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Mohr - Coulomb

The shear strength τ [kPa] according to Mohr-Coulomb is given by the equation:

where:

N

-

normal force acting on the slip surface

l

-

length of the slip surface

c

-

cohesion of rock on the slip surface

φ

-

angle of internal friction of rock on the slip surface

Approximate ranges of parameters of the Mohr-Coulomb failure criterion for selected soils are given here.

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