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Faculty of Engineering, Built Environment and Information Technology
School of Engineering
Department of Civil and Biosystems Engineering
Selected Highlights from Research Findings
In attempts to reduce the environmental impact of cement and concrete materials, researchers have managed to develop a fibre-reinforced cementitious composite material that can be used to replace pre-cast asbestos cement products that are currently still in use in South Africa. They have successfully manufactured cement containing large volumes of waste materials and concrete products where all the stone has been replaced with recycled crushed concrete (demolition waste). They have also succeeded in reducing the cement content of foamed concrete mine products to a level where more than two-thirds of the cement is replaced by waste materials and more than 80% of the volume of the foamed concrete product is made up of confined air voids. These changes have not only reduced manufacturing cost significantly but also improved the properties of the foamed concrete products manufactured by their industry pastner, Grinaker-LTA (Mining Products).
Contact person: Prof EP Kearsley.
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