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Browsing by Author "de Beer, M"

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  • Sanders, PJ; De Beer, Morris; du Plessis, HW (2009-05-26)
    Various aspects of the determinations and use of elastic moduli of pavements materials are herein addressed. Included is an investigation into the sensitivity of pavement life to changes in elastic material parameters, an ...
  • Prozzi, JA; Sanders, PJ; du Toit, GD; De Beer, Morris (2009-05-26)
    This report describes a new methodology for the determination of Equivalent Damage Factors (EDFs) of vehicles with multiple axle and wheel configurations on pavements. The basic premise of this new procedure is that ...
  • Gass, BG; Ventura, DFC; De Beer, Morris (National Department of Transport, South Africa, 1993-03)
    The use of stabilised layers is cost effective in road construction in South Africa. Some stabilised materials have however been found to be susceptible to erosion. To identify erodible materials the Erosion Test was ...
  • Wilsenach, J; De Beer, Morris; Motaung, S; Bologo, L; Redebe, V; Moalusi, M; Maree, J (2008-11)
    Acid mine drainage results from active as well as decommissioned mines in the gold mining and coal mining fields. This water is highly acidic, containing sulphate, iron, aluminium, heavy metals and some radioactivity. When ...
  • De Beer, Morris; van der Merwe, CJ; Rohde, GT (National Department of Transport, South Africa, 1997-09)
    This report contains a set of practical course notes on the Rehabilitation Design of flexible pavements in southern Africa based on extensive research by various researchers and / or practitioners in South Africa. The ...