Abstract: This research aims to utilize palm oil fuel ash (POFA) as a pozzolanic material for replacing portland cement. POFA was ground by ball milling until the median particle sizes were 19.91 (G1P) and

Abstract: This paper presents use of improved palm oil fuel ash (POFA) as a pozzolanic material in producing high-strength concrete. The POFA was ground by ball mill until the median particle size was reduced to about