engineering recuitment GATE CE 2023-24 Test Series Soil Mechanics and Foundation Engineering Earth Pressure
An unsupported excavation is made to a maximum possible depth of clay soil having (Unit weight = 18 kN/m3) , c = 50 kN/m2, ϕ = 30°. The active earth pressure at the base level of excavation is ____ kN/m2.
Enter numerical value using the virtual keypad. Round off where necessary.