A geotechnical engineer is evaluating the stability of the slope in Figure 13.4. This evaluation is...

 

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A geotechnical engineer is evaluating the stability of the slope in Figure 13.4. This evaluation is considering the potential for a shear failure along the shear surface shown. The soil has O' = 30° and no cohesive strength. Compute the shear strength at Point A along this surface when the groundwater table is at level B, then compute the new shear strength if it rose to level C. The unit weight of the soil is 120 lb/ft'above the groundwater table and 123 lb/ft below. 714 ft 12 ft 20 f Potential shear surface A geotechnical engineer is evaluating the stability of the slope in Figure 13.4. This evaluation is considering the potential for a shear failure along the shear surface shown. The soil has O' = 30° and no cohesive strength. Compute the shear strength at Point A along this surface when the groundwater table is at level B, then compute the new shear strength if it rose to level C. The unit weight of the soil is 120 lb/ft'above the groundwater table and 123 lb/ft below. 714 ft 12 ft 20 f Potential shear surface

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