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

Table 1

Convergence values of partial section displacements of Gonghe Tunnel.

Monitoring sections	Line a (mm)	Line b (mm)	Line c (mm)	Vault subsidence value (mm)
K41 + 450	70.06	50.86	40.52	30.06
K41 + 480	134.34	115.78	81.95	72.62
K41 + 500	139.20	95.21	65.18	45.71
K41 + 540	112.90	102.21	76.06	69.06
K41 + 570	107.26	93.61	66.13	59.22