Use of class C fly ash for stabilization of fine-grained soils Canan Turan, Akbar Javadi, Raffaele Vinai, Nader Shariatmadari and Raziyeh Farmani E3S Web Conf., 195 (2020) 06001 Published online: 16 October 2020 DOI: 10.1051/e3sconf/202019506001