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2021 | OriginalPaper | Buchkapitel

Strength Behaviour of a High-Performance Concrete Under Drying

verfasst von : Ismail Yurtdas, Nicolas Burlion, Jianfu Shao, Alex Li

Erschienen in: International RILEM Conference on Early-Age and Long-Term Cracking in RC Structures

Verlag: Springer International Publishing

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Abstract

Cement-based materials usually undergo drying which influences their mechanical behaviour. This study investigates the evolution of mechanical properties of a high-performance self-compacting concrete subjected to drying at an early age and after long-term maturation. Uniaxial compression and bending tests are performed at different drying times. The evolution of the mechanical properties obtained is controlled by a competitive effect between material strengthening (due to capillary depression, disjoining pressure, hygral gradients, and hydration if it still occurs) and drying-induced micro-cracking (due to material heterogeneity and differential shrinkage). The competitive effect shows a great dependence on maturation level. Such couplings have to be taken into account for a reliable durability analysis.

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Metadaten
Titel
Strength Behaviour of a High-Performance Concrete Under Drying
verfasst von
Ismail Yurtdas
Nicolas Burlion
Jianfu Shao
Alex Li
Copyright-Jahr
2021
DOI
https://doi.org/10.1007/978-3-030-72921-9_13