Journal Published Online: 30 July 2019
Volume 48, Issue 3

Study of Low-Temperature Performance of Short Fiber–Reinforced Asphalt Seal Band

CODEN: JTEVAB

Abstract

To study the low-temperature performance of short fiber–reinforced asphalt seal band, different experiments were set by changing the content, length, and type of fibers. Their low-temperature performance was analyzed by low-temperature tensile tests as well as stress relaxation experiments, and the fracture morphology was analyzed using a scanning electron microscope; elastic modulus, ultimate tensile stress, low-temperature tensile fracture energy, and relaxation index are reported. Furthermore, a new evaluation scheme was given according to an entropy evaluation method. Results indicate that fibers effectively improve the low-temperature performance of the asphalt seal band. Specifically, in terms of the mechanical properties of the asphalt seal band during the tensile process, it is the best to infuse a 0.3 % volume fraction of 6-mm basalt fiber into the matrix, while according to the evaluation system established in this research, it is the best to use a 0.3 % volume fraction of 6-mm polyester fiber.

Author Information

He, Zhigang
School of Transportation Science and Engineering, Beihang University, Beijing, China
Wang, Yimin
Beijing Luxin Asphalt Concrete Co., Ltd., Beijing, China
Li, Feng
School of Transportation Science and Engineering, Beihang University, Beijing, China
Ren, Fengbo
School of Transportation Science and Engineering, Beihang University, Beijing, China
Li, Fei
School of Transportation Science and Engineering, Beihang University, Beijing, China
Pages: 16
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: JTE20190169
ISSN: 0090-3973
DOI: 10.1520/JTE20190169