Influence of the porosity structure of road concrete on its durability Denis Smirnov, Sergey Stepanov, Ruslan Garipov, Timur Garayev and Tagir Sungatullin E3S Web Conf., 274 (2021) 04009 Published online: 18 June 2021 DOI: 10.1051/e3sconf/202127404009