Mathematical Problems in Engineering / 2015 / Article / Tab 3

Research Article

Collapsed Shape of Shallow Unlined Tunnels Based on Functional Catastrophe Theory

Table 3

Hoek-Brown and equivalent Mohr-Coulomb parameters (Hoek and Brown [30]).

Hoek-Brown MPa MPa kN/m3

Equivalent Mohr-Coulomb MPa° kN/m3

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