The yield conditions of axisymmetric circular plate and shallow spherical shell of reinforced concrete based on Twinshear stress yieldcriterion are presented in the paper.
导出了基于双剪屈服准则的钢筋混凝土球扁壳的屈服条件，并利用此屈服条件求解出其极限荷载。
2
Two aspects of the yield limits and the slip directions for materials in the twin-shear unified yieldcriterion are analyzed in this paper.
对双剪统一屈服准则所表征的材料屈服极限和滑移面方向特性作了分析。
3
In this paper the formula of work of plastic deformation and the 3-dimensions figure of Twinshear stress yieldcriterion in the plane stress condition are derived.