Integration of Earth-based materials in 3D concrete printing (3DCP): Physico-chemical and Technological characterizationFatima-Zahra Oulkhir, Nadir Rihani, Iatimad Akhrif and Mostapha El JaiE3S Web Conf., 601 (2025) 00024DOI: https://doi.org/10.1051/e3sconf/202560100024