期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 296, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2021.123756
关键词
Chloride; Carbonation; Cement-based materials; Combined action; Accelerated tests; Durability
An experimental investigation was conducted to understand the effect of chloride on the carbonation front. Results show that the presence of chloride decreases the carbonation front in cement based materials, possibly due to pore refinement and humidity retention caused by chloride. The impact on carbonation reduction varies according to the testing method used.
An experimental investigation was conducted to understand the effect of the presence of chloride on the carbonation front. Microstructural analysis was conducted to verify the carbonation development in material previously contaminated by chlorides. Accelerated tests were combined to understand how the presence of chlorides influences carbonation front and how chloride test method influences in these results. The results indicate that the presence of chloride decreases the carbonation front in cement based materials. This behaviour is related to the pore refinement and humidity retention caused by chloride. The impact on carbonation reduction occurs at different levels, according to the testing method used. (c) 2021 Elsevier Ltd. All rights reserved.
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