结合实例介绍了隧道防排水系统的施工技术，重点介绍无钉铺设防水卷材施工方法。
Combined with the practice, the paper introduced the construction technology of tunnel waterproof and drainage system.
分析了土家湾隧道坍方的原因，阐述了该隧道塌方综合处治技术和相关的防排水措施，采用水泥水玻璃双液注浆加固施工工艺。
The reason of Tujiawan tunnel collapse was analyzed. This paper discussed the technical parameter of cement-silicate grouting reinforcement? Support of surrounding rock and its relative technology.
分析了土家湾隧道坍方的原因，阐述了该隧道塌方综合处治技术和相关的防排水措施，采用水泥水玻璃双液注浆加固施工工艺。
The reason of Tujiawan tunnel collapse was analyzed. This paper discussed the technical parameter of cement-silicate grouting reinforcement? Support of surrounding rock and its relative technology.
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