摘要
铁路、公路跨越山岭时,越岭隧道方案被大量采用,而深埋隧道的高水压和突、涌水则成为亟待解决的问题。合理设计有外水压力隧道衬砌的关键在于:(1) 隧道围岩渗流场的分析;(2) 外水压力作用系数的研究。隧道衬砌的静力计算和围岩压力及水荷载密切相关,在衬砌的设计中,既可以将围岩压力和外水压力分算,也可以考虑二者的耦合作用,进行水-岩合算。根据前人的研究成果,总结和讨论了隧道衬砌水荷载计算中的基本理论。
Numerous tunnels are adopted in railway and highway in western mountainous areas,China. The external water pressure and flow are the most important problems faced in the tunnel construction. In order to calculate the high external water pressure,the rock seepage field and external water pressure coefficient should be treated in detail. External water pressure can be calculated independently or together with confining pressure. The basic theory and method calculating external water pressure are discussed with an example.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2002年第9期1339-1343,共5页
Chinese Journal of Rock Mechanics and Engineering
基金
国家自然科学基金资助项目(49872082)。
