Processed Natural Pozzolans in Concrete

Description Pozzolans are made up of siliceous or siliceous and alumi-nous materials that, in finely divided form, will react with calcium hydroxide to form cementitious materials. The term “pozzolan” evolved from the name given to a deposit of volcanic material located near Pozzuoli, Italy. This deposit, originally referred to as pozzolana, consisted of pumice ash, […]