TY JOUR TI Composite materials based on polysturctural integration of heterogeneous systems KW building materials KW composites KW composite materials KW polystructural integration KW polystructural theory of concrete KW concrete KW variotropic structure JO Smart composite in construction AU Ovchinnikov, A.A. AU Obruchev, D.V. AU Danilov, I.N. PY 2021 IS 2 PB Yaroslavl State Technical University