ABAQUS强度折减法在边坡稳定分析中的应用

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40920095YangtzeRiverVol.40,No.9May,2009:2009-01-12:,,,,:1001-4179(2009)09-0062-03ABAQUS(,252059):ABAQUS,,,:ABAQUS;;;:TU457:A1,[1]1,,,:,,;;,2,,,,,,:;;;;,,,ABAQUS,,ABAQUS,,,2[24]:,cK,c,,,K,c(1)(2),E,cc=cK(1)tan=tanK(2)Mohr-Coulomb,,,:,3,(),,(),3ABAQUS[5],,,,(UserSubroutines),,9:ABAQUS3.1,,[6],,,Mohr-Coulomb:13I1sin-(cos+13sinsin)J2+ccos=0(3)I1,J212;;;cMohr-Coulomb,,ABAQUSMohr-Coulomb,,,3.2,,:=,;,Mohr-Coulomb:Q=msin+J2(cos-13sinsin)=(4)m;,0=0,=Mohr-Coulomb,,,,(=0),,,,,,,,=3.3,4[7]:,,;;;:1;2,4450m,40:,14.1ABAQUS,,Mohr-Coulomb,ABAQUS1,,8,5321,110261/(gcm-3)/()c/MPaE/GPa2.8631.50.350.450.82.8634.40.450.3351.52.8737.30.50.312.1251ABAQUS4.21,97969978801810,,K=1.69K=1.69(K=1.69,K=1.70),,242K=1.692K=1.69,10,,K=1.69,34OAABBC3OA,,,362009AB,,,,,BC,,,3K=1.694K=1.69,;,,,5ABAQUS,,ABAQUS,,ABAQUS,,,,,:[1]..:,2003.[2],,..,2002,24(3):343-346.[3],,..,2003,(1):21-27.[4],,..,2002,4(10):57-78.[5].ABAQUS6.4.:,2004.[6],,..,2008,27(02):73-76.[7],,.ABAQUS.,2006,26(2):207-212.(:)(45)Ks=f(W-U)P:K=fiiAiiAifii;ii;Aii;iifi23,,4,,,,,,;,2fff0.730.50.63Ks1.391.431.48;,,:[1]SL25-2006.[2]..:,2000.(:)46

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