Experimental investigation on the hydromechanical behaviour of a porous chalk Danielle Rita Pajiep Ngongang, Nathalie Conil, Jian-Fu Shao, Mountaka Souley and Philippe Gombert E3S Web of Conf., 382 (2023) 04008 Published online: 24 April 2023 DOI: 10.1051/e3sconf/202338204008