南水北调中线穿黄隧洞预应力内衬施工关键技术的研究

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1、西安理工大学工程项士专业学位论文nAbstract一———————————————————————————————————————————一Title：KeyConstructionTechnologyResearchonthePrestressedInnerLiningofYellowRiverCrossingTunnelConstrctionofSouth-to．NorthWaterDiversionMiddleRouteProjectMajor：HydraulicEngineeringName：XiaolongWUSupervisor

2、：Prof．JieYANGSeniorengineerFaxiaoLISignature：丕i丝纫型丝Signature：Theprestressedliningmatchestheadvantagesofhighstrength,smallstructuredeformation,goodcrackresistanceandimpermeabilityanddurability．Theeconomicalbenefitisnotablewhenthistechnologywasappliedindeeplyburiedandpressur

3、izedwaterconveyancetunnel．TheYellow-River-crossingconstructionistheiconicanddominantengineeringoftheSouth-NorthWaterDiversionMiddleRouteProject．TheYellow-River．crossingtunnel，asthemajorpartoftheYellow-River-crossingconstruction，simultaneouslyalsoisthethorniestproject．TheYe

4、llow-River-crossingtunnelusesuniquepost-tensionedprestresswithbondlining．Becauseofthecomplexconstructiontechnologyandvarietyofconstructionprograms，wehavemanytechnicalchallengesneedtobeaddressed．ThispaperbasedonthecharacteroftheYellow-River-crossingtunnel，researchedOnsomeke

5、ytechnologyofrapidconstructionoftheprestressedlining．Themaincontentandachievementsofthisarticleareasfellows：(1)Inthispaper,areasonable，opRmizcddesignandorganizationabouttheconstructionproceduresofprestressedconcreteliningwereoffered．(2)Inordertoaddresstheissuesofrapidtrans

6、portationofconcreteandslumploss，thisarticleresearchedanddesignedaquickplacingofconcreteconveyingsystems，andputforwardmeasuresforcontrollingtheconcreteslumplossbyconductingstudyinthemechanismofslumplossofconcrete．(3)Thispaperresearchedonthetransformationandusingtechnologyof

7、theSteeltrolley．(4)ThequalityofconcretingatthelinerbottomandthearchtopisthekeyintheconstructionofprestressedlininginYellow-River-crossingtunnel．InordertomaintaintheIII西安理工大学工程硕士专业学位论文structuralstrengthofanchorropestretchingintheconstruction，inthereservedslotpart,thereinfor

8、cingsteelbarwasarrangeddenselyandtheamountofembeddedpartsWaslarge，whichbroughthighrequire