I. N. Tikhonov
JSC Research Center of Construction; Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction
Russian Federation

Igor N. Tikhonov, Dr. Sci. (Engineering), Professor of the Department of Building Structures, Constructions and Materials, JSC Research Center of Construction; Head of the Center No. 21, Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction, Moscow

e-mail: tikhonovniizhb21@yandex.ru

V. G. Kryuchkov
JSC Research Center of Construction
Russian Federation

Vitaly G. Kryuchkov, Dr. Sci. (Economics), General Director, JSC Research Center of Construction, Moscow

A. I. Zvezdov
JSC Research Center of Construction
Russian Federation

Andrey I. Zvezdov, Dr. Sci. (Engineering), Professor, Deputy General Director for Scientific Work, Head of the Department Building Structures, Constructures and Materials, JSC Research Center of Construction, Moscow

B. S. Sokolov
Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction
Russian Federation

Boris S. Sokolov, Cand. Sci. (Engineering), Head of the Laboratory of Thin-walled and Spatial Structures (No. 4), Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction, Moscow

G. I. Tikhonov
Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction
Russian Federation

Georgy I. Tikhonov, Design Engineer of the Center No. 21, Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction, Moscow