Effects of sulfate and expansive clinker contents on expansion time of expansive-cement paste

Menashi D. Cohen, Barzin Mobasher

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The objective of this paper is to discuss the relationships between sulfate content and expansion time and between expansive-clinker content and expansion time in expansive-cement pastes. Generally, as the amount of sulfate increases, expansion time increases as well. In addition, sulfate content versus expansion time relationship depends on the size distribution of expansive-clinker particles. The increase is linear for monosize expansive-clinker particles and curvilinear for polysize particles. Increase in amount of expansive clinker up to a critical mass results in increase of expansion time. Addition of expansive clinker beyond the critical mass content results in reduction of expansion time. The above relationships serve as a basis for a model which can be used for optimizing mixture proportions. Such mixture proportioning will require only a small number of trial mixtures in order to achieve the optimum expansion strain, mechanical properties, and cost.

Original languageEnglish (US)
Pages (from-to)147-157
Number of pages11
JournalCement and Concrete Research
Volume21
Issue number1
DOIs
StatePublished - 1991
Externally publishedYes

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Ointments
Sulfates
Cements
Mechanical properties
Costs

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Ceramics and Composites

Cite this

Effects of sulfate and expansive clinker contents on expansion time of expansive-cement paste. / Cohen, Menashi D.; Mobasher, Barzin.

In: Cement and Concrete Research, Vol. 21, No. 1, 1991, p. 147-157.

Research output: Contribution to journalArticle

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