Permeation properties of self-compacting concrete

Wenzhong Zhu, Peter J M Bartos

Research output: Contribution to journalArticle

Abstract

Permeation properties, which include permeability, absorption, diffusivity etc., have been widely used to quantify durability characteristics of concrete. This paper presents an experimental study on permeation properties of a range of different self-compacting concrete (SCC) mixes in comparison with those of selected traditional vibrated reference (REF) concretes of the same strength grade. The SCC mixes with characteristic cube strength of 40 and 60 MPa were designed containing either additional powder as filler or containing no filler but using a viscosity agent. The results indicated that the SCC mixes had significantly lower oxygen permeability and sorptivity than the vibrated normal reference concretes of the same strength grades. The chloride diffusivity, however, appeared to be much dependent on the type of filler used; the SCC mixes containing no additional powder but using a viscosity agent were found to have considerably higher diffusivity than the reference mixes and the other SCCs. (C) 2003 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)921-926
JournalCement and Concrete Research
Volume33
Issue number6
DOIs
Publication statusPublished - Jun 2003

Keywords

  • permeability
  • absorption
  • diffusion
  • durability
  • self-compacting concrete

Cite this

Zhu, Wenzhong ; Bartos, Peter J M. / Permeation properties of self-compacting concrete. In: Cement and Concrete Research. 2003 ; Vol. 33, No. 6. pp. 921-926.
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Permeation properties of self-compacting concrete. / Zhu, Wenzhong; Bartos, Peter J M.

In: Cement and Concrete Research, Vol. 33, No. 6, 06.2003, p. 921-926.

Research output: Contribution to journalArticle

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AU - Zhu, Wenzhong

AU - Bartos, Peter J M

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AB - Permeation properties, which include permeability, absorption, diffusivity etc., have been widely used to quantify durability characteristics of concrete. This paper presents an experimental study on permeation properties of a range of different self-compacting concrete (SCC) mixes in comparison with those of selected traditional vibrated reference (REF) concretes of the same strength grade. The SCC mixes with characteristic cube strength of 40 and 60 MPa were designed containing either additional powder as filler or containing no filler but using a viscosity agent. The results indicated that the SCC mixes had significantly lower oxygen permeability and sorptivity than the vibrated normal reference concretes of the same strength grades. The chloride diffusivity, however, appeared to be much dependent on the type of filler used; the SCC mixes containing no additional powder but using a viscosity agent were found to have considerably higher diffusivity than the reference mixes and the other SCCs. (C) 2003 Elsevier Science Ltd. All rights reserved.

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