Roman Concrete: Self-Healing Mechanisms Explained
Lime clasts and hot mixing enable autogenic crack repair in ancient marine structures.
Lucia Bernardi
Analyses of Roman concrete show “hot mixing” with quicklime creates lime clasts that dissolve and reprecipitate calcite when cracks form, sealing microfractures in marine environments.
Materials
Volcanic ash (pozzolana), lime, and seawater interact to form durable C-A-S-H phases.
Modern Applications
Bio-inspired and mineral self-healing concretes could cut maintenance costs and emissions.
FAQs
Can we copy it? Yes, but raw materials and mixing conditions matter.
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