Crack Initiation, Propagation, and Failure Characteristics of Jointed Rock or Rock-Like Specimens: A Review

<div>(a) Specimen modeled with UDEC including fictitious and preexisting (nonpersistent) joints with <i>β</i> = 30°. (b) Geometrical parameters of the nonpersistent joints and direction of the principal stresses [<a href="/journals/ace/2019/6975751/#B178">178</a>].</div>

Advances in Civil Engineering

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Figure 31

Figure 31: Crack Initiation, Propagation, and Failure Characteristics of Jointed Rock or Rock-Like Specimens: A Review 