TY JOUR TI THE DETERMINATION OF OPTIMAL SPEEDS OF THE ROTARY BLADES OF CONCRETE MIXERS KW rotary mixer KW intensification KW productivity KW speed of movement of the blades of the rotor KW given the costs. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kaytukov, B.A. AU Telichenko , V.. AU Skel, V.I. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov