Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology
This paper investigates the use of steel slag in the place of basalt coarse aggregate in Stone Mastic Asphalt-13 (SMA-13) gradings in the early forming of an experimental pavement and evaluates the test performance of the mixes, combined with 3D scanning techniques to analyse the initial textural st...
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MDPI AG
2023-04-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/8/3256 |
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| author | Shuai Zhang Rongxin Guo Feng Yan Ruzhu Dong Chuiyuan Kong Junjie Li |
| author_facet | Shuai Zhang Rongxin Guo Feng Yan Ruzhu Dong Chuiyuan Kong Junjie Li |
| author_sort | Shuai Zhang |
| collection | DOAJ |
| description | This paper investigates the use of steel slag in the place of basalt coarse aggregate in Stone Mastic Asphalt-13 (SMA-13) gradings in the early forming of an experimental pavement and evaluates the test performance of the mixes, combined with 3D scanning techniques to analyse the initial textural structure of the pavement. Laboratory tests were carried out to design the gradation of the two asphalt mixtures and to assess the strength, chipping and cracking resistance of the asphalt mixtures using water immersion Marshall tests, freeze–thaw splitting tests, rutting tests and for comparison with laboratory tests, while surface texture collection and analysis of the height parameters (i.e., Sp, Sv, Sz, Sq, Ssk) and morphological parameters (i.e., Spc) of the pavement were performed to assess the skid resistance of the two asphalt mixtures. Firstly, the results show that a substitution of steel slag for basalt in pavements is a good alternative for efficient resource utilization. Secondly, when steel slag was used in place of basalt coarse aggregate, the water immersion Marshall residual stability improved by approximately 28.8% and the dynamic stability by approximately 15.8%; the friction values decayed at a significantly lower rate, and the MTD did not change significantly. Thirdly, in the early stages of pavement formation, Sp, Sv, Sz, Sq and Spc showed a good linear relationship with BPN values, and these texture parameters can be used as parameters to describe steel slag asphalt pavements. Finally, this study also found that the standard deviation of peak height was higher for steel slag–asphalt mixes than for basalt–asphalt mixes, with little difference in texture depth, while the former formed more peak tips than the latter. |
| first_indexed | 2024-03-11T04:48:07Z |
| format | Article |
| id | doaj.art-eaeb10d30c0f48c7bf691cfe57a6fabc |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T04:48:07Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-eaeb10d30c0f48c7bf691cfe57a6fabc2023-11-17T20:15:26ZengMDPI AGMaterials1996-19442023-04-01168325610.3390/ma16083256Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning TechnologyShuai Zhang0Rongxin Guo1Feng Yan2Ruzhu Dong3Chuiyuan Kong4Junjie Li5School of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Civil Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaThis paper investigates the use of steel slag in the place of basalt coarse aggregate in Stone Mastic Asphalt-13 (SMA-13) gradings in the early forming of an experimental pavement and evaluates the test performance of the mixes, combined with 3D scanning techniques to analyse the initial textural structure of the pavement. Laboratory tests were carried out to design the gradation of the two asphalt mixtures and to assess the strength, chipping and cracking resistance of the asphalt mixtures using water immersion Marshall tests, freeze–thaw splitting tests, rutting tests and for comparison with laboratory tests, while surface texture collection and analysis of the height parameters (i.e., Sp, Sv, Sz, Sq, Ssk) and morphological parameters (i.e., Spc) of the pavement were performed to assess the skid resistance of the two asphalt mixtures. Firstly, the results show that a substitution of steel slag for basalt in pavements is a good alternative for efficient resource utilization. Secondly, when steel slag was used in place of basalt coarse aggregate, the water immersion Marshall residual stability improved by approximately 28.8% and the dynamic stability by approximately 15.8%; the friction values decayed at a significantly lower rate, and the MTD did not change significantly. Thirdly, in the early stages of pavement formation, Sp, Sv, Sz, Sq and Spc showed a good linear relationship with BPN values, and these texture parameters can be used as parameters to describe steel slag asphalt pavements. Finally, this study also found that the standard deviation of peak height was higher for steel slag–asphalt mixes than for basalt–asphalt mixes, with little difference in texture depth, while the former formed more peak tips than the latter.https://www.mdpi.com/1996-1944/16/8/3256steel slagsolid wastetexture structure3D scanning techniqueheight parametersmorphological parameters |
| spellingShingle | Shuai Zhang Rongxin Guo Feng Yan Ruzhu Dong Chuiyuan Kong Junjie Li Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology Materials steel slag solid waste texture structure 3D scanning technique height parameters morphological parameters |
| title | Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology |
| title_full | Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology |
| title_fullStr | Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology |
| title_full_unstemmed | Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology |
| title_short | Analysis of Asphalt Mixtures Modified with Steel Slag Surface Texture Using 3D Scanning Technology |
| title_sort | analysis of asphalt mixtures modified with steel slag surface texture using 3d scanning technology |
| topic | steel slag solid waste texture structure 3D scanning technique height parameters morphological parameters |
| url | https://www.mdpi.com/1996-1944/16/8/3256 |
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