Substantiation of rational relationships of main parameters of the rock washing-out process when applying GD-300 hydraulic monitors at Kuzbass open pitsDaniil Poklonov, Ilya Mironenko, Sergey Protasov and Pavel SamusevE3S Web Conf., 174 (2020) 01047DOI: https://doi.org/10.1051/e3sconf/202017401047