城市垃圾填埋体的动力特性及地震响应

(),(SASW),,,,,,,Newmark,,,,:TB115:A:1000O131X(2002)03O0066O0711988Kettleman,,,,,MatasovicKa2vazanjian(1998)OII,GPGmaxPmax,(Seed,1979;Morochinik,1998),,,Newmark(1965),,,,(),:2000O07O06(59878050)(RC9609),Newmark2211(2000),DuncanOChang,1:11O3DuncanOChang,:Es=kPa3Pan1-Rf(1-sin)(1-3)2cos+23sin(1),13,Pa353Vol135No1320026CHINACIVILENGINEERINGJOURNALJune2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,Rf=(1-3)f(1-3)ult,k,n(1-3)f,(1-3)ult212Biot,:[M][]+[C][Û]+[K][]+[Q][u]={F1}[Q]T[Û]+[H][u]={F2}(2)[M][K][Q][H];{F1}{F2}(2),Newmark,,,;,Gmax:Gmax=kmax(m)1P2=V2s(3),(3)KmaxGmax,(SASW),,,,,,,,,[18]232:32m,,G/Gmax/maxMatasovicKavazanjian(1998),[13],max0124:ug=m(1-mSL)NL1-NNL1NNL12-1N(4)NL=10b-av0a,,,a,b;0;av;NN;Nt,N=Neqtt;Neq,;m;m,111113;,0173311,,4:Q;r:q;a;d;L76353©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4k;kc,L,,LHarr(1962),:110;21-14,1,x=0Q0,r,r:dQdx=r-q(5):qq=kcd+ycosd=kc1+ycosd(6)kck,,:q€q=kc1+€ycosd(7)y,€y=1LL0y(x)dx(8),,,2:Q:r1,:Q=(r-q)x0FxFL(9)h=y-xtan(10)Chapman(1980):Q=-kydhdxcos2=-kydydx-scos2(11),:ydydx-tan+(r-q)xkcos2=0(12),,Y=yPL,X=xPL,YL=yLPL,Xi=xLPL=1,…Y=€yPL,R=(r-q)P(kcos2):YdYdX-s+RX=0(13)312Y=ZX,,XZRtan24,M=4R-s2,:X=R(1-tan+RR-tanZ+Z212expsMtan-12R-tanM-sMtan-12Z-tanM(14)Rs24,T=tan2N,:N=tan2-4R,:X=R(1-tan+R)R-tanZ+Z2122R-tan-N2R-tan+Z2Z-tan+N2Z-tan-NT(15)R=s24X=2R-tan2Z-tanexp2s(R-Z)(tan-2R)(tan-2Z)(16)YX,4,862002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,n,A(),:Fs=ni=1fidlini=1nidli(17)fiA,MOC,fi=ci+nitani;ni,ni;ci,i;liReame(),,,110,,,351965,N.M.Newmark,,,,,,Newmark,,,35,,,,(,),,:=(ni=1nidli-ni=1fidli)RPI(18)I,Acad14R,,i,:=ni=1i=ni=1d2t(19),n5500m3,1992,102m,400t,,,3:1(kNPm3)(kNPm3)(cmPs)C(kPa)()(mPs)195%31651010121111510-3610176080285%31251010121011110-311151770120370%215010101119017510-315151715901903:2:,,34,8,384,12331132,3,[2](),(),,,10s,500,596353©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.5(s),011g,110,,1103;012g,500,12110,0189,013g,31110,0168,014g,86110,01546013g014g6,,,,,,012g013g,,,3,013g,6113%(110)3,124814%,014g,3(110)5417%,23,,,Newmark63013g014g123123(m)4717,65193319,40107412,126123319,62113614,74116514,11517(m)63153714494114714581393117161107112810791341071166107310710711401089642116102910%1914%1219%2414%1816%1116%0176cm0145cm1170cm1014cm1312cm9128cm4186cm3193cm2106cm3113cm3019cm1418cm:,kgm2,110,,110072002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,3,,,,1(30148cm),013g,0173,5cm,,110,;014g,,,,110,:1)110,,;2),;3),;4),,;5),,,,;6),,,3,New2mark4,,,:1)(SASW);2),,,Newmark,;3)110,;4),,;5),,;,,[1],,.