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Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY493(344)20126(,300133),。,、。,,、,。:U455.47;U452.2+5:A:1009-6582(2012)03-0119-06:2011-12-09:(1979-),,,,E-mail:349798289@qq.com.1,,,。,、、。,:、、、,;、,。、,,,。22.1,(、)、、、。4m×6m,23m×3.5m(8)、16、(1)。12U、、、、。12,,。,。1Fig.1Compositionofjackingequipment119493(344)20126Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY2.2、。,,,,,。、,,,,,,。,,,,,,,。4m×6m,,,42m3/h。,,,。2.3:()、、,,,;,,,()。2。33.1,,,;,。2Fig.2Theconstructiontechnologyofpipe-jacking,、、、。,,60.8m,,3。,(7m×2.7m)、、、。,。3.2,,20.82~21.75m,I。、,:〈1-1〉,〈1-2〉,〈3-1a〉,〈3-3〉,〈3-4〉、,〈3-5〉、、,〈4-1〉。4,〈3-3〉〈3-4〉、。120Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY493(344)201263Fig.3Theplanargraphoftheproject、。,3.05m,3.0~4.0m。44.1(1)①B=d+2bB———(m);d———(m);b———(m)。②L=L1+L2+L3+S1+S2L———(m);L1———(m);4Fig.4GeologicalprofileL2———(m);L3———(m);S1———(m);S2———(m)。③,。,,。20m×10m,11.7m×5m,11.7m11.65m,0.8m。(2),,、,SMW:SMW,,。SMW,21m,φ850mm,H700×300;1~2φ609。4.24:、、121493(344)20126Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY。,,,。,,、、,。,RNF。,Rankine。,,,,、。5φ850mm,1.0MPa。,18900kN,(24000kN);27000kN;5。5Fig.5Launchingshaftstructureanddesignofbackrest4.35.9m。,C40,0.8MPa。5m×3m(×),6m×4m,0.5m,1.5m,33.7t。41。,、。6。6(:mm)Fig.6Designofthecrosssectionstructureofpipe-jackingsegment4.4,、、、。,、,60.8m,,。4.3m。。4.5,7m×2.7m、110kV10kV、φ300φ100,φ100、、、。,7m×2.7m1.6m。,,,+0.3%,。4.6,。,、。P8。:“F”。,“F”。,,。,,,,。122Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY493(344)2012655.1,,,,,,;,,,2~3,,。,201188,,,4~5m。,,,,。5.2、,,。,,,,50%,;,、、、,,,。,,,,。,。,,,“”,。5.3〈3-3〉、〈3-4〉,,,,,;,,,,,。,,19.2m、39m()7、8。,,,,,。,,,,;,,,。719.2BFig.7Relationshipoftheaccumulatedsettlementsandjackingdistancesatpoint19.2B839BFig.8Relationshipoftheaccumulatedsettlementsandjackingdistancesatpoint39B,、。5.4,123493(344)20126Vol.49,No.3,Total.No.344Jun.2012MODERNTUNNELLINGTECHNOLOGY,、,。、,(、、),。,7m×2.7m、510kV、φ300、φ100、。,,2420。,,,,。6,,,,,,,、、。,,,。,,。References[1]().[M].:,2007ZhuHehua(ChiefEditor).UndergroundStructures[M].Beijing:ChinaArchitectureandBuildingPress,2007[2],.[M].:,1998YuBinquan,ChenChuancan.Pipe-jackingConstructionTechnology[M].Beijing:ChinaCommunicationsPress,1998[3].[R].2008ChinaCTDIEngineeringCorporation.GeotechnicalInvestigationReportofEastWangjiadunStation[R].2008[4].[R].2009ChinaRailwayTunnelSurvey&DesignInstituteCo.,Ltd.ConstructionDrawingDesignDocumentsofNo.IVAccessofEastWangjiadunStation[R].2009[5].[R].2011ShanghaiTunnelEngineering(Putong)Co.,Ltd.ConstructionOrganizationPlanofRectangularPipeJackingEngineeringofWangjiadunStation[R].2011[6].[J].,2000,(6):31-31FangJianglong.DesignofThrustWallinPipeJackingEngineering[J].ModernConstruction,2000,(6):31-31[7].[R].2010ShanghaiTunnelEngineering(Putong)Co.,Ltd.EngineeringApplicationofRectangularPipeJackingMachine[R].2010DesignofaMetroUnderpasswithaPipe-JackingSystemFeaturingLargeRectangularSectionsWuShengxian(ChinaRailwayTunnelSurvey&DesignInstitute,Co.,Ltd.,Tianjin300133)AbstractPipe-jackingisatrenchlesstechnologyusedtobuildtunnelsthatutilizesahydraulicjacktoplaceprefabricatedsegmentliningsaccordingtodesignschemes.Thismethodcansignificantlyreducetheeffectsofconstructiononroadtrafficandreducetheneedtorelocatepipelinesbyusinglargerectangularsectionsinametrounderpass.Basedontheanalysisofonemetrounderpass,thispaperverifiesthatutilizinglargerectangularsectionsinpipe-jackingisanadvancedmethodandencouragesrapidandsafeconstruction.KeywordsUnderpass;Pipe-jackingsystemwithlargerectangularsections;Design124
本文标题:某地铁过街通道大断面矩形顶管工程设计
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