Motavalli, M., Ghafoori, E., Shahverdi, M., Michels, J., & Czaderski, C. (2016). Prestressing systems for strengthening of concrete and metallic structures: recent developments at EMPA, Switzerland. In J. G. Teng & J. G. Dai (Eds.), Proceedings of the eighth international conference on fibre-reinforced polymer (FRP) composites in civil engineering (CICE 2016) (pp. 1118-1125). Department of Civil and Environmental Engineering & Research Institute for Sustainable Urban Development, The Hong Kong Polytechnic University.