Analysis of coarse aggregate performance based on the modified Micro Deval abrasion test

被引：0
|
作者：
Wu J. [1 ]
Hou Y. [1 ]
Wang L. [2 ]
Guo M. [1 ]
Meng L. [1 ]
Xiong H. [1 ]
机构：
[1] National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing
[2] Department of Civil and Environmental Engineering, Virginia Tech
来源：
Wang, Linbing (wangl@vt.edu) | 2018年 / Elsevier B.V., Singapore卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Abrasion values; Anti-abrasion property; Coarse aggregate; Micro-Deval abrasion test;
D O I：
10.1016/j.ijprt.2017.10.007
中图分类号：
学科分类号：
摘要：
The anti-abrasion property of aggregate significantly affects the performance of the pavement. In this research, the quartzite and gneiss which were produced in Lincheng County, Xingtai City, Hebei Province were selected as test samples. According to the American Society for Testing and Materials standard, the Micro-Deval abrasion test was taken every 1000 rotation times until 20,000 times, and the change trend of the Micro-Deval abrasion value was obtained. Results showed that the abrasion values were in the exponential growth rate rather than linear rate. Their R-Square coefficient was 0.99142 and 0.99916 respectively. The gravel information such as area, roundness, diameter, perimeter and so on were calculated and analyzed by Image-Pro Plus software, which provided a rapid way for the 2D morphology characteristics analysis of the coarse aggregate. © 2018 Chinese Society of Pavement Engineering
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页码：185 / 194
页数：9
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