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三柱门架墩结构抗震分析研究

Research on Structure Seismic Analysis of Three-column Portal Framed Pier
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摘要 以中山西外环高架桥某三柱门架墩为例,在静力计算满足要求的前提下,采用反应谱分析和时程分析两种计算方法对结构进行抗震验算,分别考虑E1和E2两种作用,弹性验算没通过的情况下需要进行塑性验算,以确保结构安全合理可靠。 Taking a three-column portal framed pier of overpass on the upper west side of Zhongshan as an example,in the premise of meeting the requirement of static calculation,the anti-seismic check calculation on the structure is made by adopting two kinds of calculation methods like response spectrum analysis and time-history analysis to respectively consider two effects like E1 and E2.Under the condition of not passing the check calculation of elasticity,the check calculation of plasticity is required to be performed,so as to guarantee the structural safety,reasonability and reliability.
作者 高涛 GAO Tao(Beijing Jianda Road and Bridge Consulting Co.,Ltd.,Beijing 100015,China)
出处 《北方交通》 2019年第2期16-19,共4页 Northern Communications
关键词 三柱门架墩 抗震计算 反应谱分析 时程分析 Three-column portal framed pier Antiseismic calculation Response spectrum analysis Time- history analysis
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