G30连霍高速公路乌鞘岭隧道渗漏水病害处治工艺研究

Research on treatment technology of leakage in Wushaoling tunnel of G30 Lianhuo expressway

本文主要介绍了甘肃省公路养护部门在海拔高、气候寒冷的乌鞘岭2号下行隧道、4号上行隧道采用封、堵、引、排的综合处治方式,在不封闭交通的情况下成功解决了隧道内大面积涌水、冬季结冰的问题,消除了安全隐患。

This paper mainly introduces the comprehensive treatment of Wushaoling No.2 down tunnel and No.4 up tunnel, which are high in altitude and cold in climate, adopted by the highway maintenance department of Gansu province. The problems of large area water inrush and ice in winter in the tunnel have been successfully solved without closing the traffic, and the hidden danger of safety has been eliminated.