A. I. Sagaidak
Research institute of concrete and reinforced concrete (NIIZHB) named after A.A. Gvozdev, JSC Research Center of Construction
Russian Federation

Alexandr I. Sagaidak, Cand. Sci. (Engineering), Leading Researcher of the Center No. 20, NIIZHB named after A.A. Gvozdev, JSC Research Center of Construction, Moscow

e-mail: sagaidak-niizhb@mail.ru

V. V., Bardakov
LLC “INTERUNIS-IT”
Russian Federation

Vladimir V. Bardakov, Cand. Sci. (Engineering), Deputy Head of the Research Department, LLC «INTERUNISIT», Moscow

e-mail: bardakovvv@interunis-it.ru

E. S. Borovkova
Euphrosyne Polotskaya state university of Polotsk
Belarus

Evgeniya S. Borovkova, Physicist, Senior Lecturer at the Euphrosyne Polotsk State University, Novopolotsk

e-mail: e.borovkova@psu.by