TY JOUR TI APPLICATION OF MODELS «COMPOSITION – PROPERTY» FOR RESEARCH PROPERTIES OF MODIFIED FIBER-REINFORCED FINE-GRAINED CONCRETES KW experimental-statistical models «modifying additives KW dispersible fibers – property» KW plan of experiment KW coefficient of polynomial equation KW triangular Gibbs-Roseboom’s diagram KW statistical regression analysis KW fiber-reinforced fine-grained concrete. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Balykov, A.. AU Nizina, T.A. AU Makarova, L.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov