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1、中文4735字毕业设计外文翻译题目跨越世纪之桥专业土木工程（桥梁）2011年6月ABridgeForAllCenturiesAnextremelylong-andrecordsetting-mainspanwasdesignedforthesecondbridgetoacrossthePanamaCanalinordertomeettheowner’srequirementthatnopiersbeplacedinthewater.Becausenodisruptionofcanaltrafficwaspermittedatanytime,thecable-stayedbr
2、idgeofcast-in-placecancretewascarefullyconstructedusingthebalanced-cantilevermethod.In1962,theBridgeofAmericas(PuentedelasAmerica)openedtotraffic,servingastheonlyfixedlinkacrossthePanamaCanal.Thebridgewasdesignedtocarry60,000vehiclesperdayonfourlanes,butithasbeenoperatingaboveitscapacityfo
3、rmanyyears.Toalleviatebottlenecksontheroutethatthebridgecarriesoverthecanal-thePan-AmericanHighway(Inter-AmericanHighway)-andpromotegrowthonthewesternsideofPanama,thecountry’sMinistryofPublicWorks(MinisteriodeObrasPublicas,orMOP)decidedtobuildanewhighwaysystermlinkingthenorthernpartofPanam
4、aCity,ontheeasternsideofthecanal,tothetownofArraijan,locatedonthewesternsideofthecanal.TheCentennialBridge–namedtocommemorate100yearsofPanamanianindependence-hasnoebeenconstructedand,whenopend,willcarrysixlanesoftraffic.Thiscable-stayedbridgeofcast-in-placecancretefeaturesamainspanof420m,t
5、helongestsuchspanforthistypeofbridgeintheWesternHemisphere.In200theMOPinvitedinternationalbridgedesignfirmstocompeteforthedesignofthecrossing,requestingatwo-packageproposal:onetechinical,theotherfinancial.AtotalofeightproposalswerereceivedbyDecember2000fromestablishedbridgedesignfirmsallov
6、ertheworld.Aftershort-listingthreefirmsonthebasisofthetechnicalmeritsoftheirproposals,theMOPselectedT.Y.LinInternational,ofSanFrancisco,topreparethebridgedesignandprovidefieldconstructionsupportbasedonthefirm’sfinancialpackage.TheCentennialBridgedesigeprocesswasuniqueandaggressive,incorpor
7、atingconceptsfromthetraditionaldesign/build/bidmethod,thedesign/buildmethod,andthesa-calledfast-trackdesignprocess.Tocompletetheconstructionontime-thatis,withinjust27months-thedesignofthebridgewascarriedouttoalevelof30percentbeforeconstructionbiddingbegan,inDe
