Taking Qingdao Jiaozhou Bay Seabed Tunnel as engineering examples, the paper analyzes the conditions and characteristics of subsea tunnel construction, and introduces in detail the process and technical measures of the service tun- nel and main tunnel construction.%结合青岛胶州湾海底隧道工程实例,分析了海底隧道的施工条件及特点,详细介绍了服务隧道及主隧道的主要施工步骤及采取的相关技术措施。
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