Effect of cement types on carbonation depth of concrete
Reinforced concrete as a building material is the most used in most civil engineering structures. This one is exposed to several attacks (physical, chemical and mechanical). Among these attacks, we can cite the phenomenon of carbonation, which leads to corrosion of the reinforcements and consequently reduces the service life of reinforced concrete structures. In addition, this phenomenon generates additional repair costs, which can sometimes exceed the initial cost of the building. Furthermore, it depends on the type and class of cement, two main classes of cement are used for the formulation of concrete in Algeria, ordinary Portland cements and cements with additions.
This paper enters in the option of sustainable development, in order to study the behavior of these two types of cements against accelerated carbonation.
For this purpose, two concrete compositions (based on ordinary Portland cements and cements with additions) were formulated, from these two formulations, samples were made in order to subject them to accelerated carbonation in a chamber rich in CO2 according to the recommendations of the AFPC-AFREM.
The results obtained clearly show that concretes based on ordinary Portland cements (OPC) are less sensitive to the phenomenon of carbonation compared to concretes based on blended cements.
Dakhmouche Chabil, F., Z. (2009). Carbonatation de bétons adjuvantés à base de ressources locales algériennes (PhD Thesis). Orléans.
CPC-18, R. R. (1988). Measurement of hardened concrete carbonation depth. Materials and structures, 21(126), 453-455.
Kulakowski, M. P., Pereira, F. M., & Dal Molin, D. C. (2009). Carbonation-induced reinforcement corrosion in silica fume concrete. Construction and building materials, 23(3), 1189-1195.
Morandeau, A., Thiéry, M., & Dangla, P. (2015). Impact of accelerated carbonation on OPC cement paste blended with fly ash. Cement and Concrete Research, 67, 226-236.
Moro, F. R., Ghomari, F., Boukli Hacène, M. A., Taleb, O., Loukili, A., & Rosière, E. (2011). La carbonatation des bétons aux fortes additions calcaires, XXIXe Rencontres Universitaires de Génie Civil, Tlemcen, Algeria.
Ollivier, J. P. (Ed.). (1997). Essai de carbonatation accéléré, mesure de l’épaisseur de béton carbonate. Durabilité des Bétons, Méthodes Recommandées pour la Mesure des Grandeurs Associées à la Durabilité, 153-158.
Papadakis, V. G., Fardis, M. N., & Vayenas, C. G. (1992). Effect of composition, environmental factors and cement-lime mortar coating on concrete carbonation. Materials and structures, 25(5), 293-304.
Phung, Q. T., Maes, N., Jacques, D., Bruneel, E., Van Driessche, I., Ye, G., & De Schutter, G. (2015). Effect of limestone fillers on microstructure and permeability due to carbonation of cement pastes under controlled CO2 pressure conditions. Construction and Building Materials, 82, 376-390.
Sideris, K. K., Savva, A. E., & Papayianni, J. (2006). Sulfate resistance and carbonation of plain and blended cements. Cement and Concrete Composites, 28(1), 47-56.
Sisomphon, K., & Franke, L. (2007). Carbonation rates of concretes containing high volume of pozzolanic materials. Cement and Concrete Research, 37(12), 1647-1653.
Copyright (c) 2020 Journal of Building Materials and Structures
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.