engineering recuitment NHPC JE & THDC JE 2023 Mock Test Soil Mechanics and Foundation Engineering Seepage Analysis
The critical hydraulic gradient observed for sand boiling condition is given by:
1
\(i_c = \dfrac{G-1}{1+e}\)
2
\(i_c = \dfrac{G+1}{1-e}\)
3
\(i_c = \dfrac{G-1}{1-e}\)
4
\(i_c = \dfrac{G+1}{1+e}\)