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10/1/2008 - Peer reviewed journal articlesThis paper gives the results of 4 case studies concerning the interaction between polyurethane (PUR) and coal mine roof in order to determine the mechanism of reinforcement, in both highly fractured rock and unfractured rock.
5/1/2008 - Reports of InvestigationsThis paper presents the results of the full-scale test of a composite polyurethane-aggregate seal in a hydrostatic chamber conducted by NIOSH, and provides an analysis of those results in terms of the structural behavior of the seal.
8/1/2004 - Conference papersPolyurethane injection is a proven method of rock stabilization in even the weakest, most broken ground. Optimization of the injection design by pre-injection video diagnostics can greatly contribute to successful and efficient roof stabilization.