结果表明：不管采用哪一种施工顺序，中墙均受偏压荷载的作用并向埋深较浅侧倾斜。
The result shows that on matter which construction order is adopted, the midwall will always slant to the side of shallower depth of cover.
沉井是软土地基中深基础施工方法之一，在工程用地与环境条件受到限制或埋深较大的地下构筑物工程中被广泛应用。
Sink well is one of built method in deep foundation of soft groundwork, it is used widely in limited ground and limited environment or in deep burying construction.
第一辅助洞没有斜井或竖井，施工辅助洞采用全射流纵向通风。第二辅助洞埋深大，洞体长，洞形断面小。
First, there is no slope hole or silo, the auxiliary hole of construction adopts longitudinal ventilation only by jet Second, it belongs to deep buried hole, long body, little shape section.
埋深大、线路长的隧洞采用TBM施工，已成为国际上快速开挖隧洞的主流。
TBM is commonly used for deep buried and long tunnels and becomes prevailing technique for tunnel excavation in international practices. The total length of No.
根据实际施工经验，分析燃气埋地管道的合理埋设深度，总结适当增加埋深的优势。
According to the practical construction experiment, the optimal buried depth of gas bu-ried pipeline is analyzed, and the advantage of appropriate increase in buried depth is summed up.
根据实际施工经验，分析燃气埋地管道的合理埋设深度，总结适当增加埋深的优势。
According to the practical construction experiment, the optimal buried depth of gas bu-ried pipeline is analyzed, and the advantage of appropriate increase in buried depth is summed up.
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