Author:Anochie-Boateng, Joseph; Komba, Julius J; Mvelase, Gculisile MDate:Jun 2013There is a need to improve the measurements of shape characteristics of aggregates and ballast materials used in the construction of road, airfield, and railway track infrastructures. The fundamental shape properties of aggregate and ballast, ...Read more
Author:Van Wyk, Llewellyn VDate:Mar 2014Waste is defined in the National Environment Management: Waste Act as: “Any substance, whether or not that substance can be reduced, re-used, recycled and recovered – a) That is surplus, unwanted, rejected, discarded, abandoned or disposed ...Read more