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考虑动力相互作用的地下平面钢框架地震反应分析 被引量:1

SEISMIC RESPONSE ANALYSIS OF UNDERGROUND STEEL FRAME STRUCTURE CONSIDERING ROCK-STRUCTURE INTERACTION
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摘要 建立了一种考虑结构与围岩动力相互作用的地下离壁式框架结构地震反应有限元分析模型,该方法采 用杆系模型模拟框架构件,围岩采用平面应变单元,在人工边界截取问题上采用了多次透射公式。在此基础上,对某拟 建大型地下多跨多层钢结构建筑的地震反应进行了分析,结果表明离壁式建筑设置水平支撑对改善结构构件的内力特 征具有明显的作用。 A finite element model for seismic response analysis of underground steel frame structure considering rock-structure dynamic interaction is proposed. In the model, the components of frame structure are discretized with beam elements and the surround rock mass is modeled by plane strain element. To deal with artificial boundary, in the method mulit-transmitting formula is used. Then a seismic response analysis of underground large steel frame structure is performed. The present results show that the link braces between rock mass and structure play a great role in decreasing the inner forces in components of structure.
出处 《振动与冲击》 EI CSCD 北大核心 2005年第1期99-102,共4页 Journal of Vibration and Shock
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参考文献4

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二级参考文献1

  • 1朱镜清.地震作用下海水与海床土的耦合运动[J]地震工程与工程振动,1988(02).

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