Autogenous shrinkage revisited

O.M. Jensen*

*Corresponding author for this work

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Abstract

In the 1990s it became generally accepted in the scientific community that autogenous shrinkage is a major reason for cracking observed during hardening of high-performance concrete [1, 2]. Within this decade suitable measurement techniques to identify autogenous deformation were developed, a large amount of scientific studies on the phenomenon were done all over the World, and various methods to mitigate its adverse effects were tested [3]. Today, about 25 years later, clearly the general knowledge on autogenous shrinkage and its mitigation strategies are extensive, but practice is slow to adopt it. To some extent cracking is in practice considered part of the nature of concrete. In this presentation an overview is given regarding mitigation of autogenous shrinkage in the cementitious binder. Certainly cracking, including that generated by autogenous shrinkage, can be, and should be minimized.
Original languageEnglish
Title of host publicationConcrete Durability and Service Life Planning : Proceedings of ConcreteLife’20
Volume26
PublisherSpringer
Publication date2020
Pages84-88
DOIs
Publication statusPublished - 2020
SeriesRILEM Bookseries
ISSN2211-0844

Keywords

  • Autogenous
  • Shrinkage
  • Deformation
  • RH-change
  • Cracking

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