渝怀线彭水隧道进口段涌水处理浅析  

作　　者：张毅[1] 

机构地区：[1]中铁二院集团有限责任公司

出　　处：《中国勘察设计》2007年第11期65-67,共3页China Engineering Consulting

摘　　要：渝怀线彭水隧道进口段多次发生特大涌水,该段属可溶岩地区,隧道位于岩溶水平循环带及垂直循环的变化带内,岩溶发育,隧道切穿自北向南向乌江侵蚀基准面排泄的岩溶管道发生涌水,涌水受大气降水补给较快,水量大,治理原则以排为主。Extraordinarily serious water gushing has occurred at the entrance section of Pengshui Tunnel on Chongqing-Huaihua Railway for many times. The section belongs to soluble rock area; the tunnel locates in the variable Karst zone of horizontal and vertical recycling where Karst develops, water gushing occurs due to the tunnel cuts-through the Karst conduit from north towards south drained to Wujiang erosion basis, the water gushing is supplied speedily by atmospheric precipitation with large water quantity, which shall be controlled and treated mainly by drainage on principle.

关 键 词：隧道 岩溶 处理 

分 类 号：U457.2[建筑科学—桥梁与隧道工程]