Author(s)

Anran Luo ¹, Yaze Jiao ¹

Affiliation(s)

¹ School of Civil Engineering, North China University of Technology, Beijing, 100144, China

Corresponding Author

Anran Luo

ABSTRACT

As a novel cement-based composite, Ultra-High Performance Concrete (UHPC) is increasingly recognized as an essential material in modern construction and infrastructure projects, owing to its superior mechanical characteristics and long-lasting durability. This paper systematically introduces the basic properties, development background, and mechanical properties of UHPC, focusing on its self-healing mechanism and its application in special environments. The self-repairing capabilities of UHPC can be achieved through both autogenous and autonomous healing mechanisms, in which autogenous healing repairs the cracks by further hydration or chemical reaction of the cementitious materials, whereas autonomous healing realizes cracks repair through the addition of specific healing agents, such as bacteria or microcapsules) to achieve crack repair. This paper also includes a literature review on self-healing behavior of UHPC and its loss mechanism under different harsh environments such as high temperatures, dry and wet cycles, freeze-thaw cycles, and so on. It is shown that UHPC still maintains a strong self-healing ability in these environments, but may face a decline in self-healing effect in extreme environments. Therefore, future research should focus on optimizing self-healing techniques and improving their adaptability in specific environments. The innovation of this paper systematically summarizes the research results on the self-healing performance of UHPC in diverse settings in the existing literature, and analyzes the specific influence of various types of environments on the self-healing effect, offering a theoretical foundation for the future use of UHPC in engineering applications and advancing the development of self-healing technologies in UHPC.

KEYWORDS

Ultra-High Performance Concrete (UHPC), Self-healing, Mechanical Properties, Durability, Specialized Environments

CITE THIS PAPER

Anran Luo, Yaze Jiao, A Review of Research on Self-Healing Properties of Ultra-High Performance Concrete. Journal of Materials, Processing and Design (2025) Vol. 9: 20-27. DOI: http://dx.doi.org/10.23977/jmpd.2025.090103.

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