Improved Design Method of Emulsified Asphalt Cold Recycled Mixture
This paper proposes an improved design method for emulsified asphalt cold recycled mixture (EACRM) so as to solve the “secondary compaction” problem in cold recycled asphalt pavement. First, a temperature prediction equation is established based on measured data of cold recycled asphalt pavement. Th...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2020-08-01
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| Series: | Frontiers in Materials |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/article/10.3389/fmats.2020.00207/full |
| _version_ | 1819088335573876736 |
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| author | Zhang Chen Yuanlu Liang Jin Yang Tingyi Xu Lijun Sun |
| author_facet | Zhang Chen Yuanlu Liang Jin Yang Tingyi Xu Lijun Sun |
| author_sort | Zhang Chen |
| collection | DOAJ |
| description | This paper proposes an improved design method for emulsified asphalt cold recycled mixture (EACRM) so as to solve the “secondary compaction” problem in cold recycled asphalt pavement. First, a temperature prediction equation is established based on measured data of cold recycled asphalt pavement. The equation provides the basis for improving the design method. Second, regarding the shortcomings of the current design methods, we introduce material design principles of EACRM and improve existing methods. Splitting strength (15°C) and unconfined compressive strength (60°C) are chosen as the basis of a double index to determine the asphalt emulsion content. Finally, the performance of the asphalt mixture created using the improved design method is compared to that using the current specifications of China. The results of the comparison validate that the proposed design method can effectively avoid early damage to cold recycled asphalt pavement. |
| first_indexed | 2024-12-21T21:50:24Z |
| format | Article |
| id | doaj.art-9e31b2f3960b4b8f9cc5ba924b190ed1 |
| institution | Directory Open Access Journal |
| issn | 2296-8016 |
| language | English |
| last_indexed | 2024-12-21T21:50:24Z |
| publishDate | 2020-08-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Materials |
| spelling | doaj.art-9e31b2f3960b4b8f9cc5ba924b190ed12022-12-21T18:49:06ZengFrontiers Media S.A.Frontiers in Materials2296-80162020-08-01710.3389/fmats.2020.00207539311Improved Design Method of Emulsified Asphalt Cold Recycled MixtureZhang Chen0Yuanlu Liang1Jin Yang2Tingyi Xu3Lijun Sun4The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai, ChinaThe Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai, ChinaShenzhen High Speed Engineering Consulting Co., Ltd., Shenzhen, ChinaThe Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai, ChinaThe Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai, ChinaThis paper proposes an improved design method for emulsified asphalt cold recycled mixture (EACRM) so as to solve the “secondary compaction” problem in cold recycled asphalt pavement. First, a temperature prediction equation is established based on measured data of cold recycled asphalt pavement. The equation provides the basis for improving the design method. Second, regarding the shortcomings of the current design methods, we introduce material design principles of EACRM and improve existing methods. Splitting strength (15°C) and unconfined compressive strength (60°C) are chosen as the basis of a double index to determine the asphalt emulsion content. Finally, the performance of the asphalt mixture created using the improved design method is compared to that using the current specifications of China. The results of the comparison validate that the proposed design method can effectively avoid early damage to cold recycled asphalt pavement.https://www.frontiersin.org/article/10.3389/fmats.2020.00207/fullroad engineeringdesign methodcold recycled mixtureasphalt emulsionsecondary compaction |
| spellingShingle | Zhang Chen Yuanlu Liang Jin Yang Tingyi Xu Lijun Sun Improved Design Method of Emulsified Asphalt Cold Recycled Mixture Frontiers in Materials road engineering design method cold recycled mixture asphalt emulsion secondary compaction |
| title | Improved Design Method of Emulsified Asphalt Cold Recycled Mixture |
| title_full | Improved Design Method of Emulsified Asphalt Cold Recycled Mixture |
| title_fullStr | Improved Design Method of Emulsified Asphalt Cold Recycled Mixture |
| title_full_unstemmed | Improved Design Method of Emulsified Asphalt Cold Recycled Mixture |
| title_short | Improved Design Method of Emulsified Asphalt Cold Recycled Mixture |
| title_sort | improved design method of emulsified asphalt cold recycled mixture |
| topic | road engineering design method cold recycled mixture asphalt emulsion secondary compaction |
| url | https://www.frontiersin.org/article/10.3389/fmats.2020.00207/full |
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