A 15 m x 20 m mat foundation shown in Figure P10.7 carries a building load of 36 MN and is placed at 3.0 m depth below the ground level

For the clay layer, the consolidation tests show that pre consolidation pressure at the middle of the clay layer is 210 kN/m². b. Is the clay over consolidated? c. What would be the consolidation settlement beneath the center of the mat?