Journal of Mining Science

, Volume 42, Issue 2, pp 151–156 | Cite as

Shield support selection based on geometric characteristics of coal seam

  • K. Goshtasbi
  • K. Oraee
  • F. Khakpour-yeganeh


The most initial investment in longwall face equipping is the cost of powered support. Selection of proper shields for powered supports is based on load, geometric characterization of coal seams and economical considerations.

Longwall coal seam inclination coal seam thickness powered support 2-leg shield 4-leg shield 


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • K. Goshtasbi
    • 1
  • K. Oraee
    • 1
  • F. Khakpour-yeganeh
    • 1
  1. 1.Faculty of Engineering, Mining Engineering GroupTarbiat Modarres UniversityTehranIran

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