Impact of air exposure post-steam curing on the internal curing efficiency of porous ceramic roof-tile waste fine aggregate in steam-cured fly ash concrete

Materials Letters Volume 366 Page 136576- published_at 2024-04-29
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Title ( eng )
Impact of air exposure post-steam curing on the internal curing efficiency of porous ceramic roof-tile waste fine aggregate in steam-cured fly ash concrete
Creator
Suzuki Shinya
Source Title
Materials Letters
Volume 366
Start Page 136576
Abstract
This study aims to elucidate the impact of drying on the internal curing effect of fine aggregates derived from roof-tile waste in steam-cured fly ash concrete. The research examines the compressive strength, mass loss, surface moisture content, and surface air permeability of the concrete under two conditions: conventional steam curing (followed by exposure to air) and six-day sealed curing post-steam curing. Additionally, pore size distributions were exclusively evaluated for concrete exposed to air post-steam curing. Results indicate that drying after steam curing negatively affects the internal curing by porous ceramic roof-tile waste. Nonetheless, internal curing effectively mitigated the negative impact of drying on the surface layer of steam-cured concrete.
Keywords
Drying after steam curing
Internal curing
Fly ash concrete
Compressive strength
Surface air permeability
Language
eng
Resource Type journal article
Publisher
Elsevier
Date of Issued 2024-04-29
Rights
© 2024. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
This is not the published version. Please cite only the published version.
この論文は出版社版ではありません。引用の際には出版社版をご確認、ご利用ください。
Publish Type Accepted Manuscript
Access Rights embargoed access
Source Identifier
[DOI] https://doi.org/10.1016/j.matlet.2024.136576 isVersionOf
助成機関名
日本学術振興会
Japan Society for the Promotion of Science
助成機関識別子
[Crossref Funder] https://doi.org/10.13039/501100001691
研究課題名
蒸気養生したフライアッシュコンクリートの表層組織の分析と内部養生による高耐久化
Investigation on surface microstructure of steam-cured fly ash concrete and enhancement of the durability by internal curing
研究課題番号
23K03986
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