张家口旅游铁路二郎山隧道工程地质条件及主要地质问题分析  

Analysis of Engineering Geological Conditions and Major Geological Problems of Erlangshan Tunnel on Zhangjiakou Tourist Railway

作　　者：卢瀚 于彬 LU Han;YU Bin(Taiyuan Design Institute of Railway Engineering Consulting Group Co.,Ltd.,Taiyuan 030000,China)

机构地区：[1]中铁工程设计咨询集团有限公司太原设计院,太原030000

出　　处：《路基工程》2021年第6期219-223,共5页Subgrade Engineering

摘　　要：以张家口旅游铁路二郎山隧道工程为依托,通过区域地质及工程地质调绘,结合钻探、物探及原位测试等综合勘察资料,分析二郎山隧道的工程地质条件及主要的工程地质问题。结果表明:围岩失稳、涌水突泥以及危岩落石是二郎山隧道的主要工程地质问题,提出了相应的施工建议。In relation to Erlangshan Tunnel on Zhangjiakou Tourist Railway,the engineering geological conditions thereof and the major engineering geological problems were analyzed by regional geology and engineering geological annotation,together with the comprehensive investigation data from drilling,geophysical prospecting and in-situ testing.The result shows that instable surrounding rock,water and mud inrush and dangerous rockfall are the major problems at Erlangshan Tunnel.The corresponding suggestion on the construction is proposed herein.

关 键 词：铁路隧道 工程地质条件 工程地质问题 发育特征 ROCKFALL 

分 类 号：U452.11[建筑科学—桥梁与隧道工程]