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Browsing by Author "Von Wielligh, AJ"

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  • Ottermann, RW; Burger, NDL; Von Wielligh, AJ; De Wet, PR (2001-08)
    Noise is a generic hazard common to all commodities and, to a greater or lesser extend affecting, all operations within mining. More people are exposed to the risk of noise- induced hearing impairment than to any other ...
  • Ottermann, RW; Von Wielligh, AJ; Burger, NDL; Kononov, VA (2000-10)
    The purpose of this project was to develop tele-controls to control drilling operations from a distance. The controls were fitted to the prototype quiet rock drill and demonstrated to be working. Noise is a generic hazard ...
  • Ottermann, RW; Burger, NDL; Von Wielligh, AJ; Handley, MF (2003-02)
    During this project both lightweight pinchbar and Mechanical jaws concepts were developed to a tested prototype. An experimental development model was first designed, built and tested, after which design reviews were held ...
  • Ottermann, RW; Burger, NDL; Von Wielligh, AJ; Handley, MF; Fourie, GA (2002-09)
    This project follows on from project GAP 708, The Design and Development of an Effective Support System for Tabular Stopes in Gold and Platinum Mines. The primary output of this project is to develop and surface test an ...