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3D激光扫描应用于开采沉陷相似材料模型观测.docx

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3D激光扫描应用于开采沉陷相似材料模型观测 Abstract: Inminingandgeotechnicalengineering,itiscrucialtounderstandthebehaviorofrockandsoilunderdifferentconditionstoensuresafeandefficientexcavation.However,obtainingaccurateanddetailedmeasurementsofgeologicalstructuresanddeformationsischallenging,especiallyforsubsurfacematerials.3Dlaserscanninghasproventobeausefultoolingeotechnicalengineeringtoobtainhighlypreciseanddetailed3Dmodelsofgeologicalstructures.Thisstudyaimstoexploretheapplicationof3Dlaserscanninginobservingthebehaviorofsubsurfacematerialsthatundergosettlementbyusingsimilitudemodels. Introduction: Geotechnicalengineersoftenencounterchallengingproblemswhendealingwithsubsurfacematerials,suchasthesettlementofsoilsunderloads,whichcanleadtoseverestructuraldamage.Tounderstandthebehaviorofthesematerials,geotechnicalengineersdevelopsimilitudemodels,whicharescaled-downversionsoftheactualsubsurfacematerialsthataretestedincontrolledlaboratoryconditions.Inthesemodels,thematerialsaresubjectedtovariousloadingconditionstosimulatetheirbehaviorandpredicttheirperformancesinreal-lifescenarios.However,obtainingaccurateanddetailedmeasurementsofthesemodelscanbechallenging,whichcancausedifficultiesininterpretingtheresultsandmakinginformeddecisions. 3Dlaserscanningtechnologyprovidesapromisingsolutiontothisproblem.Itisanon-invasiveandnon-destructivetechniquethatcanrapidlycapturehighlypreciseanddetailed3Dmeasurementsofdifferentsurfaces.Moreover,itcanbeusedtoobserveandmonitorthebehaviorofsubsurfacematerials,suchassoils,rocks,andconcrete,underdifferentloadingconditionsbycreating3Dmodelsoftheirsurfacesandtrackingtheirmovementsovertime. Applicationof3DLaserScanninginObservingSettlementBehavior: Todemonstratethepotentialof3Dlaserscanninginobservingthebehaviorofsubsurfacematerialsthatundergosettlement,asimilitudemodelofasoillayerwasdesignedandmanufactured.Themodelwasmadeofatransparentplasticcontainerwithalength,width,andheight,of200,200,and30mm,respectively.Thecontainerwasfilledwithasandsoilmixture,whichwascompact