Performance Assessment of Concrete Structures and Engineered Barriers for Nuclear Applications

1 Some definitions and terminology.- 1.1 Service Life.- 1.2 Long-term behaviour.- 1.3 Ageing Management.- References.- 2 Materials and Properties.- 2.1 Introduction.- 2.2 Blended cements and hydrated phase prediction.- 2.3 Characterization of low pH-cementitious materials.- 2.4 Fiber reinforced and advanced cement-based materials.- 2.5 Transport Properties.- 2.6 Coupled Phenomena and Materials Behaviour.- 2.7 Carbonation and Oxidation of Cementitious Materials.- 2.8 Leaching.- 2.9 Desiccation and pre-cracking in cement pastes and mortars.- 2.10 Understanding Durability and Performance in the Context of Specific Applications.- 2.11 Integration for Application to Engineering Systems.- 2.12 RILEM TC-226-CNM recommendations for future R&D.- References.- 3 Corrosion.- 3.1 Introduction.- 3.2 Corrosion of metals in concrete for nuclear applications.- 3.3 Corrosion mechanisms.- 3.4 Corrosion modelling.- 3.5 Corrosion test programmes.- 3.6 Effects of concrete cracking on corrosion behaviour.- 3.7 RILEM TC-226-CNM recommendations for future R&D.- References.- 4 Aging Management of Concrete Structures of NPPs.- 4.1 Introduction.- 4.2 Aging Management of Concrete Structures of NPPs.- 4.3 Conclusion.- 4.4 RILEM TC-226-CNM recommendations for future R&D.- References.- 5 Waste Management and Performance Assessment.- 5.1 Introduction.- 5.2 Role and durability of cement barriers in waste storage and disposal.- 5.3 Impact of gas generation and carbonation of cement systems.- 5.4 Conclusions.- 5.5 RILEM TC-226-CNM recommendations for future R&D.- References.- 6 Conclusions.