Conference paper
Foamed Bitumen Base for Expedient Airport Pavement Upgrade: A Case Study on Whitsunday Coast Airport
Recent Developments in Pavement Design, Modeling and Performance, pp.94-111
International Congress and Exhibition (GeoMEast 2018): Sustainable Civil Infrastructures: Innovative Infrastructure Geotechnology (Cairo, Egypt, 24-Nov-2018–28-Nov-2018)
Sustainable Civil Infrastructures (SUCI), Springer Nature Switzerland AG
2018
Abstract
Foamed bitumen base is one method for producing a bitumen stabilised granular material for pavement construction. Foamed bitumen relies on the rapid expansion (foaming) of hot bitumen when introduced to cold water, temporarily reducing the viscosity of the bitumen, allowing mixing, placement and compaction. The resulting material is fast to construct, stiffer than crushed rock, moisture resistant and almost immediately able to support traffic, making it valuable for expedient pavement expansion and strengthening works. Airports with single runways often require expedient pavement construction methods and this paper presents foamed bitumen base through a case study on the runway strengthening at Whitsunday Coast Airport in Australia. Foamed bitumen base was produced ex-situ, initially using new crushed rock, prior to transitioning to the existing pavement materials. Challenges included the inability to recover existing pavement material in a representatively pulverised condition during the mixture design phase and the high sensitivity of the foamed bitumen base to production moisture content. Isolated underlying unsuitable materials were also encountered and this impacted the overall productivity and program. However, the relative density and resilient modulus of all samples exceeded the relevant requirements and foamed bitumen base is recommended to other airports requiring expedient pavement upgrade solutions.
Details
- Title
- Foamed Bitumen Base for Expedient Airport Pavement Upgrade: A Case Study on Whitsunday Coast Airport
- Authors
- Gregory W White (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Contributors
- Sherif El-Badawy (Editor)Ragaa Abd El-Hakim (Editor)
- Publication details
- Recent Developments in Pavement Design, Modeling and Performance, pp.94-111
- Conference details
- International Congress and Exhibition (GeoMEast 2018): Sustainable Civil Infrastructures: Innovative Infrastructure Geotechnology (Cairo, Egypt, 24-Nov-2018–28-Nov-2018)
- Series
- Sustainable Civil Infrastructures (SUCI)
- Publisher
- Springer Nature Switzerland AG
- Date published
- 2018
- DOI
- 10.1007/978-3-030-01908-2_8; 10.1007/978-3-030-01908-2
- ISSN
- 2366-3413
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99451362302621
- Output Type
- Conference paper
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