TY JOUR TI USE OF ASH AND SLAG WASTE AS A SUPPLEMENTARY CEMENTING MATERIAL KW environmental pollution KW ash and slag wastes KW fly ash KW ash residues KW cement-ash-sand mixture KW portland cement clinker KW compressive strength. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Tang, V.L. AU Ngo, S.H. AU Bulgakov, B.I. AU Aleksandrova, O.V. AU Larsen, O.A. AU Orehova, A.Y. AU Tyurina, A.A. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov