Early Age Autogenous Shrinkage of Fibre Reinforced Concrete

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Abstract

Concrete is often sensitive to cracking during the hardening process, and these cracks could be the result of early-age shrinkage. One method to reduce shrinkage is to add different types of fibres to concrete. The aim of this study was to study the effects of different types of fibres on the early-age autogenous shrinkage of concrete. Three different types of fibre materials were used in the research. A “Schleibinger Bending-drain” test setup was used to record early-age autogenous shrinkage of fresh concrete immediately after mixing. The results show that, a fibre
dosage of 0.38% by volume was found to be effective in reducing the effects of early-age autogenous shrinkage of concrete.
Original languageEnglish
Article number5
Pages (from-to)59-72
JournalNordic Concrete Research
Volume59
Issue number2/2018
DOIs
Publication statusPublished - Dec 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • CONCRETE
  • Shrinkage
  • Fiber
  • CEMENT
  • autogenous shrinkage
  • cracking
  • steel fibre
  • thermal deformation
  • hydration

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