Effect of differentiation processing of mineral aggregate on asphalt pavement sliding resistance

被引：0
|
作者：
Wang Y. [1 ]
He L. [2 ]
Sun L. [3 ]
机构：
[1] National and Local Joint Engineering Laboratory of Traffic Civil Engineering Materials, Chongqing Jiaotong University, Chongqing
[2] School of Civil Engineering, Chongqing Jiaotong University, Chongqing
[3] School of Transportation, Southeast University, Nanjing
来源：
| 1600年 / Southeast University卷 / 47期
关键词：
Asphalt pavement; Average amplitude of fluctuation(AAF); Average decay rate(ADR); Differentiation processing; Sliding resistance;
D O I：
10.3969/j.issn.1001-0505.2017.06.021
中图分类号：
学科分类号：
摘要：
In order to quantitatively evaluate the effect of differentiation processing on pavement sliding resistance, two types of mineral aggregates with different wear resistances, limestone and basalt, were chosen for differentiation processing, and average decay rate (ADR) and average amplitude of fluctuation (AAF) were established to express the degradation rate and the fluctuation amplitude, respectively. Additionally, based on ADR and AAF, the effect of differentiation distribution ratios on sliding resistance was also analyzed. The results show that the differentiation processing of mineral aggregate can improve the pavement sliding resistance, intensify the fluctuation intensity and delay the degradation process. However, the influence of different differentiation distribution ratios on sliding resistance is completely different. The reasonable choice of differentiation distribution ratio is helpful to decrease the degradation rate of sliding resistance and generate new texture structures, thus improving the sliding resistance of asphalt mixture. © 2017, Editorial Department of Journal of Southeast University. All right reserved.
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页码：1216 / 1220
页数：4
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