A Copula-Based Method for Estimating Shear Strength Parameters of Rock Mass

Table 9

The results of other 9 sets of in situ direct shear tests.

Set number	Rock mass quality indices		Shear strength parameters
		GSI		/MPa
13	4.7	57.8	1.04	1.6
14	5.3	59.6	0.98	2.4
15	6.7	61.5	0.85	2.31
16	25.4	75.8	1.43	2.1
17	6.0	60.3	1.05	3.9
18	7.3	62.1	1.07	2.14
19	14.6	70.2	1.25	2.66
20	23.4	76.3	1.32	2.2
21	33.1	80.3	1.93	1.68