Discussion on Andesite Asphalt Mixture Used as Pavement Lower Surface

Abstract:

Based on the expressway construction from Xilinhaote to Sanggendalai in China, this paper discussed difficulties and solutions of asphalt mixture using andesite aggregate used as pavement lower surface. There are a lot of andesite reserves in Ximeng area, China. However, andesite aggregate has poor adhesion with asphalt bitumen because of its fragile textures, dense surface and low water absorption rate .Consequently the moisture stability of asphalt mixture using andesite aggregate is poor. Meanwhile, the mixture can not be compacted easily due to the hardness of andesite aggregate. In this paper, in order to solve the problem on the poor adhesion and compaction for asphalt mixture using andesite aggregate, different methods were investigated. The results show that adding adhesion agent or using limestone fine aggregate is an effective way to make the asphalt mixture acting as pavement lower surface.

• Periodical: Key Engineering Materials (Volume 599)
• Pages: 105-109
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.599.105
• Online since: February 2014
• Authors: Ya Hui Ding, Fei Shang*, Shan Li, Yan Gao
• Keywords: Adhesion Agent, Andesite Aggregate, Asphalt Mixture (AC), Limestone Fine Aggregate

References

[1] Dedong Guo, Hongmei Xu, Xiaogang Li. Application of porous andesite in asphalt pavement [J], Journal of Shandong University: Engineering and Technology Edition (in Chinese). 40 (2010) 133-136.

[2] Fanhua Chen, Dengfeng Zhang, Gang Liu. Experimental study on improving water stability performance of asphalt mixture, [J]. Journal of Wuhan University of Technology (in Chinese). 29 (2007) 9-11.

[3] Qingyu Meng, Daxi Huang, Zuhuang Zhu. Study on the improvement of andesite Asphalt Mixture Compaction and water stability performance, [J]. The World of Building Materials (in Chinese). 30 (2009) 5-7.

[4] Jinquan Bai, Guojun Wang, Jianhua Bao, Wen Tao. Research on application of andesite asphalt mixture, [J]. The World of Building Materials (in Chinese). 31 (2010) 33-36.

[5] Haoran Zhu, Jun Yang. Comparative analysis of anti-rutting performance on hard asphalt, [J]. Journal of China and Foreign Highway (in Chinese). 26 (2006) 214-216.