圆梁山隧道进口端平导PDK354+ 255～+ 275溶洞段施工技术  

CONSTRUCTION TECHNOLOGY OF CAVITY SECTION PDK354+255～+275 IN PARALLEL HEADING AT INTAKE PORTAL OF YUANLIANG MOUNTAIN TUNNEL

作　　者：张民庆[1] 韩占波[1] 孙国庆[1] 

机构地区：[1]中铁隧道集团公司科研所,洛阳471009

出　　处：《铁道工程学报》2002年第4期71-78,共8页Journal of Railway Engineering Society

摘　　要：圆梁山隧道是渝怀线上的最长隧道 ,该隧道穿越高压富水区 ,施工难度极大 ,被誉为“国内隧道设计、施工禁区工程”。本文系统地介绍了该隧道 PDK35 4 +2 5 5～ +2 75溶洞段的地质超前预测预报、超前注浆加固及支护、注浆效果的检查评定及施工过程 ,为今后类似工程的设计。Yuanliang mountain tunnel is the longest tunnel in Yuhuai railway line.Passing through high tension and richness water area,the construction of the tunnel is full of difficulties.It is intituled as the 'forbidden zone of tunnel design and construction in China'.The text introduces the geology advance forecast,advance grouting reinforce and timbering,grouting effect check up and the construction process in cavity section PDK354+255～+275 of the tunnel.It offers reference for the similar projcets in the future.

关 键 词：圆梁山隧道 施工技术 隧道洞口 溶洞 平导 预测 预报 注浆加固 效果评定 设计 

分 类 号：U455.4[建筑科学—桥梁与隧道工程] U453.[交通运输工程—道路与铁道工程]