Investigation of Concrete Containing Slag: Hampton River Bridge

Report No: 86-R39

Published in 1986

About the report:

The study evaluated the properties of concretes containing slag in a 50% replacement of the portland cement to assess their suitability as an alternative to the portland cement concretes normally used in the construction of bridge substructures. For the major portion of the study, samples were obtained from freshly mixed concrete used in the construction of the substructure for the Rte. 143 bridge over the Hampton River and also from a failed pier footing for the bridge. In the laboratory, a limited investigation was made of the effects of temperature on concretes with and without slag. The results indicate that concretes containing quality slag will perform satisfactorily in bridge substructures. However, it has been shown that strength development in concretes containing slag is more adversely influenced by cold weather than is that of concretes without slag. Also, it is noted that in cold weather there may be a significant delay in the time of set.

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.

Last updated: February 10, 2024

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