Transportation Research Congress 2016
Application of 3D Fractal Dimension in Describing Surface Morphology of Aggregates
Publication: Transportation Research Congress 2016: Innovations in Transportation Research Infrastructure
ABSTRACT
The micro-texture of pavement layer aggregate has a direct influence on the skid resistance of pavement. In this paper, the 3D coordinate data of three kinds of aggregates surface is collected based on the surface profiler. Using the box counting method, the MATLAB program is compiled and the 3D fractal dimension of the rock surface is calculated. The results show that the method has good effect on describing the 3D microstructure of the aggregate surface. After that, the difference analysis of fractal dimension of three kinds of different aggregate is carried out. The significant level of microstructure difference between different aggregates is obtained. The results show that there is a significant difference between the surface microstructure of basalt and the other two aggregates. And, there is no significant difference between the surface microstructure of limestone and red sandstone aggregate.
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ACKNOWLEDGEMENTS
The research performed in this paper is supported by National Natural Science Foundation of China (No.51308042, No.41372320), National Science Foundation of Shandong Province (ZR2015EQ009), and Fundamental Research Funds for the Central Universities (06500036).
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Information & Authors
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Published In
Transportation Research Congress 2016: Innovations in Transportation Research Infrastructure
Pages: 225 - 232
Editors: Linbing Wang, Ph.D., Virginia Polytechnic University, Jianming Ling, Ph.D., Tongji University, Pan Liu, Ph.D., Southeast University, Hehua Zhu, Tongji University, Hongren Gong, University of Tennessee Knoxville, and Baoshan Huang, Ph.D., University of Tennessee Knoxville
ISBN (Online): 978-0-7844-8124-0
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© 2018 American Society of Civil Engineers.
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Published online: Feb 6, 2018
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