A Method for Estimating the Surface Roughness of Rock Discontinuities

Table 3

Results of the shear tests and roughness estimations for the eleven discontinuity specimens.

Specimens	σ (MPa)	τ (MPa)	JRC
	0.48	0.92	14.02	0.82
	0.83	1.03	10.21	0.71
	0.93	0.68	2.94	0.51
	1.96	1.66	5.80	0.66
	3.06	3.19	10.69	0.76
	3.11	2.57	6.15	0.75
	0.50	0.46	10.65	0.81
	1.61	1.09	8.22	0.64
	3.07	2.45	14.65	0.94
	3.40	3.48	22.15	1.32
	3.75	2.16	7.23	0.58