This paper presents a brief review of highwall mining technology, including current status, analysis tools, and design techniques. In addition, it identifies important parameters …
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This comprehensive technical book on highwall mining covers theory and practice coupled with practical examples and design aspects. It contains eight extensive chapters …
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Highwall mining is a relatively new semi-surface and semi-underground coal ... Analysis of accident and injury statistics shows that highwall mining has maintained an
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This paper discusses the applicability of a highwall mining system for recovering plenty of coal left around the end-walls and its appropriate design by means of numerical …
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Ground Control Analysis of Highwall Mining Layouts When designing a highwall mining layout, the mining engineer must specify 1) web pillar width, 2) number of web pillars between barrier …
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Highwall mining is an important coal mining method. Upwards of 60 highwall miners are presently in operation, and they may account for approximately 4% of total U.S. coal …
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The current highwall mining technologies originated in the USA in the mid-1970's. Two types of highwall mining systems have been commonly used: the Auger System which creates …
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Analysis Of Practical Ground Control Issues In Highwall Mining. Advanced Search. ... Highwall mining is an important coal mining method. It appears that upwards of 60 highwall miners are …
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As semi-underground and semi-surface mining methods, the auger and highwall mining methods are used to extract the remaining coal reserve after the economic threshold imposed by the stripping ...
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These are important to ensure that mining is practical given the capabilities of the highwall mining machine (cutting height range, pull-out force versus down-dip angle and …
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The use of highwall mining can bridge the gap that exists between supply and demand in the energy sector. This paper presents a brief review of highwall mining technology, including …
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ESG Mining Company Index: Benchmarking the Future of Sustainable Mining. The ESG Mining Company Index report provides an in-depth evaluation of ESG performance of 61 …
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A highwall is defined as the unexcavated face of exposed overburden and material on an open face or bank. Miners must be concerned with new mine development, as well as normal mining …
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Peer-review under responsibility of the organizing committee of EUROCK 2017 doi: 10.1016/j.proeng.2017.05.296 ScienceDirect Symposium of the International Society for Rock …
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Highwall mining is a method that involves using a continuous highwall miner system (CHM) to extract coal from the remaining coal seams, which has proven to be an effective and safe method for extracting coal after …
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Today, drone-based highwall scanning technology provides operators unprecedented insight into essential geological and geotechnical attributes of mining terrain, including the position of coal …
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The use of highwall mining systems has increased substantially in open-pit coal mines. It is used where overburden depth exceeds economical recovery. ... NIOSH has …
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Because highwall monitoring and analysis are so critical to highwall mining, there's a growing demand for technologies that make it easier and less cost-intensive. At present, Skycatch's …
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Data Collection and Analysis for Design › Data collection ⁄Existing mine infrastructure (utilities, material transport) ⁄Geology: corehole drilling to characterize the rock mass » Lithology, Rock …
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The web pillars and interlayers at different elevations are stable during multi-layer highwall mining. These findings support the feasibility of multi-layer highwall mining for …
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According to the relationship of the numerical analysis, the multi-layer highwall mining. model is an integral model, while the remaining three numerical models are local. The …
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Rocscience Slide3 and RS2 are widely known for their reliable and robust limit equilibrium and finite element slope stability analysis . It comes as no surprise, then, that they were the tools of choice for J.M. Kabuya et. al. in a …
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Two- and three-dimensional elasto-plastic analysis for coal pillar design and its application to highwall mining. Int J Rock Mech Min Sci, 32 (1995), pp. 215-225. View PDF …
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Highwall mining continues to grow in importance as a coal production method from U.S. surface mines. It may account for as much as 4% of the total U.S. coal production, according to one …
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Stability analysis, incorporating LMS theory, complements conventional design techniques of highwall mining panels, where mobilised pillar strength is the sole consideration. …
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Vol. 32, No. 3, pp. 215-225, 1995 Elsevier Science Ltd. Printed in Great Britain O148-9067.(94)00045-X Two- and Three-Dimensional Elasto-Plastic Analysis for Coal Pillar …
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Highwall Mining - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document summarizes highwall mining techniques and analyzes factors that affect stability. It discusses the evolution of auger and highwall …
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The software Analysis of Retreat Mining Pillar Stability (ARMPS) developed by the U.S. Bureau of Mines (Mark and Chase 1997) for Room and Pillar Mining has been extended to Highwall …
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ARMPS-HWM is a modification of Analysis of Retreat Mining Pillar Stability (ARMPS) software for designing web and barrier pillars for Highwall Mining (HWM). ARMPS-HWM calculates stability …
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Highwall stability is the overriding concern in highwall mining. Zipf and Mark (7) discuss the major factors affecting highwall stability, namely, geologic structure (i.e., hill-seams and mud-seams) …
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