Cracking Behaviors and Mechanical Properties of Rock-Like Specimens with Two Unparallel Flaws under Conventional Triaxial Compression

Table 1

Flaw geometries of two unparallel flaws.

Series	Lower flaw inclination angle α1 (°)	Upper flaw inclination angle α2 (°)	Bridging angle β (°)	Bridging length 2b (mm)
1	0	60	60	10, 20, 30, 40
2	30	60	60	10, 20, 30, 40
3	0	60	0, 30, 60, 90, 120	10
4	30	60	0, 30, 60, 90, 120	10