Baifa Zhang

Effects of Phosphogypsum Substitution on Early-Age Macro- and Microproperties of GGBFS-Based Alkali-Activated Binders

Abstract Sodium sulfate ( Na 2 SO 4 ), a naturally derived activator, can be used to activate ground granulated blast-furnace slag (GGBFS) to prepare low-carbon cementitious materials. However, the extremely slow development of early strength remains a key limitation. To address...