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- The application of small nuclear magnetic resonance spectrometers to quality control measurements of asphalt and asphalt-aggregate mixes / by Pearson, Robert M.; Strategic Highway Research Program (U.S.)(CARDINAL)298325; Tri-Valley Research (Pleasanton, Calif.);
Includes bibliographical references (page 42).Introduction -- Instrumentation -- Experiments -- Conclusions and suggestions for further work -- References.Classic wide-line nuclear magnetic resonance (NMR) techniques are used to measure the quantitative amounts of asphalt in asphalt-aggregate mixtures, including full four-inch highway cores. This report illustrates how wide-line NMR can be used to measure and study the physical properties of both neat asphalts and asphalt in mixtures. A correlation relating known physical property measurements to NMR parameters is given for a wide range of neat asphalts. Also discussed is how interactions between the asphalt and the aggregate in a mixture influence the physical properties of the asphalt and determine the physical properties of the mix.Performed under contract- Subjects: Nuclear magnetic resonance spectroscopy.; Pavements, Asphalt;
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