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地下结构地震模拟振动台试验研究 被引量:23

Shaking Table Tests for the Seismic Simulation of Underground Structure
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摘要 文章通过振动台试验,总结了地下结构地震反应规律,分析地下结构的变形机制,并重点分析上覆土层和竖向荷载对地下结构动力性态的影响。试验表明浅埋情况的各种反应均大于深埋情况,这说明了约束结构的上覆土层的重要性。垂直激励的参与改变了结构的响应,增大了结构内部的应力,尤其是结构顶部的剪力。并结合结果对设计类似的大跨度地下结构提供有益的结论和建议。 Through shaking table test, in this paper the rule of the underground structure reaction to earthquake is summarized and the distortion of the structure and the mechanism of wreck are analyzed, especially the effect of overburden and the vertical earthquake to underground structure are studied. The test indicates that the response of shallow buried is larger than that of deep buried,which explain the importance of overburden to structures. The vertical earthquake changes the response of underground structures,especially increases the shear on the top of structures. The conclusion is useful to the design of the large span underground structures similar to subway station.
出处 《地下空间与工程学报》 CSCD 2005年第2期182-187,213,共7页 Chinese Journal of Underground Space and Engineering
基金 江苏省自然科学基金资助项目 (BK2 0 0 10 18)
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参考文献6

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