Sensitivity Analysis in the Estimation of Mechanical Parameters of Engineering Rock Mass Based on the Hoek–Brown Criterion

Table 8

The sensitivity factors of the MPs and predicted results to the IPs.

	Input parameters
	GSI		D	mi
Elastic modulus (E)	3.05		0.12
Cohesion (c)	0.91	0.36	0.07	0.27
Internal friction angle (φ)	0.35	0.16	0.04	0.18
EDZ	0.20	0.23	0.01	0.01
Displacement	3.66	0.10	0.01	0.05