Author:Division of Roads and Transport Technology CSIR; Jordaan & Joubert Inc.Date:Mar 1993The purpose of this manual is to provide guidelines on the upgrading of gravel low volume roads to roads and maintenance personnel of road authorities of all sizes. Low volume is, for the purpose of this document, defined to be less than 500 ...Read more
Author:Hobbs, PJ; Cobbing, JEDate:Aug 2007The comparatively short history of acid mine drainage (AMD) in the West Rand Basin (WRB) via mine water decant on the Randfontein Operations property (formerly Randfontein Estates Ltd) of Harmony Gold Mining Company west of Krugersdorp (Figure ...Read more
Author:Anandjiwala, RDDate:Nov 2013Nonwoven geotextiles are complex three-dimensional structures formed by the random arrangement of fibres. They are permeable and compressive textile materials and belong to the geosynthetic group, which also includes geogrids, geonets, ...Read more