{"refrec":{"BRefID":362143,"RR":"<b>Cherif, R.; Hamami, A.E.A.; Ait-Mokhtar, A.; Bosschaerts, W.</b> (2022). Thermodynamic equilibria-based modelling of reactive chloride transport in blended cementitious materials. <i>Cement and Concrete Research 156</i>: 106770. <a href=\"https://dx.doi.org/10.1016/j.cemconres.2022.106770\" target=\"_blank\">https://dx.doi.org/10.1016/j.cemconres.2022.106770</a>","BEntID":359859,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Cement and Concrete Research 156</i>: 106770. <a href=\"https://dx.doi.org/10.1016/j.cemconres.2022.106770\" target=\"_blank\">https://dx.doi.org/10.1016/j.cemconres.2022.106770</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Cherif, R.; Hamami, A.E.A.; Ait-Mokhtar, A.; Bosschaerts, W.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Cherif, R. <i>et al.</i>","Englishabstract":"A physico-chemical modelling of multispecies transport through cementitious materials is proposed considering thermodynamic equilibria, diffusion and migration. The model considers seven species profiles (<i>Cl<sup>−</sup>, Na<sup>+</sup>, K<sup>+</sup>, Ca<sup>2+</sup>, SO<sub>4</sub><sup>2−</sup>, Al(OH)<sub>4</sub><sup>−</sup> </i>and <i>OH<sup>−</sup></i>) and the dissolution/precipitation rates during multispecies transport under an electrical field. The fluxes are calculated by the Nernst-Planck equation. Case studies were performed simulating the chloride migration test in the steady state and NT Build 492 test on cement pastes based on slag and/or Portland cement. In order to simulate real exposure to seawater, the migration tests were based on synthetic seawater in the upstream compartment and a synthetic pore solution in the downstream. Pore solution extractions and scanning electron microscopy were performed in order to provide input data and to monitor dissolution/precipitation reactions. The proposed modelling highlights a reduction of up to 10% of free chlorides in the material tested compared to the classic Nernst-Planck modelling.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Thermodynamic equilibria-based modelling of reactive chloride transport in blended cementitious materials","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":"Transport modelling; Durability; Chlorides; Dissolution; precipitation rates; Scanning electron microscopy","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-03-14","DateCreate":"2023-03-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000800040200002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.cemconres.2022.106770"},"refs":null,"anarec":{"AnaID":362143,"PubliDate":2022,"Pagination":"106770","XtraPublOfAnaID":null,"ISBN":null,"Volume":"156","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":265514,"SerRR":"Cement and Concrete Research. 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