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Title |
Experimental Evaluation of Crack Healing Properties of Mortar Incorporating Self-Healing Capsules Using Ultrasonic Testing
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DOI |
https://doi.org/10.4334/JKCI.2025.37.6.727 |
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Keywords |
초음파 시험; 초음파 펄스 속도; 자기치유 캡슐; 균열깊이; 치유율 ultrasonic testing; ultrasonic pulse velocity; self-healing capsules; crack depth; healing rate |
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Abstract |
In this study, the crack healing performance of mortar incorporating self-healing capsules was quantitatively evaluated using ultrasonic testing. These measurements were then used to determine the crack healing efficiency and to compare the healing performance of SHC with that of plain mortar. Additionally, the healing effects of SHC were indirectly verified through water flow tests. A significant positive correlation between crack depth reduction and healing rate was identified under both 600V and 1,200V pulse voltage conditions. Linear regression and analysis of variance (ANOVA) confirmed the statistical significance of the proposed model. Based on these results, ultrasonic testing could be a reliable method for quantitatively assessing the healing performance of self-healing mortar and has potential use in standardized assessment procedures.
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