reinforcement in the superimposed shear wall. These two connection structures have respectively Certain deficiencies, such as the effective area reduction of the cross-section at the seams, the formation of weak layers, the insufficient utilization of horizontal steel bars in the edge components and prefabricated laminated layers, the exposed horizontal steel bars of straight anchors are too long to be convenient for transportation and assembly, etc.; at the same time, lap joints The U-shaped horizontal lapped reinforcement in the connection structure is built in the cavity layer, which cannot effectively resist the torsional deformation of the edge members of the L-shaped laminated shear wall, and the performance of the lapped joint under torsion is still unclear

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