TY JOUR TI Optimisation of composite material structure based on the technology of polystructural integration of heterogeneous materials KW construction materials KW composites KW composite materials KW polystructural integration KW polystructural theory of concrete KW concrete KW variatropic structure JO Smart composite in construction AU Ovchinnikov, A.A. AU Obruchev, D.V. AU Danilov, I.N. PY 2022 IS 3 PB Yaroslavl State Technical University