期刊
CEMENT AND CONCRETE RESEARCH
卷 34, 期 6, 页码 1007-1015出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cemconres.2003.11.012
关键词
permeability; electrical properties; temperature; concrete; conductivity
Concrete specimens were tested at different temperatures using the ASTM C1202 rapid chloride permeability test (RCPT). The influence of temperature on the RCPT results was analyzed and activation energies were calculated. An Arrhenius equation was presented to account for the Joule effect due to heating. Electrical properties of concrete derived from the test were evaluated and correlations were explained based on the effect of temperature on the kinetics of the pore fluid and on the microstructure of concrete. The results support the modification of ASTM C1202 by changing it to a 1-min conductivity test. (C) 2004 Elsevier Ltd. All rights reserved.
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