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风荷载作用下大跨度连续刚构桥的振动响应 被引量:1

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摘要 风荷载影响大跨度连续刚构桥梁周围的空气流动。为避免桥梁发生颤振,需计算桥梁的风荷载。通过涡旋诱发振荡确定起始风速,考虑截面特性计算得缓冲风荷载,最终建立了以耿贝尔极值分布推导桥梁风荷载的方法。还利用Matlab编制了程序,模拟了桥梁风速时程,计算了桥梁在风荷载下的效应,分析了风荷载对桥梁振动及稳定性的影响。
作者 贺天玮
出处 《黑龙江交通科技》 2019年第1期134-135,共2页 Communications Science and Technology Heilongjiang
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