Effects of mineral and chemical admixtures on high-strength concrete in seawater

A. H. Memon, S. S. Radin, Muhammad Fauzi Mohd. Zain, Jean Francois Trottier

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The effects of mineral and chemical admixtures namely fly ash, ground granulated blast furnace slag, silica fume and superplasticizers on the porosity, pore size distribution and compressive strength development of high-strength concrete in seawater curing condition exposed to tidal zone were investigated. In this study, three levels of cement replacement (0%, 30% and 70% by weight) were used. The total cementitious content used was 420 kg/m3. A water/binder ratio of 0.4 was used to produce concrete having a target compressive strength ranging between 54 and 63 MPa at the age of 28 days. At the age of 364 days, the compressive strength of the specimens produced ranged between 59 and 74 MPa. The pore size distribution of both high-strength concrete (MSS-0 and MSS-40) was significantly finer and the mean volume pore radii (MVPR) at the age of 6 months were reduced about three times compared to NPC concrete. Results of this study indicate that both concrete mixes (30% and 70%) exhibited better performance than the NPC concrete in seawater exposed to tidal zone. Hence, it is believed that both high-strength concrete produced would withstand severe seawater exposure without serious deterioration.

Original languageEnglish
Pages (from-to)373-377
Number of pages5
JournalCement and Concrete Research
Volume32
Issue number3
DOIs
Publication statusPublished - Mar 2002

Fingerprint

Seawater
Minerals
Concretes
Compressive strength
Pore size
Coal Ash
Silica fume
Concrete mixtures
Fly ash
Slags
Binders
Deterioration
Curing
Cements
Porosity
Water

Keywords

  • Admixtures
  • Compressive strength
  • High-strength concrete
  • Pore size distribution
  • Porosity

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Ceramics and Composites

Cite this

Effects of mineral and chemical admixtures on high-strength concrete in seawater. / Memon, A. H.; Radin, S. S.; Mohd. Zain, Muhammad Fauzi; Trottier, Jean Francois.

In: Cement and Concrete Research, Vol. 32, No. 3, 03.2002, p. 373-377.

Research output: Contribution to journalArticle

Memon, A. H. ; Radin, S. S. ; Mohd. Zain, Muhammad Fauzi ; Trottier, Jean Francois. / Effects of mineral and chemical admixtures on high-strength concrete in seawater. In: Cement and Concrete Research. 2002 ; Vol. 32, No. 3. pp. 373-377.
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