What question did this study set out to answer?

To establish an optimized prediction model for specific gravity of asphalt mixtures affected by segregation.

December 11, 2025Frontiers in MaterialsOpen Access

Optimization analysis of theoretical maximum specific gravity of asphalt mixtures in segregated areas of asphalt pavements based on asphalt medium method

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Analysis demonstrates a prediction model for specific gravity in segregated pavements, suggesting improved compaction quality assessment.

To establish an optimized prediction model for specific gravity of asphalt mixtures affected by segregation.
Collected field samples to analyze specific gravity using the ignition method.
Employed asphalt immersion method for precise measurement of specific gravity.
Applied grey relational analysis to identify influential factors and their impact patterns.
The specific gravity ratio of coarse to fine aggregate significantly influences specific gravity.
Predicted air void content error based on the optimized model does not exceed 0.5% compared to core-measured values.

Wang et al. (2025) studied this question.

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