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<p>The goal of this paper is, to examine the validity of tributary area method, which is used as an empirical mean to estimate pillar dimensions, in room and pillar mines, taking into consideration a safety factor. A two-dimensional, linear elastic, finite ...
Reference: Journal of Engineering Sciences, Assiut University, Faculty of Engineering, Vol. 43, No. 2, March 2015, PP. 253 – 262
<p>Nowadays mining industry is experiencing many changes. One of the many developments, looming on the horizon, having potential to change the fundamental nature of mining as it is practiced today: automation. Automation in mining industry would be useful ...
Reference: IRACST – Engineering Science and Technology: An International Journal (ESTIJ), ISSN: 2250-3498, Vol.3, No.3, June 2013
<p>For guidance on relationships between caving depth and surface subsidence, a comprehensive database was developed after an exhaustive search of published data from cave mining operations from around the world. The distribution of data was found to largely ...
Reference: International Journal of Rock Mechanics & Mining Sciences 61 (2013) 31–42
Many states allow construction of landfills over previously mined areas. However, mitigation of the underground mines by filling or removal is often required prior to landfill construction. A settlement analysis for the proposed vertical expansion of a residual ...
Reference: Proceedings of Specialty Conference GeoFlorida 2010: Advances in Analysis, Modeling and Design, ASCE, Orlando, FL, March, 2010, pp. 244-253.
Underground stone mines in the United States make use of the room-and-pillar method of mining. A prerequisite for a safe working environment is that the pillars should adequately support the overburden and the pillar ribs and rooms should remain stable during ...
Reference: 27th International Conference on Ground Control in Mining
Moisture deterioration of clay-rich roof rocks causes high numbers of roof falls in coal mines in humid summer months. Rocks with high moisture content are generally weaker and can further deteriorate when subjected to wetting and drying cycles. As a result, ...
Reference: 2009 SME Annual Meeting and Exhibit, February 22-25, Denver, Colorado
<p>The Department of Mining Engineering at Queen&rsquo;s University conducted a study of backfill practices in underground mines across Canada to assess the current state of backfill usage and to overview potential hazards associated with backfill practice, ...
Reference: ROCKENG09: Proceedings of the 3rd CANUS Rock Mechanics Symposium, Toronto, May 2009 (Ed: M.Diederichs and G. Grasselli)
Current advances in roof support automation require a fast and effective skin reinforcement of underground mine roadways. To satisfy these needs a strong and tough fibre reinforced polymeric alternative is emerging as a logical substitute to the old steel ...
Reference: Aziz, N (ed), Coal 2009: Coal Operators' Conference, University of Wollongong & the Australasian Institute of Mining and Metallurgy, 2009
<p>While mining the approved stope sequence in the 100/900 ore bodies at the North Mine in Sudbury Basin of Vale Inco Ltd and following a crown blast in one of the stopes in 100 orebody in a sill pillar area, several major seismic events, with the highest ...
Reference: ROCKENG09: Proceedings of the 3rd CANUS Rock Mechanics Symposium, Toronto, May 2009
<p>An independent panel of experts was appointed in December 2006, jointly by the NSW Minister for Planning and the Minister for Primary Industries &amp; Energy to review the current status and future implications for underground coal mining in the Southern ...
Reference: 2009 Coal Operators’ Conference