Abstract
Concrete due to its brittle nature easily cracks. Such cracks in concrete structures become the pathway for the penetration of aggressive agents which in turn affect the durability, functionality, and strength of the structure. To ensure the desired functioning of the structure suffering from concrete cracks, regular maintenance and special types of treatments are necessary which may be sometimes expensive and time-consuming. The application of smart materials, especially self-healing concrete has received significant attention due to its ability to heal cracks automatically, which is a relatively quick and economical alternative to conventional methods. In the present study, a comprehensive review of encapsulated self-healing concrete is discussed. The study of the literature reveals that the selection of suitable healing material and the capsules shell are major challenges reported by various researchers. In this paper, a detailed review of various healing and shell materials is carried out along with a review of the performance of self-healing efficiency through various experimental techniques. Challenges in the selection of suitable healing and shell materials for the development of encapsulated concrete keep the research area active.
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Mistry, M., Shah, S. (2021). Concrete with Encapsulated Self-healing Agent: A Critical Review. In: Ashish, D.K., de Brito, J., Sharma, S.K. (eds) 3rd International Conference on Innovative Technologies for Clean and Sustainable Development. ITCSD 2020. RILEM Bookseries, vol 29. Springer, Cham. https://doi.org/10.1007/978-3-030-51485-3_14
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