Parameter Performance Analysis of Connection Nodes of T-Plate Connected Assembled Composite Shear Wall

Abstract

With the development of construction industrialization, green and low-carbon construction methods have been strongly supported by domestic and foreign construction industries. As an efficient lateral force resistance system, the assembled steel plate-concrete composite shear wall structure has gradually become a hotspot in civil engineering. Referring to the node connection method of steel structure, this paper uses the concrete composite shear wall filled with steel plate and extended T-shaped gusset plate to realize the connection between the upper and lower walls, so as to form a T-plate connected assembled composite shear wall structure. Through establishing the refined finite element analysis model of cast-in-place and assembled composite shear wall with the same sizes and comparing the results of them, the feasibility and reliability of the connection method are verified. On this basis, according to the comparison between the bearing and continuity performance of the assembled composite shear wall under different parameters such as the T-plate length, T-plate flange width, T-plate number, joint height and joint longitudinal reinforcement ratio in the node connection area, it is found that the T-plate length, T-plate number and joint height have a great effect on the mechanical properties of assembled composite shear wall, and other parameters are not obvious. In this way, a reasonable recommendation is made for the connection parameters of T-node, which lays a theoretical foundation for promoting the theoretical development and engineering application of this new assembled composite shear wall.