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1、河北工程大学毕业设计外文资料原文：ThermalStressAnalysisofAHydraulicPrestressed[Abstract]LargescaleaqueductisadoptedasaoptionalplanforthecrossingyellowriverstructureoftheprojectoftransferringwaterfromtheSouthtotheNorth.Prestressedreinforcedconcretestructureisthebestcho
2、ice.Thedesignedaqueductspanis50m.Self-weightoftheupperpartofthestructureforonespanis15.93MN,andcorrespondingweightofthewaterinonespanis19.85MN.Thestressineverypartofthestructurevarieslargely.Astheprojectislocatedintheareathathaslargetemperaturevariati
3、on,thethermalstressproducedinthestructurebythevariationofthesurroundingtemperatureisabigproblem.Inthispaper,thethermalstressintheaqueductisstudiedforallpossibleconditions,andsuggestionstoguaranteethesafetyoftheaqueductunderpossiblelargetemperaturevari
4、ationismade.[Keyword]hydraulicaqueduct；prestressedreinforcedconcrete；thermalstress；1prefaceSouth-NorthWaterDiversioncentrelinewearHuangaqueductengineeringdesignadoptonepairoftroughstopasswater,thetopstructureoftheaqueductselectstheUaqueductforuse,itis
5、4mtocrosswatersectioninteriorradiusofunderpartsemicircle,thetopofthesemicircletroughisthestraightwallandwingreasonboard,design5.13mofdepthofwater,theclearwidth8moftheaqueductinthetrough.Theminimumthickmiddlepartofwallofsectionis0.35m,thetipis0.5m,is0.
6、85mthatthepositionpartofthebaseplateisthickennedinstepping,thick1.35moftip.Thetroughcarriessection0.5m*0.5mofthecrossbeam,interval5m.Tall7.45moftrough,singletotalwide9m72河北工程大学毕业设计oftrough,horizontaltotalwide19mofpairoftroughs,troughminimumandnetfrom1
7、m.ThetopgradeofintensityofstructureconcreteisC50.Moundcaplevelmeasurementis19.0m*5.0m,thickness2.8m.Moundcaphavehorizontalantidetonationblocklumpandcushionstone,horizontaltoblockpieceassigninbothsides,moundofcap.CombiningtheUaqueducttipstructurepatter
8、n,blockoneandadopttheladder-shapedsection,theheightis1.10m;Itisthecylindricaltroughmoundof2.8mthatthebodyofmoundofbothsidesoftheaqueductadopts2piecesofdiameter,adopttheroundmoundofshapeentityofendinthemiddle,theradius1.4mofverybeginningofmound
