Which factor is not typically associated with the gradation of aggregates?

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The factor that is not typically associated with the gradation of aggregates is aggregate color. Gradation refers to the size distribution of aggregate particles, which is essential for determining how well the aggregates will pack together and how they will perform in concrete or asphalt mixes.

Aggregate shape, size, and distribution directly influence the packing efficiency and strength of the produced concrete. These factors affect the void spaces and ultimately the durability and mechanical properties of the final mix. For instance, angular aggregates may produce a higher interlocking effect compared to rounded aggregates, affecting the gradation and performance.

In contrast, aggregate color does not affect the physical properties related to gradation. While color can have implications for aesthetic aspects of concrete or an aggregate's heat absorption properties, it has no direct role in the size distribution or compactness of the particles, making it less relevant in the context of aggregate gradation.

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