Clay micromechanics: Experimental challenges and perspectives Matteo Pedrotti, Anne-Catherine Dieudonné, Jelke Dijkstra, Guido Musso, Mahdia Hattab and Gioacchino Viggiani E3S Web of Conf., 544 (2024) 05003 Published online: 02 July 2024 DOI: 10.1051/e3sconf/202454405003