山区高墩梁桥抗震分析
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摘要
以一座7-40mT梁高架桥为研究对象,建立了三维空间模型,采用非线性时程分析方法,分析了不同墩梁连接方式的山区高墩T梁桥的抗震性能,计算结果表明:采用铅芯隔震橡胶支座可以提高桥梁的抗震性能。
A seven spans of 40m T-beam high pier bridge is studied in this paper.By utilizing the finite element software,a three-dimensional mechanics model is established.Based on the model,seismic behavior of T-beam high pier bridge,in which various support links between pier and beam are considered,is investigated by using the nonlinear time history method.The results indicate that structural earthquake-resistance performance can be improved by using seismic isolation bearing.
引文
[1]JTG/T B02-01-2008,公路桥梁抗震设计细则[S].
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    [3]谢旭.桥梁结构地震响应分析与抗震设计[M].北京:人民交通出版社,2004.
    [4]范立础.桥梁抗震[M].上海:同济大学出版社,1997.
    [5]范立础,王志强.桥梁隔振设计[M].北京:人民交通出版社,2001.

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