由于城市市政隧道所处的特殊地理环境及功能要求配备各种市政管线和现代化电器设备,如何保持洞内干燥,确保电器设备安全运营,是城市隧道防水技术标准高于其他隧道的关键所在。厦门市仙岳山隧道在防排水实施中采取了一堵、二排、三设防的技术措施,在施工中不断优化设计方案,取得了良好防水效果。 Because of the special geographical environment and function requirements of urban municipal tunnels with various municipal pipelines and modern electrical equipment, how to keep the inside of the tunnel dry and ensure the safe operation of electrical equipment is the key to the technical standard of urban tunnel waterproofing higher than other tunnels. Xiamen Xianyue Mountain Tunnel in the implementation of drainage to take a block, two rows, three fortification of technical measures to optimize the design of the construction program, and achieved good waterproof effect.