highwall mining auger

  • Highwall mining - SlideShare

    Mar 13, 2012 · High wall Mining Technology – Auger Type• Consisting of single or dual cutting heads with coal being cleared by spiraled flights, creating circular entries 9. High wall Mining Technology – Auger TypeDUAL HEAD AUGER 10. Highwall Mining Methods - Continuous Highwall Miner (CHM)Consisting of a remotely operated continuous miner followed by a ...

  • Surface mining - Wikipedia

    Highwall mining is another form of mining sometimes conducted to recover additional coal adjacent to a surface mined area. The method evolved from auger mining but does not meet the definition of surface mining since it does not involve the removal of overburden to expose the coal seam.

  • Mining types and methods

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  • Surface Coal Mining Methods in Australia

    Mining Methods 4 x Highwall mining x Continuous highwall mining, and x Auger mining. This chapter will only focus on surface mining operations in the Australian coal industry. Fig. 1. Australian coal resource map (Geoscience Australia, 2009). Fig. 2. Electricity generation by fuel (ABARE, 2010).

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  • Ground Control for Highwall Miining

    The Help files also contain suggestions for highwall mining through . old auger holes and for close proximity ple-split highwall mining. To obtain free copies of ARMPS-HWM and other NIOSH ground control soft­ ... Ground Control for Highwall Miining ...

  • Application of highwall mining system in weak geological ...

    Apr 29, 2016 · 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). In these mining systems, a continuous miner or an auger machine is .

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

    PDF | 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 ...