Research on the seismic performance of cold-formed steel stud wall

作     者：Shi, Yu Zhou, Xuhong Nie, Shaofeng Gou, Chaowei 

作者机构：Key Laboratory of Bridge Detection and Reinforcement Technology of Ministry of Communications Chang'an University Xi'an 710064 China Lanzhou University Lanzhou 730000 China 

出 版 物：《Tumu Gongcheng Xuebao/China Civil Engineering Journal》 (Tumu Gongcheng Xuebao)

年 卷 期：2010年第43卷第SUPPL. 1期

页      面：124-129页

核心收录：

主　　题：Bearing capacity 

摘      要：In order to investigate the seismic behavior of cold-formed steel stud wall, 10 full scale specimens are tested under low-cycle lateral loading. Based on the tests, the main failure modes and the main failure processes of these walls are studied. The seismic performance of these walls such as hysteresis curves, skeleton curves, bearing capacity, ductility and energy dissipation is discussed. Then, a deteriorated quadralinear restoring force model of cold-formed steel stud wall is put forward based on hysteresis curves obtained from regressive analysis experiment. The restoring force model considers some influencing facts such as stiffness degradation, slipping and pinching effect etc. The main results show that: sheathings influence wall s shear resistance greatly. When the specimen is under vertical and horizontal load, stiffness, bearing capacity and displacement ductility factor of wall increase, but its energy coefficient decreases a little. With the increase of stud dimension and the decrease of stud space, the wall s stiffness and bearing capacity increase, but the wall s ductility factor and energy coefficient decrease.