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Plant & Equipment - the ADDCAR Group

Plant & Equipment. ADDCAR's plant and equipment is managed by the ADDCAR Engineering Team in NSW, QLD and Kentucky, USA and is utilised internally to support ADDCAR operational projects as well as direct client buy/hire. ADDCAR's highwall mining fleet includes a full suite of equipment: Broad Bench Highwall System. Narrow Bench Highwall System.

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Surface Mining Methods and Equipment - EOLSS

Highwall mining is a coal mining method for recovery of outcropped coal by mechanical excavation without removal of overburden. A continuous miner with single or multiple ... underground mining equipment is specialized and expensive. A number of surface mines operate 24 …

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Feasibility of high recovery highwall mining equipment ...

@article{osti_6859514, title = {Feasibility of high recovery highwall mining equipment. Final report}, author = {}, abstractNote = {Three equipment systems exhibited significant promise: the RSV Miner, a surface longwall using standard underground equipment, and the variable angle auger. Other equipment systems showing considerable merit were the surface shortwall, and the two extended depth ...

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Mega Highwall Mining LLC | MINExpo Directory

Mega Highwall Mining was founded in 2015. We provide contract mining services operating both ADDCAR and Superior/ highwall mining systems. We also operate two fabrication shops, allowing us to rebuild and upgrade existing machines.

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Extraction and Characterization of Mining Highwalls from a ...

Figure 1. Auger mining against a highwall. Augering equipment rests on a flat bench cut onto the hillside at the elevation where coal outcrops at the surface. Photo courtesy of West ia Office of Miners' Health Safety &Training. The Surface Mining Control and Reclamation Act (SMCRA) of 1977 provided a mechanism for

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Fatal Fall of Highwall - MSHA

Fatal Fall of Highwall July 18, 2006 Smith Branch No. 1 Hendrickson Equipment, Inc. Mallie, Knott County, Kentucky ID No. 15-18917 Accident Investigators Robert J. Newberry Mining Engineer Lee Ann Shinavski Civil Engineer Donald T. Kirkwood Supervisory Civil Engineer Originating Office Mine Safety and Health Administration District 6

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Mike Collett - Foreman - Contract Highwall Mining | LinkedIn

About. Over 30 years experience in construction and mining. Started as a brick mason in the family business. Then went to Mining specialized in Highwall Mining. I began on the old Metec miners. Im ...

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Mega Highwall Mining LLC - Home | Facebook

Mega Highwall Mining LLC, Ashland, Kentucky. 833 likes · 26 talking about this. Operates both ADDCAR and Superior highwall mining systems. Maintains first-class safety, productivity, and availability.

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US8857916B2 - Highwall mining equipment retrieval and ...

A highwall mining equipment extraction and retrieval apparatus and method is disclosed. It includes remotely operable hydraulic cylinders fixed to the mining head and stabilizing arms which brace the mining platform against the face of a mine. Wire ropes extend from hydraulic cylinders, through channels in the pushbeams, through lockable blocks fixed to the mining platform, and onto storage ...

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Highwall Miners Selection Guide: Types, Features ...

Highwall miners link underground and surface mining operations by extracting coal from exposed horizontal seams in open-pit mines. This is done via a mobile system that contains a continuous miner controlled from the operator's cabin, a retractable conveyance system, …

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Application of highwall mining system in weak geological ...

Apr 29, 2016· In this system, the coal seam is mined by remotely operated equipment, such as an auger machine or a modified continuous miner incorporated into a highwall mining system (Fig. 1). Major issues of highwall mining systems are less coal recovery due to leaving coal as the pillars and the instability of openings and highwalls due to the pillar and ...

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Position Sensing Hydraulics In Highwall Mining Equipment ...

Jul 26, 2017· To drill directly into the "high walls" left by surface mining in an economic way, requires specialized equipment. Highwall mining is actually a hybrid of surface and underground mining technologies. It is a people-free, low footprint mining process which uses high power hydraulic cylinders as part of a Pushbeam Transfer System.

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MNM Serious Accident Alert Surface - Highwall | Mine ...

Immediately remove all personnel exposed to hazardous ground conditions, barricade and post signs to prevent entry, and promptly correct unsafe conditions. Use mining methods that ensure highwall and bank stability and safe working conditions. Avoid undercutting and/or over steepening of the highwall or bank slope.

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Highwall Hazard Awareness and Risk Assessment

Equipment in unsafe operating condition Not using explosives properly (shooting hard, not decking, wrong delay patterns). Lack of information (training, maps). Unsafe work practices (highwall dumping, working near bad wall, activity between equipment and the wall/bank, undercutting). Clutter and Housekeeping on benches.

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® HW300 Highwall Mining System -- Product Video - YouTube

Aug 01, 2013· Linking underground and surface mining operations, the ® Highwall Mining System is a testament to versatile mining equipment. The HW300 offers a safe ...

