United States Department of Transportation
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Characterization of Concrete Properties with Age
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1992-03-01
[PDF-831.51 KB]
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Edition:Interim
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Abstract:The objective of this study was to investigate the material properties of concrete made with a number of aggregates commonly used in Texas for pavement construction. This report extends the work of Project 422, which was limited to two aggregates (limestone and siliceous river gravel). Measurements taken in the laboratory were used to develop a set of equations predicting time-dependent concrete properties for the eight aggregates tested. Additional models were developed for predicting concrete behavior from the chemical composition of the aggregate, enabling a preliminary evaluation of aggregate sources to be made prior to the casting of the concrete. Inputs required for the chemical model can be obtained either from the supplier or by a quick and inexpensive laboratory test.
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