Ageing and durability of concrete structures

Abstract : The serviceability of concrete structures is a coupled problem in which fracture and damage are coupled with several environmental attacks. In this chapter, we start with the investigation of chemo-mechanical damage due to calcium leaching. We show that the fracture characteristics, namely the internal length in continuum models evolve with ageing. This observation is confirmed with experiments on model materials. Acoustic emission data and size effect tests data are strongly correlated with the evolution of the microstructure of the material. This chapter concludes on some creep tests designed to investigate the coupled effect between creep and fracture.
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Gilles Pijaudier-Cabot, Khalil Haidar, Ahmed Loukili, Mirvat Omar. Ageing and durability of concrete structures. Degradations and Instabilities in Geomaterials, 461, Springer, pp.255-286, 2004, International Centre for Mechanical Sciences, 9783211219362. ⟨10.1007/978-3-7091-2768-1_9⟩. ⟨hal-01572477⟩

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