Compute the critical hydraulic gradients for the following materials: (a) Coarse gravel, k=10 cm / sec , G_{s}=2.67, e=0.65 \text { (b) sandy silt, } k=10^{-6} cm / sec , G_{s}=2.67, e=0.80
Compute the critical hydraulic gradients for the following materials: (a) Coarse gravel, k=10 cm / sec , G_{s}=2.67, e=0.65 \text { (b) sandy silt, } k=10^{-6} cm / sec , G_{s}=2.67, e=0.80