为快速解决大瑞铁路高黎贡山隧道出口端 TBM掘进D1K224+200～+230里程段后出现的突泥涌水地质灾害、隧道塌方冒顶、 TBM被关在掌子面、皮带传送机中断等问题。根据隧道工程地质条件和施工开挖过程情况，分析隧道突涌原因，借鉴国内富水全风化花岗岩突涌处治经验，提出在隧道洞身地表河道改修、塌坑回填、深孔加固，确保洞顶稳定和防止水流下渗，同时在突涌体两端施作注浆加筋挡墙，为洞内清淤和 TBM恢复掘进提供安全保障，形成了“高位锁口、泄水降压、两头夹击、支护加强、快挖快封”的施工技术措施对溃口进行处理，成功解决了富水风化花岗岩隧道溃口的突涌塌方冒顶的技术难题。

After the TBM boring in the exit end of the Gaoligongshan tunnel of the DaliRuili railway at section D1K224+200~+230, sudden water and mud outburst occur, which leads to tunnel collapse, TBM jam, and belt conveyor stop. As a result, the causes for water and mud outburst are analyzed, and a series of techniques such as surface river channel repair, collapse cave backfilling, and deephole grouting reinforcement are conducted to guarantee the tunnel roof stability and prevent water inrush based on treatment experience of water and mud outburst in waterrich fullyweathered granite. Meanwhile, the grouting reinforcement retailing walls are conducted on both sides of water and mud outburst point to provide safety guarantee for mud clearing and TBM reboring. A treatment scheme of highlevel lock, discharge and depressurization, twoend stop, support strengthening, and fastexcavation and fast seal is formed, which has successfully solved the water and mud outburst in tunnel in waterrich weathered granite.