LONGITUDINAL RESPONSE OF POWER TRANSMISSION TOWER-CABLE SYSTEM TO TRAVELING WAVE

摘要：

Based on the established model of power transmission tower-cable system, seismic response is analyzed with time history method. Seismic response to traveling wave is compared with uniform wave, the results indicate that: traveling wave excitation can increase, as well as decrease, the seismic response of power transmission tower-cable system which depends on both traveling wave velocity and ground motion characteristics; traveling wave excitations increase the cables axis force to a large extent, which will decrease gradually and approach to the case of uniform excitations as velocity increasing; traveling wave strongly magnified cables displacement response in longitudinal and vertical direction, especially the latter term under excitations of near-fault ground motions; traveling wave velocity has great affection on the seismic response of power transmission tower-cable system.

关键词： power transmission tower-cable system seismic response traveling wave excitation uniform excitation near-fault ground motions traveling wave velocity

作者: Q.C. Liu M.G. Yue D.S. Wang

作者单位: China Communications Construction Company WuHan Harbour Engineering Design & Research Co.,Ltd,Wuhan State Key Laboratory of Costal and Offshore Engineering, Dalian University of Technology, Dalian Chi Institute of Road and Bridge Engineering, Dalian Maritime University, Dalian China

会议类型: 国际会议

会议名称: 14th World Conference on Earthquake Engineering(第十四届国际地震工程会议)

会议地点: 北京

会议语种:英文

在线出版日期: 2008-10-12（万方平台首次上网日期，不代表论文的发表时间）