土木工程专业设计外文翻译

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1、外文翻译题目：高层建筑学院土木建筑工程学院专业土木工程（建筑工程方向）班级2006级3班学号0603110405姓名赖俊宇指导教师梁新彩二〇一〇年五月19日77TallBuildingsAlthoughtherehavebeenmanyadvancementsinbuildingconstructiontechnologyingeneral,spectacularachievementshavebeenmadeinthedesignandconstructionofultrahigh-risebuildings.Theearlydevelopmentofhigh-risebuild

2、ingsbeganwithstructuralsteelframing.Reinforcedconcreteandstressed-skintubesystemshavesincebeeneconomicallyandcompetitivelyusedinanumberofstructuresforbothresidentialandcommercialpurposes.Thehigh-risebuildingsrangingfrom50to110storiesthatarebeingbuiltallovertheUnitedStatesaretheresultofinnovati

3、onsanddevelopmentofnewstructuralsystems.Greaterheightentailsincreasedcolumnandbeamsizestomakebuildingsmorerigidsothatunderwindloadtheywillnotswaybeyondanacceptablelimit.Excessivelateralswaymaycauseseriousrecurringdamagetopartitions,ceilings,andotherarchitecturaldetails.Inaddition,excessivesway

4、maycausediscomforttotheoccupantsofthebuildingbecauseoftheirperceptionofsuchmotion.Structuralsystemsofreinforcedconcrete,aswellassteel,takefulladvantageoftheinherentpotentialstiffnessofthetotalbuildingandthereforedonotrequireadditionalstiffeningtolimitthesway.Inasteelstructure,forexample,theeco

5、nomycanbedefinedintermsofthetotalaveragequantityofsteelpersquarefootoffloorareaofthebuilding.CurveAinFig.1representstheaverageunitweightofaconventionalframewithincreasingnumbersofstories.CurveBrepresentstheaveragesteelweightiftheframeisprotectedfromalllateralloads.Thegapbetweentheupperboundary

6、andthelowerboundaryrepresentsthepremiumforheightforthetraditionalcolumn-and-beamframe;Structuralengineershavedevelopedstructuralsystemswithaviewtoeliminatingthispremium.Systemsinsteel.Tallbuildingsinsteeldevelopedasaresultofseveraltypesofstructuralinnovations.Theinnovationshavebeenappliedtothe

7、constructionofbothofficeandapartmentbuildings.Frameswithrigidbelttrusses.Inordertotietheexteriorcolumnsofaframestructuretotheinteriorverticaltrusses,asystemofrigidbelttrussesatmid-heightandatthetopofthebuildingmaybeused.Agoodexampleofth