盖挖逆作法施工地铁车站结构变形及其控制

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

31,1Vol31No120101CHINARAILWAYSCIENCEJanuary,2010:10014632(2010)01005907苏洁1,2,张顶立1,高自友2,黄俊1,3,肖丛苗2(1.,1000442.,100044;3.,100010):4,Midas,5,,,,,,;,,,,,,,:;;;:U2314:A:20081020;:20091105:!(2006AA11Z119);(D0604003040221):(1980),,,,,;,!,,,,4,111[1]4331899m,209m,290m,,(),,,12(1),,,(2),,(3)(),,(4),(),,2Midas,1,,1(),2111611227122381334911435101153212(a),,,5!,(1)1!:(2)2!:,,;(3)3!:1,;1,,1,,(4)4!:2,2,1,2,12,(5)5!:3,3,,3,123,222()2(b),,5!,(1)1!:,6031,,,,,(2)2!:,,,,(3)3!:1,1,(),,,,,,(4)4!:2,2,2(),,;2,12,,,2,(5)5!:3,3,3(),;3,3,,,,,,,2312(c),12!,(1)1:2,1,,,2(2)2:3,12,,3,[26],,,5!,,313(1),,;()(2)(),,,,(3),,323(1),;(2),,,,(3),,,,321变形控制标准的确定ANASYS,,(),,3,2,,2,3mm,111,15MPa,,3mm,611,3mm3ANSYS21/mm1/MPa839632423315211322中桩试验,,,1):9300kN,12mm2#,53825m;3,8,,33,39300kN,Q-SS-lgt4(:Q,S,lgt),43P/kN1∀196002∀190003∀2000044Q/kNS/mm/mm0000118940000571967600080780001113258010000149212000184614000221732781600026131800030791960036203620,2)5,,2520,900-080m55,56231,,5/m/kPa/kPa2520~900900~-080∀150∀1409333323过程控制[710],2#,;∃,,,,(1)3,!,,2m(2)3,,,,(3),,,,,,,,(4)(),(),,,(5),,,,,,,(6),,,4,,6,79A4,77,,3mm,,,67A46318()8,()-15~+25mm,()919,1mm,,,,,,,5(1)4,,5!(2),,(3),,,,(4),,(5),!,,,,[1].[R].:,2008.[2],.[C]//.:,2003:541546.[3].![J].,2009(6):7578.(CHENPeng.ApplicationofTwoTunnelBoringProjectsBasedonEnvironmentalFriendlyViews[J].RailwayConstructionTechnology,2009(6):7578.inChinese)[4],,,.[J].,2009,27(1):68.(KONGHeng,WANGBo,DINGZhenming,etal.ApplicationofTimberingSystemwithPrestressedAnchorRopeinTopDownConstruction[J].MunicipalEngineeringTechnology,2009,27(1):68.inChinese)[5],,,.4#[J].,2007,33(2):160165.(LUChuanbao,ZHANGMingju,CAOShuiqun,etal.PreferredConstructionSolutionforXidanStationEngineeringonLine4#ofBeijingSubway[J].JournalofBeijingPolytechnicUniversity,2007,33(2):160165.inChi6431nese).[6].[D].:,2002.(ZENGLingbiao.TheStudyofConstructionTechnologytheMethodCutandCoverfromuptodownofMetroStation[D].Chengdu:SouthwestJiaotongUniversity,2002.inChinese)[7].[J].,2002,23(6):134138.(LIUZhaowei.ConstructionTechnologyforLargeMetroInterchangeStationinUrbanBusyArea[J].ChinaRailwayScience,2002,23(6):134138.inChinese)[8],,.[J].,1998,19(4):6474.(SONGYe,GAOEryang,MADeyun.AReviewofDeepExcavationSupportTechnologyAppliedinStationsofGuangzhouMetroLine1[J].ChinaRailwayScience,1998,19(4):6474.inChinese)[9]ONOJ,MURATAK.ConstructionofaVeryDeepSubwayStationUsingCutandCoverMethodunderHighGroundwaterPressure[J].InternationalJournalofRockMechanicsandMiningSciencesandGeomechanicsAbstracts,1995,32(3):142A143A(1).[10]PAULSONBC,MSCEM.UndergroundTransitStationConstructioninJapan[J].AmericanSocietyofCivilEngineering,JournaloftheConstructionDivision,1982,108(1):2337.StructuralDeformationandControlofSubwayStationConstructedbyCutandCoverReverseMethodSUJie1,2,ZHANGDingli2,GAOZiyou1,HUANGJun1,3,XIAOCongmiao1(1.ResearchCenterofTunnelingandUndergroundEngineering,BeijingJiaotongUniversity,Beijing100044,China;2.SchoolofTrafficandTransportation,BeijingJiaotongUniversity,Beijing100044,China;3.ChinaHighwayPlanningandDesignInstitute(HPDI)Consultants,INC,Beijing100010,China)Abstract:TakingtheconstructionengineeringoftheZooStationofLine4inBeijingMetroforexample,theresearchwasmadeonthedeformationlawsanditscontrolmeasuresofthestationconstructedbycutandcoverreversemethod.StructuraldeformationofthestationduringtheconstructionprocesswassimulatedbyMidasfiniteelementmethod,andthenthemechanicaldynamicresponseofthestratumandstructureinthewholeconstructionprocessbycutandcoverreversemethodwasdividedintofiveunloadingloading!phases.So,basedonthedeformationdistributionmethod,thewholeprocessandstagecontrolmethod!wasputforward.Inpreconstructionstage,accordingtothestresscharacteristicsanddamageformofthestationstructure,structuraldifferentialsettlementcontrolstandardvaluesofthemainconstructionstageweredeterminedbybackanalysis.Atthesametime,kingpilestaticloadandinternalforcetestwerecarriedouttomakeithaveenoughcarryingcapacityandnondeformability.Duringtheconstructionstage,accordingtothestratumcoordinationexcavation,structuralcoordinationconstruction,theconstructionprocesswasoptimized.Pilesinkingtechnologycontrol!andGroutingreinforcement!weresyntheticallyusedandtheinformationmonitoringandfeedbacktechnologywereadoptedtorealizestationstructuralcontrol.ActualmonitoringresultsshowthatallconstructionstagesdifferentialsettlementofZooStationhasbeencontrolledwithintheproperrangetomakethestationstructuresafeandstable.Keywords:Cutandcoverreversemethod;Subwaystation;Structuraldeformation;Deformationcontrol()651

1 / 7
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功