Research Article

Experimental Study of the Mechanical Characteristics of a Rock-Like Material Containing a Preexisting Fissure under Loading and Unloading Triaxial Compression

Figure 11

Failure modes of rock-like specimens with preexisting fissures under type I (a) and II (b) tests. ①, ②, and ③ represent wing cracks, antiwing cracks, and tensile cracks, respectively.
(a)
(b)