CSAMT在深埋長(zhǎng)隧道勘察中的研究與應(yīng)用.pdf

1、西南交通大學(xué)碩士學(xué)位論文CSAMT在深埋長(zhǎng)隧道勘察中的研究與應(yīng)用姓名：許偉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地球探測(cè)與信息技術(shù)指導(dǎo)教師：蔣正紅20110517西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)■■■●■■■——————■——■■—●■■—■——■■●——置—●●■—■■■—■—_■—■——■■■■■—■●—■■■■—●——■■_—■—●—■——●———●■——■—■■■●——■●■—一II—■—●—一AbstractGeologicaleng

2、ineeringdetectionofdeep，large，longturmclistheworld’SmajorresearchprojectsurgenttosolveControlledSourceAudiofrequencyMagnctoTellurics(CSAMT)iswidelyusedinthetunnelsurveyduetodeepexplorationdepth；topographicimpactonsmall，l

3、owresistivityisverysensitiveandeffectiveshieldtoavoidhighresistanceandstrongresolution，highefficiencycharacteristicsAccordingtothepracticalproblemsinAtunnelandcombinedwithengineeringgeologicalinvestigationthepaperhasrese

4、archedsurveyandapplicationofControlledSourceAudio—frequencyMagnetoTelluricsinthelonganddeeptunndFirstlythepapermadesomedaborationOlltheControlledSourceAudiofrequencyMagnetoTelluricsofapplicationbackgroundandresearchTheni

5、tintroducedthetheoreticalbasisandfieldworkmethodsofControlledSourceAudio—frequencyMagnetoTelluricsNextitmadesomeresearchoftheproblemsintheworktheymayencounterbyusingControlledSourceAudio—frequencyMagnetoTellurics，Thepape

6、ranalyzedandsummarizedthecauseandcorrectionmethodofthestaticeffectandthenearfieldeffectwhilealsogivensomeelaborationofthefieldsourceeffectandthefalseextremeeffectsalso、析t11apreliminarystudyofresolutioninControlledSourceA

7、udio—frequencyMagnctoTelluricsFinall弘謝thcombinationofanalysisofAtunnelengineeringsurveyexamplesthepaperstudiedhowtoprovengeologicalstructures，thelocationoffaultzoneandkarstsandthedepthandsizeoffTacturezonesoftzoneandwate

8、rrichzonebyusingControlledSourceAudiofrequencyMagnetoTelluricsAlsoitmadetherockclassificationcombined、而也thespeeddataByanalyzingandsummarizingtheapplicationofControlledSourceAudiofrequencyMagnctoTelluricsinAtunnelWecandra

9、wthefollowingconclusions：1Thebadgeologicalsuchasthefaultrupturezone，karsts，weakzoneandwaterrichzoneshowedfeaturesthatthelowresistance、璣也thesheetmassiveandbandedshapeinresistivityse∞tion2CSAMTcandetecttheabnormalformation

10、ofdeepkarstsOrnotisdependedondiameterdepthratioandthesizeoftheresistivitydifference3WecansubinterpretationfaultsaccordingtothefollowingtwoinCSAMTdata：Firstlowresistancewasbandedorbeadedintheresistivitysection，andsecondre