TY JOUR TI CRAWLER-MASTIC ASPHALT CONCRETE WITH THE USE OF BITUMEN MODIFIED BY SEVILEEN KW crushed stone-mastic asphalt concrete KW sevilen KW bitumen KW modified bitumen KW physical and mechanical characteristics JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Navolokina, S.N. AU Yadykina, V.V. AU Gridchin, A.M. PY 2021 IS 6 PB Belgorod State Technological University named after V.G. Shukhov