Effects of shrinkage-reducing admixtures on restrained shrinkage cracking of concrete

Surendra P Shah*, M. E. Karaguler, M. Sarigaphuti

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

143 Scopus citations


This paper presents a study of the efficiency of shrinkage-reducing admixture (SRA) in controlling restrained shrinkage cracking of concrete. Three different types and amounts of SRA were used. Free-shrinkage tests and restrained-shrinkage tests (i.e., ring tests) were performed. The results of tests of the SRA concretes were compared with concrete reinforced with steel and polypropylene fibers and wire mesh. At the same time, weight losses were measured using free-shrinkage specimens. Pore-size distribution was determined and the flow rate of fresh concrete was also measured. The results show that the addition of SRA significantly reduces free shrinkage. The addition of shrinkage-reducing admixtures also caused a considerable reduction in crack width.

Original languageEnglish (US)
Pages (from-to)291-295
Number of pages5
JournalACI Materials Journal
Issue number3
StatePublished - May 1 1992

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)


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