Micromechanics-based Models for Fracture and Breakout Around the Mine-by Tunnel Article Sidebar PDF Published: Sep 20, 1996 Main Article Content P.A. Cundall Itasca Consulting Group D.O. Potyondy Itasca Consulting Group C.A. Lee Itasca Consulting Group Abstract No abstract available. Article Details Issue 1996: Proceedings of the Excavation Disturbed Zone Workshop Section Articles