As shown in the figure, the relative dynamic elastic modulus of all concrete specimens exhibits a decreasing trend as the number of freeze–thaw cycles increases.
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Effects of Sulfate Attack and Freeze-Thaw Cycles on Concrete with Compositely Modified Recycled Brick-Concrete Aggregate.
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The sentences
The experimental data revealed a clear trend: increasing the proportion of RBCA in the concrete mix correlates with a marked decline in its durability performance.