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- W3200567936 abstract "Asphaltic aviation pavements experience severe damage on a routine basis from exposure to petrol, oils and lubricants from the inadvertent leaking aircraft and poor maintenance practices. A review of preventative treatments in use show that fuel-resistant asphalt and membranes are available, however not often utilised. These products are proprietary in nature and as such limited information is available on their structure or performance. The aim of this research was to create a fuel-resistant asphalt using existing techniques with materials that are available on an industrial level.Polymers are routinely blended with binders in the asphalt industry to obtain specific performance characteristics within as asphalt for a specific project. Studies show that polyester-based thermoplastic polyurethanes are resistant to the effects of petrol, oils and lubricants. Additionally, they exhibit a combination of strength and flexibility ideal in an asphalt surface. Research shows that high-shear mixing at elevated temperatures in an effective technique for the blending of polymer-modified binders.Polyester-based thermoplastic polyurethane pellets were blended with C320 binder at values of 3%, 5% and 7%. This polymer-modified binder was incorporated into a dense-graded, four fraction, Marshall Mix design based on recommended performance criteria of aviation pavements. Marshall Samples of the mix were produced at 5% total binder content and tested with key performance-indicating methods. Where available, Australian Standards or established procedures were utilised. The polymer-modified binder asphalt exhibited workability issues that contributed to inconsistent Marshall Stability and Flow results. However, fuel-resistance testing demonstrated that with an increase in percentage of polymer there was a linear increase in fuel-resistance properties. The results of this research are presented such that they can be used as a foundation to undertake further research in fuel-resistant asphalt using polyester-based thermoplastic polyurethanes." @default.
- W3200567936 created "2021-09-27" @default.
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- W3200567936 date "2019-10-01" @default.
- W3200567936 modified "2023-09-27" @default.
- W3200567936 title "Suitability of polyester-based thermoplastic polyurethanes as a fuel-resistant asphalt binder in flexible aviation pavement surfaces" @default.
- W3200567936 hasPublicationYear "2019" @default.
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