Conference paper
Validation of a New Generation Bitumen for Airport Asphalt
Proceedings of the 17th Australian Asphalt Pavement Association International Flexible Pavements Conference
Australian Asphalt Pavement Association (AAPA) International Flexible Pavements Conference, 17th (Melbourne, Australia)
Australian Asphalt Pavement Association
2017
Abstract
Airport asphalt surfaces are generally 14 mm maximum sized, dense-graded and Marshalldesigned mixtures containing a premium bituminous binder. Reports of an increased frequency of early-life airport asphalt surface distress, anecdotally linked to binder variability and increased aircraft loads, has prompted the airport industry to question the current range of binders for airport asphalt production. As a result, a number of bituminous surfacing companies have developed proprietary binders intended for airport asphalt production. One new elasto-plastomeric binder for airport asphalt production was assessed and validated. Assessment included comparison of new binder properties to those of other common binders and comparison of Marshall properties and performance properties of five different airport asphalt mixtures. Binder production data variability was also reviewed for the new binder produced in both high- and low-shear mills, before and after cold transportation and on-site reheating. Based on results from the laboratory investigations and production data, the new binder was deemed to perform consistently and favourably compared to other binders commonly specified for airport asphalt production in Australia. This conclusion was supported by in-service performance of three different runway surfaces constructed in 2015 and 2016. Further evaluation is required to confirm the long-term performance of the new binder.
Details
- Title
- Validation of a New Generation Bitumen for Airport Asphalt
- Authors
- Gregory W White (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringKevin Embleton (Author) - Fulton Hogan, Melbourne
- Publication details
- Proceedings of the 17th Australian Asphalt Pavement Association International Flexible Pavements Conference; 13
- Conference details
- Australian Asphalt Pavement Association (AAPA) International Flexible Pavements Conference, 17th (Melbourne, Australia)
- Publisher
- Australian Asphalt Pavement Association
- Date published
- 2017
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99450749502621
- Output Type
- Conference paper
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