However, due to the functions of internal autoclaving, secondary hydration of unhydrated clinkers and SCMs, and the pozzolanic effect, the post-fire strength of concrete may have an increasing trend before 300 °C [ 43 , 44 , 45 ], especially for the concrete made with siliceous aggregates [ 43 ].
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Effect of Macro-, Micro- and Nano-Calcium Carbonate on Properties of Cementitious Composites-A Review.
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