<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></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.

Early Age Autogenous Shrinkage of Fibre Reinforced Concrete

Insinööritoimisto Mäkeläinen Ltd (Engineering Office Mäkeläinen Ltd)

Concrete Technology Aalto University School of Engineering

Nordic Concrete Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Early Age Autogenous Shrinkage of Fibre Reinforced Concrete"}

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...

Early Age Autogenous Shrinkage of Fibre Reinforced Concrete

Online veröffentlicht: 31. Dez. 2018

Seitenbereich: 59 - 72

Eingereicht: 26. Sept. 2018

Akzeptiert: 28. Nov. 2018

DOI: https://doi.org/10.2478/ncr-2018-0015

Schlüsselwörter
Autogenous shrinkage, cracking, steel fibre, thermal deformation, hydration

© 2018 Farid Ullah et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Early Age Autogenous Shrinkage of Fibre Reinforced Concrete

Online veröffentlicht: 31. Dez. 2018

Seitenbereich: 59 - 72

Eingereicht: 26. Sept. 2018

Akzeptiert: 28. Nov. 2018

DOI: https://doi.org/10.2478/ncr-2018-0015

SchlüsselwörterAutogenous shrinkage, cracking, steel fibre, thermal deformation, hydration

© 2018 Farid Ullah et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
Autogenous shrinkage, cracking, steel fibre, thermal deformation, hydration