[J]1,2000,33(3):9297[2],,.[J]1,2000,22(1):3539[3],1(MSW)[J]1,1998,20(5)16[4]1[D]1:,1999[5]MitchellK.,SeedR.B,SeedH.B.Kettlemanhillswastelandfillslopefailure.I:LinerOsystemproperties.J.Geotech.Engrg.,ASCE,1990,116(4):647668[6]SeedR.B.,MitchellJ.K.,SeedH.B.Kettlemanhillswastelandfillslopefailure.:StabilityAnalyses.J.Geotech.Engrg.,ASCE,1990,116(4):689690[7]BookterT.J.,HamR.K.Stabilizationforsolidwasteinlandfills.J.Envir.Engrg.,ASCE,1982,108(6):10891100[8]RoversF.A,FarquharG.J..Infiltrationandlandfillbehav2ior.J.Envir.Engrg.Div.,ASCE,1973.99(5):671690[9]SoydemirC..SeismicdesignoflandfilsforNEunitedstates.Proceedings:Thirdinternationalconferenceonrecentadvancesingeotechnicalearthquakeengineeringandsoildynamics,St.Louis,Missouri,1995[10]ChangTzyyOshiou,WeiBaoOzhu,HallK.M.,ChangKuoOping.EarthquakeOinducedlateraldisplacementofalandfill,Proceedings:Thirdinternationalconferenceonrecentadvancesingeotechnicalearthquakeengineeringandsoildynamics.St.Louis,Missouri,1995[11]AugelloA.J.,BrayJ.D.,AbrahamsonN.A.,SeedR.B..DynamicpropertiesofsolidwastebasedonbackOanalysisofOIIlandfill.J.Geotech.andGeonvin.Engrg.,ASCE,1998,124(3):211222[12]Newmark,N,M..Effectsofearthquakesondamsandem2bankments.Geotchnique,1965,15(2):139160[13]SeedH.B..Considerationintheearthquakedesignofearthandrockfilldams.Geotchnique,1979,29(3):215263[14]MorochnikV.,BardetJ.P..IdentificationofDynamicPropertiesofOIILandfill.J.Geotech.andGeonvin.En2grg.,ASCE,1998,124(3):186196[15]MatasovicN.,KavazanjianE..CyclicCharacterizationofOIILandfillSolidWaste.J.Geotech.andGeonvin.Engrg.,ASCE,1998,124(3):196210[16]BrayJ.D.,RathjeE.M..EarthquakeOInducedDisplace217353©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.mentsofSolidOWasteLandfills.J.Geotech.andGeonvin.Engrg.,ASCE,1998,124(3):242253[17]McEnroeB.M..Maximumsaturateddepthoverlandfilllin2er.J.Envir.Engrg.,ASCE,1989,119(2):262270[18],,..,1992,14(3):6165DYNAMICPROPERTIESANDSEISMICRESPONSEOFMUNICIPALSOLIDWASTEChenYunminKeHanLingDaosheng(ZhejiangUniversity)AbstractAmethodtocalculatetheleachatecurveoffreeOfacedheadlineisproposedinthepaper.Itisassumedthattheleachateofprecipitationistheonlywatersourceintothemunicipalsolidwaste(MSW).AccordingtotheresultsofexperimentsontheMSW,thestabilityofawastelandisanalyzedbymeansofthestaticOdynamicfiniteelementmethod.Itisdemonstratedthatthepositionsofthemostdangerousslidesurfacesduringearthquakearefairlyconcentrated.Basedontheconclusion,theperma2nentdisplacementofa