Extracted text: • A clay layer 22m thick drains on both top and bottom sides. The clay has a saturated density of 21kN/m³ , coefficient of consolidation of 1.8m?/yr and m, of 0.2MPa1. The clay carries a 280kPa load. Find the total pore water pressure at a point 5 meters below the top of the clay layer after 30% consolidation settlement.