thames barrier 泰晤士水闸防洪问题研究

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1、ThamesBarrier泰晤士水闸防洪问题研究-->ThamesBarrierFloodABSTRACTThisisapaperregardingtheThamesBarrier.IamtryingtopresentareportonThamesBarrieresforfloodcontrol.Itarkableconstruction.Afteritsconstructionit1983onesdefensively.TillMarch19th,2008ithasgotnopetitorinitsovablefloodbarriertheThamesBarrierstan

2、dsgoingtopresentsomeoftheimportantthingsrelatedtothisgreatconstruction.EXECUTIVESUMMARYTheThamesBarrierlocatedinthedoofcentralLondon,UnitedKingdom.Itisamagnificentlyega-structureoftheovingupfromtheseaalltheseexceptionallyhightidesareexacerbatedbyastormsurge.TheThamesBarrierisraisedforthedur

3、ationofthehightideinordertopreventitfromgettinginsidethecity.AsforthedealingsesBarriercanbeopenedandassuchitreleaseesandingeneralcircumstancesbacksupbehindit.ThefunctionalityofthisThamesBarrierisveryuniqueandisofgreatusetothepeopleofLondon.Ithasbeenbuiltacrossa523metreandtnavigablespans.Alo

4、ngallernon-navigablechannelsbetents.Hugeinstructureandazingbarrierrankingitselfinthesecondposition.THEREPORTINTRODUCTIONTheThamesBarrierisformearemarkableconstructionandes.InthispaperIamgoingtoexploreallthoseaspectsofthisbarrierthathasmadeitalsotryingtofindouthoentandtheengineersandthecontr

5、actorsarealsomyconcern.AsthepaperproceedsIdiscovercertainthingsthatneedsomekindofdiscussionandthusthetargetofmypaper.TheThamesBarriertookaspanoftenyearstogetconstructed.ItitthedamagesthatcausebytheseasonalfloodofLondon.Itisatthe1oosofdisasters.Thereareofcoursesomeamountsofvaria-->tionstooan

6、dthatisainobjectiveofthispaperis.Theconstructionisnotonlyuniquebutisveryinnovativeamongitscontemporaries.Itisthekindoffloodgatesthatgetsacrosstheopeningsinverystylishcircularsegmentsincrosssection.Theengineeringofitisalsoveryremarkableandtheoperationthushasbeenconstructedinaverycircularandr

7、otatingmanner.Thethehorizontalsillontheriverbedandassuchthereistheappearanceofasteelandconcretebarriertocheckthetidallevelsandaplete180degreerotationformaintenanceoftheakesashieldof40mmthicknessandthegatesfillerged.Itthenletitgoemptyastheergesfromtherive