Permeation properties of self-compaction concrete

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter attempts to provide an updated review on the permeation properties of SCC. Available experimental results on permeation properties of various SCC mixes in comparison with conventional vibrated concretes of a similar strength grade were analysed. As expected, the most important factors influencing the permeation properties of SCC mixes appeared to be: w/c ratio, degree of hydration and mineral additions. Due to the refined pore structure and denser ITZ observed, SCC mixes generally showed significantly lower gas permeability and water sorptivity, compared to conventional vibrated concrete of the same strength grade. The chloride ion diffusivity of the SCC mixes appeared to be significantly influenced by the total pore volume (or porosity). At similar w/c ratio and strength grade, the SCC mixes with significantly greater paste volume showed significantly higher chloride ion diffusivity than the corresponding conventional vibrated concrete mixes.
Original languageEnglish
Title of host publicationSelf-Compacting Concrete
Subtitle of host publicationMaterials, Properties and Applications
EditorsRafat Siddique
PublisherWoodhead Publishing Limited
Chapter5
Pages117-130
Number of pages14
ISBN (Electronic)9780128173701
ISBN (Print)9780128173695
Publication statusPublished - 20 Nov 2019

Publication series

NameWoodhead Publishing Series in Civil and Structural Engineering
PublisherElsevier
ISSN (Print)2052-4722

Keywords

  • Permeation
  • Fluid transport
  • Sorptivity
  • Permeability
  • Chloride ion diffusivity
  • Microstructure

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  • Cite this

    Zhu, W. (2019). Permeation properties of self-compaction concrete. In R. Siddique (Ed.), Self-Compacting Concrete: Materials, Properties and Applications (pp. 117-130). (Woodhead Publishing Series in Civil and Structural Engineering). Woodhead Publishing Limited. https://www.elsevier.com/books/self-compacting-concrete-materials-properties-and-applications/siddique/978-0-12-817369-5