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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rafiq, Muhammad Imran
University of Brighton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2021Impact of climate change on the carbonation in concrete due to Carbon Dioxide ingresscitations
- 2020Combined impact of carbonation and crack width on the Chloride Penetration and Corrosion Resistance of Concrete Structurescitations
- 2019Effect of cracks on alkalinity level of concrete structures exposed to carbon dioxide environment condition
- 2019Influence of Carbonation on the Resistance of Concrete Structures to Chloride Penetration and Corrosioncitations
- 2018Influence of cracks on the carbonation resistance of concrete structures
- 2017The effect of rice husk ash properties on the strength and durability of concrete at high replacement ratio
- 2017Experimental investigation of the effects of aggregate size distribution on the fracture behaviour of high strength concretecitations
- 2013Stochastic modeling of chloride-induced pitting corrosion of reinforcement bars in concrete
- 2013Spatial characterisation of chloride-induced corrosion of bars in concrete
- 2013Stochastic modelling of chloride-induced pitting corrosion of reinforcement bars in concrete.
- 2012Physical characterization of reinforcing bar corrosion in concrete
Places of action
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article
Impact of climate change on the carbonation in concrete due to Carbon Dioxide ingress
Abstract
Greenhouse gases (GHG), in terms of CO2 emissions, cause a greenhouse impact leading to changes in the planet’s temperature and relative humidity (RH). These changes in CO2, temperature and RH (leading to changes in the internal moisture content) have considerable impacts on the depth of carbonation (DoC) in existing concrete structures. However, the models to forecast the DoC as a function of time in the cracked and uncracked concrete members are scarce and have limitations in terms of incorporating key variables relevant to the climate change. This study aims to develop an integrated deterioration model of carbonation in concrete. The combined impacts of variations in the internal factors (such as mechanical properties of concrete, porosity and crack width) and external factors (such as %CO2, %RHand temperature), on chemical reaction rates due to carbonation in concrete were considered. This model is based on simultaneous solutions of the diffusivity and reaction activites of CO2(aq) and Ca(OH)2(aq). The proposedmodel was validated using the accelerated carbonation experiments involving different properties of concrete and cracks widths. Finally, this model was employed to forecast the DoC in order to identify corrosion state owing to impact of climate change scenarios of the Inter-governmental Panel of Climate Change (IPCC 2014) and the UKCP'09 climate projections.