Development of a Base Mix Design Procedure

Report No: 75-R5

Published in 1974

About the report:

This paper reports an investigation into the development of a compaction procedure for base mixes containing aggregates of 1 1/2" (38 mm) maximum size. The specimens were made in a manner similar to that given in ASTM Designation 1561-71, except that a 6" diameter mold was used instead of a 4" mold. The compaction procedure was developed using a mix in the middle of the gradation for a B-3 mix. Once an acceptable procedure was found, it was checked by making specimens using four different mixes. It was found that the procedure which gave generally acceptable results for one mix did not give acceptable results for the other mixes. Therefore, the adoption of a compaction procedure for basic mixes is not recommended at this time.

Disclaimer Statement:The contents of this report reflect the views of the author(s), who is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Virginia Department of Transportation, the Commonwealth Transportation Board, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. Any inclusion of manufacturer names, trade names, or trademarks is for identification purposes only and is not to be considered an endorsement.

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J. R. Freeman

Last updated: February 5, 2024

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