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工程地质勘查中物探与钻探技术的运用研究.docx

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工程地质勘查中物探与钻探技术的运用研究 Title:TheApplicationofGeophysicalSurveyandDrillingTechniquesinEngineeringGeologyExploration Abstract: Engineeringgeologicalexplorationplaysavitalroleintheconstructionanddevelopmentofinfrastructureprojects.Toensurethesafetyandstabilityofengineeringstructures,itisessentialtoaccuratelyassessthegeologicalconditionsandidentifypotentialhazards.Thisresearchpaperfocusesontheapplicationofgeophysicalsurveyanddrillingtechniquesinengineeringgeologyexploration.Byinvestigatingtheadvantages,limitations,andcomplementarynatureofthesetwoapproaches,thispaperaimstoshedlightontheirsuitabilityfordifferentgeologicalconditionsandprojectrequirements. 1.Introduction Engineeringgeologyexplorationinvolvesthestudyofsubsurfacegeologicalmaterialsandtheirstructurestoprovideimportantinformationforengineeringprojects.Geophysicalsurveyanddrillingtechniquesarecommonlyusedmethodstoobtainsubsurfaceinformation.Thissectionprovidesanoverviewoftheobjectivesandsignificanceofengineeringgeologyexplorationandintroducestheroleofgeophysicalsurveyanddrillingtechniquesinthisfield. 2.GeophysicalSurveyTechniques 2.1ElectricalResistivityTomography(ERT) 2.2SeismicRefractionandReflection 2.3GroundPenetratingRadar(GPR) 2.4MagneticandGravitationalSurveys Thissectiondiscussestheprinciples,advantages,andlimitationsofeachgeophysicalsurveytechnique.Ithighlightstheirsuitabilityfordifferentgeologicalsettingsandtheirapplicationsinidentifyingsubsurfacefeaturessuchasbedrockdepth,faults,voids,andgroundwaterlevels. 3.DrillingTechniques 3.1AugerDrilling 3.2RotaryDrilling 3.3PercussionDrilling 3.4CoreDrilling Thissectionprovidesanoverviewofdifferentdrillingtechniques,includingtheirequipment,procedures,andtypicalapplications.Itdiscussestheadvantagesandlimitationsofeachtechniqueandemphasizestheirrolesinobtainingdetailedgeologicalinformation,suchaslithology,stratigraphy,andgroundwaterconditions. 4.IntegratedApproach:GeophysicalSurveysandDrilling 4.1ProspectingandTargetSelection 4.2DataCollectionandInterpretation 4.3Co