谈公路软土地基处治方法及观测

:100926825(2005)1220082202:2005203201:(19752),,1998,,,515041:,,(),:,,:TU471.8:A1,,K10K34,20,,:1)(40%),12)110-7cm/s3)0.0050.02,4)5,0.02MPa5),2,2.1,,,,,3%5%,30cm,,,,,50cm2.2,,,,,0.5mm50%,3%,510-3cm/s,,,1.5%,20cm,,,1.5m,,,40cm20cm,,7.8/10cm;,,2.31),3%;0.5mm50%;510-3cm/s2),14kN/m25%510-3cm/s3),,,,,1.5%,20cm,,,,,,,,,r=msd/0.78d2LPd100%,:msd,kg;d,m;L,m;Pd,kg/m33:,,,,,,,,28311220056SHANXIARCHITECTUREVol.31No.12Jun.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:100926825(2005)1220083202:2005203205:(19752),,1999,,,518083:,,:,,:TU472.35:A11.12090,(1992)[2]1977Seed[3],,,,1.2,,1)[4]:Ncr:Ncr=N0[0.9+0.1(ds-dw)]3/c(ds15m)(1)Ncr=N0(2.4-ds)3/c(15mds20m)(2):N0;ds,m;dw,m;c,3,3N1,N1,Np,N1:N1=mNp+(1-m)N1(3):m2)[5],:,,:1),,62),,,,,4,,200m,,,10m,50m5m,,3d0.5cm,1.5cm,,,,14d5,,,,:[1]JTJ017296,[S].[2]JTJF80/122004,[S].[3]JTJ002287,[S].TreatmentandobservationofsoftsoilfoundationandroadbedXUZhi2weiAbstract:TakingthetreatmentworkofsoftsoilroadbedalongYoufenexpresswayasexample,throughanalysisofthecharacteristicsofsoftsoilcorrespondingtreatmentmethods,principles,technologyandobservationmethodsareintroduced.Thetreatmentandobservationareem2phasized,whichshouldbedonewellinsoftsoilfoundationconstruction.Keywords:softsoil,constructiontechnology,observation38311220056SHANXIARCHITECTUREVol.31No.12Jun.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.