摘要
对兰州至中川铁路客运线白家铺三号隧道在出口上方4～6m处有多个人为掏砂洞及未打管棚情况下安全出洞做了详细叙述，并对关键的施工步骤做了简要介绍，通过各种有效的措施手段，成功地完成了隧道的出洞施工，对今后类似工程起到了很好的借鉴。
This paper expatiates the safe tunnel exit of Baijiapu No. 3 tunnel on Lanzhou - Zhongchuan railway with several artificial sand hole 4 - 6 meters above the tunnel exit and gives a brief introduction to the key construction process. With various effective measures, the tunnel construction was successfully completed and can be taken as reference by similar en- gineering.
出处
《铁道建筑技术》
2014年第10期73-75,共3页
Railway Construction Technology
关键词
铁路隧道安全
出洞
三台阶法
railway tunnel
security
exit of hole
three steps construction technology
