Abstract
The research program was designed to supply initial data on the influence of slag cement on the fresh and hardened properties of concrete to be used in pavements and bridge structures. There were three goals in the study. The first goal was to determine if slag cement performed better or worse with different Type I cements available in Oklahoma. Three different Type I cements were examined along with four different concrete mixtures. The four mixtures contained varying amounts of slag cement, fly ash, or a combination of both materials. The second goal of the research program was providing the Oklahoma Department of Transportation with information on ternary concrete mixtures. The final goal was to determine if the proposed replacement limits for slag cement and fly ash were adequate for concrete pavements and bridge structures. The results of the research showed that the addition of slag cement was largely positive for all cements, whereas the addition of fly ash produced mixed effects.
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