Cameron Munsamy, CSIR
PAPER
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Abstract
In South Africa, the implementation of labour-based construction techniques is beneficial in that it creates opportunities and assists with the development of small contractors whilst upgrading the transportation network. The performance of a road pavement is primarily a function of the material selected, as well as the testing and quality control of the constructed layer. This is a challenge in remote rural areas with limited access to laboratories.
To ensure quality and provide a solution to this lack of access to testing facilities, the CSIR has been developing mobile laboratories. These self-contained units do not depend on the availability of electricity or running water, as they use technologies that make use of local water, batteries, solar energy, and specialised accessories/equipment. Field test kits to evaluate both pavement surfacing and borrow materials for use as wearing course on unsealed roads ensure that the quality of the construction is appropriate.
The technologies have been successfully demonstrated in South Africa and there are also potential applications elsewhere on the African continent. The fact that such technologies give remote areas with a lack of resources the opportunity to maintain and produce quality road infrastructure has received positive feedback.
