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。
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.
研究表明，荷载瞬时作用后，地基中有明显的有效应力变化，这是地基产生初始沉降的原因。
From the analysis, it is found that the changing of the effective stress in the ground results in the immediate settlement.
如果保持相同的剪应力比，由初始有效平均正应力归一化的有效应力路径不受初始有效平均正应力的影响。
The results indicate that the stress path is not affected by changing the initial effective mean stress if the shear stress ratio remains the same.
随初始含水量的增大，总应力指标始终小于相应的有效应力指标；
With the increase of initial moisture content, total stress indices are always smaller than corresponding effective stress indices.
随初始含水量的增大，总应力指标始终小于相应的有效应力指标；
With the increase of initial moisture content, total stress indices are always smaller than corresponding effective stress indices.
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