Modern information and mathematical models in construction industry V. A. Minaev, V. M. Pizengolts, A. O. Faddeev, A.Y. Bystryakov, E.V. Savenkova and E. V. Kruglikova E3S Web Conf., 116 (2019) 00051 Published online: 24 September 2019 DOI: 10.1051/e3sconf/201911600051