The Deformation, Failure Mechanisms, and Stability Control of the Surrounding Rock of Deep Cross-Measure Roadway: A Case Study

Table 2

Parameters of support components.

Support component	Size; (mm)	Poisson’s ratio; μ	Yielding strength; σs (MPa)	Ultimate strength; σb (MPa)	Elasticity modulus; E (GPa)	Pretension; F (kN)
Bolt	Φ22 × 2,400	0.3	500	700	200	30
Cable	Φ18 × 6,200	0.3	1,500	1,860	195	120
Grouting bolt	Φ32 × 2,500	0.31	400	600	180	35
Grouting bolt	Φ32 × 2,000	0.31	400	600	180	35