Chloride penetration in concrete exposed under different temperatures
Paper in proceedings, 2007

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.

Author

Bo Li

Chalmers, Civil and Environmental Engineering, Building Technology

Luping Tang

Chalmers, Civil and Environmental Engineering, Building Technology

Proceedings of International RILEM Workshop on Integrated Service Life Modelling of Concrete Structures

Vol. RILEM PRO 56 31-38

Subject Categories

Civil Engineering

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Created

10/7/2017