Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience
The objective of this research was to select the most effective warm asphalt additives for mix practice based on a series of laboratory testing programs such as density, Marshall stability, freeze-thaw splitting strength, dynamic stability, and bending beam strain. The experimental design of warm mi...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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RTU Press
2015-03-01
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| Series: | The Baltic Journal of Road and Bridge Engineering |
| Subjects: | |
| Online Access: | https://bjrbe-journals.rtu.lv/article/view/3421 |
| _version_ | 1818451375493742592 |
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| author | Xinsheng Li Zhaoxing Xie Wenzhong Fan Lili Wang Junan Shen |
| author_facet | Xinsheng Li Zhaoxing Xie Wenzhong Fan Lili Wang Junan Shen |
| author_sort | Xinsheng Li |
| collection | DOAJ |
| description | The objective of this research was to select the most effective warm asphalt additives for mix practice based on a series of laboratory testing programs such as density, Marshall stability, freeze-thaw splitting strength, dynamic stability, and bending beam strain. The experimental design of warm mix asphalt included the use of three commonlyused additives, two typical aggregate gradations, one crushed aggregate, and one modified asphalt. Results showed that: (1) the bulk specific gravity and air voids of all the mix specimens were similar to those of controls; (2) the Marshall stability and flow values of the warm stone mastic asphalt were 6.8%–26.6% and 3.5%–10.3%% higher than those of controls, respectively, and those of the warm asphalt concrete were 6.1%–15.6% and 6.5%–9.7% higher than those of controls, respectively; (3) the indirect tensile strength of two types of mixtures was 1.7%–14.4% lower than that of controls, and the average tensile strength ratio of the warm stone mastic asphalt and asphalt concrete was 4.3% and 1.3% higher than that of controls, respectively; (4) the dynamic stability of warm mix specimens was 10.8%–16.6% lower than that of the controls; (5) the average bending failure strain of warm stone mastic asphalt was 7.6% higher than that of the controls, and that of warm asphalt concrete was 12.8% lower than that of the controls; (6) Overall, warm asphalt mixtures with Sasobit and Rediset had relatively best performances required in Southeast China, where rutting and stripping are the main failures of asphalt pavements. |
| first_indexed | 2024-12-14T21:06:12Z |
| format | Article |
| id | doaj.art-d6362a326d1643c790e3683743b97907 |
| institution | Directory Open Access Journal |
| issn | 1822-427X 1822-4288 |
| language | English |
| last_indexed | 2024-12-14T21:06:12Z |
| publishDate | 2015-03-01 |
| publisher | RTU Press |
| record_format | Article |
| series | The Baltic Journal of Road and Bridge Engineering |
| spelling | doaj.art-d6362a326d1643c790e3683743b979072022-12-21T22:47:26ZengRTU PressThe Baltic Journal of Road and Bridge Engineering1822-427X1822-42882015-03-01101798810.3846/bjrbe.2015.101866Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China ExperienceXinsheng Li0Zhaoxing Xie1Wenzhong Fan2Lili Wang3Junan Shen4Dept of Civil Engineering, Suzhou University of Science and Technology, 1701 BinheRoad Suzhou, 215011, ChinaDept of Civil Engineering, Suzhou University of Science and Technology, 1701 BinheRoad Suzhou, 215011, ChinaSuzhou Traffic Engineering Group Co., LTD, Suzhou, 215124, ChinaSuzhou Traffic Engineering Group Co., LTD, Suzhou, 215124, ChinaDept of Civil Engineering, Georgia Southern University, 1332 Southern Drive, Statesboro, 30458 Georgia, USAThe objective of this research was to select the most effective warm asphalt additives for mix practice based on a series of laboratory testing programs such as density, Marshall stability, freeze-thaw splitting strength, dynamic stability, and bending beam strain. The experimental design of warm mix asphalt included the use of three commonlyused additives, two typical aggregate gradations, one crushed aggregate, and one modified asphalt. Results showed that: (1) the bulk specific gravity and air voids of all the mix specimens were similar to those of controls; (2) the Marshall stability and flow values of the warm stone mastic asphalt were 6.8%–26.6% and 3.5%–10.3%% higher than those of controls, respectively, and those of the warm asphalt concrete were 6.1%–15.6% and 6.5%–9.7% higher than those of controls, respectively; (3) the indirect tensile strength of two types of mixtures was 1.7%–14.4% lower than that of controls, and the average tensile strength ratio of the warm stone mastic asphalt and asphalt concrete was 4.3% and 1.3% higher than that of controls, respectively; (4) the dynamic stability of warm mix specimens was 10.8%–16.6% lower than that of the controls; (5) the average bending failure strain of warm stone mastic asphalt was 7.6% higher than that of the controls, and that of warm asphalt concrete was 12.8% lower than that of the controls; (6) Overall, warm asphalt mixtures with Sasobit and Rediset had relatively best performances required in Southeast China, where rutting and stripping are the main failures of asphalt pavements.https://bjrbe-journals.rtu.lv/article/view/3421warm mix asphaltadditivesaggregate gradationpropertiescomparative investigation |
| spellingShingle | Xinsheng Li Zhaoxing Xie Wenzhong Fan Lili Wang Junan Shen Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience The Baltic Journal of Road and Bridge Engineering warm mix asphalt additives aggregate gradation properties comparative investigation |
| title | Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience |
| title_full | Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience |
| title_fullStr | Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience |
| title_full_unstemmed | Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience |
| title_short | Selecting Warm Mix Asphalt Additives by the Properties of Warm Mix Asphalt Mixtures ‒ China Experience |
| title_sort | selecting warm mix asphalt additives by the properties of warm mix asphalt mixtures china experience |
| topic | warm mix asphalt additives aggregate gradation properties comparative investigation |
| url | https://bjrbe-journals.rtu.lv/article/view/3421 |
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