20/03/2026
We are celebrating our upcoming March graduates!
Palesa Tshetlanyane will be receiving her Master's Cum Laude for her work on using platinum slag as fine aggregate in concrete coastal applications. She was supervised by Prof John Babafemi and Prof Bolanle Ikotun.
Her research explored the valorisation of platinum slag, a South African platinum-smelting by-product, as a sustainable partial replacement for natural fine aggregate in high-strength concrete for aggressive marine environments. The study examined workability, mechanical behaviour, and durability by evaluating oxygen permeability, water sorptivity, and chloride conductivity across replacement levels of 0% to 30%. The results showed that, while early-age strength is reduced, mixtures containing 10% to 20% platinum slag developed strong later-age performance, with 20% replacement offering the most favourable overall balance of workability, long-term strength, and resistance to chloride ingress.
In 2026, she plans to apply for a PhD at Stellenbosch University.
Congratulations, Palesa!