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Mining Publication: The Long-term Performance of Surface Support Liners for Ground Control in an Underground Limestone Mine
Keywords: Ground control Limestone Shotcrete Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: August 2003
Authors: DM Pappas, TM Barton, ES Weiss
Conference Paper - August 2003
Download PDF Document (0.55 MB)
NIOSHTIC2 Number: 20023583
In: Hadjigeorgiou J, ed. Proceedings of the Third International Seminar on Surface Support Liners: Thin Spray-On Liners, Shotcrete, and Mesh (Quebec City, Canada, August 25-26, 2003). Section 10, 2003 Aug; :1-22
During the past few years, the Pittsburgh Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) has been evaluating developments with surface support liners which includes shotcrete and thin spray-on liners (also referred to as sealants, coatings and membranes) from a ground control perspective. The proper selection and use of a surface support material can significantly enhance ground control which may result in a decrease in worker related injuries due to ground falls. The purpose of this paper is to evaluate the preliminary findings of a long-term underground study of various types of surface support liners, and to examine installation practices that are critical for an effective liner material application. The underground study utilizes NIOSH’s Lake Lynn Laboratory Experimental Mine to evaluate the long-term performance of several types of shotcrete and thin spray-on liner materials. Liner material performance to date was evaluated on a regular basis over a three year period. Although the study is still ongoing, critical mining practices were identified that may seriously affect the bond of the liner material to the mine roof and rib.
Image of publication The Long-term Performance of Surface Support Liners for Ground Control in an Underground Limestone MineConference Paper - August 2003
Download PDF Document (0.55 MB)
NIOSHTIC2 Number: 20023583
In: Hadjigeorgiou J, ed. Proceedings of the Third International Seminar on Surface Support Liners: Thin Spray-On Liners, Shotcrete, and Mesh (Quebec City, Canada, August 25-26, 2003). Section 10, 2003 Aug; :1-22
See Also
Developments in Sealant Support Systems for Ground Control
Roof and Rib Hazard Assessment for Underground Stone Mines
Roof Monitoring in Limestone - Experience with the Roof Monitoring Safety System (RMSS)
Roof Screening for Underground Coal Mines: Recent Developments
Shotcrete Design and Installation Compliance Testing: Early Strength, Load Capacity,Toughness, Adhesion Strength, and Applied Quality
Stability Mapping to Examine Ground Failure Risk: A Field Study at a Limestone Mine
Technology News 434 - An 'Insulating' Shotcrete for Heat Abatement in Deep Mines
Technology News 526 - Proceedings of the International Workshop on Rock Mass Classification in Underground Mining
Technology News 542 - Field Use Round Determinate Panel Test System
Variation of Horizontal Stresses and Strains in Mines in Bedded Deposits in the Eastern and Midwestern United States
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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