TY JOUR TI RECYCLED CONSTRUCTION WASTE AS A CONCRETE AGGREGATE FOR SUSTAINABLE BUILDING MATERIALS KW concrete demolition waste KW concrete laboratory waste KW natural aggregates KW concrete scrap KW recycling JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Al'-Bo-Ali, W.S. AU Lesovik,, R.V. AU Sopin, D.M. AU Ahmed, A.A. AU Lesovik, G.A. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov