The rheological properties of ternary binders containing Portland cement, limestone, and metakaolin or fly ash

Kirk Vance, Aditya Kumar, Gaurav Sant, Narayanan Neithalath

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

The influence of limestone particle size and the type and extent of (partial) cement replacement on the yield stress and plastic viscosity of ternary pastes are studied. Interpretations based on Bingham model indicate: (i) for binary/ternary blends containing coarse limestone, the yield stress and plastic viscosity remain unchanged or decrease with increasing cement replacement, (ii) in ternary blends, plastic viscosity increases with the fine limestone content, and (iii) the yield stress in ternary blends containing fly ash is dependent on the limestone content and fineness whereas in blends containing metakaolin, the yield stress reduces with an increase in limestone content, irrespective of the limestone particle size. These are attributed to: particle packing, water demand, and the interparticle spacing and contacts which are quantified using microstructural simulations. The yield stress and plastic viscosity show strong direct correlations to the specific surface area and inverse correlations to the water film thickness.

Original languageEnglish (US)
Pages (from-to)196-207
Number of pages12
JournalCement and Concrete Research
Volume52
DOIs
StatePublished - 2013

Fingerprint

Coal Ash
Calcium Carbonate
Portland cement
Limestone
Fly ash
Binders
Yield stress
Viscosity
Plastics
Cements
Particle size
Adhesive pastes
Water
Polymer blends
Ointments
Specific surface area
Film thickness

Keywords

  • Fly ash (D)
  • Limestone
  • Metakaolin (D)
  • Particle size distribution (B)
  • Rheology (A)

ASJC Scopus subject areas

  • Materials Science(all)
  • Building and Construction

Cite this

The rheological properties of ternary binders containing Portland cement, limestone, and metakaolin or fly ash. / Vance, Kirk; Kumar, Aditya; Sant, Gaurav; Neithalath, Narayanan.

In: Cement and Concrete Research, Vol. 52, 2013, p. 196-207.

Research output: Contribution to journalArticle

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