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Stability Of Interpanel-Pillar And Deformation Of Gateroad Due To Longwall Mining
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Matsui, K. (1990). Stability Of Interpanel-Pillar And Deformation Of Gateroad Due To Longwall Mining. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Matsui, K. (1990). Stability Of Interpanel-Pillar And Deformation Of Gateroad Due To Longwall Mining. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Organization: International Conference on Ground Control in Mining
Pages: 9
Publication Date:
Jan 1, 1990
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Abstract
Abstract
| Retreat longwall method with re-use of gateroad has been traditionally employed in Japan, mainly because of the advantage of higher recovery. But the Miike Colliery has newly introduced the interpanel-pillar system to maximize the production efficiency. The Department of Mining, Kyushu University, in cooperation with the Miike Colliery and the Coal Mining Research Center (CMRC), has conducted research into the optimum design of interpanel-pillar, because this system may be adopted in other coal mines as well. Field measurements of the deformation of the gateroads and of stress distribution in the pillar show that the designed layout of the panel and pillar and the supporting system are proper from the viewpoints of gateroad maintenance and spontaneous combustion in the pillar. |
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