下穿主河涌明挖隧道防水施工关键技术

Key Technology of Waterproofing Construction of Open-Cut Tunnel Through the Main River

结合汕头塔岗围片区翠峰路下穿隧道工程,对穿越厚淤泥层主河涌的特殊地质与环境下,采用明挖工法的隧道防水施工关键技术进行阐述,主要内容涉及主体结构、底板防水、侧墙以及顶板防水等施工要点。

Combined with the tunnel project underpass Cuifeng Road in Tagangwei area of Shantou,this paper expounds the key technology of waterproofing construction of tunnel by using open excavation method under the special geology and environment of main river surge crossing thick silt layer.The main content involves the construction points of main structure,bottom waterproof,side wall and roof waterproof and etc.