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Reducing the risk of ground falls during pillar recovery.

Authors
Mark-C; Chase-FE; Pappas-DM
Source
Trans Soc Min Metal Explor 2003 Dec; 314:153-160
NIOSHTIC No.
20026085
Abstract
Pillar recovery has been associated with nearly one-third of roof fall fatalities in underground coal mines during the past decade. Safe pillar recovery requires global stability and local stability. Global stability is addressed primarily through pillar design. The local stability risk factors include cut sequence, the final pillar stump, supplemental supports (timbers versus mobile roof supports), roof bolting, and many others. The National Institute for Occupational Safety and Health evaluated each of these factors through field research and analysis of accident statistics. This paper discusses design methods and technologies that have been transferred to the mining community and implemented.
Keywords
Coal-mining; Underground-mining; Ground-control; Ground-stability; Rock-falls; Mining-industry; Safety-research; Risk-factors; Rock-mechanics; Hazards; Geology
Contact
NIOSH Pittsburgh Research Laboratory, P.O. Box 18070, Pittsburgh, PA 15236
CODEN
TMENAE
Publication Date
20031201
Document Type
Journal Article
Editors
Yernberg-WR
Fiscal Year
2004
NTIS Accession No.
NTIS Price
ISSN
1075-8623
NIOSH Division
PRL
Source Name
Transactions of the Society for Mining, Metallurgy, and Exploration
State
PA
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