Author:Botha, PB; Semmelink, CJ; Raubenheimer, JDate:Oct 2005"Detrimental carbonation" manifests itself by the loss of cementitious stabilization and the forming of loose powdery layers which lead to debonding of the surfacing. Up till now this was seen to be caused by poor curing techniques by contractors ...Read more
Author:Unknown authorDate:Nov 2002Solving the environmental problems of industrialised countries will not mean much if your very survival is threatened by the social fall-out of an exploitative economic growth model. One does not fight terrorism and hatred with violence, but ...Read more
Author:Abu-Mahfouz, Adnan MI; Hamama, Y; Page, Philip R; Djouani, K; Kurien, ADate:Aug 2016South Africa is a water scarce country with limited water resources and steadily growing water demand. Unacceptably high water losses and non-revenue water threaten our water resource security as well as the financial viability of municipal ...Read more
Author:Osman, Muhammad S; Yoyo, S; Page, Philip R; Abu-Mahfouz, Adnan MIDate:Sep 2016It is known that South Africa is a water scarce country which has been recently been experiencing erratic weather conditions resulting in a constrained water supply. Renewed focus has been placed on water conservation. This study seeks to ...Read more
Author:Bachoo, AKDate:Dec 2009Within the context of video surveillance, object and incident detection by an operator is minimized in over- and under-exposed pixels. Multiple different exposures of the same scene can be fused to create a well-balanced and detailed image ...Read more
Author:Sentongo, VN; Ferguson, KL; Dlodlo, MEDate:Sep 2011Deployment of real-time applications has become ubiquitous in recent years. These applications (e.g. streaming video over the Internet) however, are processor intensive and require fast video-processing techniques for more flexible, efficient ...Read more
Author:Duvenhage, BDate:Oct 2006This paper describes an innovative “physically based” spectral lighting, material and camera model that is based on radiometry theory and is an expansion of the historical fixed pipeline graphics system. There are two render target modes of ...Read more
Author:Lebese, J; Olwal, T; Mfupe, Luzango PDate:Sep 2021Spectrum occupancy measurements have become vital due to the proliferation of radio users. Literature shows that most of the allocated spectrum is used sporadically. This brings in the idea of dynamic spectrum access techniques using Cognitive ...Read more
Author:Alberts, Ronell; Fogwill, Thomas A; Tolmay, James PDate:Nov 2016The delivery of health services through health facilities such as hospitals and clinics has been found to be inadequate in developing countries. This is due to limited access to facilities by members in communities, especially in the rural ...Read more
Author:Ortlepp, WDDate:Aug 2000The development project GAP 611 comprised essentially four phases: design, construction, proof testing and a brief programmed of testing of actual supports.
The project was driven by the perception that existing support testing equipment ...Read more
Author:Naidoo, KavendraDate:Oct 2015This presentation considers the rising complexity of modern warfare and the use of modelling and simulation to gain insight into the drivers of mission success.Read more
Author:Naidoo, KavendraDate:Oct 2015This presentation considers the rising complexity of modern warfare and the use of modelling and simulation to gain insight into the drivers of mission success.Read more
Author:Wessels, Konrad J; Pretorius, DJ; Prince, SDDate:Sep 2008Globally there is an urgent need for standardized, quantitative measures rangeland degradation. Over the past 10 years in South Africa (SA), significant research efforts have been directed at this challenge, using diverse methods and data. ...Read more
Author:Van der Merwe, Johannes R; Strydom, Jurgen J; Cilliers, Jacques EDate:Oct 2016This paper proposes a practical implementation for the generation of real-time K-Distributed correlated sea-clutter in firmware. The method uses a dual cumulative distribution function (CDF) based look-up method to transpose a complex uniformly ...Read more
Author:Madden, BJ; Canbulat, I; Jack, BW; Prohaska, GDDate:Dec 1995The SIMRAC project COL 021A entitled “a reassessment of coal pillar design procedures” set out to achieve a coal pillar design procedure that takes cognisance of different geological and structural factors as well as the influence of the ...Read more
Author:Paige-Green, PDate:Nov 2009During the early 1980s a number of problems related to the loss of stabilization and disintegration of stabilized layers in roads (lime and cement) were reported in South Africa. This led to many comprehensive investigations and it was shown ...Read more
Author:Landman, WA; Beraki, Asmerom FDate:Nov 2011The various institutions involved with seasonal forecast development and production are discussed. New modelling approaches and the establishment of infrastructures to improve forecast dissemination are discussed.Read more
Author:Botha, Louis; Kloke, Kevin H; Smit, Johan C; Kitching, CelmaDate:Jul 2016We have decided to develop some common building blocks for use in radar system at the CSIR, DPSS. The reasons for doing this are: a) The cost of ad-hoc- developed RF subsystems (using connectorised components) is getting to be prohibitive as ...Read more
Author:Lochner, Paul A; Mabin, MJT; Cape, LSGDate:May 2016Strategic Environmental Assessments (SEAs) for the development of wind and solar photovoltaic (PV) energy and powerline corridors have recently been completed in South Africa, leading to a decision by the South African Cabinet in February ...Read more