Mining Publication: Coal Rib Response During Bench Mining: A Case Study

Original creation date: January 2018

Authors: M Sears, J Rusnak, M Van Dyke, G Rashed, K Mohamed, M Sloan

Peer Reviewed Journal Article - May 2018

NIOSHTIC2 Number: 20050866

Int J Min Sci Technol 2018 Jan; 28(1):107-113

In 2016, room-and-pillar mining provided nearly 40% of underground coal production in the United States. Over the past decade, rib falls have resulted in 12 fatalities, representing 28% of the ground fall fatalities in U.S. underground coal mines. Nine of these 12 fatalities (75%) have occurred in room-and-pillar mines. The objective of this research is to study the geomechanics of bench room-and-pillar mining and the associated response of high pillar ribs at overburden depths greater than 300 m. This paper provides a definition of the bench technique, the pillar response due to loading, observational data for a case history, a calibrated numerical model of the observed rib response, and application of this calibrated model to a second site.

First page of Coal Rib Response During Bench Mining: A Case Study
Peer Reviewed Journal Article - May 2018

NIOSHTIC2 Number: 20050866

Int J Min Sci Technol 2018 Jan; 28(1):107-113


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