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Highwall Mining Equipment- EXODUS Mining machine

Mining equipment highwall miners hydraulic mining shovels large dozers large wheel dozers large wheel loaders mining trucks drills draglines crushingscreening new power systems portable generators trail king trailers light towers and air compressors work tool attachments rentals heavy rental equipment heavy equipment. More Details

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Position Sensing Hydraulics In Highwall Mining Equipment

Jul 25, 2017· Mining and earth-moving operations around the globe have inspired some of the largest, most powerful machines ever designed and built by man. These machines involve millions of parts and sub-assemblies and can weigh on the order of close to 500,000… Continue reading Position Sensing Hydraulics In Highwall Mining Equipment

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Analysis of Highwall Mining Stability - The Effect of ...

Auger and highwall mining are safe and productive surface coal mining methods provided that proper geotechnical engineering is conducted. Failure to properly engineer web and barrier pillars can result in highwall failure, trapped highwall mining equipment, and significant economic impact as most of the equipment lies under the highwall.

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Highwall mining - SlideShare

Feb 17, 2013· The mobility ofthe highwall mining equipment makes it easy to move around apit, from pit to pit or from mine to mine. 6. Advantage of Highwall MiningAPPLICABILITY : Because it operates by remote control, highwallmining equipment can work in thin seams without having to cutstone to make height for people to move around, or it canselectively ...

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Heavy Mobile Equipment | Mining Data Online

Mining Intelligence for market research. Major mines and projects.

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Eagle Highwall Mining, LLC | Contour Highwall ...

Affiliated Companies – Eagle Highwall Mining, LLC Formed in December 2010 to contract highwall mine coal for Viking Acquisitions, LLC in Pike and Floyd Counties Kentucky with the #12 machine. Specifications: Organized: 12/2010 Organized to remove coal by the highwall mining methods for various companies. Companies mined for: Blackstone Coal Company Viking Acquisitions, LLC Operates […]

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Highwall Miners - Highwall Mining, Superior Highwall Miners

Commonwealth Mining LLC is a Highwall Mining Services Co. that has Operated Highwall Miners in Ohio, West ia, Kentucky, Alabama and ia. We have provided consulting for Highwall Mining Operations in Australia and India as well as currently providing consulting …

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Jim Argabrite - Owner - Professional Highwall Mining ...

20+ year track record of success in mining industry sales. Extensive experience appraising heavy equipment, including Highwall Mining machines.

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Design Programs for Highwall Mining Operations

highwall mining will be a dominant method for extracting the high-value coal resources in the Appalachian coalfields. By far, the greatest ground control safety concerns in highwall mining operations are rock falls from the highwall and mining equipment entrapment underground.

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3 Types of Highwall Mining Technology Making the Industry ...

Jan 21, 2021· Similarly, as heavy equipment and extraction techniques have evolved over the years, so, too, have information-capturing techniques and technologies. Highwall mining, in particular, has come a long way, and modern mining operations are reaping the benefits with new mining solutions.

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Home - the ADDCAR Group

Plant & Equipment. The ADDCAR Group is an international highwall mining (HWM) specialist based in Australia and Ashland Kentucky, USA with over 25 years experience operating HWM systems in the coalfields of Australia, USA, South Africa and India. ADDCAR have produced in excess of 100Mt of coal and is the leader in maximising resource recovery ...

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

The highwall mining method is a relatively new semi-surface and semi-underground coal. mining method that evolved from auger mining. In a highwall mining operation, the coal seam. is penetrated by ...

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Highwall Safety | Highwall Regulations | Mining Safety Topics

Highwall stability is essential for open-cut mining.In these particular projects, otherwise known as open-pit mining, employs a technique in which rock and minerals are extracted from a borrow pit, or sandbox.For long-term highwall performance, the substance properties that makeup mining sites—or more specifically, the rocks and minerals found within the borrow—should be carefully examined ...

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Highwall Miner Pennsylvania | CB Mining

Highwall mining is an efficient, proven and durable method for mining coal from exposed horizontal seams — producing an average of 110 000 tonnes (120,000 tons) of coal per month in coal seams up to 300 m (1,000 ft) in seams dipping up to 8 degrees — recovering up to 70 percent of in-place coal.

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Highwall mining - SlideShare

Mar 13, 2012· 2. 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 uneconomic stripping ratios Or due …

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ADDCAR Highwall Mining Systems - YouTube

Jun 01, 2012· ADDCAR's push/pull technology and cascading conveyor cars maximizes through put volume and decreases fines. Only ADDCAR systems offer navigational capabiliti...

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Ground Control Design For Highwall Mining

The highwall mining equipment dictates the hole width which varies from 2.7 to 3.6 m (9 to 12 ft). In situ vertical stress depends on the overlying rock density and overburden depth. Vertical stress gradient is typically 0.025 MPa/m (1.1 psi/ft). Overburden depth may be taken as the maximum overburden depth on a highwall ...

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Surface and Highwall Mining Equipment Archives - Mining ...

Mining news and in-depth feature articles on the latest mining company deals and projects covering trends in mineral exploration with up to date data on the most mined metal and mineral commodities. Receive our newsletter Sign up to our e-Newsletter here

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