铁路地基固结度的计算方法

20102(192)HEILONGJIANGJIAOTONGKEJINo.2,2010(SumNo.192)1,2,1(11;21):,,:;;:U41611:C:1008-3383(2010)02-0024-02:2009-11-210,,,,,,,,,,,,,;,11.1U=1-(1-Uh)(1-Uv)Uh=1-e-8TrF(n)Tr=Cr.tde2F(n)=n2n2-1ln(n)-3n2-14n2UV=2UA+(1-)UB1+UA=1-82e-24TVUB=1-323e-24TVTv=CVtH2:ChCV;n,n=dedw;de;dw;,,,,,PP1P2P3,,Urz=mi=1Urzit-T0i+Tfi2SiSi:Urzit-T0i+Tfi2,it;r0ii,d;Tfii,d,,Tftt;Sii,cm,,SiSi,SitPi;m1.2(1)U=AUrz+(1-A)Uz:Urz;Uz;A,A=A1A1+A2A=H1H1+H2;A1,A2(z)11.3,,,(2)St=St+St:Stt;Stt;SttSt=Ut+SSt=Ut+SSt=Ut+S:Ut=UtS/S+UtS/S=Ut+Ut(1-):Utt;Utt;Utt;10%20%,,,,422,:192,;,2,UtUt,,3H4,H4,H4,,H13,4,,tUt=UtSt/S+Ut1St1/S+Ut2St2/S+Ut3St3/S+Ut4St4/SS=S+S1+S2+S3+S4S4,H5;S3(),H4/2;S2,H3;S1,H’1+H23U1H1H2,,H1H2,tH1Ut=1-82e-24TVH2:Ut1=1-82e-24TVUt=Ut1CvH21=Cv1H21,H21=Cv1CvH21H1,H1+H2H2Ut=1-82e-24TV:Tv=Cv(H1+H2)2tt:St0=Ut(S+S1)+Ut2S2+Ut3S3+Ut4S42,15m,,1.5m=18.5kN/m3,e1=1.10,a=0.58MPa-1,kv=2.510-8cm/s,kh=2.510-8cm/s,120kPa,4,433cm,3.0m,,,211UV=1-82e-24cvH2t:CV;H;t,,CV=kv(1+e1)aw=21510-8(1+111)015810-4=019510-4cm2/s=781110-4m2/dUh=1-e-8Fnchd2et=1-82e-24781110-4715218215=1-0181e-0106240124212Uh=1-e-8Fnchd2et:Ch;Fnn,Fn=n2n2-1lnn-3n2-14n2;n,n=de/dw,dw;de,,de=1105l,l;tl=310,de=11053=3115m,dw=0133mn=3115/0133=91545Fn=915452915452-1ln91545-3915452-14915452=1153Uh=1-e-811537811310-43115218215:U=1-(1-Uv)(1-Uh)=0192,,3,,,,,:[1]JGJ79-2002.[S]1[2]TB10001-2005.[S]1[3]TZ216-2007.[S]1[4].[M].:,1993.[5],,.[M].,1999.[6].[M].:,2000.52