Finite Element Analysis for Lateral Resistance Performance of New Precast Concrete Shear Wall

Abstract:

According to arrangements of local cast-in-situ regions, new precast concrete shear wall (NPC wall) has various types including integrally precast component, component with precast concealed columns and local region of wall by casting in situ, component with precast one end concealed column and the other end by casting in situ and component with all cast-in-situ concealed columns. By finite element analysis for four types of NPC wall and comparing with monolithic cast-in-situ finite element model, the lateral resistance performance of each type of NPC wall were discussed. Compared with cast-in-situ finite element model, NPC wall has rather different lateral resistant mechanism, the load-displacement curves are obviously different, and the horizontal and vertical connections decrease the strength and stiffness. The reasonable arrangement of local cast-in-situ regions can effectively improve the lateral resistance performance of NPC wall. The model composed of all cast-in-situ concealed columns, which has similar lateral resistant performance to cast-in-situ model and shows reasonable load mechanism, should be recommended. Meanwhile, the model consisting of precast concealed column and local cast-in-situ region of wall should be avoided for its poor performance.

• Periodical: Advanced Materials Research (Volumes 243-249)
• Pages: 124-129
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.243-249.124
• Online since: May 2011
• Authors: Zhang Feng Zhu, Zheng Xing Guo
• Keywords: Finite Element Analysis (FEA), Lateral Resistance Performance, Precast Concrete, Shear Wall

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