Experimental study of crushing process of the crushed stone Lola Akobirova, Karim Gafurov, Jura Jumayev, Firuza Kuldasheva and Doniyor Xikmatov E3S Web Conf., 264 (2021) 04093 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126404093