ORMAS V1.0: Online Rock Mass Strength
by Roozbeh Geraili Mikola, PhD, PE, based on Generalized Hoek-Brown Criterion

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Unit:
Input Parameters:
Hoek-Brown Criterion:
HB Eq
Rock Mass Parameters:
Events:
Input Parameters
intact uni. comp. strength (sigci)=
GSI= mi= Disturbance factor (D)=
intact modulus (Ei)=
Hoek-Brown Criterion
mb= s= a=
Mohr-Coulomb Fit
cohesion(c)= friction angle(phi)=
Rock Mass Parameters
tensile strength=
uni. comp. strength=
global strength=
modulus of deformation=
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