Potential use of stockpiled circulating fluidized bed combustion ashes in controlled low strength material (CLSM) mixture

Chang Seon Shon, Anal K. Mukhopadhyay, Don Saylak, Dan G. Zollinger, Gleb G. Mejeoumov

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

This paper presents the results of an experimental investigation carried out to evaluate the potential use of stockpiled circulating fluidized bed combustion (CFBC) ashes in developing controlled low strength material (CLSM) in which stockpiled CFBC ash was partially or fully replaced with Class F fly ash. Prior to develop CLSM mixture, basic material characterization of stockpiled CFBC ash was executed to identify the physical, chemical, and mineralogical changes due to aging process of the stockpiled ashes. For CLSM mixture, stockpiled CFBC ash was replaced with five different percentages of Class F fly ash by weight (20%, 40%, 60%, 80%, and 100%). Tests were performed to measure fresh and hardened properties of CLSM mixtures. It was found that the stockpiled CFBC ash can be effectively used in developing CLSM mixtures with restricted use of portland cement and fly ash in the direction of sustainable development.

Original languageEnglish
Pages (from-to)839-847
Number of pages9
JournalConstruction and Building Materials
Volume24
Issue number5
DOIs
Publication statusPublished - May 2010
Externally publishedYes

Fingerprint

Ashes
Fluidized bed combustion
Coal Ash
Fly ash
Portland cement
Sustainable development
Aging of materials

Keywords

  • Circulating fluidized bed combustion ash
  • Controlled low strength material
  • Stockpiled ash

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

Potential use of stockpiled circulating fluidized bed combustion ashes in controlled low strength material (CLSM) mixture. / Shon, Chang Seon; Mukhopadhyay, Anal K.; Saylak, Don; Zollinger, Dan G.; Mejeoumov, Gleb G.

In: Construction and Building Materials, Vol. 24, No. 5, 05.2010, p. 839-847.

Research output: Contribution to journalArticle

Shon, Chang Seon ; Mukhopadhyay, Anal K. ; Saylak, Don ; Zollinger, Dan G. ; Mejeoumov, Gleb G. / Potential use of stockpiled circulating fluidized bed combustion ashes in controlled low strength material (CLSM) mixture. In: Construction and Building Materials. 2010 ; Vol. 24, No. 5. pp. 839-847.
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