11951213(1.2.3.),PLAXIS,PLAXISPLAXIS,,,,,,,,1,[1],;,,,,;,,,,,1.1PLAXISPlaxis[2]Plaxis,,:Plaxis:1),;),,;3),,;4),,1.2Plaxis15m,95m,200m50m,AB,A,B1E/MPa/MPa/g!cm-3/6000502.48350.34000452.6350.34000502.5370.31500152.5370.31000251.8380.351.3Plaxis,200m,100m,5m,60m80m(1)60m,47m,1(a),1(b),1(a)AB(b)47m,1~3,A,B(a)AB,y352008-0-102GEOTECHNICALENGINEERINGWORLDVOL.11No.9,,,(b),A,20%4y-y,(a)(b),,,,(b)(a)4y-y(),,,5(,)80m,,ABy60m,,,30%6ABy2PLAXIS,,,,,30%,,[1].14307.1996,3.[2].[M].:,1997.:47336280m47m:12000