The stability of underground workings in the soft rocks of the Coal Measures |
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Authors: | A H Wilson |
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Institution: | (1) National Coal Board, Mining Research and Development Establishment, Burton on Trent, Staffordshire, UK |
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Abstract: | Summary The characteristics of soft rocks typical of the British Coal Measures are defined and a series of working hypotheses are developed to provide improved design methods for underground roadway and face supports and pillars in coal mines. Proposed design equations are tested against case history data. |
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Keywords: | Longwall mining strata control rock mechanics pillars tunnelling |
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