城市生活垃圾填埋场沉降分析与计算

()(),,,;,,472m3,73m97%;10%:TU441+17;TB115:A:1000O131X(2001)06O0088O051;,(),,(),,,,,,[1,2,5],:Sowers[1],,,;,,[1],,(),:2000O05O25,:2000O09O08(59878050)[3],,,2,:(1),,,;(2),,,,,,;,,,,,,,,346Vol134No16200112CHINACIVILENGINEERINGJOURNALDec12001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(a)(b)i13311:e=Cc(1+e0)lg0(1):e=Ca(1+e0)lgt510(2):e;Cc;e0;0;;Ca;t,5,[3],(),,CcCa:Cc=0128,Ca=0115312[4],,=1-e-01235t(3):;t,B0,d0()dm,=B0Pd0(1-B0)Pdm+B0Pd0=(1-e-01235t)B0Pd0(1-B0)Pdm+B0Pd0(4):[4]:d0210;dm21531331311,,,1(1),;(2),Si:Si=Si1+Si2=Si11+Si12+Si2(5):Si1,Si11Si12,;Si2Si11=H0iCclg0i+i0i=H0iCclgZi110=H0iCclgZi(6)Si12=H0iCalgtit0(7)Si2=iH0i(1+e0)=(1-e-01235ti)B0Pd0(1-B0)Pdm+B0Pd0H0i1+e0(8):H0ii(m);Cc,Cc=0128[3];0i(kNPm2),0i1m;ii(kNPm2);98346©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Zii(m);,,=810kNPm3;Ca,Ca=0115[3];tit0it0=5[3],5,;ii(%);e0(3)ViVi=SiAi(9):Aii(m2)(4):V=Vi,=VP(V0-V)31312,(12),,,(7)(8)4,H0=73m,V0=472m3O2,O3v=5mP[6],122O3O1B0(%)(kNPm3)e0CcCa40810410012801152,,97%1989,13,12,84%,,,,214%,,2(m)(m)()(m2)Sill(m)Vill(m3)Sil2(m)Vil2(m3)Si2(m)Vi2(m3)31151113301150120010001000106010855152316110431730100010001170161510153611438158010001000123113851515481167131330100010001282122092001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(m)(m)()(m2)Sill(m)Vill(m3)Sil2(m)Vil2(m3)Si2(m)Vi2(m3)5201559181184181000100010001313108525156121211972410201060172013441205301571312210827143011111450137418553515812211726104011511840139416354015991821252210501191188014031925451510616213215132012311490141217255015114175213811133012611220142210055515123162144817901291103014311545601513212521495161013101700143019856515141122154310501340140014401535701515014215911030136011401440118Vill=188152Vil2=10187Vi2=3219:V=V11+V12+V2=188152+10187+3219=232129m3:Vr=V0-V=472-232129=239171m3(2):Hr=4014m:H=73-4014=3216m:=VPVr=232129239171=9619%,,,,2010%,4,[2],,,,(1)115,11520;(2)[3],;(3),4(T=365t)5,pH,,,:(1),5,;(2),,,8kNPm3;(3),5()19346©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,[3](,,pH),;,,6,,(1),;(2),,;,,,;(3),,,,(4),,;;,1HariD.Sharma,andSangeetaP.Lewis.(1994)WasteCon2tainmentSystems,WasteStabilizationandLandfills,DesignandEvaluation.JohnWiley&Sons,INC.568O5842HoeI.Ling,DovLeshchinsky,YoshiyukiMohrl,andToshinoriKawabata.(1998).EstimationofMunicipalSolidWasteLandfillSettlement.JournalofGeotechnicalandGeoenvironmentalEngi2neering,124(1),21283,112001(1):12312641120005,1(MSW)1,1998(5):166,,11,22(1),2000CALCULATIONFORTHESETTLEMENTOFMSWLANDFILLHuMinyunChenYunmin(ZhejiangUniversityofTechnology)(ZhejiangUniversity)AbstractThesettlementofMSWlandfillisremarkableinbothduringthefillingprocessandafterthecoveredlandfill.Thesettle2mentis,ononehand,goodtolandfillcapacity;andontheotherhand,isdisadvantagetothemanagementandmaintenanceoflandfill.ThecompressionoftherefusesoilisduetothecombinedinfluenceoftheselfOweightandtheorganicmatterdegra2dation.Asettlementprocessoflandfillcaseisstudied,whichisdesignedtobe73mhighwiththevolumeof4,720,000m3.Theresultindicatesthattheexpansionrateofthewastecapacityisupto97%andtheultimatesettlementisabout10%ofthefillingheight.Acontrolmethodofsettlementisproposedinthepaper.Itincludestoplanasuitedfillingcell,tocom2pactarefusesoiltothemost,andtoacceleratetheorganicmatterdegradation.Keywords:municipalsolidwastelandfill,refusesoil,decompositionsettlement,19982000,:310014,,10,9,70292001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.