高海拔雀儿山隧道建设关键技术综述

Overview of Key Technologies in the Construction of High Altitude Queershan Tunnel

历时10年规划研究、5年艰苦施工,海拔最高特长公路隧道——国道317线雀儿山隧道于2017年9月建成通车,彻底改变了雀儿山路段的交通状况,确保了国道317线全年全线畅通。文章对雀儿山隧道在建设过程中所作的技术工作以及取得的创新性成果进行总结,希望能为我国大批的高海拔公路和铁路隧道建设参考与借鉴。

The highest extra-long highway tunnel,the Queershan tunnel on National road 317 was completed and opened to traffic in September 2017 after 10 years of planning and research and 5 years of hard construction,which has completely changed the traffic situation of Queershan road section and ensured the smooth operation of national road 317 all year round.This paper summarizes the technical work and innovative achievements in the construction of Queershan tunnel to provide reference for the construction of a large number of high-altitude highway and railway tunnels in China.