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AASHTO PP 103-20

M00043587

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AASHTO PP 103-20 Standard Practice for Sample Preparation and Polishing of Unbound Aggregates for Dynamic Friction Testing

standard by American Association of State and Highway Transportation Officials, 2020

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AASHTO PP 103-20 covers the sample preparation and polishing of unbound aggregates for dynamic friction testing using a three-wheel polishing device (TWPD).