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Chloride penetratio...
Chloride penetration in concrete exposed under different temperatures
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- Li, Bo, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tang, Luping, 1956 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2007
- 2007
- English.
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In: Proceedings of International RILEM Workshop on Integrated Service Life Modelling of Concrete Structures. ; RILEM PRO 56, s. 31-38
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Abstract
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- This paper presents the results from the laboratory investigation of chloride penetration in concrete exposed under different temperatures. As a part of doctoral work, six types of Portland cement concrete with w/c from 0.30 to 0.75 and with or without air entrained agent were used in the investigation. The concrete specimens were exposed to 3% NaCl solution under constant temperatures of 20 ºC, 5 ºC and 0 ºC, and daily cyclic temperature regime for freeze-thaw actions. The measurements include liquid uptake and chloride penetration profiles. The results show considerably big differences in chloride penetration profiles obtained after exposure under different temperatures. The results demonstrate again that the freeze-thaw action significantly increases the liquid uptake. This uptaken liquid as a chloride solution increased chloride ingress in concrete.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering (hsv//eng)
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- kon (subject category)
- ref (subject category)
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