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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1981),,2005,,12(11,610031;21,471003)AnalysisonDeflectionofMetroTunnelsRanLigangDingJianjun,,,8741174m,XDK41+6521309XDK42+5161720,XDK42+2991763=XDK42+2901000(91763m),,XDK41+7161983XDK42+3471505,XDK42+0431814XDK42+5071266:R=350m,l0=60m,y=43405019;:R=500m,l0=65m,y=10513118,,,120mm100mm,149mm124mm1111,Rl,l=C(1),C,ll0,Rl0=C(2)112111d=dl=1Rl0dl(3)=l0d=l01Rl0dl=l22Rl0=l22C(4),l=l0,0=l202Rl0=l02R(5)93:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=dlcos;dy=dlsin,(3),,,sin(6)cos=1-2sin221-2(2)2=1-22(7)dx=(1-22)dl=(1-l48C2)dl(8)dy=dl=l22Cdl(9)(8)(9)x=l0(1-l48C2)dl=l-l540C2(10)y=l0l22Cdl=l36C(11)113,,2,20mp,0=l02R180(12)m=l02-180240R2(13)p=l2024R-l402688R3l2024R(14)0/();m,ZH(HZ)O/m;p,R/m;l0/m,L=2l0+R(-20)180(15)2,ZYZY1,QZQZ1,JDJD1,TT1,RR1,l0l1,LL1,1,01:T=l02+Rtan2(16)ZHJDQZd=l02+Rtan2cos2(17):T1=l12+R1tan12(18)ZHJD1QZ1d1=l12+R1tan12cos12(19)(17)(19)d1=d,l12+R1tan12cos12=l02+Rtan2cos2(20)(12)(20)-20=1-21,R11-2+0=180Rsin2-R1sin12+R0cos2cos12(21)y=R1(1-2+0)(22)y1y=180(Rsin2-R1sin12)+R0cos2cos12(23)0420076©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=R1802sin2+0180cos2sin12-R1Rcos212(24),RRmin=250m,[3],l0l0max=150m,(12),0180lmax2Rmin=1502250=013(25)sin2+0180cos2sin2+0.3cos2,90,sin2+0.3cos2=1+0.32(sin21+0.32+0.3cos21+0.32)1+0.32sin(902+17)1+0.32sin(902+17)0.922(sin2+0180cos2)0.922(26)R1=RR1=R-R1R=1,R1R=R-R=1-RR=h0hsR=h0h1500Rh0/m;s,1500mm;h/mm,RRmin=250m,hhmax=120mm,Rmax=h0hmax1500Rmin=3.210-4h0010321-R0.968(27)(24)(26)(27)dyd1R18020.922sin12-0.968cos2120(28)y1(22)(23),,(1),,R1=R,1=(21),(21),(2),,R1=R-(21)1,-20=1-211,(12)(15)l1L1,,3,,,,33,ZH(HZ),x,y(1)(10)(11)(2)x=Rsini+m(29)y=R(1-cosi)+p(30),iy/(),i=li-l0R180+014:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.():(21),1=43413414,1=4550116,l1=601048m,L1=3261839m,48mm,8mm:(21),1=10514010,1=3433113,l1=651004m,L1=1591762m,4mm,1mm,(10)(11)(29)(30),5,,,[1]GB501572003[S][2].[M].:,2003[3].[M].:,2000[4].[M].:,2002:2007-09-04:(1975),,1995,GPS(,511442)AnalysisandApplicationofGPSSurveyingRun2throughErrorinTunnelsofPassengerDedicatedLinesZhangYuGPS,,,,GPS,GPS,GPS1K9+454,K11+510,2056m,1419m(1216m),13m,106219m,670m,K10+51619,R7000m,(K10+51619),,,,,1030,19318m,180m,,,GPS,2GPS,()2420076