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ASSESSING AND MONITORING OPEN PIT MINE HIGHWALLS Jami M. Girard1,, 1Mining Engineer, National Institute for Occupational Safety Health, Spokane Research Laboratory, 315 E. Montgomery Ave., Spokane, WA 99207 .
two main highwall mining systems currently used in Australia are the Addcar Highwall Mining system and the Auger system. Previously, the Moura Mine''s highwall mining operation used the Addcar Steep Dip Highwall Mining system, a modified Mining Technologies Addcar Highwall Mining system with the remote controlled Joy 12CM12B continuous miner.
mining with highwall mining being conducted after economical limits of the pits are reached. The active mining is 40 kilometres long with reserves covering 150km of strike length. The width of active mining is up to 3 kilometres. Mining is complicated by the range in geologic condit ions in strata types and the steep dips (up to 20 degrees).
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef or placer deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.
Highwall — The unexcavated face of exposed overburden and coal in a surface mine or in a face or bank on the uphill side of a contour mine excavation. Highwall miner — A highwall mining system consists of a remotely controlled continuous miner which extracts coal and conveys it via augers, belt or chain conveyors to the outside. The cut is ...
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Coal mining Coal mining Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many .
Mar 13, 2012· DESIGN OF OPENPIT MINING I. Satyanarayana,,MBA,MCADy. Manager, Project Planning, SCCL, isnindian, . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
"This system incorporates all of our latest technologies relative to steep dip mining while preserving the core designs that have created the ADDCAR legacy of reliability and productivity," said Johnny Sturgill, President ADDCAR. The main components included with the system are: Launch Vehicle Foot Print 95 ft .
Continuous Miner. The ADDCAR system allows you to select the Miner (from the major OEM''s) that best matches your seam conditions. ADDCAR has worked closely with the major OEMs and both parties are familiar with the modifications that must be made on a standard continuous miner to adapt it for highwall mining.
Analysis of Safety Aspects And Mining Practices For Effective Ground Control in Surface Mining Suresh K. Bhatt, Mining Engineer Christopher Mark, Supervisory physical scientist National Institute for Occupational Safety and Health Pittsburgh Research Laboratory Pittsburgh, PA. ABSTRACT Fatalities caused by highwall/spoilbank failure in the
Surface Mining Underground Steep. Our company has been devoted to mining machinery for 40 years. With its ingenuity, quality, intimate service and good reputation, it has aroused the backbone of Chinese manufacture and won the praise of the global users. We also choose us as a successful enterprise and a bright future for you!Please fill in ...
Surface mining, including strip mining, ... Highwall mining can produce thousands of tons of coal in contourstrip operations with narrow benches, previously mined areas, trench mine applications and steepdip seams with controlled waterinflow pump system and/or a gas (inert) venting system. ...
Highwall mining can produce thousands of tons of coal in contourstrip operations with narrow benches, previously mined areas, trench mine applications and steepdip seams with controlled waterinflow pump system and/or a gas (inert) venting system.
steep dip highwall mining. Mining Facts for Kids Kiddle. Highwall mining can produce thousands of tons of coal in contourstrip operations with narrow benches, previously mined areas, trench mine applications and steepdip seams with controlled waterinflow pump system and/or a .
Steep Dip; Cascading Conveyor Cars. The signature of ADDCAR Highwall Mining is the unique Cascading Conveyor system that uses open conveyors to feed coal from the miner to the stacker conveyor without increasing fines. As the miner works its way into the seam, an end loader places Conveyor Cars onto the launch vehicle, where they''re hooked up ...
VENTILATION OF HIGHWALL MINING TO CONTROL METHANE CONCENTRATION AT THE MOURA MINE | PAGE i Abstract Methane is a highly explosive gas released during coal mining that presents an imminent problem when mixed with oxygen in regard to maintaining safe working conditions in underground and highwall mines.
Apr 05, 2019· Sublevel caving is a large scale mining method, suitable for large ore bodies with a steep dip and a rock mass where the host rock in the hanging wall will fracture under controlled conditions.
Highwall mining can produce thousands of tons of coal in contourstrip operations with narrow benches, previously mined areas, trench mine applications and steepdip seams with controlled waterinflow pump system and/or a gas (inert) venting system. Machines.
Surface mining, including strip mining, ... Highwall mining can produce thousands of tons of coal in contourstrip operations with narrow benches, previously mined areas, trench mine applications and steepdip seams with controlled waterinflow pump system and/or a gas (inert) venting system. ...
Mar 12, 2013· An efficient, proven and durable system for mining coal from exposed horizontal seams. Learn more at https:///products/surfacemining/highwall...
Figure 4. Types of Highwall Mining (Hansen and Kelly, 2014). Traditionally highwall miners use either an auger system or a continuous miner to extract coal from the highwall. Other forms of highwall mining have been undertaken by producers including Archveyor highwall systems and BHP''s steep dip continuous highwall miner
The key to quality and productivity is to keep the miner operating in the seam. No system beats the accuracy of Addcar''s navigation. Your operator will know where they are heading exactly.
Steep Dip Mining ADDCAR is continuing to develop our proven systems to further enhance resource recovery for our customers. The ''Steep Dip'' systems are capable of mining in excess of 16° dip and maintaining a plunge of +300m. TECHNOLOGY ADDCAR is a technology enabled company that continue to develop their highwall mining (HWM)
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