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Top Terms > Testing > Tests > Tests specific to a material, structure or device > Materials tests > Aggregate tests > Aggregate gradation > Gap grading

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Gap grading (Gbbmbcg)

Definition
Hot mix asphalt with aggregates that are gap-graded, i.e., certain particle sizes of aggregate are omitted from the size continuum. (Source: AASHTO Glossary)
Broader Term
Aggregate gradation (Gbbmbc)