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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Yurtdas, I., Burlion, N., Shao, J., Li, A. (2021). Strength Behaviour of a High-Performance Concrete Under Drying. In: Kanavaris, F., Benboudjema, F., Azenha, M. (eds) International RILEM Conference on Early-Age and Long-Term Cracking in RC Structures. CRC 2021. RILEM Bookseries, vol 31. Springer, Cham. https://doi.org/10.1007/978-3-030-72921-9_13
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DOI: https://doi.org/10.1007/978-3-030-72921-9_13
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