Experimental Study on the Mechanical Properties and Seepage Characteristics of Red Sandstone with a Single Persistent Joint under Triaxial Compression

Table 4

Parameters of the peak strength corresponding to the linear M-C criterion.

Joint angles		(MPa)	(MPa)	(°)
Intact	7.47	86.51	15.83	49.81	0.991
0°	6.40	70.30	13.89	46.86	0.980
30°	6.74	69.89	13.46	47.87	0.908
45°	5.03	37.51	8.36	41.94	0.990
90°	7.91	61.08	10.86	50.85	0.969