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Comparison Of Predictions And Measurements Of Subsidence Caused By Underground Mining In Northern Appalachia
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Siriwardane, H. J. (1988). Comparison Of Predictions And Measurements Of Subsidence Caused By Underground Mining In Northern Appalachia. Proceedings 7th International Conference on Ground Control in Mining (ICGCM) 7th
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Siriwardane, H. J. (1988). Comparison Of Predictions And Measurements Of Subsidence Caused By Underground Mining In Northern Appalachia. Proceedings 7th International Conference on Ground Control in Mining (ICGCM) 7th
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Organization: International Conference on Ground Control in Mining
Pages: 11
Publication Date:
Jan 1, 1988
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Abstract
Abstract
| This paper presents results from three case studies involving longwall mine panels at which the measured ground movements were compared with the numerical model predictions based on the finite element method. A new approach called the "displacement approach" was used in this study. The general concept of this method is based on the assumption that total roof collapse occurs behind the mine face as it advances. This assumption appears to be true for almost all longwall mining conditions. The prediction based on the numerical model appears to compare well with the measurements. |
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