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Highwall mining technology—A review of current status and …

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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Highwall Stabilization and Ground Control – Por t a l …

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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Back-Analysis of an Open Pit Mine Highwall …

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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Highwall Mining

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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Highwall mining of thick, steeply dipping coal–a case study …

Highwall stability can be maintained, and highwall mining production optimized by applying design criteria in creative ways, including alternating miner penetration depths and …

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A Framework for Geotechnical Hazard Analysis in Highwall Mining …

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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Vitrinite bringing HW300 Highwall Miner to Australia

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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THE GEOTECHNICAL DESIGN OF THE HIGHWALL …

The highwall mining method was adopted as an alternative method for extracting the remaining No.5 coal seam reserves at the 5 seam operation. There is currently a limited practical …

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Highwall Mining: Design Methodology, Safety …

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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Reasonable coal pillar design and remote control mining …

The use of the local mine stiffness concept can provide added confidence in a highwall mining panel layout design . Web and barrier pillar recommendations for close …

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Highwall Mining | Applicability, Design & Safety | John Loui …

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 technology— A review of current status

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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Deep learning-based image segmentation for highwall …

Current highwall monitoring methods are effective in tracking mass slope movements but often fail to adequately assess the dynamic impact of mining operations on …

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MSHA Instruction Guide Series

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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Highwall Mining in the Heart of Appalachia

Highwall Mining Evolves. From the bridge of the highwall miner, an operator advances a cutterhead, or an unmanned cutter module, into an exposed coal seam. ... "When …

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Stability Evaluation of Highwall Slope in an Opencast …

Singareni Collieries Company Ltd. (SCCL). In this mine, the highwall was monitored visually and using cyclops. The displacement trend obtained from slope monitoring is a representation of …

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Review of Highwall Mining Experience in Australia and …

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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Empirical Approaches for Design of Web Pillars in …

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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Analysis Of Highwall Mining Stability

Analysis Of Highwall Mining Stability - The Effect Of Multiple Seams And Prior Auger Mining On Design 2005. By Newman, David; Zipf, R. Karl. Source: Proceedings of the 24th International …

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Ground Control Design For Highwall Mining

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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CDC

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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Stability of a coal pillar for strip mining based on an elastic …

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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Stability analysis of rib pillars in highwall mining under …

The retained coal in the end slope of an open-pit mine can be mined by the highwall mining techniques. However, the instability mechanism of the reserved rib pillar under …

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Analysis Of Practical Ground Control Issues In Highwall Mining

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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A study of highwall mining panel stability

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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Highwall Mining in India – Part 1: Design Methodology …

Highwall Mining in India ... CIMFR. Although, mining operations at both the sites are successful, performance analysis reveals that ooccurrence of roof fall, breakdown on account of geological ...

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Successfully mining multi-seam highwalls

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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Simulation Research for the Influence of Mining Sequence …

Based on a highwall mining project in Australia, this study adopted the FLAC 3D numerical simulation method to investigate the stability of coal pillars with different mining …

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Analysis of Highwall Mining Stability

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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Analysis Of Practical Ground Control Issues In Highwall Mining …

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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"Analysis of Highwall Mining Stability-The Effect of Multiple …

The objective of this is paper is to review the current state of knowledge and practice in highwall mining (HWM). HWM has become a widely-applied method in surface …

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Stability Analysis of Multi-Layer Highwall Mining: A …

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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Analysis of Highwall Mining Stability

production method, analysis shows that auger and highwall mining appears to be as safe as surface coal mining (6). However, there are geotechnical considerations with highwall mining …

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Slope stability assessment approach for multiple seams Highwall Mining …

To work with greater confidence the slope stability analysis should be performed incorporating the proposed Highwall Mining extractions in the seams. Traditionally slope …

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Web pillar stability in open-pit highwall mining

The LDC100 highwall miner (Han et al. 2014) is used to extract the coal left under the west highwall of the open-pit mine.This is an unmanned mining machine with a production …

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Web pillar design approach for Highwall Mining extraction

Analysis of Highwall Mining stability—the effect of multiple seams and prior Auger mining on design.... Zipf RK, Bhatt SK. Analysis of practical ground control issues in Highwall …

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