Materials Reports  2020, Vol. 34 Issue (Z2): 278-282 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Comprehensive Performance Evaluation of Emulsified Asphalt Residue Based on Principal Component Analysis |
| HOU Dehua1,2, ZHANG Qing1,3, HAN Zhiyu1,2, ZHANG Fangchao1,2
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1 Henan Province Key Laboratory of High Grade Highway Detection and Maintenance Technology, Xinxiang 453003, China
2 Henan Gaoyuan Highway Maintenance Technology Co., LTD, Xinxiang 453003, China
3 School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China |
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Abstract In order to evaluate the influence of high temperature evaporation method and low temperature evaporation method on the comprehensive performance of emulsified asphalt, the dynamic shear rheometer and low temperature force ductility tester were used to study the mechanical properties of different emulsified asphalt residues, and the principal component analysis method was used to establish the comprehensive performance evaluation model of emulsified asphalt evaporation residues. The results show that the high-temperature and low-temperature evaporation method will cause certain aging of asphalt, while the high-temperature evaporation method will cause polymer degradation, to some extent, it affects the actual performance evaluation of emulsified asphalt residue, while the low-temperature evaporation method can avoid the damage of SBR modifier and emulsifier to the greatest extent. On this basis, the principal component analysis shows that the influence of high and low temperature evaporation on the performance of emulsified asphalt is only 11.312%, it shows that there is no significant difference between the two evaporation methods on their comprehensive performance, and the comprehensive performance score of low temperature evaporation emulsified asphalt residue is relatively high, which can reflect the actual performance of emulsified asphalt more objectively.
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Published: 08 January 2021
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| Fund:This work was financially supported by the National Key R & D Program of China (2018YFE0120200), Major Science and Technology Projects of Henan Pro-vince (151100310700), Major Science and Technology Projects of Xinxiang City (ZD19007). |
| About author:: Dehua Hou, graduated from Chang'an University and obtained a master's degree in road engineering materials. At present, he is engaged in the research of pavement materials in the Key Laboratory of Detection and Maintenance Technology of High-Grade Highway in Henan Province. |
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