engineering recuitment NHPC JE & THDC JE 2023 Mock Test Soil Mechanics and Foundation Engineering Shear Strength
In an undrained tri-axial test on a saturated clay, the Poisson’s ratio is
1
\(\frac{{{\sigma _3}}}{{{\sigma _1} + {\sigma _3}\;}}\)
2
\(\frac{{{\sigma _3}}}{{{\sigma _1} - {\sigma _3}\;}}\)
3
\(\frac{{{\sigma _1} - {\sigma _3}}}{{{\sigma _3}\;}}\)
4
\(\frac{{{\sigma _1} + {\sigma _3}}}{{{\sigma _3}\;}}\)