Structural Engineering and Mechanics

  • 제51권3호
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  • Pages.403-412
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  • 2014
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Corrosion resistant self-compacting concrete using micro and nano silica admixtures

  • Jalal, Mostafa (Young Researchers Club and Elites, Science and Research Branch, Islamic Azad University)
  • 투고 : 2013.09.04
  • 심사 : 2014.04.04
  • 발행 : 2014.08.10
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, enhancement of corrosion and chloride resistance of high performance self compacting concrete (SCC) through incorporating nanosilica into the binder has been investigated. For this purpose, different mixtures were designed with different amounts of silica fume and nano silica admixtures. Different binder contents were also investigated to observe the binder content effect on the concrete properties. Corrosion behavior was evaluated by chloride penetration and resitivity tests. Water absorption and capillary absorption were also measured as other durability-related properties. The results showed that water absorption, capillary absorption and Cl ion percentage decreased rather significantly in the mixtures containing admixtures especially blend of silica fume and nano silica. By addition of the admixtures, resistivity of the SCC mixtures increased which can lead to reduction of corrosion probability.

키워드

참고문헌

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