高层建筑与钢结构外文文献翻译中英文

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1、高层建筑与钢结构外文文献翻译（含：英文原文及中文译文）文献出处：StructuralEngineerJournaloftheInstitutionofStructuralEngineer,2014,92,pp:26・29.英文原文TallingbuildingandSteelconstructionCollinsMarkAlthoughtherehavebeenmanyadvancementsinbuildingconstructiontechnologyingeneral.Spectacularachievementsha

2、vebeenmadeinthedesignandconstructionofultrahigh-risebuildings・Theearlydevelopmentofhigh-risebuildingsbeganwithstructuralsteelfraing.Reinforcedconcreteandstressed-skintubesystemshavesincebeeneconomicallyandcompetitivelyusedinanumberofstructuresforbothresidentialandc

3、ommercialpurposes.Thehigh-risebuildingsrangingfrom50to110storiesthatarebeingbuiltallovertheUnitedStatesaretheresultofinnovationsanddevelopmentofnewstructuralsystems.Greaterheightentailsincreasedcolumnandbeamsizestomakebuildingsmorerigidsothatunderwindloadtheywillno

4、tswaybeyondanacceptablelimit・Excessivelateralswaymaycauseseriousrecurringdamagetopartitions,ceilings,andotherarchitecturaldetails.Inaddition,excessiveswaymaycausediscomforttotheoccupantsofthebuildingbecausetheirperceptionofsuchmotion.Structuralsystemsofreinforcedco

5、ncrete,aswellassteel,takefulladvantageofinherentpotentialstiffnessofthetotalbuildingandthereforerequireadditionalstiffeningtolimitthesway.Inasteelstructure,forexample,theeconomycanbedefinedintermsofthetotalaveragequantityofsteelpersquarefootoffloorareaofthebuilding

6、.CurveAinFig.1representstheaverageunitweightofaconventionalframewithincreasingnumbersofstories・CurveBrepresentstheaveragesteelweightiftheframeisprotectedfromalllateralloads.Thegapbetweentheupperboundaryandthelowerboundaryrepresentsthepremiumforheightforthetradition

7、alcolumn-and・beamframe・Structuralengineershavedevelopedstructuralsystemswithaviewtoeliminatingthispremium.Systemsinsteel・Tallbuildingsinsteeldevelopedasaresultofseveraltypesofstructuralinnovations・Theinnovationshavebeenappliedtotheconstructionofbothofficeandapartme

8、ntbuildings・Framewithrigidbelttrusses・Inordertotietheexteriorcolumnsofaframestructuretotheinteriorverticaltrusses,asystemofrigidbelttrussesatmid-