Building_the_British_Airway_London_eye.pdf

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1、BuildingtheBritishAirwaysProceedingsofICECivilEngineering144May2001LondonEyePages60–72Paper12496KeywordsA.P.Mann,N.ThompsonandM.SmitsSteelstructures;contracting;managementLondon’sspectacularnew£75millionobservationwheel,theBritishAirwaysLondonEye,wasbuiltinjust16monthsinaconfineds

2、iteonthebanksoftheriverThames.Despiteminorsetbacksduringconstruction,itfirstturnedasplannedatthebeginningofthenewmillenniumandhas‘flown’3·2millionpassengersuptoanaltitudeof135minitsfirstyearofoperation.Thispaperdescribestheprocurement,manufactureandconstructionoftheuniquestructure

3、,whichhasbecomeaAllanMannnewinternationalbenchmarkforobservationwheels.Thechallengesfacingthemulti-nationalprojectteamandhowtheseindependentcheckingwereovercomewithinademandingprogrammeareexplained,engineerwithBabtieAllott&LomaxtogetherwithadetaileddescriptionoftheEye’sfabrication

4、andfinalerection.Norecentstructurehascapturedthepublic’simaginationmoresuccessfullythantheBritishAirwaysLondonEye.Acclaimforthe£75milliondesignhasbeenuniversalforitspurposeisclear:toNeilThompsondelightandprovidespectacularviews.designmanagerPublicdemandfor‘flights’hasconse-withMac

5、eLtdquentlybeenoverwhelming,with3·2millionpassengerscarriedinitsfirstyearofoperationagainstanoriginalforecastof2·2million.TheEye’sengineeringdesignwasatechnicalchallenge1but,withapro-grammethatrequireddeliveryinjust16months,thechallengesofprocurementandconstructionwereevenmoredema

6、ndingandthesearethefocusofCheilSmitsthispaper.projectmanagerwithHollandiaBVMotorisedpassengercapsulesbreaknewgroundFig.1.The135mhighBritishAirwaysFigures1and3showstheEye’smainLondonEyeonthesouthbankoftherivercomponentsandanaccompanyingThamesinfrontofLondon’sCountyHallscheduleofkey

7、dataisgiveninTable1.Understandingthesecomponentsisessentialbackgroundtothestoryofconstruction.columnsaround65mlongarrangedasThecapsules,ovalisedandaerody-aninclinedA-frame.namicallyshapedtoreducedrag,areThecolumnsarehingedattheirbasesoneoftheEye’smoststrikingfeatures.intolargecast

8、ingssupportedinturnonUnlikegondol