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(100084)(CivilDept.ofTsinghuaUniversity)(518055)(ShengzhenNiyiMunicipalCompany),,,6:11;21;31;41;51;61,,ABSTRACTGuang2zhautheUndergroumd2ndLinewillpassthroughHua2nanExpressWay.Duringconstructioncommunicationoftheexpresswayshouldnotbecutoff.Pipe2jackingmethodissug2gested.Thereare6sections.1.General;2.Operationpit;3.Calculationofjackingforce;4.Calculationofbackresistingearthpressure;5.friction;6.Others.Somecompletenessisconsideredforthisconstructionprojectandsuggestedforreference.KEYWORDSPipejackingTunnelling,,,11:1953,10,19812600mm,58119m,558m,,119972756m,212m,226m,21,7060m,,,21(1),,;(2),;(3);(4),;(5),231,3:(1),,,,3(2),,,2(3),,,,(1)4418320019Vol118No13Sept12001SPECIALSTRUCTURESNo132001©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.333,4()(i=3)4m,4,4m11(5)B=D1+2b+2c(m)B(m);D1(m),,D111m,;b(m),D1100mm,b=1120m;D11000mm,b=116m,b=2m;c(m),,c=0105m;,c=0107m521,(5):L=L1+L2+L3+S1+S2+S3L(m);L1(m);L2(m);L3(m);S1,:013015m;016018m;S2,,;016110m;112118m;S3,015m,015m-314,200mm,-316,31,,,112115m,Rf,,,,66,,,,,:Rf=K[f(2Py+2PH+G)+PA]Rf(kN);Py(kN);PH(kN),6;G(kN);54No132001SPSTSPECIALSTRUCTURESNo132001©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.f,1;PA(kN);K,1121f0120012001200120014001200130014001200130014501250135013801320134014501300138014501300137014701350140014801320139015001400145015001500150:Py=KyHD1L(kN)Ky;(kN/m3)H(m);D1(m);L(m),,:p=Kph(kPa)p(kPa);Kp,2;h(m);(kN/m3),:RC=KrBH(h+H2)KpRC(kN)B(m);H(m),78;h(m),78;(kN/m3);Kp;Kr2()KpKAKp/KA1011420170210320210401494116252146014161002721660138710030310001339109353169012713167,,,11,,7,018521,,8h,Kr,,,,KrKr99hH,Kr78911,,,,,3#107126m,255167m(21648m),1#2#3#160m(31056m),=116133m,,10,,,102,,,,,,21,,6%,64SPST20013SPECIALSTRUCTURESNo132001©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,3:;;115210H,23H,1111100m,,33CMC(s)(cp)(mL)10-8kPa(kN/m3)20%10%3620251215160111,,4,1/211,,:B=D1+018(m)L=L1+018(m)B(m);D1(m);L(m);L1(m),L1=4m2132,,,12,2030,1520cm,916mm,1219mm,1015,4,,11;21;31;411231,()(),,,,(a)(b)11;21;31;41;511314,,,,13,,,,14(a)(b)(c)1541,,,,1515C[1],11,1999,I:49525011[2],11,1995191[3]111,2000111[4]11,2000,3:23228174No132001SPSTSPECIALSTRUCTURESNo132001©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.