Abstract

This lecture provides an overview of ancient and modern pozzolanic materials used as admixtures mainly in lime and cement composites. It presents the methods for characterising these admixtures that enhance the properties and durability of composite materials. The study highlights the historical significance of ancient pozzolanic materials and compares them with their contemporary counterparts, evaluating their effectiveness and benefits in modern construction. The findings contribute to a deeper understanding of how these admixtures were specifically used for the development of new materials, considering sustainable development, as well as economic and environmental aspects.

Keywords:Pozzolans; Characterisation; Pozzolanic activity; Waste materials