Development of high-strength concrete with the addition of a universal superplasticizerAida Barkhanadzhyan, Alimjon Riskulov, Maksud Karimov, Ravshan Khakimov and Botir IbragimovE3S Web Conf., 264 (2021) 02062DOI: https://doi.org/10.1051/e3sconf/202126402062