Advance And Relieve Mining, A Method To Mitigate The Affects Of High Horizontal Stress On The Mine Roof

Dollnar, D. R.; Mucho, T. P.; Oyler, D. C.; Pablic, J.

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Advance And Relieve Mining, A Method To Mitigate The Affects Of High Horizontal Stress On The Mine Roof

01/01/2001
By Dollnar, D. R. ; Mucho, T. P. ; Oyler, D. C. ; ...
Source: 2001 SME Annual Meeting, February 26-28, 2001, Denver, Colorado, Preprint 01-113. Littleton, CO: Society for Mining, Metallurgy, and Exploration, 2001 Feb; :1-12

[PDF-1.67 MB]

English

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Personal Author:

Dollnar, D. R. ; Mucho, T. P. ; Oyler, D. C. ; Pablic, J.

Dollnar, D. R. ; Mucho, T. P. ; Oyler, D. C. ; Pablic, J. Less -
Corporate Authors:

National Institute for Occupational Safety and Health
Conference Authors:

Society for Mining, Metallurgy, and Exploration (U.S.). Meeting (2001 February 26-28 : Denver, CO)
Description:

At a mine in central PA, high horizontal stresses have caused long running roof falls resulting in hazardous conditions for the miners and the premature abandonment of panels. Because of these conditions, the mine requested assistance of the National Institute for Occupational Safety and Health (NIOSH) in utilizing the 'advance and relieve method to mitigate the affects of horizontal stress on the mine roof. "Advance and relieve" mining involves the removal of a pillar or a portion of a pillar during development, thereby creating a cave along one side of the panel. Following cave development, the horizontal stress is relieved over the workings adjacent to the cave in the active panel. The mine has used this system in three panels with a significant reduction in stress damage and no large roof falls.
Subjects:

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Mining
Source:

2001 SME Annual Meeting, February 26-28, 2001, Denver, Colorado, Preprint 01-113. Littleton, CO: Society for Mining, Metallurgy, and Exploration, 2001 Feb; :1-12
Document Type:

Book Chapter
Genre:

Conference Publications
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

[+]

urn:sha-512:af74d29e074b8da85b6a11c90b5ebfe190b7c135da713fff7057fee4e405b72d47585aaf22ae5c5995fc6ca30854cccc2e69517ce8561b10afd1d3e8a4c75765
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https://stacks.cdc.gov/view/cdc/9666/cdc_9666_DS1.pdf
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Advance And Relieve Mining, A Method To Mitigate The Affects Of High Horizontal Stress On The Mine Roof

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