Methods for calculating the parameters of drilling and blasting operations based on the primary determination of the zones of destruction of the rock massSh.А. Оchilov, D.R. Маkhmudоv, А.Т. Nizamova, S.S. Norinov and А.А. UmirzokovE3S Web Conf., 491 (2024) 02014DOI: https://doi.org/10.1051/e3sconf/202449102014