A review on carbonation study in concrete
N Venkat Rao,T Meena +1 more
- Vol. 263, Iss: 3, pp 032011
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TLDR
In this article, the authors have reviewed the carbonation studies which are a vital durability property of concrete and endeavoured to focus and elucidate the gravity of importance, the process and chemistry of carbonate and how the various parameters like water/cement ratio, curing, depth of concrete cones, admixtures, grade of concrete, strength and porosity effect carbonation in concrete.Abstract:
In this paper the authors have reviewed the carbonation studies which are a vital durability property of concrete. One of the major causes for deterioration and destruction of concrete is carbonation. The mechanism of carbonation involves the penetration carbon dioxide (CO2) into the concrete porous system to form an environment by reducing the pH around the reinforcement and initiation of the corrosion process. The paper also endeavours to focus and elucidate the gravity of importance, the process and chemistry of carbonate and how the various parameters like water/cement ratio, curing, depth of concrete cones, admixtures, grade of concrete, strength of concrete, porosity and permeability effect carbonation in concrete. The role of Supplementary Cementitious Materials (SCMs) like Ground granulated Blast Furnace Slag (GGBS) and Silica Fume (SF) has also been reviewed along with the influence of depth of carbonation.read more
Citations
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Review of Carbonation Resistance in Hydrated Cement Based Materials
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References
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Journal ArticleDOI
Influence of mineral admixtures on compressive strength, gas permeability and carbonation of high performance concrete
TL;DR: In this article, the relationship between compressive strength and gas permeability of high performance concrete with fly ash (FA) or ground granulated blast furnace slag (GGBFS) was investigated and the relationships among them were analyzed.
Journal ArticleDOI
Carbonation of Concrete Containing Mineral Admixtures
TL;DR: In this paper, the carbonation of concrete incorporating ground granulated blast-furnace slag (GGBS), fly ash (FA), and silica fume (SF) was investigated.
Journal ArticleDOI
A model for predicting carbonation of high-volume fly ash concrete
Linhua Jiang,Baoyu Lin,Yuebo Cai +2 more
TL;DR: In this article, a mathematical model based on carbonation process for predicting the carbonation depth of high-volume fly ash (HVFA) concrete was developed and an accelerated carbonation test was conducted on ordinary Portland cement (OPC) concrete and HVFA concrete.
Journal ArticleDOI
Reduction of concrete sorptivity with age through carbonation
TL;DR: In this article, the porosity differences between end slices and the interior of cylindrical specimens from another test series (of 4 years of age) were measured, together with the depths of carbonation.
Journal ArticleDOI
Curing effects on carbonation of concrete using a phenolphthalein indicator and Fourier-transform infrared spectroscopy
TL;DR: In this article, infrared spectroscopy was used to determine the carbonation depth by referencing the characteristic peak of the C-O stretching bonds, and the results indicated that carbonation increases with age and decreases with depth and carbonation depths determined with infrared spectra were 1.5 mm deeper than those determined using the phenolphthalein test.
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