Study of the mechanical behavior of light mortars produced by thermal treatment, with coal waste of Jerada mine (eastern Morocco)R. Addou, K. Hannawi Salmo, Z. Zenasni, W. P. Agbodjan and M. ZenasniMATEC Web Conf., 286 (2019) 03006DOI: https://doi.org/10.1051/matecconf/201928603006