The initiation of secondary cracks in compression

By A. Bobet. 2000

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Numerical Simulation of Crack Growth and Coalescence in Rock-Like Materials Containing Multiple Pre-existing Flaws (2015, methodology): “However, Bobet and Einstein (1998), Bobet (2000), Tang et al. (2001), and Yang et al. (2012) only simulated coplanar or quasi-coplanar secondary cracks and oblique secondary cracks, but did not simulate out-of-plane tensile and shear cracks.”
Cracking Processes in Rock-Like Material Containing a Single Flaw Under Uniaxial Compression: A Numerical Study Based on Parallel Bonded-Particle Model Approach (2011, background): “This flaw inclinationdependent aspect of the first crack initiation position was frequently ignored, especially in the numerical simulations (Bobet 2000; Li et al. 2005; Nematnasser and Horii 1982) in which straight crack segments were commonly assumed to initiate from the flaw tips and propagate…”
An experimental and numerical study of fracture coalescence in pre-cracked specimens under uniaxial compression (2011, background): “a (Degree) Wong and Chau (1998) Sagong and Bobet (2002) Wong and Einstein (2008a)”
Strength failure and crack coalescence behavior of brittle sandstone samples containing a single fissure under uniaxial compression (2011, background): “ Bobet (2000) and Bobet and Einstein (1998) have investigated the 2-D cracks”