engineering recuitment GATE CE 2023-24 Test Series Soil Mechanics and Foundation Engineering Earth Pressure
A wall of 6 m height retains sand having a unit weight of 20 kN/m3 and an angle of internal friction of 30°. If the surface of the backfill slope upwards at 15° to the horizontal, calculate the active earth pressure coefficient (up to two decimal places) by analytically method.
Enter numerical value using the virtual keypad. Round off where necessary.