railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Seepage Analysis
For piping phenomenon to occur in soils, the most important condition to be satisfied is that the:
1
Specific gravity of soil solids is more than 2.80
2
Voids ratio is more than 2.0
3
Hydraulic gradient is nearly unity
4
Soil is fine grained