叠加的通用计算方法抗弯强度的钢骨混凝土组合梁.pdf
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THEUNIVERSALSUPERPOSITIONMETHOD FORCALCULATINGBENDINGSTRENGTH OFCONCRETEENCASEDCOMPOSITEBEAM LiShaoquanandShaZhenping DepartmentofCivilEngineering,XiamenUniversity,Xiamen,P.R.China ABSTRACT Basedonthelowerlimitprincipleofplastictheory,theaxialforcecanbearbitrarilygiventothesteel andthereinforcedconcreteaccordingtobalancecondition,andthebendingstrengthofrelativeparts canbecalculated.Themaximumsumvalueofbendingstrengthonthesteelandthereinforced concreteistheconcreteencasedcompositebeambendingstrength.Inthispaper,theformulasofthe universalsuperpositionmethodarederived.Asaresult,theuniversalsuperpositionisnolongerin needofpilotcalculation.Itisshownthattheresultsareingoodagreementwiththeaccuracymethod. Theaccuracymethodisbasedontheplanesectionassumption.Therefore,thebendingstren
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