In a range of a 1:1 to 1:4 ratio of GGBS to PG, the fluidity of the paste showed a small fluctuation and a decreasing trend with an increase in the amount of the sodium hydroxide solution.
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Effects of Pretreated Phosphogypsum and Granulated Blast-Furnace Slag on the Rheological Properties of the Paste Excited by NaOH.
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The sentences
This phenomenon is because the filling density of the five test materials showed a trend of first decreasing and then increasing when the ratio of GGBS to PG 1:1 reached a minimum value of 0.580 g/mL, indicating that the volume fraction of GGBS and PG and the change in material density have a greater impact on the filling density of the material.