Study of the hygrometric condition of cement stone and concrete B. B. Khasanov, A. E. Adilkhuzhaev, R. K. Choriev, B. M. Azizova, I. Umarov and T. A. Mirzaev E3S Web of Conf., 410 (2023) 03037 Published online: 09 August 2023 DOI: 10.1051/e3sconf/202341003037