Non-Destructive Evaluation of Engineering Properties of Asphalt Mixtures

Abstract:

The measurement of dielectric response has gained importance because it can be used for non-destructive monitoring of asphalt pavements. The open-ended coaxial probe technique was selected to investigate the dielectric response of the dense-graded asphalt mixture. The effects of material properties such as density on dielectric response were examined. Results indicated that density have a significant influence on dielectric behavior of asphalt mixture. The dielectric constant was shown to increase with increasing density of the asphalt mixture, whereas a high density resulted in low voids that contributed to a relatively high dielectric constant. These findings could be used to enhance the accuracy of non-destructive electromagnetic devices applied in the pavement field.

• Periodical: Advanced Materials Research (Volume 723)
• Pages: 428-433
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.723.428
• Online since: August 2013
• Authors: Chieh Min Chang, Jian Shiuh Chen
• Keywords: Asphalt Mixture (AC), Dielectric Constant, Non-Destructive Test

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