Geotechnical properties of sewage sludge solidified with Sulphoaluminate cement Xihui Fan, Haoqing Xu, Shengwei Wang, Shi Shu, Naixi Lin and Yongjin Qian E3S Web Conf., 81 (2019) 01015 Published online: 30 January 2019 DOI: 10.1051/e3sconf/20198101015