The Combined Effect of the Initial Cure and the Type of Cement on the Natural Carbonation, the Portlandite Content, and Nonevaporable Water in Blended Cement-Reference-Cited by-同舟云学术

The Combined Effect of the Initial Cure and the Type of Cement on the Natural Carbonation, the Portlandite Content, and Nonevaporable Water in Blended Cement

Published:2017 Issue: Volume:2017 Page:1-17
ISSN:1687-8434
Container-title:Advances in Materials Science and Engineering
language:en
Short-container-title:Advances in Materials Science and Engineering

Author:

Boualleg Saida¹^ORCID,Bencheikh Mohamed¹,Belagraa Larbi²,Daoudi Aziz³,Chikouche Mohamed Aziz⁴

Affiliation:

1. Geo Materials Development Laboratory, Technology Faculty, Department of Civil Engineering, M’sila University, P.O. Box 166, Ichbilia, 28000 Msila, Algeria

2. Materials and Electronic Systems Laboratory (LMSE), Faculty of Science and Technology, Bachir El Ibrahimi University of Bordj Bou Arréridj, 34260 Bordj Bou Arréridj, Algeria

3. Research Center & Technology Services Industry Building Materials, CETIM, P.O. Box 7, Cité Ibn Khaldoun, 35000 Boumerdès, Algeria

4. Materials and Mechanics of Structures Laboratory (LMMS), Technology Faculty, Department of Civil Engineering, M’sila University, P.O. Box 166, Ichbilia, 28000 M’sila, Algeria

Abstract

The aim of this work is to better understand the physical and chemical phenomena involved in hydrated mix (clinker + addition) during the natural carbonation process, to characterize cement with supplementary cementitious materials (SCMs) under various curing environment. The prepared cement pastes were characterized by thermogravimetric analysis. The results showed a considerable influence of the environment on the properties of mortars and cement and a perfect correlation between compressive strength, natural carbonation, nonevaporable water, and portlandite content. It was observed that the reduction of the curing period makes the mortars more sensitive. The kinetics of process was evaluated from Ca(OH)2 content and nonevaporable water contained in mortars. These two parameters reflect the hydration progress of the water/cement ratio studied. The weight loss due to Ca(OH)2 decomposition, calculated by DTA/TG analysis, shows the effect of the pozzolanic reaction and the natural carbonation. The supplementary cementitious materials (SCMs) play a considerable role in the slowing down of the aggression environment.

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

Link

http://downloads.hindawi.com/journals/amse/2017/5634713.pdf

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