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A STUDY ON THE INFLUENCE OF SUPPLEMENTATION OF NATURAL ADMIXTURES ON THE PROPERTIES OF HYDRATED LIME MORTAR

Abstract

Lime has been the most preferred choice of binding material used in the rehabilitation and preservation of antique historic monuments, owing to its competence to remain compatible. Incorporation of natural admixtures into lime mortars has optimistic influence on the improvement of mortar properties. Natural admixtures to be employed remain efficient and eco-friendly thereby can be utilized as a cover for existing synthetic additives. Modified mortars were produced from the extract obtained from Pedalium Murex species (referred as PMEX) at varying concentrations of 5% and 10%. An investigation on the behaviour of these modified mortar subjected to particular period of fermentation, towards the fresh state and hardened state properties was carried out. The outcome of the study showed that mortars modified with 10% natural admixture extract showcased enhanced mechanical characteristics along with improved workability due to the presence of polysaccharides present in the extract.

ABRAR AHAMED S AND RAVI RAMADOSS

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