TY - CONF T1 - Performance-based design of pile foundations for wind turbines in African unsaturated expansive soils JO - Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering PY - 2022/04/01 AU - Gaspar TAV AU - Osman AS AU - Augarde CE AU - Coombs WM AU - Toll DG AU - Moghaddasi H AU - Charlton TJ AU - Jacobsz SW AU - Smit G AU - da Silva Burke T AU - Murison RA et al ED - Y2 - 2024/09/20 ER -