Inputs from in situ experiments to the understanding of the unsaturated behaviour of Callovo-Oxfordian claystoneGilles Armand, Hippolyte Djizanne, Jad Zghondi, Rémi de La Vaissière, Jean Talandier and Nathalie ConilE3S Web Conf., 9 (2016) 03004DOI: https://doi.org/10.1051/e3sconf/20160903004