Experimental study on seismic design method of a CFST arch structure
under single point horizontal excitation
XU Yong1,2, ZHOU Cui-ying1, LIU Ai-rong2,3, ZHANG Ji-chao2
1. School of Engineering, Sun Yat-sen University, 510275, Guangzhou, China; 2.Civil Engineering School, Guangzhou University, 510006, Guangzhou, China; 3.Guangzhou University-Danjiang University (Taiwan) Join Research Center for Engineering Structure Disaster Prevention
and Control, 510006, Guangzhou, China
Abstract：
Using low cyclic loading test and normalization method of seismic performance index value, the seismic behavior under single point horizontal excitation of strong column weak arch type plane-single-span concrete filled steel tube (CFST) arch structure have been studied by comparing with a steel reinforced concrete (SRC) column specimen, and the design method of CFST arch structure has been discussed. Research has shown that the performance indexes in the plastic region such as cracking load, hysteresis loop area, strength, stiffness and equivalent viscous damping coefficient can ignore the effects of loading direction. The positive loading value of yield strength, stiffness, ductility coefficient and tensile ratio is larger than that of the nagative loading value, so nagative loading design were more reliable, but energy consumption index which include area of hysteresis loop and the equivalent viscous damping coefficient were smaller.
XU Yong1,2,ZHOU Cui-ying1 et al. Experimental study on seismic design method of a CFST arch structure
under single point horizontal excitation[J]. Architecture Technology, 2017, 48(4): 385-388.
