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http://hdl.handle.net/1942/31287
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DC Field | Value | Language |
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dc.contributor.author | Gholizadeh-Vayghan, Asghar | - |
dc.contributor.author | Bellinkx, Annelie | - |
dc.contributor.author | Snellings, Ruben | - |
dc.contributor.author | VANDOREN, Bram | - |
dc.contributor.author | Quaghebeur, Mieke | - |
dc.date.accessioned | 2020-06-12T10:02:37Z | - |
dc.date.available | 2020-06-12T10:02:37Z | - |
dc.date.issued | 2020 | - |
dc.date.submitted | 2020-05-25T10:52:06Z | - |
dc.identifier.citation | CONSTRUCTION AND BUILDING MATERIALS, 257 (Art N° 119486) | - |
dc.identifier.issn | 0950-0618 | - |
dc.identifier.uri | http://hdl.handle.net/1942/31287 | - |
dc.description.abstract | In this research, the effects of carbonation conditions on the physical, mechanical, microstructural anddurability properties of recycled concrete aggregate (RCA) are investigated. The results suggest thatregardless of the carbonation conditions, carbonation of RCA under wet moisture condition or moist car-bonation atmosphere results in no meaningful drop in water absorption or porosity. However, carbona-tion of RCA (preconditioned at 95% relative humidity) in the absence of external source of water vaporresults in significant drops in water absorption (up to 27%), porosity (27%), micro-Deval wear factor (40%regression) and freeze–thaw resistance (77% regression). Carbonation of RCA under optimal conditionswas found to densify the exterior surface of hydrated cement within the RCA grains through progressivedeposition of carbonates on the exterior of RCA grains. Carbonation also transforms the transition zonebetween the old cement and aggregates and results in formation of a dark rim around alite and belitegrains indicating reactivation of the residual unhydrated cement fraction. | - |
dc.description.sponsorship | The authors would like to acknowledge funding by the EFRDInterreg Vlaanderen-Nederland of the project ‘‘Beton naar hoog-waardig Beton”. The authors also gratefully acknowledge VITOSBR funding for the provision of time and resources. The technicalsupport provided by Mr. Peeraer Bo, the senior Technician of theART Group of VITO, is greatly appreciated. | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | 2020 Elsevier Ltd. All rights reserved. | - |
dc.subject.other | Recycled concrete aggregate | - |
dc.subject.other | Carbonation | - |
dc.subject.other | Water absorption | - |
dc.subject.other | Porosity | - |
dc.subject.other | Resistance to wear | - |
dc.subject.other | Resistance to freezing and thawing | - |
dc.title | The effects of carbonation conditions on the physical and microstructural properties of recycled concrete coarse aggregates | - |
dc.type | Journal Contribution | - |
dc.identifier.volume | 257 | - |
local.bibliographicCitation.jcat | A1 | - |
local.publisher.place | THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.bibliographicCitation.artnr | UNSP 119486 | - |
dc.identifier.doi | 10.1016/j.conbuildmat.2020.119486 | - |
dc.identifier.isi | WOS:000545559400018 | - |
dc.identifier.eissn | - | |
local.provider.type | CrossRef | - |
local.uhasselt.uhpub | yes | - |
item.fullcitation | Gholizadeh-Vayghan, Asghar; Bellinkx, Annelie; Snellings, Ruben; VANDOREN, Bram & Quaghebeur, Mieke (2020) The effects of carbonation conditions on the physical and microstructural properties of recycled concrete coarse aggregates. In: CONSTRUCTION AND BUILDING MATERIALS, 257 (Art N° 119486). | - |
item.contributor | Gholizadeh-Vayghan, Asghar | - |
item.contributor | Bellinkx, Annelie | - |
item.contributor | Snellings, Ruben | - |
item.contributor | VANDOREN, Bram | - |
item.contributor | Quaghebeur, Mieke | - |
item.validation | ecoom 2021 | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 0950-0618 | - |
crisitem.journal.eissn | 1879-0526 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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CONBUILDMAT-D-19-10113R1_paper.pdf | Peer-reviewed author version | 1.33 MB | Adobe PDF | View/Open |
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