In each stage of immersion, the trend of UCS with AE showed an increasing trend followed by a decreasing trend, which was the same as the initial strength change pattern without seawater immersion.
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Time-Varying Pattern and Prediction Model for Geopolymer Mortar Performance under Seawater Immersion.
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The sentences
In the case of AE less than 9%, the compressive strength increased with AE, and when it was more than 12%, the compressive strength showed a decreasing trend.
The GPM specimens displayed an overall trend of growing and subsequently reducing mass change during the seawater immersion phase, as shown in Table 8 and Table 9 .
The initial compressive strength of GPM showed a trend of increasing and then decreasing with the increase in AE.