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Technology News 516 - ARMPS-HWM: new software for sizing pillars for highwall mining
The use of highwall mining systems (Figure 1 ) has increased substantially in open-pit coal mines. It is used where overburden depth exceeds economical recovery. Highwall stability remains the major safety concern during highwall mining. The Mine Safety and Health Administration requires highwall mining operators to follow ground control plans that specify the pillar sizes necessary to prevent a pillar collapse that would threaten highwall stability. NIOSH has developed the Analysis of Retreatdoi:10.26616/nioshpub2006128 fatcat:qqmibhzxmzehrkfbqijbkrqqxa