南京长江三桥南引桥造桥机施工技术

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1、西南交通大学硕士学位论文南京长江三桥南引桥造桥机施工技术姓名：张臻申请学位级别：硕士专业：建筑与土木工程指导教师：强士中;杨西忠20070501西南交通大学研究生学位论文第Ⅱ页对桥梁施工有着现实指导意义，同时对同类施工工艺有着珍贵的借鉴意义。关键词混凝土箱梁；造桥机；拼装西南交通大学研究生学位论文第Ⅲ页AbstractAtthepresenttime，thesuperstructure’Sconstructionofbridgecanbeclassifidedintotwogroups：thesupportedframemethodandtheunsupportedframemethod．Th

2、efullframingscaffoldingandportal—typesupportisusuallyadoptedintheconstructionofsupportingmethod．Theunsupportedframeconstructionconsistingoferectionbycableway，cantileverconcreting，prefabricatedconstruction，incrementallaunchingmethodandrotationconstruction．Thesteppingformworkequipmentconstructionisano

3、veltyintoday’Sconstructiontechniques．InComparisonwithotherconstructionmethod，thiSconstructionmethodhastheadvantageofnoneedingfoundationtreatment，requestingsmallerbridgeclearanceandareasandSOon．InthiSthesiS，thesteppingformworkequipmentconstructionWaSemphaticallYintroducedtakingthethirdbridgeofNanjing

4、YangtzeRiverconstructionasthebackground，themainpointsare：(1)Inviewofprobleminconstruction，wecooperatedwiththeZhengzhouDafangBridgeMachineryCompany．Ltdandcompletedthebridge—buildingmachine’Sshapinganddesignandadopedthewholepouredmethodtocarryonconstructioncontinualboxbeam．Aftertheexamination，eachtarg

5、etachievedthedesignrequest，hasobtainedmanytechn0109icalbreakthroughsandthesuccessexperience．(2)Inthisconstructionprocess．successivelycompletedthemachinedesignexamination，themainbodysteelstructureprocessing，thecomponenttransportation，sceneinstalIment西南交通大学研究生学位论文第Ⅳ页andassembling，moldedbugging，theload

6、ingpre—compressionexperiment，depositingconcreteofboxbeam，movingthemoldtoputupcrossingthestage．FinallyhasformedasetofexhaustivesteppingformworkequipmentcOnstructiontechnicalprocess．(3)Inthemoldassemblingprocess，unceasinglyimprovedandoptimizedthemoldassemblingflow，finallyaccomplishedthemulti—channelwo

7、rkingprocedure，andreducedeachboxbeam’sconstructiontime．thusreducedthiswholeconstructiontime．(4)Inthispaper，thetechnicalmeritandtheeconomicefficiencywhichthesteppingformworkequipmentbringswaselaborated