三线大跨隧道防排水施工技术

Construction technology of damp-proof and drainage for three-wire large span tunnel

结合工程实例，介绍了隧道复合式衬砌防排水设计及隧道防水材料的选择，详细阐述了三线大跨公路隧道防排水施工工艺及施工质量检验方法，可为以后隧道施工提供参考。

Combined with specific engineering, it introduces design of damp-proof and drainage and selection of damp proof materials for tunnel, illustrates construction technology of damp-proof and drainage for three wire large span highway tunnel and quality checking method, which can be referred for tunnel engineering.