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2021-6-23 · Yanlong Chen, Qingxiang Cai, Tao Shang, Zhaoxue Che, Mining System for Remaining Coal of Final Highwall, Journal of Mining Science, 2011(SCI) 12. Chen Yanlong, Meng Qingbin, Xu Guang, Wu Haoshuai, Zhang Guimin, Bolt-grouting combined support technology in deep soft rock roadway, International Journal of Mining Science and …

Analysis Of Practical Ground Control Issues In Highwall …

2021-11-8 · Highwall stability is the major ground control related safety concern, and operators are required to develop and follow an appropriate highwall mining ground control plan. The plans usually specify the following geotechnical parameters: hole width, maximum hole depth, maximum overburden depth, seam thickness, web pillar width, barrier pillar ...

Bens Creek Group (AIM:BEN)

2021-12-3 · The single highwall miner and related highwall mining equipment was supplied to the Group by Mega Highwall Mining LLC pursuant to the contract mining services agreement that has been entered into between MHW and the Group, details of which were announced by Bens Creek on 29 October 2021.

Skycatch Blog | Highwall Scanning

 · The Evolution of Data Capture and Analysis for Highwall Mining. Highwall mine analysis has come a long way, but progress didn''t happen overnight. For decades, accurately assessing slope stability and other highwall characteristics... continue reading.

CDC

2001-1-3 · Mining Product: ARMPS-HWM - Analysis of Retreat Mining Pillar Stability - Highwall Mining. 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 factors based on estimates of the loads applied to, and the load ...

Geotechnical Issues on Application of Highwall Mining ...

2015-3-20 · cut coal mines can form the starting point for other mining methods, such as highwall or underground mining. In its basic application, highwall mining is a technique utilized after the open cut portion of a reserve has been mined, sometimes prior to the introduction of underground mining (Seib, 1993).

(PDF) Highwall Mining: Design Methodology, Safety and Suit…

(PDF) Highwall Mining: Design Methodology, Safety and Suitability

Surface Mining Publications

ANALYSIS OF HIGHWALL MINING STABILITY - THE EFFECT OF MULTIPLE SEAMS AND PRIOR AUGER MINING ON DESIGN (2005) Newman D., Zipf R. K. This paper reviews the current state of knowledge and practice in highwall mining. Highwall mining has become a widely applied method in surface mining. It is commonly used alone or in conjunction with contour or ...

Simulation Research for the Influence of Mining Sequence ...

2021-3-30 · Highwall mining, which is referred to the technique of extracting coal from the bottom of an exposed highwall, features safety, efficiency, and economy. According to existing highwall mining methods, the mining sequence has a great influence on highwall stability. Based on a highwall mining project in Australia, this study adopted the FLAC 3D numerical …

SLOPE STABILITY PRISM MONITORING: A GUIDE FOR …

2021-3-26 · mining method and equipment selection considerations. To achieve ... 1.1.9 Analysis of the Review Findings for the Guideline Compilation 12 ... Figure 12 - Cross-section showing face prism configuration for attachment to highwall 108 LIST OF PLATES Plate 1 - Transfer beacon located on elevated platform to allow for line-of-sight into ...

Highwall mining equipment: advanced highwall mining …

@article{osti_5411227, title = {Highwall mining equipment: advanced highwall mining system, preliminary design and analysis. Phase I final report}, author = {Treuhaft, M B}, abstractNote = {For greater recovery of coal from highwalls, SwRI is developing an advanced highwall mining system to demonstrate the ability of a steerable auger cutterhead to remain in the coal seam …

(PDF) Highwall Mining: Design Methodology, Safety and ...

2021-12-6 · Analysis of M SHA accident and injury statistics shows that highwall mining has mai n- tained an admirable safety record. Its fatality and injury rates …

Optimal Design and Monitoring for Highwall Mining

A highwall mining index method is presented to help the decision making process in Chapter 2. Site investigation. If the site is considered likely to be a suitable site for highwall mining, geological and geotechnical investigation in the mining reserve (e.g., drilling, highwall mapping, highwall hazard identification etc.) includes the ...

