Influence of Hydraulic Properties on the Stability of Unsaturated Slopes under Transient Seepage Conditions
The soil moisture characteristic curve model has important theoretical significance and engineering application value for slope stability analysis under transient unsaturated seepage conditions.The soil moisture characteristic curves of different soils from high plasticity clay to silty sand are determined by hydraulic property tests,and it is concluded that soil texture has a greater influence on the performance of the soil moisture characteristic curve model;through numerical calculation,it is concluded that the soil moisture characteristic curve models of VG,K and FX are more representative of the soil moisture characteristic curves of the studied soil samples than the soil moisture characteristic curve models of BC and E,and the choice of soil moisture characteristic curve model has a greater influence on the stability analysis of slopes under transient unsaturated seepage conditions.The choice of soil moisture characteristic curve model has an important influence on the predictability of slope stability analysis under transient seepage conditions.
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