For the slope shown in the figure below, which of the following statements apply (select all that are correct): A.Cracks observed at the surface behind the crest are generally due to tension stresses that develop in cohesionless soils (coarse-grained soils). B.Tension cracks only develop if the soil is fully saturated near the ground surface. C.The presence of water in the crack alone tends to increase the shear stress developed along the slip surface shown in the figure above, while reducing the effective stress component normal to the slip surface. D.When calculating the FoS against the slip surface shown above, the soil shear resistance along the crack should be omitted whether the crack is filled with water or not.
For the slope shown in the figure below, which of the following statements apply (select all that are correct):
A.Cracks observed at the surface behind the crest are generally due to tension stresses that develop in cohesionless soils (coarse-grained soils).
B.Tension cracks only develop if the soil is fully saturated near the ground surface.
C.The presence of water in the crack alone tends to increase the shear stress developed along the slip surface shown in the figure above, while reducing the effective stress component normal to the slip surface.
D.When calculating the FoS against the slip surface shown above, the soil shear resistance along the crack should be omitted whether the crack is filled with water or not.
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