Structural design of pavements incorporating foamed bitumen mixtures
This paper presents a rational structural design methodology termed the ‘cumulative damage approach’ for road, port and airport pavements incorporating cold bituminous mixtures with foamed bitumen. This has been developed along with a laboratory test, the uniaxial indirect tensile test, to evaluate...
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| Format: | Article |
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Institution of Civil Engineers Publishing
2017
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| Online Access: | https://eprints.nottingham.ac.uk/40653/ |
| _version_ | 1848796107732156416 |
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| author | Kuna, Kranthi Airey, Gordon Thom, Nick |
| author_facet | Kuna, Kranthi Airey, Gordon Thom, Nick |
| author_sort | Kuna, Kranthi |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | This paper presents a rational structural design methodology termed the ‘cumulative damage approach’ for road, port and airport pavements incorporating cold bituminous mixtures with foamed bitumen. This has been developed along with a laboratory test, the uniaxial indirect tensile test, to evaluate the fatigue characteristics of these mixtures. The test was developed with a view to addressing the limitations of conventional fatigue tests for foamed bitumen mixtures. The new design approach takes account of the actual stiffness evolution of the mixtures obtained from the fatigue test. It is compared with a traditional approach for conventional flexible pavements, which is based on pavement life as a function of computed tensile strain in the material and interpretation of fatigue data in a conventional way. The results show that the traditional design approach yields conservative outcomes for pavements with foamed bitumen mixtures if the same transfer function or shift factor used for hot mix asphalt is applied. The results also show that if all factors other than induced load influence are the same, the shift factor for foamed bitumen mixtures could be 25–35% higher than for hot mix asphalt. |
| first_indexed | 2025-11-14T19:42:44Z |
| format | Article |
| id | nottingham-40653 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:42:44Z |
| publishDate | 2017 |
| publisher | Institution of Civil Engineers Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-406532020-05-04T18:29:49Z https://eprints.nottingham.ac.uk/40653/ Structural design of pavements incorporating foamed bitumen mixtures Kuna, Kranthi Airey, Gordon Thom, Nick This paper presents a rational structural design methodology termed the ‘cumulative damage approach’ for road, port and airport pavements incorporating cold bituminous mixtures with foamed bitumen. This has been developed along with a laboratory test, the uniaxial indirect tensile test, to evaluate the fatigue characteristics of these mixtures. The test was developed with a view to addressing the limitations of conventional fatigue tests for foamed bitumen mixtures. The new design approach takes account of the actual stiffness evolution of the mixtures obtained from the fatigue test. It is compared with a traditional approach for conventional flexible pavements, which is based on pavement life as a function of computed tensile strain in the material and interpretation of fatigue data in a conventional way. The results show that the traditional design approach yields conservative outcomes for pavements with foamed bitumen mixtures if the same transfer function or shift factor used for hot mix asphalt is applied. The results also show that if all factors other than induced load influence are the same, the shift factor for foamed bitumen mixtures could be 25–35% higher than for hot mix asphalt. Institution of Civil Engineers Publishing 2017-01-23 Article PeerReviewed Kuna, Kranthi, Airey, Gordon and Thom, Nick (2017) Structural design of pavements incorporating foamed bitumen mixtures. Proceedings of the Institution of Civil Engineers - Construction Materials . pp. 1-14. ISSN 1747-6518 design methods & aids pavement design roads & highways http://www.icevirtuallibrary.com/doi/10.1680/jcoma.16.00039 doi:10.1680/jcoma.16.00039 doi:10.1680/jcoma.16.00039 |
| spellingShingle | design methods & aids pavement design roads & highways Kuna, Kranthi Airey, Gordon Thom, Nick Structural design of pavements incorporating foamed bitumen mixtures |
| title | Structural design of pavements incorporating foamed bitumen mixtures |
| title_full | Structural design of pavements incorporating foamed bitumen mixtures |
| title_fullStr | Structural design of pavements incorporating foamed bitumen mixtures |
| title_full_unstemmed | Structural design of pavements incorporating foamed bitumen mixtures |
| title_short | Structural design of pavements incorporating foamed bitumen mixtures |
| title_sort | structural design of pavements incorporating foamed bitumen mixtures |
| topic | design methods & aids pavement design roads & highways |
| url | https://eprints.nottingham.ac.uk/40653/ https://eprints.nottingham.ac.uk/40653/ https://eprints.nottingham.ac.uk/40653/ |