Parameter

Dry density (gr/cm3)

Saturated density (gr/cm3)

Internal friction angel

Cohesion (Mpa)

Sandstone

2.60

2.64

64

0.60

Limestone

2.62

2.53

46

1.5

Shale

2.43

2.45

22

1.30

Sandy Gravel

1.92

1.94

40

0