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对拉压性能不同材料的桁架进行了极限分析 .证明材料的拉压性能不同对桁架结构承载能力的影响是很明显的 .所获得的反映材料拉压性能不同的极限荷载公式可供工程设计人员参考
The limit analysis of the truss with different materials of tension and compression properties is carried out. It is evident that the different tensile and compressive properties of the material affect the load carrying capacity of the truss structure. The ultimate load formula which can reflect the tensile properties of the material is available to engineering designers reference