Effect of initial mean effective stress on the behavior is examined by tests under undrained cyclic loading at several initial confining stresses with the same stress rations.

试验初步研究了通过用初始有效平均正应力归一化的有效应力路径，归一化有效应力路径有很好的一致性。

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The explicit model is validated based on undrained cyclic test data. It will be more effective to calculate the long-term settlement of subgrade under traffic loading with the proposed explicit model.

考虑主应力轴偏转角循环加载的饱和软黏土显式模型可更为有效地预测路基长期沉降。

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