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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50405

Title: Mechanical properties of carbonated concrete
Authors: Jiang Jhy Chang
Weichung Yeih
Ran Huang
Jack Maochieh Chi
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: carbonation
compressive strength
bond strength
hardness
Date: 2003-10
Issue Date: 2018-10-08T02:35:28Z
Publisher: Journal of the Chinese Institute of Engineers
Abstract: Abstract: In this paper, mechanical properties of carbonated concrete were studied. Com‐pressive strength, splitting tensile strength, elastic modulus, bond strength and hardness for carbonated concrete subjected to various carbonation conditions were evaluated. Experimental results indicated that all these mechanical properties showed a higher value after carbonation. Especially the bond strength for fully carbonated concrete was about 1.7 that for uncarbonated concrete. Hardness experiments showed that concrete 0.5 cm deeper than the carbonation depth, measured by the method of RILEM CPC‐18, had a hardening effect due to carbonation products. It was found that enhancement of compressive strength was more significant if the carbonation and the loading directions were orthogonal. SEM photos showed that limestone was formed after carbonation, which is the main reason for changes in mechanical properties.
Relation: 26(4) pp.513-522
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50405
Appears in Collections:[河海工程學系] 期刊論文

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