Effects of the phosphogypsum on the hydration and microstructure of alkali activated slag pastes
Construction and Building Materials(2023)
Abstract
•Less than 10% of PG could extend the setting time of AAS pastes.•Multiple tests were conducted to monitor the hydration process.•Ettringite could be generated in AAS samples with more gypsum.•PG made a retardation on the micro development of hardened structure.
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Key words
Phosphogypsum,Alkali activated slag,Setting,Hydration,Microstructure
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