DataVXRoad Materials and Pavement DesignPaper
journal article·2021-06-03

A numerical study on rutting behaviour of direct coal liquefaction residue modified asphalt mixture

Jie Ji, Zhe Wang, Hui Yao, Di Wang, Ran Zhang, Aboelkasim Diab, Qingli Dai

Road Materials and Pavement Design· Volume 22· Issue 6
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Source abstract

Abstract

The main objective of this paper is to evaluate the rutting potential of Direct Coal Liquefaction Residue (DCLR) modified asphalt mixture using a numerical investigation. The viscoelastic parameters of the mix were obtained using the dynamic creep test and time-hardening power creep law. The effectiveness of the parameters was validated by the rutting test at multiple temperatures and tyre pressures. Considering that the action of temperature and loading field together, the rutting prediction models were constructed to analyse the behaviour of pavement with DCLR modified asphalt mixture as a middle layer during days/years. The pavement test results show that the DCLR modified asphalt mixture had a better resistance to rutting compared with the control asphalt mixture and the rut depth of pavement can be significantly reduced. During the full day/year, the most dangerous period that is more prone to rutting is 10:00 AM to 18:00 PM and June to September.
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Research context

OpenAlex topics: Asphalt Pavement Performance Evaluation · Infrastructure Maintenance and Monitoring · Geotechnical Engineering and Underground Structures

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Civil Engineering and Transportation, Beijing University of Civil Engineering and Architecture, Beijing, People’s Republic of China

Beijing Advanced Innovation Center for Future Urban Design, Beijing University of Civil Engineering and Architecture, Beijing, People’s Republic of China

Beijing Key Laboratory of Traffic Engineering, College of Metropolitan Transportation, Beijing University of Technology, Beijing, People’s Republic of China

Department of Civil Engineering, Aswan University, Aswan, Egypt

Department of Civil and Environmental Engineering, Michigan Technological University, Houghton, MI, USA

Funding

National Natural Science Foundation of China

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