TY JOUR TI FRACTALS AS A PRINCIPLE OF HIERARCHICAL STRUCTURE FORMATION IN CONSTRUCTION MATERIAL SCIENCE KW fractal formation KW hierarchical structure KW biomimetic technologies KW cement-based concrete KW over- and superhydrophobicity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kozhuhova, M.I. AU Fomina, E.V. AU Fomin, A.E. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov