地球物理方法对垃圾填埋场探测的有效性试验研究

17320105(();)EarthScienceFrontiers(ChinaUniversityofGeosciences(Beijing);PekingUniversity)Vol.17No.3May2010:2009210214;:2009211230:(40674068):(1969),,,E2mail:[e-mail]1,2,1,2,111(),10008321(),100083LiuZhaoping1,2,YangJin1,2,LuoShuiyu111SchoolofGeophysicsandInformationTechnology,ChinaUniversityofGeosciences(Beijing),Beijing100083,China21KeyLaboratoryofGeo2detectionofMinistryofEducation,ChinaUniversityofGeosciences(Beijing),Beijing100083,ChinaLiuZhaoping,YangJin,LuoShuiyu.Theapplicationofgeophysicalmethodstotheanalysisoflandfill.EarthScienceFron2tiers,2010,17(3):2502258Abstract:Inthisstudy,wehaveconductedexperimentalresearchondifferenttypesoflandfillincludingcon2structionandhouseholdwasteinacityofHebeiprovincebyusingvariousgeophysicalmethods,suchashigh2densityresistivitymethod,ground2penetratingradarmethod,high2precisionmagneticmeasurementmethod,inducedpolarizationmethodandthetransientelectromagneticmethod.Accordingtothemeasureddataandcombinedwiththegeologicalandgeotechnicalcharacteristicsoftheworkingarea,wepointouttheroleandthecapacityofdifferentgeophysicsmethodsindelineatingandmonitoringthecoverageandspreadingtrendsofthepollutionofalandfill.Ithasbeenfoundthatthegroundpenetratingradarmethod,highdensityresistivitymethod,inducedpolarizationmethodandtransientelectromagneticmethodhavesomeeffectsindetectingcon2taminationleakageofalandfill.Theexperimentalresearchshowsthatbesidesthehighdensityresistivitymethod,theinducedpolarizationmethodalsohasagoodeffectinmonitoringthescopeandtrendofpollutionanddelineatingthedegreeofcontamination.Keywords:landfill;geophysicalmethods;experimentalresearch:()(),,,,,,,:;;:P631:A:100522321(2010)0320250209,,,,,,,,,,/(EarthScienceFrontiers)2010,17(3)251,,[1],AristodemouThomas2Betts[2],MacFarlane[3]Borden,,45,,,[4],,,,10m,[5],,,[6],,,,,()(),,1111,(),(),215km(50m)(Q4),34,,,115410m,1213m,,,,(3032m)2425m,,,,,,,(1)1Fig11Drillinggeologicalcolumnarsection112,4:,,1050m,252,,/(EarthScienceFrontiers)2010,17(3)15m,,515m,,,50150m,4020m,,515m2030m,,150m280m,57,1030m,,,2030m,,340420m,3050m,,20m,2211/,1,2[7],1,,110m,,1m,,200m1Table1Resistivityrangeofdifferentrocksandmedia/(m)/(m)330133010400.4251502003505030040200()200400112()8005000100550()1000300040016005003500()70180300300011010000300120020001000015070040060002001000302000.11001002[7]Table2Parametersofsomecommongeotechnicalmedia[7]/(Sm-1)/(cmns-1)/(dBm-1)0130010-4310-2813.33.40.1110813.33.410003.2170.0110-710-346150.0110-410-2253060.030.310-115404.713130060803.43.90.31.410-45.010-22.61513172030()10-97110.41.0()2.510-280.41.0()10-85150.011()10-37100.011157.86.412,,/(EarthScienceFrontiers)2010,17(3)253212,,,,2L1L4;L52Fig12Diagramofgeophysicalprospectingmethodsanddifferentlayoutoftestinglineinlandfillmainlywithhouseholdgarbage,DMTRE2SECS(Wenner),,,,3m,n32,GS2SISIR(SIR23000),100MHz,DWJ23A,AB/236915254065100m,MN/215m8,25m,200m6(Phoe2nixGeophysicsLimited)V8(CLTEM),50m50m,(25Hz5Hz),10,20m,CZM23,10,15m,3mGPSGARMINGPS27288#,1#3311,34,,1040m;40100m;100m,,,254,,/(EarthScienceFrontiers)2010,17(3),,/(EarthScienceFrontiers)2010,17(3)25531231211L1L4L1L4L2(1)L253:1,03m,1025m;2,310m,110m;,1018m,1250m15m,15m,15m,,,(2)L26,,,,,,110m,540,010470113m/ns,(10m),01078m/ns,6L2GPRFig16GRPsurveyprofileofsurveylineL2oflandfillmainlywithhouseholdgarbage256,,/(EarthScienceFrontiers)2010,17(3),,/(EarthScienceFrontiers)2010,17(3)25711TEMV(t)/IFig111TEMmulti2channelV(t)/Icrosssectioncurve15m162ns(811m),205ns(10125m)(3)10,L2L2L2(L2L2L215m30mL2)7,,,T,(8),(20nT),(-2020nT),(-20120nT),(-120nT),20nT;-2020nT;-20120nT;-120nT31212L5L5,,L5910,1%,,7%9,AB/2,6%014%,,100150m,840ms,600ms,,L5,TEMV(t)/I1112,,,,,4,,258,,/(EarthScienceFrontiers)2010,17(3)(,),,,,,,,,,,,,,,,,,References[1]CropsofEngineersWashingtonD.C.GeophysicalExplora2tionforEngineeringandEnvironmentalInvestigations[R].NewYork:ASCEPress,1995.[2]AristodemouE,Thomas2BettsA.DCresistivityandinducedpolarisationinvestigationsatawastedisposalsiteanditsenviron2ments[J].JournalofAppliedGeophysics,2000,44:223.[3]MacFarlaneDS,CherryJA,GillhamRW.MigrationofcontaminantsingroundwateratBordenlandfill,Ontario,Canada[J].GroundwaterFlowPlumDelineation,ASpecialIssueofJournalofHydrology,1983,63:122.[4]ChengYX,LiuHS,ZhaoZY.Investigationofurbanland2fillcontaminationusinggeophysicalmethods[J].ChineseJournalofEngineeringGeophysics,2004,1(1):26231(inChinese).[5]NengCX,DongL,WangQ,etal.Theelectricitycharac2teristicsoftheearth2electricitymodelinlandfill[J].ChinaEnvironmentalScience,2004,24(6):7582760(inChinese).[6]YanYL,MaXB,YuanGP,etal.Applicationofmagneto2telluricmethodingroundwaterpollutiondetectiononAsuweirefusesanitarylandfill[J].ChineseJournalofGeophysics,2007,50(6):186321868(inChinese).[7]ChengYX,YangJ.AnIntroductiontoEnvironmentalGeo2physics[M].Beijing:GeologicalPublishingHouse,2005:922113(inChinese).[4],,.[J].,2004,1(1):26231.[5],,,.[J].,2004,24(6):7582760.[6],,,.[J].,2007,50(6):186321868.[7],.[M].:,2005:922113.