盾构机平移过站技术

‘,,(,100091):,S-285,:;;;:U455.43:BConstructionTechniqueonStation2crossingMovementforShieldMachineWANGXun,YANGBo,LIUWen2bin(ChinaRailwayFirstBureauGroupCo.,Ltd.,Beijing100091,China)Abstract:Itisacommonworkingprocedurethattheshieldmachineshouldcrossthecompletedstationtogettothenextsection.Itisatopicworthofconsideringhowtocrossthestationfast,economicallyandeffectivelysoastoensurethescheduleoftheworksandthesafetyoftheequipment.TheconstructiontechniqueoftheshieldmachineHERRENK2NECKTS2285crossingBeigongmenstationofNo.20bidsectionofline4ofBeijingMetroispresentedinthepaper.Keywords:shieldmachine;movement;station2crossing;constructiontechnique0,,,,:1),,;2),;3),,,,,,,,,,,1,,,,-,,-,,14m,2.25m,3.14m,1.7m,,22.1:,:2007-05-31;:2007-06-11:‘(1975-),,,1997,2006,,27420078TunnelConstruction27(4):5254Aug.,200710,16mm,,,:2530830mm,1,2.211Fig.1Technicalflowchartofstation2crossing33.1:,,,,:1:23.23.2.1,225mm,5,,16mm,,23.2.2:1)1Table1Materialsforstation2crossing10=16mm6210m36048mm,6m/81050cm50cm2cm2Table2Equipmentforstation2crossing110m322821280t51t2t3t5t10t12Fig.2Sketchshieldcradle,;2);3);4);5),33Fig.3Sketchofshieldcrawlingontocradle,280t800mm2000mm,3.3354‘2.25m,3.14m,,500mm,,44(:mm)Fig.4Plansketchoftransversemovingofshield7850mm,,,39m2m16mm,19m1.5m16mm,80t1.7m3.48.5m2.2m16mm(3m,),,1m,,,,80t,,,,,,3.5,3%,CAD,14m230mm,50150mmR750m,54,0.050.1,320t20t,5Fig.5Sketchofstation2crossingofback2upgantries2,80t,,,,,,,,,,,,5,20m,31.2m,10174m,,:[1].[J].,2006,13(1):33-36.[2].[M].:,2005.[3].[J].,2006(4):157-158.[4],,.[J].,2004,(2):25-29.[5],.-[J].,2006,43(1):57-61.452007827