Effect of metakaolin on the properties of aerial lime-based mortars

Belaidi, Mourad; Hamiane, Messaoud; Bouzetine, Kamel; Brahmi, Abla

Journal of Materials and Engineering Structures
Volume 8, Numéro 2, Pages 209-222
2021-06-30

Effect Of Metakaolin On The Properties Of Aerial Lime-based Mortars

Authors : Belaidi Mourad . Hamiane Messaoud . Bouzetine Kamel . Brahmi Abla .

Abstract

The aim of this work is to elaborate lime mortars with a hydraulic character, compatible and similar with the materials of the old building. Different compositions were prepared with a volume: aggregate ratio of 1: 3. In order to improve the fluidity of the mixtures, a superplasticizer -Médaflow 30- has been incorporated. A physico-mechanical characterization of the mortar samples was carried out at different hardening ages. The results obtained showed that the incorporation of metakaolin to mortar samples, even at low dosage, causes considerable variations in the values of the mechanical strengths (flexural and compressive strength) and the physical properties particularly the absorption of water.