(a) Compute the intensity of passive earth pressure at a depth of 8m in a cohesionless sand with an angle of internal friction of 30° when water table rises to the ground level. Saturated unit weight of sand is 21 kN/m3; yw = 9.81 kN/m (b) A vertical excavation was made in a clay deposit having unit weight of 22 kN/m3. It caved in after the digging reached 4m depth. Assuming o = 0, calculate the magnitude of cohesion. %3D
(a) Compute the intensity of passive earth pressure at a depth of 8m in a cohesionless sand with an angle of internal friction of 30° when water table rises to the ground level. Saturated unit weight of sand is 21 kN/m3; yw = 9.81 kN/m (b) A vertical excavation was made in a clay deposit having unit weight of 22 kN/m3. It caved in after the digging reached 4m depth. Assuming o = 0, calculate the magnitude of cohesion. %3D
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter3: Natural Soil Deposits And Subsoil Exploration
Section: Chapter Questions
Problem 3.22P
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