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润扬长江大桥框架式墩塔地震模拟形态分析

Analysis on Runyang Yangtze River Bridge Frame Pier Tower Seismic Simulation Form
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摘要 使用有限元分析软件ADINA,对润扬长江大桥多层框架式墩塔进行了非线性地震反应分析,地震作用下大跨度悬索桥横向性能和桥塔位移形态表明,悬索桥框架式桥塔的振动形态遵循一定的规律,桥塔的横向最大位移发生在塔顶,桥塔的最大弯矩发生在塔底,桥塔梁柱连接处产生弯矩极大值,桥塔的塔底和桥塔梁柱连接处将是桥塔的塑性铰潜在发展区。 Using FEA software ADINA to make non-linear seismic response analysis to the multilayer frame pier tower of Runyang Yangtze River bridge.According to the longsapn suspension bridge cross feature and bridge tower displacement,this paper shows that the vibration form of suspension bridge frame bridge tower abides by certain law,the cross max displacement occurring on the top of bridge tower,the max bending moment occurring at the bottom of bridge tower,the max value occurring at the bridge tower beam column joints,plastic hinge will probably occur at the joint of bridge tower bottom and bridge tower beam column.
出处 《黄河水利职业技术学院学报》 2012年第1期33-36,共4页 Journal of Yellow River Conservancy Technical Institute
关键词 润扬长江大桥 框架式墩塔 地震模拟形态 位移形态 受力分析 Runyang Yangtze River bridge frame pier tower seismic simulation form displacement form force analysis
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