Experimental Study on Pavement Performance and Leaching Characteristic of Asphalt Mixture with Bottom Ash Aggregate

被引：0

作者：

Hu M. ^{[1
]}

Li L. ^{[1
]}

Wang J. ^{[2
]}

Yang K. ^{[3
]}

机构：

[1] Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai

[2] Zhejiang Traffic Planning and Design Institute Co., Ltd., Hangzhou

[3] Shanghai Municipal Maintenance Management Co., Ltd., Shanghai

来源：

Jianzhu Cailiao Xuebao/Journal of Building Materials | 2019年 / 22卷 / 03期

关键词：

Asphalt mixture; Leaching characteristic; Municipal solid waste incineration bottom ash; Pavement performance; Road engineering;

D O I：

10.3969/j.issn.1007-9629.2019.03.022

中图分类号：

学科分类号：

摘要：

AC-20 asphalt mixture containing different contents and different particle sizes of municipal solid waste incineration bottom ash aggregate(BAA) was designed by Marshall test method. The effects of BAA contents and particle sizes on pavement performance of asphalt mixture was analyzed. The stabilization of asphalt mixture on BAA was also evaluated based on the leaching test. Results show the dynamic stability of mixture initially improves with the increase of BAA content and then reduces gradually, and it also reduces with the increase in BAA particle sizes. The maximum bending strain of mixture shows a significant increasing trend initially with the increase in BAA content and then decreases gradually. The effect of 0-4.75mm BAA with 10% content on low-temperature performance is better. The water stability of asphalt mixture can be improved with small content(0%-10%) and small particle sizes(0-4.75mm). Furthermore, the stability of asphalt mixture on BAA soluble substance improves with an increase of BAA particle sizes, and a decrease of BAA content. According to test results, it is recommended that the suitable particle sizes and contents of BAA are 0-4.75mm and 10% for using in asphalt mixture. © 2019, Editorial Department of Journal of Building Materials. All right reserved.

引用

页码：480 / 486

页数：6

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