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Phase segregation-induced color deviation in high-fluidity cement paste: Mechanisms and mitigation
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DOI：10.1016/j.jobe.2026.116979.png)
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Abstract
En 中文
• Critical flowability threshold (∼330 mm) causes vertical color deviation. • Gypsum, AFt, and water are floating up while clinkers are settling down. • X-CT shows bleeding channels (>1000 μm) in high-fluidity paste. • Finer mineral admixtures mitigate color variation via packing and absorption.
Keywords:
Color deviation
Cement paste
High fluidity
Phase segregation
Bleeding channel
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7.4
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1.6W
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6.6W
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