Abstract: The production of portland cement, particularly clinker, is a major source of CO2 emissions in concrete manufacture. Blended cement has emerged as a low-carbon alternative to improve sustainability, but the lack of comparative ...

Abstract: This study investigated the performance of two alkali-activated concretes (AACs) subjected to marine exposure for 2 years. The AACs were synthesized from a low-calcium Class F fly ash (FA) and a blast-furnace slag. ...