Application of the Slope Coefficient of the Equivalent M–C Criterion in Layered Rock Mass Engineering

<div>Damage of the initial support of the tunnel. (a) Cracking of the left arch foot. (b) Cracking of the sprayed concrete at the right arch shoulder and deformation of the arch.</div>

Advances in Civil Engineering

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Figure 9

Figure 9: Application of the Slope Coefficient of the Equivalent M–C Criterion in Layered Rock Mass Engineering 