INVESTIGATION ON WIND-INDUCED VIBRATION RESPONSE OF ONE-WAY BEAM STRING STRUCTURE
The one-way beam string structure (BSS) is a reasonable hybrid one composed of arch, strut and string, which has been widely used in long-span steel structures in the past decade. Because of its relatively small integral stiffness, the analysis of wind-induced vibration response has become a key problem for the design of this kind of structure. In order to improve the precision, the method of time history analysis is generally used for analyzing its response induced by wind. Taking an one-way BSS for example, the autoregressive simulation method is adopted in this paper, and the effective horizontal and vertical artificial wind speed processes with remarkable time and space correlation are generated by programming MatLab. Then, transient analysis of the one-way BSS example is done by using software ANSYS, and the wind-induced vibration response and wind-induced vibration coefficient of displacements are also given. On the basis, by changing roof dead load and cable pretension respectively, the influences of these two parameters on wind-induced vibration response and wind-induced vibration coefficient are further investigated. The results show that the wind-induced vibration response of the structure is insensitive to the change of these two parameters. The conclusions obtained may be useful to the designers in similar projects.
one-way beam string structure long-span steel structure time-history analysis wind-induced vibration response wind-induced vibration coefficient
Zheng-Rong Jiang De-Min Wei Mu Xu
School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, P.R. China
国际会议
广州
英文
1583-1589
2009-11-28（万方平台首次上网日期，不代表论文的发表时间）