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Do supplementary cementitious materials and blended cements indeed increase cracking potential of concrete?

Author(s): Konstantin Kovler
Paper category: Proceedings
Book title: Proceedings of the International RILEM Conference
Materials, Systems and Structures in Civil Engineering 2016
Segment on Concrete with Supplementary Cementitious Materials
Editor(s): Ole M. Jensen, Konstantin Kovler and Nele De Belie
e-ISBN: 978-2-35158-179-7
Publisher: RILEM Publications SARL
Publication year: 2016
Pages: 384 - 395
Total Pages: 12
Language : English

Abstract: The results of standard restrained shrinkage ring tests demonstrate that introduction of supplementary cementitious materials (SCM) in concrete mixes and reduction of clinker content in the cement do not necessarily reduce the cracking potential. These results are contradictory with findings of other authors demonstrating that binary and ternary cementitious binders, in spite of their higher autogenous shrinkage potential, often exhibit later autogenous cracking ages than the control Portland cement mix. The reasons of this contradiction are hereby analysed.

Online publication : 2016
Publication type : full_text
Public price (Euros) : 0.00

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