Study on pavement life and cost of glass fiber modified asphalt for tension belt

BAI Wei, 1. Guangxi Nantian Expressway Co., Ltd., Nanning, Guangxi 530022, China;
KONG Weikang, 2. School of Civil Engineering and Architecture, Guangxi University, Nanning, Guangxi 530004, China;
MENG Yongjun, 2. School of Civil Engineering and Architecture, Guangxi University, Nanning, Guangxi 530004, China; 3. Key Laboratory of Disaster Prevention and Structural Safety, Ministry of Education, Guangxi University, Nanning, Guangxi 530004, China; 4. Guangxi Special Geological Highway Safety Engineering Research Center, Department of Science Technology in Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530022, China

Abstract

Adding fiber to asphalt mixture can improve the performance. As an alternative to wood fiber, glass fiber can be used as an additive to asphalt mixtures such as stone mastic asphalt. The effect of adding loose glass fiber on the properties of different asphalt mixtures was studied. The influence of glass fiber on the fatigue and stiffness properties of asphalt mixture was studied through the cyclic indirect tensile test by selecting glass fiber with a constant mass ratio of 0.5%, and the application of these asphalt mixtures as tension bands was further studied. The pavement service life and economic benefits were calculated. The results show that adding glass fiber with a mass ratio of 0.5% can make different asphalt mixtures have better fatigue and stiffness properties and can reduce the thickness of the asphalt layer in the pavement structure. It is proven that the performance of glass fiber-modified asphalt is better, and the pavement cost can be significantly reduced by laying tension bands with glass fiber-modified asphalt mixture.

Publication Date

11-24-2023

DOI

10.14048/j.issn.1671-2579.2023.05.011

First Page

Last Page

Submission Date

March 2025

Recommended Citation

Wei, BAI; Weikang, KONG; and Yongjun, MENG (2023) "Study on pavement life and cost of glass fiber modified asphalt for tension belt," Journal of China & Foreign Highway: Vol. 43: Iss. 5, Article 11.
DOI: 10.14048/j.issn.1671-2579.2023.05.011
Available at: https://zwgl1980.csust.edu.cn/journal/vol43/iss5/11

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