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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.5 P.675-681


Fire’s effect on chloride ingress related durability of concrete structure

Author(s):  JIN Wei-liang, ZHANG Yi

Affiliation(s):  Structural Engineering Institute, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhangyi.zju@gmail.com

Key Words:  Fire, High temperature, Polyvinyl chloride (PVC), Mathematical model, Rapid Chloride Migration (RCM)

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JIN Wei-liang, ZHANG Yi. Fire’s effect on chloride ingress related durability of concrete structure[J]. Journal of Zhejiang University Science A, 2007, 8(5): 675-681.

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A1 - JIN Wei-liang
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This paper describes the effects of fire on durability of reinforced concrete structures, and points out that fire not only damages the chemical composition and physical structure of concrete by high temperature, but also leads to an additional risk due to the generation of polyvinyl chloride (PVC) combustion gases. A mathematical model is proposed to calculate chloride ingress profiles in fire damaged concrete, so as to explore the service life prediction of the structure. rapid Chloride Migration (RCM) test was carried out to determine the chloride diffusion coefficients for the application of the mathematical model. Finally, the detected results of a reported case testified to the validity of the mathematical model.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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