Effects of Steam Slaking on the Characteristics of Portlandite Crystals

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Abstract

This contribution describes the effect of various slaking methods on the microstructural and mineralogical characteristics of Portlandite crystals (Ca(OH)2). Aim of this research is to develop lime-based construction materials for the modern construction industry. Microstructural changes of Ca(OH)2 crystals obtained by slaking calcium oxide in different conditions were investigated using Scanning Electron Microscopy (SEM) and X-ray Diffraction Analysis (XRD). Results suggest that the slaking conditions affect the crystal size and shape resulting in an increase of surface area and, in turn, a potential improvement of mortars performances.
Original languageEnglish
Title of host publication39th Cement and Concrete Science Conference
Publication statusPublished - 11 Sep 2019
Event39th Cement and Concrete Science Conference - Bath University, Bath, United Kingdom
Duration: 9 Sep 201910 Sep 2019
Conference number: 39

Conference

Conference39th Cement and Concrete Science Conference
Abbreviated titleCCSC
CountryUnited Kingdom
CityBath
Period9/09/1910/09/19

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