【摘 要】
：
通过对弹塑性调整系数α规范值、按弹塑性薄板理论和弹性薄膜理论确定的值，以及有限元计算和实验研究结果的全面分析，提出四边固支钢面板的极限承载力应按承受弯应力、剪应力和
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通过对弹塑性调整系数α规范值、按弹塑性薄板理论和弹性薄膜理论确定的值，以及有限元计算和实验研究结果的全面分析，提出四边固支钢面板的极限承载力应按承受弯应力、剪应力和中曲面内应力的大挠度中等刚度板的屈服模式确定。在确定弹塑性调整系数。合理值时，应考虑材料的强度储备和结构的极限承载力两个方面，从而求出更切合实际的弹塑性调整系数α的理论值，此值可供设计和修订规范时参考。
Based on the normalized value of elastic-plastic adjustment coefficient α, the value determined by the theory of elastic-plastic sheet and the theory of elastic thin film, and the comprehensive analysis of the results of finite element analysis and experimental research, the ultimate bearing capacity of four- , Shear stress and the mid-surface stress large deflection medium stiffness plate yield mode to determine. In determining the elastic-plastic adjustment factor. Reasonable value, should consider the strength of the material reserves and the ultimate bearing capacity of the structure in order to find more realistic elastic-plastic adjustment coefficient α theoretical value, this value can be used for reference when designing and revising the specification.
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