4. A smooth vertical wall 4 m high is pushed against an overconsolidated clay (19 kN/m',...

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4. A smooth vertical wall 4 m high is pushed against an overconsolidated clay (19 kN/m', c 3 kPa, -30°, and average su120 kPa). The water table is 1 m below the ground surface. The surface of the overconsolidated clay carries a uniform load of 25 kPa. Using the Rankine theory calculate the resultant force against the wall and the distance from the base of the wall to the resultant force. 4. A smooth vertical wall 4 m high is pushed against an overconsolidated clay (19 kN/m', c 3 kPa, -30°, and average su120 kPa). The water table is 1 m below the ground surface. The surface of the overconsolidated clay carries a uniform load of 25 kPa. Using the Rankine theory calculate the resultant force against the wall and the distance from the base of the wall to the resultant force.