Predicting Rheological Parameters of Reclaimed Asphalt Cement with Wave Propagation Techniques
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1996-07-01
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Edition:(Sept. 1, 1993 - Aug 31, 1995)
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Abstract:A methodology to predict the theological parameters of asphalt cement from elastic modulus or from the indirect tensile (IDT) strength of the mix is presented. Wave propagation techniques were used to determine the modulus of the mix. Numerous specimens, prepared from four different mixtures with different asphalt contents and voids in the total mixes (VTM's), were-oven aged for different periods. The elastic modulus and IDT strength of each specimen were determined, and its asphalt cement was recovered to evaluate its rheological properties. The effects of different parameters, such as asphalt content and VTM, on relationships between elastic modulus or IDT strength with rheological properties were determined.
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