Stability Analysis and Reliability Evaluation in Cataclastic Loose Rock Mass Blocks

Table 2

Characteristics of the shear strength and probability distribution of joints.

Structural type	Joints shear strength
	f			c′ (MPa)
	Range	Average value	Standard deviation	Range value	Average value	Standard deviation
Cemented	0.80–0.60	0.68	0.008	0.250–0.100	0.17	0.012
Non-filled	0.70–0.45	0.59	0.012	0.150–0.050	0.12	0.009
Filled with rock and debris	0.55–0.45	0.50	0.010	0.200–0.100	0.16	0.009
Filled with debris and mud	0.45–0.35	0.41	0.008	0.100–0.050	0.09	0.006
Filled with mud and debris	0.35–0.25	0.33	0.008	0.050–0.010	0.035	0.004
Filled with mud	0.25–0.18	0.21	0.009	0.010–0.002	0.009	0.002