The study results of the filtration process in the ground dams body and its chemical effect on piezometersAsror Yangiev, Galiya Omarova, Farida Yunusova, Dilmurat Adjimuratov and Aliya RisalievaE3S Web Conf., 264 (2021) 03014DOI: https://doi.org/10.1051/e3sconf/202126403014