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Pro120-1

Restrained autogenous deformations: advanced evaluation of the early age stress development in concrete with blast-furnace slag



Author(s): Jérôme Carette, Stéphanie Staquet
Paper category: Proceedings
Book title: Proceedings of the 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures Volume 1
Editor(s): Stéphanie Staquet and Dimitrios Aggelis
ISBN:978-2-35158-199-5
e-ISBN:978-2-35158-198-8
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 271-276
Total Pages: 6
Language : English


Abstract: Many durability issues faced by concrete structures find their origin in initially present micro-cracks. Early-age cracking due to restrained deformations occurs at a time when concrete properties evolve, while the rate of deformations is still very high. This study confronts the predictions provided by CEB-FIP Model Code to actual measurements of the stress development in fully restrained deformations conditions with a TSTM device. It is observed that such modelling strategies can hardly be applied, especially in presence of supplementary cementitious materials (SCM). Recommendations are made for a more accurate modelling of the early age stress development in restrained deformation conditions.


Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00


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