CONSTANTS

\(m_b\):

\(s\):

\(a\):

ROCK MASS MODULUS

\(Erm\): N/mm²

\(Erma\): N/mm²

STRESSES

Major stress (\(σ_1\)): N/mm²

Minor stress (\(σ_3\)): N/mm²

Tensile strength (\(σ_t\)): N/mm²