Treatment and reinforcement of the loose sands of the city of Kenitra Hajar Boukhorb, Lahcen Bahi, Latifa Ouadif, Houssine Ejjaaouani and Abdeloihad Gourri E3S Web Conf., 150 (2020) 03007 Published online: 12 February 2020 DOI: 10.1051/e3sconf/202015003007