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Mining Publication: Mistakes, Misconceptions, and Key Points Regarding Secondary Roof Support Systems
Keywords: Mine design Roof fall protection Roof falls Support design and selection
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: August 2001
Authors: TM Barczak
Conference Paper - August 2001
Download PDF Document (3.89 MB)
NIOSHTIC2 Number: 20021251
In: Peng SS, Mark C, Khair AW, eds. Proceedings of the 20th International Conference on Ground Control in Mining. Morgantown, WV: West Virginia University, 2001 Aug; :347-356
Roof support systems are necessary to provide stable mine openings and much research has been conducted to design a variety of roof support systems that will function in various manners to ensure that stable ground conditions are achieved. Despite these advancements in technology, mistakes continue to be made in the evaluation and/or installation that significantly degrade the support capability or lead to erroneous determinations of support expectations. The purpose of this paper is to discuss misconceptions about how roof supports perform and factors that impact their performance. The goal is to present practical information that will assist mine operators and engineers in selecting, installing, and evaluating roof support systems properly, and help them to avoid mistakes that can lead to erroneous expectations and potentially catastrophic results that may lead to roof falls. The paper is limited to a discussion of secondary roof support systems and powered roof supports such as longwall shields.
Image of publication Mistakes, Misconceptions, and Key Points Regarding Secondary Roof Support SystemsConference Paper - August 2001
Download PDF Document (3.89 MB)
NIOSHTIC2 Number: 20021251
In: Peng SS, Mark C, Khair AW, eds. Proceedings of the 20th International Conference on Ground Control in Mining. Morgantown, WV: West Virginia University, 2001 Aug; :347-356
See Also
Development and Application of the Coal Mine Roof Rating (CMRR)
Diagnosing and Controlling Moisture-Sensitive Roof in Coal Mines
The Introduction of Roof Bolting to U.S. Underground Coal Mines (1948-1960): A Cautionary Tale
Optimizing Secondary Roof Support with the NIOSH Support Technology Optimization Program (STOP)
Overview of Coal Mine Ground Control Issues in the Illinois Basin
Performance Characteristics for Welded Wire Screen Used for Surface Control in Underground Coal Mines
Preventing Falls of Ground in Coal Mines With Exceptionally Low-Strength Roof: Two Case Studies
Preventing Injuries Caused by Unrecognized Stone Mine Roof Beam Failures With a Pro-Active Roof Control Plan
Rock Falls
Stability Analysis of a Backfilled Room-and-Pillar Mine
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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