城市生活垃圾若干土工试验方法

1,2,2(11,232001;21,310027):(MSW)MSW,MSWMSWMSW;MSW,;MSW,MSW:(MSW);;:X705:AAbstract:Thegeotechnicalpropertiesofmunicipalsolidwastes(MSW)arecriticaltosettlementforecastingandstabilityanalysisoflandfill.TestmethodsongeotechnicalpropertiesofMSWlikespecificgravitytestbysiphoncylinderandporositytestbygascharging,havebeenstudiedinthispaper.BasedontheanalysisoffactorsinfluencingonthesuctionofMSW,atestofthematricsuctionofMSWwasmade.ThemechanismoftheMSWbiodegradationandcompressionhasbeenstudied.ThesubsequentresultsoftheMSWbiodegradationandcompressionwerealsointroducedinthepaper.Keywords:municipalsolidwastes(MSW);geotechnicaltest;apparatus:2005212222;:2006203230:(1968-),(),,,.0MSW,100,100,,;,,,MSW,MSW,,1[1],50%2[2],,10a,15mm50%MSW,[3]MSW,(,2000)1(%)250352521250(,2002)2(a)(%)40mm1540mm15mm10291452912441131829153218537165635116321123217246614414187181682681681616121831MSW(GBPT50123-1999)(),5mm,5mm,20mm16200611JournalofGeotechnicalInvestigation&Surveying10%,MSW,,MSW1,180mm,600mm(:18mm60mm)1MSWMSW,,,,,,,MSW,105110MSW,,7524h32132MSW3(kg)01855015450141218450124501105(%)1711101981256194192101002MSWMSWMSW,,,,J.Boyle2Mariotte()[4],MSW,(23):(1)V2Vg1,K3;(2)K2,K1,V1,P0,K1;(3)K2,,Pg1;(4)K3,Vg2Vg3,(2)(3),Pg2Pg3VgiPgi4VgiPgi,;(5)MSW,(1)(3),MSWPMSW,4PMSWMSWVMSW;(6)MSWn=V-VMSWV100%,VMSW,VMSWMSW3MSW,014g/cm3,7917%(3193)2MSW3MSW311MSW[5]MSW,,MSW,,,MSW,26JournalofGeotechnicalInvestigation&Surveying2006113MSW4MSW:(1):MSW,(2):,MSW,,,MSW(3)():MSW,(4):,,,(5):,,3850MSW,312MSW(0106kPa),MSW,MSW5,,,Soilmoisture2100f,,80kPa3060s190mm,340mm,20cm1cm,,,,,,100kPa,25,24hMSW5MSW,,MSW,MSW63MSW,35%,,,50%36200611JournalofGeotechnicalInvestigation&Surveying(),[6],,6MSW4MSWMSW,:(1);(2);(3);(4),,MSW,,MSW3[7],,MSWMSWMSW,340mm,200mm,70,50kNMSW,3150kPa200d,:(1),400kPa,(2)41,6(3)5kg200mm(320mm),150kPa,142mm,65mm,77mm(4),,,7d150kPa(5)()(7),75(1)MSW,MSW(2),MSW(3)MSWMSW,MSW(4)MSW,MSWMSW[1],.[J].,2000,(2):7475.[2].[D].,2002,(6).[3],,.[J].,2000,22(1):3539.[4]J.,.[M].;,1983.[5]D.G,H.,,,.[M].:,1997.[6],,.[J].,2006,28(2):184190.[7]AfonsoCelsoMoruzziMarques,GeorgeM.Filz,OrencioMonjeVilar.Compositecompressibilitymodelformunicipalsolidwaste[J].JournalofGeotechnicalandGeoenviromentalEngineering,2003,129(4):373379.[8],,.[J].,2005,27(5):571576.46JournalofGeotechnicalInvestigation&Surveying200611