AUTHOR=Velastegui Luis , Velasco Nancy , Sanchez Quispe Hugo Rolando , Barahona Fredy , Onyelowe Kennedy C. , Hanandeh Shadi , Ebid Ahmed M. , John TrustGod A. TITLE=Predicting the impact of adding metakaolin on the flexural strength of concrete using ML classification techniques – a comparative study JOURNAL=Frontiers in Built Environment VOLUME=10 YEAR=2024 URL=https://www.frontiersin.org/journals/built-environment/articles/10.3389/fbuil.2024.1434159 DOI=10.3389/fbuil.2024.1434159 ISSN=2297-3362