AntalyaA 2,000-year-old Roman binder still outlasts modern cement here.
It gives conservators a low-carbon binder that heritage-site rules already permit.
Researchers rebuilt Turkey’s harbor-city mortar using crushed recycled brick, whose fired clay reacts with lime.
Compressive strength ranged 2.55-12.36 MPa across mixes, guiding which ratio scales next.
Sources: Nature