<p>Up to now the investigations developed about the hydraulics of stepped spillways in RCC dams, are focused in analyzing the flow over an uncontrolled spillway. There isn&rsquo;t much information about the behavior of gated stepped spillways. For this reason ...

U.S. Mine Safety and Health Administration (MSHA) accident statistics have identified ore-pass hazards as a significant safety problem in U.S. underground metal mines. The statistics show that nearly 75% of injuries are directly or indirectly related to pulling ...