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Properties of concrete mixtures containing slag cement and fly ash for use in transportation structures

机译：用于运输结构的含矿渣水泥和粉煤灰的混凝土混合物的性能

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摘要

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.
机译：该研究计划旨在提供有关矿渣水泥对用于路面和桥梁结构的混凝土的新鲜和硬化性能影响的初步数据。研究中有三个目标。第一个目标是确定矿渣水泥在俄克拉荷马州使用不同的I型水泥是否表现更好或更差。检查了三种不同的I型水泥以及四种不同的混凝土混合物。四种混合物包含不同量的矿渣水泥，粉煤灰或两种材料的组合。该研究计划的第二个目标是向俄克拉荷马州交通运输部提供有关三元混凝土混合物的信息。最终目标是确定矿渣水泥和粉煤灰的拟议置换极限是否适合混凝土路面和桥梁结构。研究结果表明，矿渣水泥的添加对所有水泥都是积极的，而粉煤灰的添加则产生了混合效应。

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