万家寨引黄入晋工程泥质膨胀岩工程地质研究  

Engineering geology of argillaceous swelling rock in Wanjiazhai Water Diversion Project

作　　者：宋岳[1] 徐建闽[1] 

机构地区：[1]水利部天津水利水电勘测设计研究院,天津300222

出　　处：《水利水电工程设计》2001年第1期30-33,共4页Design of Water Resources & Hydroelectric Engineering

摘　　要：引黄入晋工程南干线 7#隧洞有 33km长的碎屑岩洞段 ,其间的部分泥质岩夹层具有膨胀性。论述了影响泥质岩膨胀性的主要因素和泥质岩膨胀势的划分标准 ;分析和研究了引黄入晋工程区段泥质膨胀岩的工程特性及其分布规律 ,并探讨了泥质膨胀岩隧洞的工程对策。There is a 33 km's length of classtic rock tunnel in Tunnel 7 of south trunk line.Part of argillaceous seams along the length is of swelling.The article is meant to present a research into the argillaceous swelling rock.Predominant elements affecting swellability was discussed and criteria were proposed to categorize swelling potential.Engineering characteristics was analyzed as well as the trend of physical distribution.The article is wound up with engineering measures to cope with the adverse swelling rock.

关 键 词：泥质膨胀岩 蒙脱石 胶结程度 引黄入晋工程 

分 类 号：P642.4[天文地球—工程地质学]