期刊论文

Zhang, Junhui

英文

Journal of Materials in Civil Engineering

0899-1561

2019

31

3

10.1061/(ASCE)MT.1943-5533.0002623

The authors gratefully acknowledge the National Key Research and Development Program of China (2017YFC0805307), the National Natural Science Foundation of China (51478054, 51778071, and 51878078), the Excellent Youth Foundation of Natural Science Foundation of Hunan Province (2018JJ1026), and the Key Project of Education Department of Hunan Province (17A008). This research was supported by the Open Research Fund of Science and Technology Innovation Platform of State Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology (kfj150103)

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Aggregate occupies at least three-quarters of the volume of asphalt mixture and can significantly affect the performance of pavement. The geometrical morphology influences the slippage and interlock among aggregates for resisting and distributing applied loads. In recent years, the discrete-element method (DEM) has been employed for simulation of asphalt mixture structure. This paper introduces an approach for simulation of aggregate and asphalt mixtures using parameterized shape and size gradation. Both the plane geometry factor (PGF) and the ...