Research Article

Optimized Analysis Method for Evaluating the Shear Strength Parameters of Rock Joint Surfaces

Table 2

Joint roughness coefficients (JRC).

Serial numberσn (MPa)Experimental value of σ (MPa)JRC

11.01.079.97
21.1310.88
31.2112.02

41.51.307.17
51.519.97
61.6011.06

72.01.707.41
81.9610.32
92.3013.58

102.52.4611.17
112.6012.39
122.8614.48