railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Earth Pressure
If the retaining wall moves away from the backfill, the value of coefficient of Rankine's earth pressure is given by:
1
(1 − sin φ)
2
(1 + sin φ)
3
\(\rm \frac{(1+\sin \phi)}{(1-\sin \phi)}\)
4
\(\rm \frac{(1-\sin \phi)}{(1+\sin \phi)}\)