The increasing use of diesel-powered equipment in confined spaces (underground mines) has the potential to over expose underground miners under the threat of di
Design of rib support systems in U.S. coal mines is based primarily on local practices and experience. A better understanding of current rib support practices i
A numerical tool, called Hydro-Geosphere, was used to simulate unsaturated water flow and contaminants migration around an open pit filled with mining wastes. N
Dynamic failures, or ‘‘bumps', remain an imperative safety concern in underground coal mining, despite significant advancements in engineering controls. T
The shear behavior of a single rock joint in limestone specimens,under a constant normal load(CNL),was analyzed in this study.Test specimens with different aspe