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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.

Title:

Reexamination of Cold Weather Paving Specifications for Bituminous Concrete
Authors:
G. W. Maupin, Jr.
Year: 1978
VTRC No.: 78-R49
Abstract: The cold weather paving specification for bituminous concrete adopted in 1970 was reexamined to determine its effectiveness and any need for revisions. Density and temperature measurements were obtained on five field projects and observations were made of the rolling practices employed. The results and feedback from field personnel were used to recommend (1) changes in the nomograph, (2) a prohibition of paving on a frozen base or when the base temperature is less than 35 °F, and (3) allowing the use of a vibratory roller for the 8-minute rolling time, if the required density can be achieved.