Use of recycled concrete aggregates as carriers for self-healing of concrete cracks by bacteria with high urease activity
Construction and Building Materials（2022）
Abstract
•Bacterial culture with high urease activity and propagation stability was optimized.•Potential of RCAs as carrier for microbial healing agents was confirmed.•Strength and water tightness regains were close to 100% by microbial self-healing.
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Key words
Concrete crack,Self-healing,Microbial induced carbonate precipitation,Recycled concrete aggregate,Water permeability
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