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Study on Seismic Design of Single Slanted Pylon Cable-stayed Bridge With Stochastic Vibration Analysis and Response Spectrum Analysis Methods
Author(s): 
Pages: 31
Year: Issue:  1
Journal: Guangdong Highway Communications

Keyword:  独斜塔斜拉桥塔梁墩固结体系动力特性功率谱反应谱;
Abstract: 以厦门马新特大桥主桥为工程背景,建立塔、梁、墩固结体系独塔混合梁斜拉桥的三维空间有限元模型,对其结构动力特性和地震响应进行了计算分析.采用反应谱法和随机振动的功率谱法分别计算了E1地震作用下,结构的位移响应和内力响应,考虑了顺桥向+竖向和横桥向+竖向两种工况.分析表明,两种分析方法的计算结果基本一致,功率谱的计算结果较反应谱的略大.
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