Effect of alkaline activator ratio on the compressive strength response of POFA-EACC mortar subjected to elevated temperature

The paper reports the outcome of the research work on mechanical and microstructural changes to palm oil fuel ash engineered alkali-activated cementitious composite (POFA-EACC) mortar exposed to different levels elevated temperatures (300–900°C) for 2 h. POFA-EACC mortar utilised in the study was prepared from POFA activated with liquid sodium silicate and sodium hydroxide and reinforcement was provided by 2% volume fraction of polyvinyl alcohol...