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Article: A reaction-diffusion modeling of carbonation process in self-compacting concrete

TitleA reaction-diffusion modeling of carbonation process in self-compacting concrete
Authors
KeywordsNumerical simulation
Carbonation process
SCC
Reaction-diffusion modeling
Issue Date2015
Citation
Computers and Concrete, 2015, v. 15, n. 5, p. 847-864 How to Cite?
Abstract© 2015 Techno-Press, Ltd. In this paper, a reaction-diffusion model of carbonation process in self-compacting concrete (SCC) was realized with a consideration of multi-field couplings. Various effects from environmental conditions, e.g. ambient temperature, relative humidity, carbonation reaction, were incorporated into a numerical simulation proposed by ANSYS. In addition, the carbonation process of SCC was experimentally investigated and compared with a conventionally vibrated concrete (CVC). It is found that SCC has a higher carbonation resistance than CVC with a comparable compressive strength. The numerical solution analysis agrees well with the test results, indicating that the proposed model is appropriate to calculate and predict the carbonation process in SCC. The parameters sensitivity analysis also shows that the carbon dioxide diffusion coefficient and moisture field are essentially crucial to the carbonation process in SCC.
Persistent Identifierhttp://hdl.handle.net/10722/251578
ISSN
2023 Impact Factor: 2.9
2023 SCImago Journal Rankings: 0.604
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFu, Chuanqing-
dc.contributor.authorYe, Hailong-
dc.contributor.authorJin, Xianyu-
dc.contributor.authorJin, Nanguo-
dc.contributor.authorGong, Lingli-
dc.date.accessioned2018-03-08T05:00:22Z-
dc.date.available2018-03-08T05:00:22Z-
dc.date.issued2015-
dc.identifier.citationComputers and Concrete, 2015, v. 15, n. 5, p. 847-864-
dc.identifier.issn1598-8198-
dc.identifier.urihttp://hdl.handle.net/10722/251578-
dc.description.abstract© 2015 Techno-Press, Ltd. In this paper, a reaction-diffusion model of carbonation process in self-compacting concrete (SCC) was realized with a consideration of multi-field couplings. Various effects from environmental conditions, e.g. ambient temperature, relative humidity, carbonation reaction, were incorporated into a numerical simulation proposed by ANSYS. In addition, the carbonation process of SCC was experimentally investigated and compared with a conventionally vibrated concrete (CVC). It is found that SCC has a higher carbonation resistance than CVC with a comparable compressive strength. The numerical solution analysis agrees well with the test results, indicating that the proposed model is appropriate to calculate and predict the carbonation process in SCC. The parameters sensitivity analysis also shows that the carbon dioxide diffusion coefficient and moisture field are essentially crucial to the carbonation process in SCC.-
dc.languageeng-
dc.relation.ispartofComputers and Concrete-
dc.subjectNumerical simulation-
dc.subjectCarbonation process-
dc.subjectSCC-
dc.subjectReaction-diffusion modeling-
dc.titleA reaction-diffusion modeling of carbonation process in self-compacting concrete-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.12989/cac.2015.15.5.847-
dc.identifier.scopuseid_2-s2.0-84930796997-
dc.identifier.volume15-
dc.identifier.issue5-
dc.identifier.spage847-
dc.identifier.epage864-
dc.identifier.isiWOS:000358476400008-
dc.identifier.issnl1598-818X-

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