State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives
The detrimental effects of hardening in asphalt pavements were first recognized by pioneering pavement engineers in the 1900s and have been studied extensively during the last 70 years. This hardening process, referred to as asphalt aging, is generally defined as change in the rheological properties...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/3428961 |
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| author | Okan Sirin Dalim K. Paul Emad Kassem |
| author_facet | Okan Sirin Dalim K. Paul Emad Kassem |
| author_sort | Okan Sirin |
| collection | DOAJ |
| description | The detrimental effects of hardening in asphalt pavements were first recognized by pioneering pavement engineers in the 1900s and have been studied extensively during the last 70 years. This hardening process, referred to as asphalt aging, is generally defined as change in the rheological properties of asphalt binders/mixtures due to changes in chemical composition during construction and its service life period. Aging causes the asphalt material to stiffen and embrittle, which affects the durability and leads to a high potential for cracking. This paper presents the state of the art on asphalt and asphalt mixture aging and use of antioxidant additives to retard the aging. A picture of complex molecular structure of asphalt and its changes due to atmospheric condition and various protocols used to simulate aging in laboratory environment are also discussed. Emphasis is given on recent studies on simulation of aging of asphalt mixtures as there has been limited research on mixtures compared to the asphalt binder. Finally, this paper presents the application of antiaging techniques and its mechanism, use of various types of antioxidant additives to retard aging of asphalt and, hence, improve the performance of asphalt pavements. |
| format | Article |
| id | doaj-art-605a5c9b22ad4e96ba9c090339697501 |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-605a5c9b22ad4e96ba9c0903396975012025-02-03T01:12:50ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/34289613428961State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant AdditivesOkan Sirin0Dalim K. Paul1Emad Kassem2Department of Civil and Architectural Engineering, Qatar University, P.O. Box 2713, Doha, QatarAshghal Research and Development Center, Public Works Authority, Doha, QatarDepartment of Civil and Environmental Engineering, University of Idaho, 875 Perimeter Drive MS 1022, Moscow, ID 83844, USAThe detrimental effects of hardening in asphalt pavements were first recognized by pioneering pavement engineers in the 1900s and have been studied extensively during the last 70 years. This hardening process, referred to as asphalt aging, is generally defined as change in the rheological properties of asphalt binders/mixtures due to changes in chemical composition during construction and its service life period. Aging causes the asphalt material to stiffen and embrittle, which affects the durability and leads to a high potential for cracking. This paper presents the state of the art on asphalt and asphalt mixture aging and use of antioxidant additives to retard the aging. A picture of complex molecular structure of asphalt and its changes due to atmospheric condition and various protocols used to simulate aging in laboratory environment are also discussed. Emphasis is given on recent studies on simulation of aging of asphalt mixtures as there has been limited research on mixtures compared to the asphalt binder. Finally, this paper presents the application of antiaging techniques and its mechanism, use of various types of antioxidant additives to retard aging of asphalt and, hence, improve the performance of asphalt pavements.http://dx.doi.org/10.1155/2018/3428961 |
| spellingShingle | Okan Sirin Dalim K. Paul Emad Kassem State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives Advances in Civil Engineering |
| title | State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives |
| title_full | State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives |
| title_fullStr | State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives |
| title_full_unstemmed | State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives |
| title_short | State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives |
| title_sort | state of the art study on aging of asphalt mixtures and use of antioxidant additives |
| url | http://dx.doi.org/10.1155/2018/3428961 |
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