Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 107, Issue -, Pages 11-16Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2015.12.168
Keywords
Electrical resistivity; Pore network; Addition; Cement; Concrete
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This paper aims to contribute with durability studies by monitoring the unsaturated concrete resistivity over 2 years. Four types of cements commercially used in Brazil were investigated. Some statistical tests (ANOVA and Turkey's test) were performed to analyze the data. It was found that w/b ratios have no significant influence on the electrical resistivity values of the concrete for a same type of cement. However, the types of cement have a significant effect on resistivity. Cements with blast furnace slag and pozzolan additions have a higher resistivity. Trend lines to estimate the changes in resistivity over time were discovered. (c) 2015 Elsevier Ltd. All rights reserved.
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