TY JOUR TI USE OF IRAQ CONCRETE SCRAP AS FILLER AND AGGREGATE OF HEAVYWEIGHT AND LIGHTWEIGHT CONCRETE KW concrete KW aggregate KW filler KW concrete scrap KW structure KW strength JO Construction Materials and Products AU Ahmed, A.A. AU Fedyuk, R.S. AU Liseycev, Y.L. AU Timohin, R.A. AU Murali, G.. PY 2020 IS 3 PB Belgorod State Technological University named after V.G. Shukhov