High-percentage replacement of cement with fly ash for reinforced concrete pipe

Charles Berryman, Jingyi Zhu, Wayne Jensen, Maher Tadros

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Fly ash is commonly used as a substitute for cement within concrete in various applications. Manufacturers of reinforced concrete products commonly limit the quantity of fly ash used to 25% or less by weight. Test cylinders with varying percentages of Class C (25-65%) and Class F (25-75%) fly ash and a water-reducing admixture (WRA) were created under field manufacturing conditions and tested for 7-day compressive strength. Seven-day compressive strength for the concrete/fly ash/WRA was found to be highest when the concrete mix included approximately 35% Class C or 25% Class F fly ash. However, substitution ratios of up to 65% Class C or 40% Class F fly ash for cement met or exceeded American Society for Testing and Materials (ASTM) strength requirements for manufacture of Class I, II and III reinforced concrete pipe (RCP).

Original languageEnglish (US)
Pages (from-to)1088-1091
Number of pages4
JournalCement and Concrete Research
Volume35
Issue number6
DOIs
StatePublished - Jun 1 2005

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Coal Ash
Concrete pipe
Fly ash
Reinforced concrete
Cements
Compressive strength
Concrete products
Concretes
Water
Concrete mixtures
Substitution reactions
Testing

Keywords

  • Admixture
  • Composite
  • Compressive strength
  • Fly ash

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)

Cite this

High-percentage replacement of cement with fly ash for reinforced concrete pipe. / Berryman, Charles; Zhu, Jingyi; Jensen, Wayne; Tadros, Maher.

In: Cement and Concrete Research, Vol. 35, No. 6, 01.06.2005, p. 1088-1091.

Research output: Contribution to journalArticle

Berryman, Charles ; Zhu, Jingyi ; Jensen, Wayne ; Tadros, Maher. / High-percentage replacement of cement with fly ash for reinforced concrete pipe. In: Cement and Concrete Research. 2005 ; Vol. 35, No. 6. pp. 1088-1091.
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