FraMCoS 7 2010 Jeju, South Korea

Comparison of chloride diffusion in nine months concrete specimens containing metakaoline and silica fume pozzolans.

Chloride diffusion is one of the major causes of deterioration of concrete structures in Persian Gulf. A large amount of research has been conducted to study the chloride diffusion of concrete, both theo- retically and experimentally. In this paper, chloride…

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Year 2010
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Abstract

Chloride diffusion is one of the major causes of deterioration of concrete structures in Persian Gulf. A large amount of research has been conducted to study the chloride diffusion of concrete, both theo- retically and experimentally. In this paper, chloride diffusion of concretes contain metakaoline (5%, 10%, 15%) and silica fume (5%, 7.5%, 10%) as a replacement of cement compared with control specimen after nine months exposure in tidal and splash zones in Persian Gulf. The results show replacements of cement with silica fume and metakaoline reduce the chloride penetration into concrete, significantly.