Experimental Study on Chloride Diffusion in Structural Concrete considering the Effect of Damages Induced by the Cyclic Impact Loading
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DOI: 10.1007/s12205-020-0477-4
Abstract: An experimental investigation on chloride diffusion in structural concrete under the cyclic impact loading is conducted. Effects of magnitudes and loading times are studied. Relationship between damage coefficients and chloride diffusion coefficients is obtained. The… read more here.
Keywords: cyclic impact; diffusion; chloride diffusion; impact loading ... See more keywords
Influence of temperature history on chloride diffusion in high volume fly ash concrete
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DOI: 10.1016/j.conbuildmat.2017.03.225
Abstract: Abstract This paper presents the influence of temperature history on chloride diffusion of high volume fly ash (HVFA) concrete. Four different curing temperature histories, referenced as SDC (standard curing), SMC (steam curing), OC (outdoor curing)… read more here.
Keywords: ash concrete; fly ash; temperature; chloride diffusion ... See more keywords
Analytical solution and experimental validation for dual time-dependent chloride diffusion in concrete
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DOI: 10.1016/j.conbuildmat.2017.11.176
Abstract: Abstract An analytical solution for dual time-dependent chloride diffusion within concrete was developed by taking into account the time-dependent behaviour of both surface chloride concentration and chloride diffusion coefficient. Firstly, the time-varying chloride diffusion coefficient… read more here.
Keywords: chloride diffusion; time; time dependent; solution ... See more keywords
A numerical study on chloride diffusion in freeze-thaw affected concrete
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DOI: 10.1016/j.conbuildmat.2018.05.209
Abstract: Abstract Existing concrete in cold or coastal regions is attacked by chloride penetration under freeze-thaw cycles (FTCs). The combined deterioration process accelerate the damage evolution of concrete and reduces the service life of concrete structures.… read more here.
Keywords: study; freeze; chloride diffusion; freeze thaw ... See more keywords
Chloride diffusion assessment in RC structures considering the stress-strain state effects and crack width influences
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DOI: 10.1016/j.conbuildmat.2018.12.166
Abstract: Abstract The aim of this study is to investigate the chloride ions diffusion in sound and cracked concrete under compressive loads. The model includes the analytical setup and data analyses. The governing equations are modified… read more here.
Keywords: chloride diffusion; diffusion assessment; diffusion; diffusion coefficient ... See more keywords
Probabilistic prediction model for chloride diffusion coefficient of concrete in terms of material parameters
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DOI: 10.1016/j.conbuildmat.2019.04.147
Abstract: Abstract In order to provide an efficient way to describe the probabilistic characteristics of chloride diffusion coefficient, a probabilistic prediction model which involves both aleatory and epistemic uncertainties was developed for chloride diffusion coefficient of… read more here.
Keywords: chloride diffusion; diffusion coefficient; prediction; prediction model ... See more keywords
Comparisons of instantaneous chloride diffusion coefficients determined by RCM method and chloride natural diffusion test
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DOI: 10.1016/j.conbuildmat.2019.07.014
Abstract: Abstract Chloride diffusion coefficients, which include the chloride diffusion coefficient D RCM measured from the rapid chloride migration (RCM) test, the instantaneous chloride diffusion coefficient D ins and the apparent chloride diffusion coefficient D a… read more here.
Keywords: chloride diffusion; natural diffusion; test; diffusion ... See more keywords
Influence of the coupled time and concrete stress effects on instantaneous chloride diffusion coefficient
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DOI: 10.1016/j.conbuildmat.2019.117645
Abstract: Abstract Chloride ion penetration can cause corrosion of steel embedded in concrete in chloride-laden environment. Investigating the model of chloride diffusion is of vital importance to durability assessment and residual service life prediction of concrete… read more here.
Keywords: stress; time; chloride diffusion; diffusion coefficient ... See more keywords
Modelling of two-dimensional chloride diffusion concentrations considering the heterogeneity of concrete materials
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DOI: 10.1016/j.conbuildmat.2020.118213
Abstract: Abstract Chloride ingression into reinforced concrete (RC) is currently considered an important reason behind the deterioration of RC structures exposed to aggressive environments. Previous studies have been mostly devoted to investigations on the one-dimensional transport… read more here.
Keywords: dimensional chloride; chloride diffusion; two dimensional; heterogeneity concrete ... See more keywords
A multi-phase mesoscopic simulation model for the diffusion of chloride in concrete under freeze–thaw cycles
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DOI: 10.1016/j.conbuildmat.2020.120223
Abstract: Abstract Reinforced concrete (RC) structures in cold regions are subjected to double attacks of chloride erosion and freeze–thaw cycles (FTCs), accelerating the deterioration of concrete performance. Here, a multi-phase mesoscopic numerical model is proposed to… read more here.
Keywords: diffusion; chloride diffusion; thaw cycles; freeze thaw ... See more keywords
The effects of sodium chloride on the diffusion of sulfonated resorcinarenes in aqueous solutions
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DOI: 10.1016/j.fluid.2020.112629
Abstract: Abstract The effect of sodium chloride on the diffusion of aqueous Na4ETRA (tetrasodium 5,11,17,23-tetrakissulfonatemethylen-2,8,14,20-tetra(ethyl)resorcin[4]arene) and Na4PRRA (tetrasodium 5,11,17,23-tetrakissulfonatemethylen-2,8,14,20-tetra(propyl)resorcin[4]arene) are investigated by using the Taylor dispersion technique to measure diffusion in aqueous resorcinarene solutions with and… read more here.
Keywords: etra4 prra4; diffusion; chloride diffusion; na4etra na4prra ... See more keywords