railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Effective and Neutral Stress
The correct formula for calculating hydraulic gradient is G : specific gravity of soil solids E : void ratio
1
(G - 1) / 1 + e
2
(G + 1) / 1 + e
3
(G - 1) / 1 - e
4
(G + 1) / 1 - e