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Progress in Self-Repair Technology for Concrete Cracks via Biomineralization
Meirong Zong1, Wenhao Wang1, Haozhe Ma1
1Department of Civil Engineering, Changzhou University, Changzhou 213164, China.
Materials (Basel, Switzerland)
|November 13, 2025
Summary
Biomineralized self-healing concrete uses microorganisms or enzymes to generate calcium carbonate, sustainably repairing cracks up to 2.0 mm wide. This innovative material enhances concrete strength by 135% and extends building service life.
Area of Science:
- Materials Science
- Civil Engineering
- Biotechnology
Background:
- Biomineralized self-healing concrete offers sustainable crack repair by utilizing microbial or enzymatic processes to precipitate calcium carbonate.
- This technology can enhance structural integrity and prolong the service life of buildings and infrastructure.
Purpose of the Study:
- To comprehensively review the latest advancements in biomineralized self-healing concrete technologies.
- To analyze various approaches including microbial, enzyme-induced, and synergistic methods for crack repair.
Main Methods:
- Microbial-based self-healing concrete.
- Enzyme-induced calcium carbonate precipitation (EICP).
- Microcapsule-loaded microbial in situ remediation.
- Bio-inorganic mineral synergist self-healing technology.
Main Results:
- The reviewed methods demonstrate effective crack self-repair, with a maximum repairable crack width of 2.0 mm.
- Concrete strength can be significantly increased, with reported enhancements of up to 135%.
Conclusions:
- Biomineralized self-healing concrete presents viable strategies for sustainable crack repair in concrete structures.
- This technology offers fundamental knowledge for intelligent engineering applications and supports the development of advanced building materials.
Keywords:
calcium carbonate carbonationconcrete bioremediationenzyme-mediated processesmicroencapsulationself-healing cracksMore Related Videos
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