{"refrec":{"BRefID":382749,"RR":"<b>Meng, Z.Z.; Liu, Q.F.; Ukrainczyk, N.; Mu, S.; Zhang, Y.F.; De Schutter, G.</b> (2024). Numerical study on the chemical and electrochemical coupling mechanisms for concrete under combined chloride-sulfate attack. <i>Cement and Concrete Research 175</i>: 107368. <a href=\"https://dx.doi.org/10.1016/j.cemconres.2023.107368\" target=\"_blank\">https://dx.doi.org/10.1016/j.cemconres.2023.107368</a>","BEntID":380490,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Cement and Concrete Research 175</i>: 107368. <a href=\"https://dx.doi.org/10.1016/j.cemconres.2023.107368\" target=\"_blank\">https://dx.doi.org/10.1016/j.cemconres.2023.107368</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Meng, Z.Z.; Liu, Q.F.; Ukrainczyk, N.; Mu, S.; Zhang, Y.F.; De Schutter, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Meng, Z.Z. <i>et al.</i>","Englishabstract":"Cementitious materials exposed to marine and saline environments are commonly threatened by a combined attack of sulfate and chloride ions. This study developed a numerical framework to investigate two combined coupling mechanisms of 1) coupled solid-liquid chemical reactions for competitive chloride-sulfate attack and 2) electrostatic multi-ion coupling effect on reactive-transport mechanisms. Various chemical reactions including sulfate attack with anhydrous calcium aluminates, secondary precipitation of expansive minerals, competitive binding, and calcium leaching have been quantified. The electrostatic potential caused by multi-ions coupling was solved according to constitutive electrochemical laws. After model validation, the chemical coupling mechanisms for solid-liquid reactions during competitive chloride-sulfate binding were investigated. On this foundation, the influence of electrostatic multi-ionic coupling effects on ionic transport and its interaction with chemical coupling were disclosed. It was found that neglecting multi-ions coupling effect would result in an underestimated chemical coupling strength in competitive chloride-sulfate binding.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Numerical study on the chemical and electrochemical coupling mechanisms for concrete under combined chloride-sulfate attack","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Chloride ingress; Sulfate attack; Competitive binding; Electrostatic potential; Numerical modelling; Reactive -transport","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2024-02-26","DateCreate":"2024-02-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001125056400001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.cemconres.2023.107368"},"refs":null,"anarec":{"AnaID":382749,"PubliDate":2024,"Pagination":"107368","XtraPublOfAnaID":null,"ISBN":null,"Volume":"175","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":265514,"SerRR":"Cement and Concrete Research. 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