Coupling analysis method of finite element and infinite element is proposed to be used in the structural anti-seismic analysis of metro tunnel on the basis of soil-structure interaction theory.
在土体与结构动力相互作用理论的基础上，提出用有限元和无限元耦合分析法对地铁隧道结构进行抗震分析。
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The ground settlement of a shallow metro tunnel by excavation has important effect on the construction safety.
地铁隧道附近的施工活动，会影响到隧道的正常使用和结构安全。
Cutting tool wearing has become a difficult problem which restricts the tunnel advance in Chengdu Metro tunnel construction.
成都地铁隧道盾构法掘进中，刀具严重磨损成了制约工程顺利进行的一大难题。
Natural ventilation that made use of piston wind induced by metro operation at the top opening of metro tunnel is a possible means of ventilation technology.
在地铁区间隧道顶部开孔，利用地铁列车运行产生的“活塞风”进行自然通风换气是一种可能的通风技术手段。
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