野鸡山隧道渗水原因调查及防治

Investigation over the cause of water seepage of Yejishan tunneland its prevention and treatment

公路隧道在运营过程中经常出现不同程度的渗漏水现象,严重影响了隧道的正常使用功能和驾驶员的行车安全,并给维修管养带来了困难。文章介绍了国内外隧道防排水技术的发展历程,研究了渗流水压力与围岩应力的相互影响,并结合野鸡山隧道渗漏水病害特征,分析渗漏水原因,探讨隧道渗漏水防治的设计与施工技术,并提出预防措施与治理建议。

Varying degrees percolating water phenomena of highway tunnel often occurs in the process of operation,which badly affects the normal use of tunnel and safety of drivers,in addition,brings some difficulties to maintenance and management.This article introduces the development history of tunnel drainage technical at home and abroad,studies the interplay between vadose water pressure and surrounding rock stress,meanwhile,combining the disease features of percolating water in Yejishan tunnel,analyzes the reasons of percolating water,discusses the design and construction technology of prevention and treatment,and proposes the preventive measures and treatment suggestions.