重庆市轨道交通地下工程结构设计探讨

,():,,,:;;;;;;,;;,,()1,354km1,47km;2,39km;3,60km;4,39km;5,62km;6,60km;:,47km2,,18,19.15km,2.44km,12.76%131,,14,16.5km,100m,;3,,18,,9,20.20km,10.44km,51.7%22.1;,,,;,,2.2,;(),,33.1,,,,,;,,,,3.2,,,(TB10003-2005)520084()7.1.2,3IIIIV,,4,:CDCRDCD;CRD,CDCRD20m,300m2,,,:,;,;,;,;,;,;,;,5,,7.2.1.4:,;,7.2.1-27.2.1-3,;,,,,,,5.1,()H,Hh,H2.5h,H2.5hh,,4.3.3:q=h(1):h=0.452s-1;q-(kN/m2);-(kN/m3);S;,=1+i(B-5);B(m);iB1m:B5mi=0.2;B5mi=0.1(JTGD70-2004)(),,H2.5h,H2.5h;H2.0h,H2.0h5.2,,,,,,,,,,60%80%,,,,,620084:(1),Druker2Prager(D2P)C,()(),,,,,(2)Druker2Prager(D2P),,,,,:ANSYS;Mi2das2GTS;GefFBA5.35.3.1,,;,,,,,40%20%,80%60%;,100%5.3.2(),(1),,;,,(2);,,;,,,:=(2):;;,,,,66.1(1)(2),,(3),,(:+)0.45;320kg/m3,420kg/m3(4),(12%),,(5):8%GNA2P,2.510-46.2(1)(11)72008420%(4),,,,,,(5),(6),,,,,,4(1),,-,(2),,,,,(3),,,,,,,(4),[1].15[J]..1998,28(12).[2],.[J]..2003,36(6).(:2008-11-17)(7)3mm;2mm;2mm1.5mmECB(2)1.5mmECB77.1(1),,,,;,,,,(2),;,,,(3),4.3.3,,7.2,,,,,,,,()34.661.6MPa(4045MPa),25.741.2MPa,0.630.83;8.823.6MPa,5.315.3MPa,0.660.77,,,,,(:2008-09-17)1120084UNDERGROUNDENGINEERINGANDTUNNELS(Quarterly)No.4Dec.2008AbstractsofMainContents(1)InfluenceofTBMConstructiononEnvironmentWangZhenxinAccidentimpairingenvironmenthappensattimesduringTBMconstruction.Experts,nomatterinChinaoroverseas,haveproposedmanyviewpointsonhowtoreducethiskindofrisksandeventoeliminatetheaccidents.CombinedwiththeexperiencefrommetroconstructioninShanghai,itgivestheanalysisontheextentandmechanismofTBMconstructionin2fluencingonenvironmentandbringsforwardtherecommendationonhowtominimizetheimpactonenvironment.(5)UndergroundStructureDesignofChongqingRailTransitChenWenyanXieChendongCombinedwiththeprojectdesigncasesofundergroundstructureofChongqingRailTransit,cutandcovermethodandminedmethodareintroducedfromdesignandconstructionpointsofview.ProposedifferentopiniononthecurrentuseddesigncodeandpossibilityofusingTBMtoconstructtherailtransittunnelinChongqing.(8)Two2dimensionalFEMNumericalSimulationandAnalysisonPrestressedSegmentofShieldTunnelYuNingBaiTinghuiZhuHehuaModeltestismadeforanewtypeliningstructure,i.e.prestressedsegmentofshieldtunnel.ThewholeprocessofFEMcalculationispresented.Two2dimensionalFEMnumericalsimulationwasmadeforthefullringtestwithregardtodif2ferentjointstressmodel.Then,properparameterswereachievedformodelsbasedonthecomparisonoftestresults,whichhaslaidasolidfoundationforthedesignandconstructionofprestressedsegment.(12)WaterproofingTestofLiningjointandCrossPassageofShanghaiYangtzeRiverTunnelLuMingLeiZhenyuZhangYong,etalCombinedwiththewaterproofingrequirementsforliningjointandcrosspassageofShanghaiYangtzeRiverTunnel,aseriesofwaterproofingtestswasdone.Thisarticleintroducesthesetestcontentsandprocessandanalyzesthetestre2sults,whichwillbereferredforthesimilarlargeprojects.(17)CharacteristicsandRulesofNetworkingPassengerFlowinShanghaiRailTransitWangRuluLiSuyingChenGuanghuaTherealizationofnetworkingoperationinshanghairailtransithasbroughtnewscenariosofpassengerflow.Itmakearesearchonnetworkoperation,likehowtomastertheoperationlaw,developpassengerflowpotential,andimprovepas2sengerintensityandinvestmentreturn.Theresultswillbebeneficialtotheothercitieswherearebuildingrailtransitpro2jects.(21)ArchitecturalDesignFeaturesofStationofShanghaiRailTransitLine5YangHaiWithregardstotheenvironmentalongShanghaiRailTransitLine5andcharacteristicsoflightrailtransitstation,thearchitecturaldesignfeaturesofstationofthefirstelevatedlightrailtransitlineinChinaareintroduced.Discussionismadeontheseveralaspectsincludinghowtoimprovestationfunctionandcontrolengineeringscale,adoptwhatkindofdesignmethodandarchitecturestyle,andharmonizewithenvironmentandcontrolinvestmentetc.(24)StressandDeformationAnalysisofDushuLakeTunnelMainStructureWangTingZhouZhengkangXuYugui,etalThisarticleintroducesthestressanddeformationregulationofthemainstructureofDushuLaketunnelbearingthewater2soilpressureloadandunevensettlement.Throughcomparisonofthesitedataandresultsfromthetheorycalcula2tionof3DFEManalysis,thepossibleweaknessintunnelseepageisfound,whichprovidesascientificbasisfortunnelmaintenance.(28)IntegratedArchitectureLayoutofShanghaiEast2WestUnderpassEngineeringandRailTransitLine14WangShizhongShanghaiEast2westUnderpassEngineeringsharesacorridorwithRailTransitLine14underPudongAvenue,wherethesurroundingenvironmentiscomplicated.Howtoproperlyarrangethespaceisthekeyforthisengineering.According7620084