TY JOUR TI THE USE OF ASH FROM THERMAL POWER PLANT DUMPS IN THE PRODUCTION OF PORTLAND CEMENT KW portland cement KW fly ash KW cement hydration KW compressive strength JO Bulletin of the Angarsk State Technical University AU Savenkov, A.I. AU Kolomiets, V.S. PY 2022 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»