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[1]李杰,雷勇,胡小弟.热拌沥青混合料筛分[J].武汉工程大学学报,2014,(11):17-22.[doi:103969/jissn167428692014011004]
　LI Jie,LEI Yong,HU Xiao di.Sieving of hot mix asphalt[J].Journal of Wuhan Institute of Technology,2014,(11):17-22.[doi:103969/jissn167428692014011004]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年11期
页码:
17-22
栏目:
其他
出版日期:
2014-11-30

文章信息/Info

Title:
Sieving of hot mix asphalt
文章编号:
16742869(2014)011001706
作者:
李杰; 雷勇; 胡小弟
武汉工程大学资源与土木工程学院，湖北 武汉 430074
Author(s):
LI Jie;  LEI Yong;  HU Xiaodi
School of Resources and Civil Engineering，Wuhan Institute of Technology, Wuhan 430074，China
关键词:
热拌沥青混合料; 筛分; 沥青含量; 矿料级配曲线
Keywords:
hot mix asphalt;  sieving;  asphalt content;  aggregate gradation curve
分类号:
U414
DOI:
103969/jissn167428692014011004
文献标志码:
A
摘要:
用由马歇尔设计法得到AC13与AC20的沥青混合料，搅拌后将混合料依次通过孔径为16 mm、13.2 mm、4.75 mm的方孔筛进行筛分;对筛分得到的四档沥青混合料按照一定比例进行重新分配得到新的AC13（n）与AC20（n）.通过燃烧法试验测定AC13（n）与AC20（n）的沥青含量及其矿料级配曲线.分别对比AC13（n）、AC20（n）与AC13、AC20的沥青含量和矿料级配曲线变化情况，结果表明：通过对热拌沥青混合料筛分得到的沥青混合料，在沥青含量和矿料级配曲线方面均符合规范规定的范围，且偏离最初的设计很小，因此，热拌沥青混合料的筛分是可行的.
Abstract:
Two HMAs, i.e., AC13 and AC20 were prepared by Marshall method .They were mixed together and sieved by different size sieves, i.e., 16 mm, 13.2 mm and 4.75 mm so that four sieved hot mix asphalt mixtures were produced. Reassigned those four sieved hot mix asphalt mixtures and two new HMAs, namely AC13(n) and AC20(n) were obtained. By asphalt burner oven, AC13(n) and AC20(n) were burned for the asphalt content and aggregate gradation testing. The testing result shows that, from hotmix asphalt bitumen obtained by sieving mix, asphalt content and aggregate gradatin curves are in line with the range of specification for the two new HMAs (i.e. obtained HMAs by sieving), the aggregate gradations still match respective limited of specification, and the asphalt contents have very small change compared with those designed by Marshall method; so it implies that the hotmix asphalt screening is feasible.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140919作者简介：李杰（1954）,男，湖北咸宁人，教授，博士研究生导师.研究方向：道路交通工程.
更新日期/Last Update: 2014-12-08