Relevant tidbit: hot mixing with quicklime was key for this self-healing property[1], as it allowed the creation of small lime clasts across the material. [1]

Relevant tidbit: hot mixing with quicklime was key for this self-healing property[1], as it allowed the creation of small lime clasts across the material. [1] https://arstechnica.com/science/2023/01/ancient-roman-concrete-could-self-heal-thanks-to-hot-mixing-with-quicklime/ https://arstechnica.com/science/2023/01/ancient-roman-concre...