1

Shear stress are zero

2

${\sigma }_v={\sigma }_1$

3

${\sigma }_H={\sigma }_3$

4

${\sigma }_H=K_0{\sigma }_1$

5

$K_0=1-\sin \phi$ (Normally consolodated)

6

$K_0=\left(1-\sin \phi \right)OC{R}^{-1/2}$

7

$OCR={{\sigma }^{\prime }}_{vp}/{{\sigma }^{\prime }}_v$

8

$K_0=v/\left(1-v\right)$