2018
DOI: 10.1155/2018/2326017
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Numerical Simulation on Carbonation Depth of Concrete Structures considering Time‐ and Temperature‐Dependent Carbonation Process

Abstract: In order to further understand the carbonation process of concrete structures, the time-and temperature-dependent diffusion process of CO 2 in concrete is simulated based on the law of the CO 2 mass conservation, and a two-dimensional mass transfer equation is established for the CO 2 diffusion in concrete. e concrete block is discretized into triangular elements, and the CO 2 concentrations at different positions are calculated based on finite element method. A computational algorithm is programed through the… Show more

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Cited by 14 publications
(2 citation statements)
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“…The durability of concrete material is considered as one of the most important problems of concrete structures. Chloride corrosion is the main factor of concrete material performance degradation [ 1 , 2 , 3 , 4 ]. The external load affects the transport of chloride ions in the concrete cover.…”
Section: Introductionmentioning
confidence: 99%
“…The durability of concrete material is considered as one of the most important problems of concrete structures. Chloride corrosion is the main factor of concrete material performance degradation [ 1 , 2 , 3 , 4 ]. The external load affects the transport of chloride ions in the concrete cover.…”
Section: Introductionmentioning
confidence: 99%
“…ere was a slight increase in the depth of carbonation with increase in w/c. e depth of CO 2 penetration increased in the order w/c � 0.50 < w/c � 0.60. is can be attributed to the fact that increased w/c results in increased permeability of the hydrated mortar matrix and, thus, higher penetration of CO 2 [11,41,[49][50][51].…”
Section: Depth Of Carbonationmentioning
confidence: 99%