The method covers the compaction of test specimens of hot mix asphalt (HMA) by means of a mechanical compactor that imparts a kneading action to the test specimens by a series of individual impressions made with a ram.
AASHTO T 247-22 history
AASHTO T 247-22
Standard Method of Test for Preparation of Test Specimens of Hot Mix Asphalt (HMA) by Means of California Kneading Compactor (ASTM Designation: D1561-92)
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AASHTO PP 80-18
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AASHTO Green Book - A Policy on Geometric Design of Highways and Streets, 7th Edition, Includes October 2019 Errata
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