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Article: Effects of aggregate bulking and film thicknesses on water permeability and strength of pervious concrete

TitleEffects of aggregate bulking and film thicknesses on water permeability and strength of pervious concrete
Authors
Li, LGFeng, JJLu, ZCXie, HZXiao, BFKwan, AKHJiao, CJ
KeywordsAggregate bulking
Film thicknesses
Pervious concrete
Porosity
Strength
Water permeability
Issue Date1-Jan-2022
PublisherElsevier
Citation
Powder Technology, 2022, v. 396, n. Part B, p. 743-753 How to Cite?
DOI: http://dx.doi.org/10.1016/j.powtec.2021.11.019
AbstractPervious concrete is produced by adding less than enough paste to fill the voids in the aggregate to form drainage channels inside the concrete. However, the volume of voids in the aggregate increases after the addition of paste due to aggregate bulking, which has been ignored in previous studies. Moreover, it is still not precisely known how the unfilled voids influence the performance of pervious concrete. In this research, the flowability and adhesion of paste and the bulking of aggregate were investigated and the effects of paste properties, aggregate bulking, water film thickness (WFT) and paste film thickness (PFT) on the permeability and strength of pervious concrete were evaluated. The results revealed that the paste properties, aggregate bulking, WFT and PFT play major roles and thus are the key factors to be considered in the design of pervious concrete. Lastly, a 3-step mix design method for pervious concrete is proposed.
Persistent Identifierhttp://hdl.handle.net/10722/338199
ISSN
0032-5910
2021 Impact Factor: 5.640
2020 SCImago Journal Rankings: 1.079

 

DC FieldValueLanguage
dc.contributor.authorLi, LG-
dc.contributor.authorFeng, JJ-
dc.contributor.authorLu, ZC-
dc.contributor.authorXie, HZ-
dc.contributor.authorXiao, BF-
dc.contributor.authorKwan, AKH-
dc.contributor.authorJiao, CJ-
dc.date.accessioned2024-03-11T10:27:00Z-
dc.date.available2024-03-11T10:27:00Z-
dc.date.issued2022-01-01-
dc.identifier.citationPowder Technology, 2022, v. 396, n. Part B, p. 743-753-
dc.identifier.issn0032-5910-
dc.identifier.urihttp://hdl.handle.net/10722/338199-
dc.description.abstractPervious concrete is produced by adding less than enough paste to fill the voids in the aggregate to form drainage channels inside the concrete. However, the volume of voids in the aggregate increases after the addition of paste due to aggregate bulking, which has been ignored in previous studies. Moreover, it is still not precisely known how the unfilled voids influence the performance of pervious concrete. In this research, the flowability and adhesion of paste and the bulking of aggregate were investigated and the effects of paste properties, aggregate bulking, water film thickness (WFT) and paste film thickness (PFT) on the permeability and strength of pervious concrete were evaluated. The results revealed that the paste properties, aggregate bulking, WFT and PFT play major roles and thus are the key factors to be considered in the design of pervious concrete. Lastly, a 3-step mix design method for pervious concrete is proposed.-
dc.languageeng-
dc.publisherElsevier-
dc.relation.ispartofPowder Technology-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAggregate bulking-
dc.subjectFilm thicknesses-
dc.subjectPervious concrete-
dc.subjectPorosity-
dc.subjectStrength-
dc.subjectWater permeability-
dc.titleEffects of aggregate bulking and film thicknesses on water permeability and strength of pervious concrete-
dc.typeArticle-
dc.identifier.doi10.1016/j.powtec.2021.11.019-
dc.identifier.scopuseid_2-s2.0-85119679332-
dc.identifier.volume396-
dc.identifier.issuePart B-
dc.identifier.spage743-
dc.identifier.epage753-
dc.identifier.eissn1873-328X-
dc.identifier.issnl0032-5910-

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