天平铁路关山特长隧道超前地质预报技术研究

英文篇名：Research on technology of advanced geological prediction of Guanshan extra - long tunnel in Tianpin railway
中文刊名：人民长江
英文刊名：Yangtze River
作者：闫丰 ; 林刚 ; 段隆臣 ; 叶雪峰 ; 李大昌
英文作者：YAN Feng1 ; 2 ; LIN Gang3 ; DUAN Longcheng2 ; YE Xuefeng1 ; 2 ; LI Dachang1 ; 2(1.Engineering Research Center of Rock-Soil and Excavation and Protection of Ministry of Education ; Wuhan 430074 ; China ; 2.College of Engineering ; China University of Geosciences ; Wuhan 430074 ; China ; 3.Institute of Lanzhou Railway Design Co.Ltd ; Gansu Lanzhou 730000 ; China)
中文关键词：地质预报 ; TGP ; 钻孔取芯 ; 关山隧道
英文关键词：geological prediction ; TGP ; core-drilling ; Guanshan tunnel
出版日期：2013-06-14
机构：岩土钻掘与防护教育部工程研究中心;中国地质大学工程学院;兰州铁道设计院有限公司;
年：2013
期：11
出版单位：人民长江

摘要

关山特长隧道工程地质、水文地质条件复杂,隧道施工难度大,因此做好地质超前预报十分有必要。针对关山隧道所处的施工环境,采用TGP206预报系统和超前钻孔取芯预报两种手段进行综合预报,两种方法互相补充,预报结果与真实开挖结果对比验证了综合预报方法的准确性。用预报结果指导施工,减少了隧道开挖过程中地质灾害情况的发生,提高了开挖速度,保证了工期,提高了经济效益,也为类似工程施工提供了借鉴。
Guanshan extra-long tunnel is located at Guanshan mountains,where engineering geological and hydrogeological conditions are complicated,therefore advanced geological prediction is necessary.According to environment of the tunnel,TGP206 prediction system and advanced core-drilling was utilized to carry out comprehensive prediction,and the two kinds of methods complemented each other.Comparison between prediction results with the real excavation results verifies the accuracy of comprehensive prediction.Hence,geological disaster in tunnel excavation was reduced significantly and excavation efficiency was improved,construction period was guaranteed as well as the economic benefit was improved,which can be used as reference for similar construction projects.

引文

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