A review of self-healing concrete for damage management of structures
- De Belie, Nele
- Davies, Robert
- Jefferson, Anthony
- Gruyaert, Elke
- Al-Tabbaa, Abir
- Antonac, Paola
- Baera, Cornelia
- Bajare, Diana
- Darquennes, Aveline
- Ferrara, Liberato
- Litina, Chrysoula
- Miljevic, Bojan
- Otlewska, Anna
- Ranogajec, Jonjaua
- Roig-Flores, Marta
- Paine, Kevin
- Lukowski, Pawel
- Serna, Pedro
- Tulliani, Jean-Marc
- Vucetic, Snezana
- Wang, Jianyun
- Jonker, Henk
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DOIAbstract
The increasing concern for safety and sustainability of structures is calling for the development of smart self-healing materials and preventive repair methods. The appearance of small cracks (<300 µm in width) in concrete is almost unavoidable, not necessarily causing a risk of collapse for the structure, but surely impairing its functionality, accelerating its degradation, and diminishing its service life and sustainability. This review provides the state-of-the-art of recent developments of self-healing concrete, covering autogenous or intrinsic healing of traditional concrete followed by stimulated autogenous healing via use of mineral additives, crystalline admixtures or (superabsorbent) polymers, and subsequently autonomous self-heali...