摘要
近年来随着我国交通行业的快速发展,隧道工程逐渐增多,不可避免的出现隧道与隧道交叉的情况。本文结合已经通车的兰州北环路黄河书院隧道小净距上跨既有铁路隧道,介绍了新建公路隧道上跨既有铁路隧道的安全性影响分析、结构计算的依据、思路和方法等。实践证明,新建公路隧道小净距上跨既有铁路隧道方案可行,在施工和运营过程中均不影响既有铁路隧道的结构安全,为小净距交叉隧道的设计和施工积累了宝贵的经验。
In recent years,with the rapid development of China's transportation industry,the number of tunnel projects is gradually increasing,which inevitably leads to the intersection of tunnel and tunnel.Combined with the existing railway tunnel spanning the Huanghe Academy Tunnel on Lanzhou North Ring Road,this paper introduces the safety impact analysis,structural calculation basis,ideas and methods of the new highway tunnel spanning the existing railway tunnel.Practice has proved that the scheme of new highway tunnel with small clearance spanning the existing railway tunnel is feasible.It does not affect the structural safety of existing railway tunnel during construction and operation,and accumulates valuable experience for the design and construction of small clearance crossing tunnel.
作者
熊文亮
Xiong Wenliang(China Railwey Eryuan Engineering Group Co.Ltd,Chengdu Sichuan 610031)
出处
《工程技术研究》
2018年第13期1-4,共4页
Engineering and Technological Research
