论文部分内容阅读
包头至西安铁路自内蒙古包头市至陕西西安市,是国家“十一五”和《中长期铁路网发展规划》的重点工程,也是中国铁路网八纵八横主骨架包(头)柳(州)大通道的重要组成部分。为国铁一级双线电气化铁路设计时速西安至延安段200km/h,延安至包头段160km/h。裴家塬隧道位于包西铁路西安至延安段,该隧道全长1422m,从进出口双向开挖,本文就如何保证隧道顺利贯通及横向贯通误差小于容许值,洞外洞内控制测量进行分析。
Baotou to Xi’an Railway from Baotou City, Inner Mongolia to Xi’an in Shaanxi Province, is the national “Eleventh Five-Year ” and “long-term railway network development plan,” the key project, but also the Chinese railway network eight vertical and eight horizontal skeleton package (head) (State) a major part of the channel. Design a two-lane electrified railways for the national railway every hour 200km / h from Xi’an to Yan’an and 160km / h from Yan’an to Baotou. The Pei Jiayuan Tunnel is located in the Xi’an-Yan’an section of the Baoxi-West Railway. The tunnel is 1422m long in length and is excavated bidirectionally from both inbound and outbound traffic. This paper analyzes how to ensure the smooth tunneling and lateral penetration errors are less than the allowable values.