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<p>Self-healing has emerged as an effective approach to advance the development of green concrete and improve material durability. Current research on crack self-healing demonstrates a diversified landscape, where various self-healing techniques exhibit distinct advantages and limitations. This paper systematically summarizes the characteristics of self-healing technologies and provides a comprehensive comparison of repair materials employed in four primary techniques: autogenous self-healing mechanisms, mineral admixtures, microencapsulation, and microbial induction. The conditions required for achieving optimal repair effects with different materials are explicitly outlined, accompanied by detailed explanations of the reaction mechanisms during crack repair processes, in order to provide theoretical basis and technical basis for further research of self-healing technology.</p>

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Research progress on the self-healing mechanism and technology of cracks in cementitious materials

  • 期刊论文

  • 发表日期：

    2025年12月11日

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  • Tong Wang,
  • Danjin Ding,
  • Huiping Song,
  • Haibin Wu,
  • Yinsheng Niu

摘要

Self-healing has emerged as an effective approach to advance the development of green concrete and improve material durability. Current research on crack self-healing demonstrates a diversified landscape, where various self-healing techniques exhibit distinct advantages and limitations. This paper systematically summarizes the characteristics of self-healing technologies and provides a comprehensive comparison of repair materials employed in four primary techniques: autogenous self-healing mechanisms, mineral admixtures, microencapsulation, and microbial induction. The conditions required for achieving optimal repair effects with different materials are explicitly outlined, accompanied by detailed explanations of the reaction mechanisms during crack repair processes, in order to provide theoretical basis and technical basis for further research of self-healing technology.