Author(s)

Shujie Li ¹

Affiliation(s)

¹ Xingtai Branch of Xingheng Expressway, Hebei Expressway Group Co., Ltd., Xingtai, Hebei, China

Corresponding Author

Shujie Li

ABSTRACT

At present, asphalt pavement is widely used because of its smooth surface, large transportation capacity and convenient construction. However, in the long-term operation process, due to the complex environment, transportation load gradually increased and other reasons, a variety of diseases were caused. Due to its own composition and structural characteristics, it is easy to be softened at high temperature, brittle at low temperature, poor elasticity, anti-aging and other characteristics, and the maintenance cost in the project is high. It is necessary for highway maintenance personnel to improve the high temperature resistance of asphalt by adding various modifiers. The unique surface effect, size effect, quantum scale effect and quantum tunneling effect of nanoparticles make them have unique applications in many aspects. In recent years, people have done a lot of research work on traditional nano reinforced particles such as carbon black, white carbon black and clay, and developed some natural rubber nanocomposites with excellent performance. With the progress of science and technology, the application of new nano materials such as carbon nanotubes has greatly improved their performance in all aspects. It has become a research hotspot in the material field that the surface of rubber can be modified by nano particles and nano composite technology to obtain excellent comprehensive properties. This paper mainly studied the role of nano modified rubber in the physical and rheological properties of asphalt, and through the performance comparison and micro test analysis before and after modification, it was concluded that nano modified rubber can better promote the improvement of physical and rheological properties of rubber asphalt. It was found that the rutting factor of modified asphalt was increased by 10.49%, and the aging resistance of asphalt was also improved. The modification of nano rubber can not only expand its consumption market, but also significantly improve the performance of asphalt roads.

KEYWORDS

Nano Modification, Modified Rubber, Asphalt Physics, Rheological Properties

CITE THIS PAPER

Shujie Li, Effect of Nano Modified Rubber on Physical and Rheological Properties of Asphalt. Analytical Chemistry: A Journal (2025) Vol. 4: 15-26. DOI: http://dx.doi.org/10.23977/analc.2025.040103.

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