Mechanical Parameters of Deep-Buried Coal Goaf Rock Mass Based on Optimized GSI Quantitative Analysis

Table 7

Relationship between disturbance factor D and geological strength index (GSI).

GSI	100	90	80	70	60	50	40	30	20	10	0
D	0.010	0.069	0.169	0.312	0.480	0.646	0.785	0.880	0.934	0.960	0.972