| 不同外加剂对沥青PG分级影响研究进展 |
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| 引用本文： | 李纯,时敬涛,王体宏,李剑新. 不同外加剂对沥青PG分级影响研究进展[J]. 石油沥青, 2020, 0(2): 1-4 |
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| 作者姓名： | 李纯 时敬涛 王体宏 李剑新 |
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| 作者单位： | 中石油燃料油有限责任公司研究院 |
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| 摘 要： | 沥青PG分级体系是基于沥青流变性能提出的一种分级方法,其主要性能参数包括复数剪切模量、相位角、车辙因子、蠕变劲度及其变化率,系统介绍了温拌剂、橡胶粉、SBS等不同外加剂对沥青PG分级影响的研究现状,旨在为沥青性能的提高和添加剂的选择提供参考。
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| 关 键 词： | PG分级 流变性能 外加剂 |
Research Progress on the Effect of Different Additiveson AsphaltPerformance Grade |
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| Li Chun,Shi Jingtao,Wang Tihong,Li Jianxin. Research Progress on the Effect of Different Additiveson AsphaltPerformance Grade[J]. Petroleum Asphalt, 2020, 0(2): 1-4 |
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| Authors: | Li Chun Shi Jingtao Wang Tihong Li Jianxin |
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| Affiliation: | (Research Institute,Petrochina Fuel Oil Co.,Ltd.,Beijing 100195) |
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| Abstract: | Performance grade system of asphalt is a grade method based on the rheological properties,the main performance parameters include the plural shear modulus,phase angle,rutting factor,creep stiffness and its change rate.This paper introduces the research status of the effect of warm mixing agent,rubber powder,andSBSon asphaltperformance grade,aimed at improving the performance of asphalt and providing the reference for additivesselection. |
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| Keywords: | performance grade rheological property additives |
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