Analysis reveals steel fibres enhance crack bridging in concrete, suggesting improved post-cracking performance using acoustic emission and digital image correlation.
This study focuses on crack monitoring and localisation in concrete cubes reinforced with polymer fibres and steel fibres under a splitting test. Internal cracking behaviour was monitored using the acoustic emission (AE) method, while surface crack localization was achieved with digital image correlation (DIC). The integrated AE and DIC analysis showed that steel fibres can bridge microcracks more effectively than polymer fibres, thereby improving the post-cracking behaviour.
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Magdalena Rucka (2025) studied this question.
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