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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 1    September 2009

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Evaluation of properties of concrete using fluosilicate salts and metal (Ni, W) compounds
Gyu-Yong KIM1, Eui-Bae LEE1, Bae-Su KHIL 2, Seung-Hun LEE3

1. Division of Architecture Engineering, Chungnam National University, Daejeon, Korea;
2. Research Institute of Technology, Tripod Co., Daejeon, Korea;
3. Research Institute of Technology, Samsung Construction and Engineering, Sungnam, Korea

Abstract:To improve watertightness and antibiosis of sewage structure concrete, the antimicrobial watertight admixture was made with fluosilicate salts and antimicrobial compounds. And fresh properties, watertightness, harmlessness and antibiosis of concrete were investigated experimentally. As a result, the fresh properties of concrete were similar to those of an ordinary concrete, without setting time delay. Compressive strength and carbonation resistance of concrete were better than those of an ordinary concrete. Finally it was confirmed that the antimicrobial watertight admixture of concrete had an antibiosis inhibiting SOB growth.

 

Key words: concrete; fluosilicate salts; antimicrobial metal; biochemical corrosion

ISSN 1672-7029
CN 43-1423/U

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