Author:Lachman, A; Thevadasan, SDate:Sep 2006Amadiba Road is a 44km-long gravel road, which runs from the R61 between Port Edward and Bizana, down to the sea. It was a community-based, labour-intensive project managed by CSIR Built Environment, with funding from the national Poverty ...Read more
Author:George, Theresa B; Anochie-Boateng, JosephDate:Aug 2016South Africa is facing a potential shortage of virgin aggregates used to produce asphalt mixes for road construction. Although these aggregates have demonstrated the desired quality in asphalt mixes and have adhered to project specifications ...Read more
Author:Anochie-Boateng, Joseph; Tutumluer, EDate:Nov 2010Oil sand is a generic name given to natural deposits of bituminous sand materials that are mined for crude oil production. These materials are currently used as subgrade materials of temporary and permanent roads in oil sand fields for operating ...Read more
Author:Mitchell, MF; Semmelink, CJ; McQueen, ALDate:Jun 1977For some time road engineers have been concerned that the variability inherent in road construction materials and their sampling and testing has not been logically and consistently catered for in the road construction process or in construction ...Read more
Author:Mturi, George AJ; Nkgapele, MDate:Jul 2013The development of improved test protocols and procedures for modified bituminous binder materials is currently been pursued by the Council for Scientific and Industrial Research (CSIR). The determination of the cohesive strength of modified ...Read more
Author:Viljoen, AW; Freeme, CR; Servas, VP; Rust, FCDate:Jul 1987Conventional overlay life estimates are often invalidated by the reflection of existing cracks in a pavement through an overlay. This is attributable to a lack of understanding of the factors influencing relative crack movements and their ...Read more
Author:Mgangira, Martin B; Xungu, Sipho A; Giani, John CDate:Jul 2018The deterioration of the aggregate material used in road construction is of concern as it affects the overall long term stability of the road pavement and should be minimised by using durable aggregates. The paper presents proof of concept ...Read more
Author:De Beer, Morris; Maina, JW; Netterberg, FDate:Apr 2012This paper (Part 2 of a two-part set of papers) discusses models and illustrates the adverse effects of weak layers, interlayers, laminations and/or weak interfaces in flexible and semi-flexible pavements, also incorporating lightly cemented ...Read more
Author:Maina, JW; De Beer, Morris; Van Rensburg, YvetteDate:Jul 2013Growing traffic volumes, increasing construction and maintenance costs continually drive for more innovative approaches and methodologies towards sustainable road infrastructure. At the current price levels of around R6000 per metric tonne, ...Read more
Author:Du Plessis, L; Strauss, PJ; Kilian, ADate:Aug 2009The CSIR Built-Environment, in conjunction with the University of Pretoria and the Cement and Concrete Institute of South Africa, developed a low cost option for the upgrading of unsurfaced (gravel) roads. The proposed solution is the placing ...Read more
Author:Anochie-Boateng, JosephDate:Feb 2011This symposium provides a forum for exchange of ideas on current research nationally and internationally on the use of industrial byproducts and other recycled materials in geotechnical construction. A key objective is to identify new ...Read more
Author:Paige-Green, PDate:Jan 2009This chapter reviews the relevant sustainability background and identifies areas that should be considered in relation to conserving non-renewable natural resources. Techniques that can contribute to reducing the use of non-renewable resources ...Read more
Author:Netterberg, F; Paige-Green, PhilDate:Jul 1988The requirements of and some specifications for wearing courses for unpaved roads are reviewed. It is concluded that further development of specifications is required, and that there is probably great scope for improvement of our unpaved roads ...Read more