Highwall mining

2012-3-13 · High Wall Mining Technology • Highwall Mining is a remotely controlled mining method, which extracts coal from the face of a coal seam under a highwall in a surface mine, which has reached the final highwall position due to …

Design Programs for Highwall Mining Operations

2020-10-13 · Highwall mining is a hybrid of surface mining and underground mining methods, and is often the only feasible method to recover the coal reserves in the central Appalachian coalfields due to the steep terrain and the closely spaced multiple thin coal seams.

Coal Mining and the Highwall Method | OilPrice

2010-11-26 · Coal Mining and the Highwall Method. There is an aspect of coal mining that gets relatively little attention, even though it is growing in popularity, It is with this method that I …

Case Study on Stability Analysis of Highwall Mining in ...

2020-12-8 · Case Study on Stability Analysis of Highwall Mining in India by using Combined Finite .. 55 Methodology Layout of High Wall Mining Theoretical Approach Numerical Modelling III. CASE STUDY OF MINE A Mine „A‟ is an open cast mine from south Deccan region of India.

Highwall mining – a new approach in india

2014-6-8 · Ground Control Analysis of Highwall Mining Ground control analysis is the very critical pre-mining activity for High wall mining. This technology is new for India, but very popular in USA and Australia. Till now USA has completed …

(PDF) Critical Review of Current Literature on Highwall …

Critical Review of Current Literature on Highwall Mining. March 2020; DOI:10.13140/RG.2.2.17533.38880

Layout Design And Case Study For Highwall Mining of …

1999-8-25 · Highwall mining is a method used in surface coal mines to extract coal by driving a series of parallel or sub-parallel unsupported entries from the base of the highwall of an open pit mine for a distance of 300–500m by remotely controlled continuous miners. A typical pit to be highwall mined is about 1km in length, with a highwall height of ...

A Framework for Geotechnical Hazard Analysis in Highwall ...

2017-1-1 · Such analysis would provide more insight into designing highwall mining layouts and in predicting possible impending highwall failures, and indirectly facilitates reducing machine downtime for better management of highwall mining operations. © 2017 The Authors.

Application of highwall mining system in weak geological ...

2016-4-29 · Highwall mining systems can sometimes be the final mining method used in open cut mines, or it can serve as a means of transition, with low capital …

Highwall Mining: Applicability, Design & Safety

2019-12-12 · It contains eight extensive chapters elaborating broad-spectrum functionalities of highwall mining and its operational aspects, covering world scenario, economic potential, methods of coal extraction, design methodology including empirical web pillar design, numerical modelling for stress analysis, safety factor for web pillars, panel and ...

Stability Evaluation of Highwall Slope in an Opencast …

2018-3-9 · In this mine, the highwall was monitored visually and using cyclops. The displacement trend obtained from slope monitoring is a representation of the deformation taking place within the pit slope. In this study, slope stability analysis has been performed by using computer program FLAC/SLOPE to assess the effect of groundwater on stress ...

Reasonable coal pillar design and remote control mining ...

2019-4-3 · Highwall mining is a technique to obtain additional coal recovery after the economic strip limit is reached in surface mining. It involves the remote deployment of a continuous miner in openings beneath the final highwall with no …

The Evolution of Data Capture and Analysis for Highwall …

@article{osti_5411227, title = {Highwall mining equipment: advanced highwall mining system, preliminary design and analysis. Phase I final report}, author = {Treuhaft, M B}, abstractNote = {For greater recovery of coal from highwalls, SwRI is developing an advanced highwall mining system to demonstrate the ability of a steerable auger cutterhead to remain in the coal seam …

Developing Safe Mine Re-Entry Plans Using RS2

2021-1-5 · Then, forward-analysis was used to model two scenarios for safe re-entry to resume mining. Open Pit Mine South Highwall. The south highwall of this mine was about 60m high and consisted of interbedded sediments including sandstone, siltstone, shale, mudstone, limestone and conglomerate.

March 7, 2019 Fatality

2019-3-7 · OVERVIEW. On Thursday, March 7, 2019, at approximately 1:30 p.m., Adam P. DeBoard, a 38-year- old front-end loader operator with 10 years of mining experience received fatal injuries when he was crushed between a metal support post on a highwall mining machine and a moving push beam.