2012•Applied Mechanics and MaterialsRequires access

Analysis of the Seismic Performance of RC Frame Structures with Different Types of Bracings

Zhi Xin Wang, Hai Tao Fan, Huang Juan Zhao

Abstract

Finite element models of frames with steel-bracings and with concrete filled steel tube struts are built in ETABS. Seismic performance of these models is analyzed with base-shear method, superposition of modal responses method and time history method respectively. The results show that the steel-bracings or concrete filled steel tube struts are efficient to increase the story-stiffness, and the top displacement of the frame structure decreases significantly.

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Key concepts: Structural engineering, Reinforced concrete, Frame (networking), Stiffness, Finite element method, Engineering, Displacement (psychology), Modal