页岩发育区浅埋隧道超前地质预报方法研究
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摘要
以页岩的不良工程性质和围岩分级依据为基础,探讨公路隧道页岩浅埋段的超前地质预报方法的优化组合.通过比较国内外现有的各种超前地质预报方法的优缺点,提出了以TSP法和双频激电法为主、根据工程项目的等级适当考虑采用探地雷达作为补充的一套组合方案.而在某些特别复杂地段建议采用水平钻探加以验证.应用这套方案在常(德)—张(家界)高速公路第十合同段的关口垭隧道进行了一次科研试验,对预报结果进行详细的处理和分析后,给施工单位提出了相应的施工建议.后期的跟踪调查结果表明,试验成果与实际情况基本吻合,给予了施工正确的指导,达到了试验目的.
Based on the bad engineering property of shale and the basis of rock body classification,discuss the best combination of all kinds of advanced geological prediction method which is applicable to shale region.After contrasting the advantage and disadvantage of every method,the combination of TSP203 and induced polarization is more reasonable.In some special complicated regions,geology radar and horizontal drill can be as the assistance means.We have made an experiment in GuanKouYa tunnel by this way.After analyzing the forecast result detailedly,some relevant construction advice are brought forward.And the actual result certificate that the forecast result is very accurate.Provided the basis of science for the construction unit.
引文
[1]王齐仁,杨天春.隧道地质灾害超前预报的地震反射法[J].地球物理学进展,2006,21(2):643~649.
    [2]宋先海,顾汉明,肖柏勋.我国隧道地质超前预报技术述评[J].地球物理学进展,2006,21(2):605~613.
    [3]李永鸿,徐光黎,杨银湖,等.地震反射波法技术及其在隧道超前地质预报中的应用研究[J].岩土工程学报,2005(27):1180~1184.
    [4]陈光宗,王石春,刘朝祯.太平驿水电站引水洞施工地质超前预报技术[J].铁道建筑技术,1995,(2):29~31.
    [5]何振起,李海,梁彦忠.利用地震反射法进行隧道施工地质超前预报[J].铁道工程学报,2000,(4):81~85.
    [6]丁恩保,等.隧道工程地质预报方法探讨[J].工程地质学报,1995,3.
    [7]钟宏伟,赵凌.我国隧道工程超前预报技术现状分析[J].人民长江,2004,(9):16~18.
    [8]肖书安,吴世林.复杂地质条件下的隧道地质超前探测技术[J].工程地球物理学报,2004,(2):63~69.
    [9]Dickmann T,Sander B K.Drivage-concurrent tunnel seismicprediction(TSP):results from Vereina north tunnel mega-project and Piora pilot gallery Geomechanics Abstracts Vol-ume:1997,Issue:2,February,1997,82.

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