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论文类型：期刊论文

发表时间：2012-12-01

发表刊物：JOURNAL OF EARTHQUAKE AND TSUNAMI

收录刊物：SCIE、Scopus

卷号：6

期号：4

ISSN号：1793-4311

关键字：Power transmission tower-line system; geometric nonlinearity; multi-component multi-support ground motions; apparent wave velocity

摘要：The effect of multi-component multi-support excitations on the response of power transmission tower-line system is analyzed in this paper, using three-dimensional finite element time-stepping analysis of a transmission tower-line system based on an actual project. Multi-component multi-support earthquake input waves are generated based on the Code for Design of Seismic of Electrical Installations. Geometric non-linearity was considered in the analysis. An extensive parametric study was conducted to investigate the behavior of the transmission tower-line system under multi-component multi-support seismic excitations. The parameters include single-component multi-support ground motions, multi-component multi-support ground motions, the correlations among the three-component of multi-component multi-support ground motions, the spatial correlation of multi-component multi-support ground motions, the incident angle of multi-component multi-support seismic waves, the ratio of the peak values of the three-component of multi-component multi-support ground motions, and site condition with apparent wave velocity of multi-component multi-support ground motions.