Pilot Study to Determine Compaction Level of Plant Mix Overlays

Report No: 76-R34

Published in 1976

About the report:

To summarize the 1975 density data gathered in a pilot study of plant mix overlays, it is obvious that the density specified by the Virginia Department of Highways & Transportation is not being obtained by most contractors. Further, evidently the lack of density is due to inadequate rolling. It appears that seven or eight passes will generally be necessary to adequately compact surface mixes.

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.

Authors

Other Authors

Charles S. Hughes, P.E.

Last updated: January 29, 2024

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