Simple methods to estimate the influence of limestone fillers on reaction and property evolution in cementitious materials

Aditya Kumar, Tandre Oey, Seohyun Kim, Davis Thomas, Sondos Badran, Jialin Li, Fabio Fernandes, Narayanan Neithalath, Gaurav Sant

Research output: Contribution to journalArticleScientificpeer-review

66 Citations (Scopus)

Abstract

A commercial interest in sustainable cementing materials is driving efforts to reduce the use of cement in concrete. Limestone fillers are a promising direction towards achieving such cement use reductions. In spite of increasing filler use, little information is available to rapidly estimate the influences of limestone fillers, and more importantly filler fineness on reaction and property development. This work develops simple models to predict the effect of particle size classified limestone on hydration reactions and compressive strength development. The method builds on a relativistic basis, such that enhancements and alterations in reactions and properties are described in relation to a given control (pure cement) mixture. The prediction method considers aspects such as: (1) accelerations in reactions, (2) changes in inter-particle spacing as linked to the limestone filler’s fineness and (3) a porosity increase with increasing cement replacement. The predictive power of the approach is demonstrated for a variety of mixtures composed using three ASTM C150 compliant cements and forwards a basis for developing mixture proportioning strategies, such that apriori estimations of the mixture response (reaction rate and mechanical properties) can be used to optimize binder proportioning and thus strategize new methods to limit cement use in concrete construction applications.
Original languageEnglish
Pages (from-to)20-29
JournalCement and Concrete Composites
Volume42
DOIs
Publication statusPublished - Sep 2013
MoE publication typeA1 Journal article-refereed

Fingerprint

Calcium Carbonate
Limestone
Fillers
Cements
Information use
Concrete construction
Hydration
Compressive strength
Reaction rates
Binders
Porosity
Particle size
Concretes
Mechanical properties

Keywords

  • setting
  • cement
  • limestone
  • hydration
  • strength

Cite this

Kumar, Aditya ; Oey, Tandre ; Kim, Seohyun ; Thomas, Davis ; Badran, Sondos ; Li, Jialin ; Fernandes, Fabio ; Neithalath, Narayanan ; Sant, Gaurav. / Simple methods to estimate the influence of limestone fillers on reaction and property evolution in cementitious materials. In: Cement and Concrete Composites. 2013 ; Vol. 42. pp. 20-29.
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Simple methods to estimate the influence of limestone fillers on reaction and property evolution in cementitious materials. / Kumar, Aditya; Oey, Tandre; Kim, Seohyun; Thomas, Davis; Badran, Sondos; Li, Jialin; Fernandes, Fabio; Neithalath, Narayanan; Sant, Gaurav.

In: Cement and Concrete Composites, Vol. 42, 09.2013, p. 20-29.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Li, Jialin

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