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

<table>The strength envelope of the slip zone soil under different numbers of cycle.</table>

Advances in Materials Science and Engineering

Figure 8: Material Weakening of Slip Zone Soils Induced by Water Level Fluctuation in the Ancient Landslides of Three Gorges Reservoir 