Promotes C-(A)-S-H nucleation
In situ alkaline reduction produces edge electron clouds that switch calcium binding from chemical to electrostatic, creating Ca-rich zones that seed C-(A)-S-H.
Li, Ben · Kaihang, Li · Zhou, Yingwu · Hu, Xu · Canhao, Zhao · Yu, Ying · Zhuocheng, Li
Cement and Concrete Composites 2025
In situ reduction in alkali-excited environment causes nanostructure change and strong electron cloud/field at edges
Binding mode to calcium ions changes from chemical binding to physical electrostatic adsorption
Calcium ion enrichment environment formed at edges provides nucleation sites for C-(A)-S-H