TY JOUR TI STUDY OF RHEOLOGICAL CHARACTERISTICS OF BITUMEN COMPOSITES WITH DIFFERENT FLY ASHES KW fly-ashes from power stations KW bitumen mastics KW rheological characteristics KW viscosity KW penetration KW melting point JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Chulkova , I.. AU Lebedev , M.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov