摘要
介绍了我国大陆第一座大断面海底隧道厦门翔安隧道的防排水设计概况,重点对工程所采用的"以堵为主"、"PVC分区防水"、"配置注浆管的背贴式防水带和中埋式止水带"、"特殊地段设置防水闸门"、"全断面帷幕注浆"、"排导衬砌的排水系统"、"永久抽水系统"等技术措施作了阐述。
This paper introduces waterproofing and drainage design of Xiang an benthal tunnel in Xiamen,which is the first large cross-section benthal tunnel in our country.It details construction technology including "block up-dominated waterproofing","PVC waterproofing by zoning","back applying waterproofing belt and embedded water stop","waterproof gates positioned in special sections","whole section grout curtain","drainage system with guiding lining" and "permanent pumping system".
关键词
海底隧道
防排水
设计
benthal tunnel
waterproof and drainage
design