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By Jerzy Kicki, Eugeniusz Sobczyk

The overseas Mining discussion board is a ordinary occasion, hosted through the college of technological know-how and expertise in Cracow, Poland, bringing jointly a world workforce of scientists, together with these operating in rock mechanics and machine engineering in addition to mining engineers. the subjects are wide-ranging, together with papers on distant sensing to evaluate basic effect; therapy of sealed-off coal mine fires; sustainable improvement in mine closure; and tracking of usual dangers and issues of safety.

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Read or Download Technical, Technological and Economical Aspects of Thin-Seams Coal Mining, International Mining Forum, 2007: Proceedings of the Eighth International Mining Forum 2007 Cracow - Szczyrk - Wieliczka, Poland, February 2007 PDF

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Another major requirement is that the contact between wall rock and the ore zone be relatively sharp without any abrupt changes in either strike or dip along the stope interval. A typical shrinkage stope is illustrated in Figure 4. Figure 4. Shrinkage stoping [4] 28 Copyright © 2007 Taylor & Francis Group plc, London, UK The stope is mined by drilling short holes (usually 2,4 meters) along the length of the vein and blasting the ore down, or by a series of short horizontal holes, commonly called breasting.

7] Paraszczak J. Planeta S. and Szymanski J. 1998: Technologies for Hard Rock Excavation without the Use of Explosives in Canadian Mining. Proc. School of Underground Mining ‘98 (text in Polish with English abstract), Szczyrk, Poland, 23–27 February, pp. 121–137. , Planeta S. and Hughes C. 1993: Potential Implementation of Armoured Flexible Conveyors in Inclined Room-and-Pillar Mining. Proceedings of the 2nd International Symposium on Mine Mechanization and Automation, Almgren G. et al. ), Lulea, Sweden, June 7–10, pp.

This is definitely not an easy task, since majority of the methods to mine narrow veins represent a low level of mechanization and are labour intensive. Since man-labour in Canada is expensive, the application of such methods affects adversely production costs and, consequently, profits. More advanced mechanization is undoubtedly one of the best avenues to improve productivity. Unfortunately, the application of modern and highly productive equipment in the conditions of narrow-vein mining encounters serious technological and operational obstacles.

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