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1、外文参考文献ThermalStressAnalysisofAHydraulicaqueductPrestressedG.P.HarrisonandH.W.Whittington[Abstract]LargescaleaqueductisadoptedasaoptionalplanforthecrossingyellowriverstructureoftheprojectoftransferringwaterfromtheSouthtotheNorth.Prestressedreinforcedconcretestructureisthebestchoice.Th
2、edesignedaqueductspanis50m.Self-weightoftheupperpartofthestructureforonespanis15.93MN,andcorrespondingweightofthewaterinonespanis19.85MN.Thestressineverypartofthestructurevarieslargely.Astheprojectislocatedintheareathathaslargetemperaturevariation,thethermalstressproducedinthestructu
3、rebythevariationofthesurroundingtemperatureisabigproblem.Inthispaper,thethermalstressintheaqueductisstudiedforallpossibleconditions,andsuggestionstoguaranteethesafetyoftheaqueductunderpossiblelargetemperaturevariationismade.[Keyword]hydraulicaqueduct;prestressedreinforcedconcrete;the
4、rmalstress;1PrefaceSouth-NorthWaterDiversioncentrelinewearHuangaqueductengineeringdesignadoptonepairoftroughstopasswater,thetopstructureoftheaqueductselectstheUaqueductforuse,itis4mtocrosswatersectioninteriorradiusofunderpartsemicircle,thetopofthesemicircletroughisthestraightwallandw
5、ingreasonboard,design5.13mofdepthofwater,theclearwidth8moftheaqueductinthetrough.Theminimumthickmiddlepartofwallofsectionis0.35m,thetipis0.5m,is0.85mthatthepositionpartofthebaseplateisthickennedinstepping,thick1.35moftip.Thetroughcarriessection0.5m*0.5mofthecrossbeam,interval5m.Tall7
6、.45moftrough,singletotalwide9moftrough,horizontaltotalwide19mofpairoftroughs,troughminimumandnetfrom1m.ThetopgradeofintensityofstructureconcreteisC50.Moundcaplevelmeasurementis19.0m*5.0m,thickness2.8m.Moundcaphavehorizontalantidetonationblocklumpandcushionstone,horizontaltoblockpiece
7、assigninbothsides,moundofcap.CombiningtheUaqueducttipstructurepattern,blockoneandadopttheladder-shapedsection,theheightis1.10m;Itisthecylindricaltroughmoundof2.8mthatthebodyofmoundofbothsidesoftheaqueductadopts2piecesofdiameter,adopttheroundmoundofshapeentityofendinthemiddle,theradiu
8、s1.4mofveryb