- Mining types and methods:
- Stone mining
Results 1 - 10 of 48
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10/29/2018 - PC softwareSoftware for stone mine pillar design.
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This document presents the results of research conducted by NIOSH in cooperation with participating underground stone mines to develop generally applicable guidelines for designing stable pillars and roof spans in stone mines.
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1/1/2011 - Peer reviewed journal articlesStone mines in the eastern and midwestern United States use the room-and-pillar method of mining to extract relatively flat-laying sedimentary formations. A survey of pillar performance was carried out to identify potential modes of instability.
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7/1/2010 - Conference papersIn this paper, the findings of a survey of roof span stability issues and design practices are presented, and the observed factors contributing to roof instability are discussed.
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11/1/2000 - Peer reviewed journal articlesThe Roof Monitoring Safety System (RMSS) is described, compared to other roof-monitoring technology, and described in context with proactive ground control plans for stone mines.
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1/1/2000 - Conference papersThis paper outlines the evolution of the RMSS and how it can be used in a comprehensive, proactive ground control safety program. A case history describes the RMSS being used to evaluate a mechanical impact sealing machine at a limestone mine.
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8/1/1998 - Conference papersA design technique is presented which provides stone miners with a method for making stability assessments. The consequences of widening rooms, changing geology and horizontal stresses, and different rock bolts on roof beam failure are discussed.
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8/1/1998 - Technology NewsThe Roof Monitoring Safety System (RMSS) provides a safer, simple, and inexpensive means for measuring roof movement; its use in underground stone mines is described.
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3/30/2023 - Research projectsA project investigating massive ground collapses and ways to reduce the potential for collapse events.
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2/23/2023 - Contracts and cooperative agreementsA capacity-building contract with Virginia Tech University on ground control research to improve safety performance in underground stone and other large-opening mines.