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Use Of Database In Ground Control To Identify Weightings And Water Inflows
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Xiao, G. C. (1990). Use Of Database In Ground Control To Identify Weightings And Water Inflows. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Xiao, G. C. (1990). Use Of Database In Ground Control To Identify Weightings And Water Inflows. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Organization: International Conference on Ground Control in Mining
Pages: 7
Publication Date:
Jan 1, 1990
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Abstract
Abstract
| A database, incorporating historical data from British mines, to study the factors affecting inflows from proximate aquifers into longwall workings, showed that a main casual factor was the immediate roof strata lithology. When this comprised principally stronger sandstone, there was a tendency for periodic inrushes associated with face weighting. This phenomenon is explained by the collection of water in bed sepa¬ration cavities, where free water connected to a high pressure head aquifer source, may be trapped. |
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