Practical design methods for barrier pillars.
Koehler JR; Tadolini SC
Denver, CO: U.S. Department of the Interior, Bureau of Mines, IC 9427, 1995 Jan; :1-19
Effective barrier pillar design is essential for safe and productive underground coal mining. This U.S. Bureau of Mines report presents an overview of available barrier pillar design methodologies that incorporate sound engineering principles while remaining practical for everyday usage. Nomographs and examples are presented to assist in the determination of proper barrier pillar sizing. Additionally, performance evaluation techniques and criteria are included to assist in determining the effectiveness of selected barrier pillar configurations.
Mining-industry; Underground-mining; Underground-miners; Coal-mining; Coal-miners; Mine-seals; Mine-workers; Engineering-controls
NTIS Accession No.
Denver, CO: U.S. Department of the Interior, Bureau of Mines, IC 9427