Taking the tunnel at section of crossing Lingshui River of Xuehai Interval of Dalian Metro as the engineering background,the paper analyzes the main risk factors in the tunnel construction of the interval,provides the respective supporting reinforcement and the treatment measures,so as to provide the reference to the similar projects.%以大连地铁学海区间过凌水河段隧道为工程背景,分析了该段隧道施工中存在的主要风险因素,给出了相应的支护加强和施工处理措施,以期为类似工程提供借鉴。
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