Material Weakening of Slip Zone Soils Induced by Water Level Fluctuation in the Ancient Landslides of Three Gorges Reservoir

<table>Variations in the plastic, liquid limit, and plastic index with cycle number.</table>

Advances in Materials Science and Engineering

Figure 10: Material Weakening of Slip Zone Soils Induced by Water Level Fluctuation in the Ancient Landslides of Three Gorges Reservoir 