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中文摘要：
在分析国内外沉管隧道抗震性能研究的基础上,以港珠澳大桥沉管隧道为背景,阐述了超长沉管隧道抗震设计与分析中迫切需要解决的4个关键性问题,即沉管隧道土体与结构相互作用的动力计算方法、非一致地震激励下超长沉管隧道地震响应分析方法、沉管隧道减震控制技术以及沉管隧道振动台试验模拟技术,并指出了沉管隧道工程抗震研究的几个方向.
英文摘要：
Based on the literature reviews of the present seismic research on immersed tunnels,four key issues on the seismic design and analysis of ultra-long immersed tunnel with the background of Hongkong-Zhuhai-Macao engineering were addressed： calculation method for dynamic interaction between tunnel segment and surrounding soils,analytical method for seismic response of immersed tunnel subjected to non-uniform seismic loading,seismic mitigation method of immersed tunnel,and shake table test technology of immersed tunnel.These issues will be the focus of further research on seismic design and analysis of immersed tunnel in China.
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