Hysteretic behavior of square CFT columns with binding bars
作者： Ying-Tao Wang , Jian Cai , Yue-Ling Long
DOI: 10.1016/J.JCSR.2017.01.001
关键词:
摘要: Abstract This paper presents the hysteretic behavior of square concrete-filled steel tubular (CFT) stub columns with binding bars. A total ten CFT including eight specimens bars and two without were tested under constant axial load cyclic lateral loads. The effects level spacing on investigated carefully. Experimental results demonstrate that show higher bearing capacity, stiffness, ultimate deformation capacity better energy-dissipation compared those In addition, initial local buckling for is significantly delayed by Furthermore, stiffness are improved decreasing. decreases an increase in levels while increases levels. Finally, fiber element analysis all carried out. calculated envelope curves good agreement experimental results.
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