求解释放荷载过狴中引入虚拟刚度概念，用以摸拟拉伸硬化效应。
For solving the unbalanced loads, the concept of the virtual rigidity is introduced to take account of the tension stiffening effect.
求解释放荷载过狴中引入虚拟刚度概念，用以摸拟拉伸硬化效应。
For solving the unbalanced loads, the concept of the virtual rigidity is introduced to take account of the tension stiffening effect.
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