Effects of a large number of cycles on pile shaft resistance analyzed at the grain scale using x-ray tomographyJeanne Doreau–Malioche, Gaël Combe, Jean-Benoît Toni and Gioacchino ViggianiEPJ Web Conf., 140 (2017) 07014DOI: https://doi.org/10.1051/epjconf/201714007014