資源描述：
《重慶菜園壩大橋的主橋設(shè)計》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、DesignoftheMainSpansoftheChongqingCaiyanbaBridge重慶菜園壩大橋的主橋設(shè)計Man-ChungTANGChairmanandTechnicalDirectorT.Y.LinInternationalSanFrancisco,CA,USAAmemberofUSNationalAcademyofEngineeringandaforeignmemberofChineseAcademyofEngineering.ReceivedDr.-Ing.in1955andhasbeend
2、esigningbridgesor40years.HeistheTechnicalDirectoroftheCaiyuanbaBridgeproject.JohnSUNAssociateT.Y.LinInternationalSanFrancisco,CA,USATechnicalDirectorT.Y.LinInternational(Chongqing)Bornin1963,hereceivedPh.DfromUniversityofCaliforniaatSanDiego,directedthedesign
3、ofseveralmajorbridgesandhaswrittenanumberoftechnicalpapers,.HeistheChiefEngineerfortheCaiyuanbaBridgeproject.125SummaryThenewCaiyuanbaBridgeovertheYangtzeRiverinChongqingwillcarrysixlanesofhighwayandtwopedestrianwalkwaysonitsupperdeckaswellastwotracksofmonora
4、ilsonitslowerdeck.Itwillserveasoneofthetransportationbackbonesforthisever-expandingcity,connectingthetwobusiestbusinessdistrictsofthecity:YuzhongandNanan.Becausethebridgeislocatedatthecenterofthecityandisvisiblefrommostpartsofthecity,aestheticsisaveryimportan
5、tmatter.Aftercarefulstudyofthelocation,aslendertied-archwasselectedtocarrythedoublelevelbridgegirderovertheYangtzeRiver.Uponcompletion,its420-mspanwillbetheworld’slongesttied-archspanforcombinedrailandhighwaytraffic.Thesidespansare102meterslong.Keywords:Bridg
6、e,Longspanbridge,ArchBridge1.IntroductionThemightyYangtzeanditstributarytothenorth,theJialingRiverdividethemetropolitanChongqingintothreeparts,asshownintheprojectlocationmapinFigure1.TheCaiyuanbaYangtzeRiverBridgeisakeyprojectconnectingsegmentsofthenewlyplann
7、edsouth-northcorridor.Located1.2kilometersupstreamfromtheexisting“ChongqingFirstYangtzeRiverCrossing,”whichwasbuiltin1978,theCaiyuanbaYangtzeRiverBridgeissituatedintheheartofthetown,andwillbeavitaltransportationlinkforcityofChongqing.Thecrossingistocarrysixla
8、nesofhighwayonitsupperdeckandtwolanesofmonorailsonitslowerdeck.Theprojectconsistsofasignaturetied-archwiththerecordspanof420meters,andthesouthandnorthapproaches–theSujiabaInterchangesconn
