本文针对Tsai-Wu张量失效准则对层合板的最大承载能力预测显得保守的缺点,运用刚度退化原理,提出了预测层合板最大承载能力的独立承载原理。作者认为,Tsair-Wu张量准则不能准确预测层合板的最大承载能力;仅用刚度退化的方法来处理也不能完全解决Tsai-Wu准则结果保守的缺点。实验结果表明,用本文方法来进行层合板的最大承载能力预测是有效的。 In this paper, Tsai-Wu tensor failure criteria for the maximum load bearing capacity of the laminate is conservative, and using the principle of stiffness degradation, proposed an independent bearing principle for predicting the maximum load capacity of the laminate. The author believes that the Tsair-Wu Tensor criterion can not accurately predict the maximum load-bearing capacity of the laminate; only using the method of stiffness degradation can not completely solve the shortcomings of conservative Tsai-Wu criteria. The experimental results show that it is effective to predict the maximum bearing capacity of the laminate by this method.