Airport asphalt surface interface shear resistance: factors affecting and advanced characterisation

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Airport asphalt surface interface shear resistance: factors affecting and advanced characterisation

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Title: Airport asphalt surface interface shear resistance: factors affecting and advanced characterisation
Author/Creator: White, Gregory W | Gabrawy, Tom
Description: It is recognised that the adequacy of bond between an asphalt surface layer and the underlying pavement material is fundamental to good pavement performance. This is even more important in airport pavements where shear forces imparted by braking and turning aircraft are high. Various measures of interface shear resistance are available to characterise the bond between asphalt surface layers. Advanced test methods were developed to measure the shear resistance of the interface between asphalt layers. These methods include monotonic testing in direct shear as well as repeated load testing in inclined shear modes. Test methods were verified on cores recovered from a typical asphalt-interface-asphalt system from an Australian airport. The results were analysed for interface shear strength, modulus and work, as well as fatigue life. The results demonstrated the effectiveness of the test methods developed, as well as the typical interface shear resistance for airport asphalt surface layers. The application of the developed test methods for differentiating between surface delamination and mixture deformation is recommended.
Relation: International Journal of Pavement Engineering and Asphalt Technology / Vol. 17, No. 1, pp.18-41
Relation: http://www.degruyter.com/view/j/ijpeat
Year: 2016
Publisher: Liverpool John Moores University - School of the Built Environment
Subject: FoR 0905 (Civil Engineering)

Resource Type: Journal Article
Identifier: ISSN: 1464-8164
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USC Research Bank - University of the Sunshine Coast, Queensland, Australia