[1]季 节,石越峰,李鹏飞,等.煤直接液化残渣和粉胶比对沥青胶浆高低温性能的影响[J].西安建筑科技大学学报:自然科学版,2015,47(04):511-516.[doi:10.15986/j.1006-7930.2015.04.009]
　JI Jie,SHI Yuefeng,LI Pengfei,et al.Analysis of high and low temperature properties of asphalt mortar affected by DCLR and filler-asphalt ratio[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(04):511-516.[doi:10.15986/j.1006-7930.2015.04.009]
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煤直接液化残渣和粉胶比对沥青胶浆高低温性能的影响()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年04期
页码:
511-516
栏目:
出版日期:
2015-08-31

文章信息/Info

Title:
Analysis of high and low temperature properties of asphalt mortar affected by DCLR and filler-asphalt ratio
文章编号:
1006-7930(2015)04-0511-7
作者:
季 节; 石越峰; 李鹏飞; 杨 松; 索 智; 徐世法
北京建筑大学土木与交通工程学院，北京，100044
Author(s):
JI Jie;  SHI Yuefeng;  LI Pengfei;  YANG Song;  SUO Zhi;  XU Shifa
School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044,China
关键词:
煤直接液化残渣（Direct Coal Liquefaction Residue）; 粉胶比; 沥青胶浆; DSR 和BBR 试验; 高低温性能
Keywords:
DCLR (Direct Coal Liquefaction Residue);  filler-asphalt ratio;  asphalt mortar;  DSR and BBR;  high and low temperature properties
分类号:
U414
DOI:
10.15986/j.1006-7930.2015.04.009
文献标志码:
A
摘要:
为了分析煤直接液化残渣（Direct Coal Liquefaction Residue）和粉胶比对沥青胶浆高低温性能的影响，利用DSR（Dynamic Shear Rheometer）和BBR（Bending Beam Rheometer）试验，对不同粉胶比（0.6，0.8，1.0，1.2）和DCLR 下沥青胶浆的高低温性能进行研究，分析DCLR 和粉胶比对G*/sinδ（车辙因子）、S（蠕变劲度模量）以及m-值（蠕变速率）的影响规律．试验结果表明：随着粉胶比的提高和DCLR 的添加，沥青胶浆的高温性能在不断增强，低温性能在逐渐下降，出现了最佳粉胶比．综合平衡沥青胶浆的高低温性能，当粉胶比为1.0 时，其高低温性能最佳．
Abstract:
To analyze the high and low temperature properties of asphalt mortar affected by DCLR (Direct Coal Liquefaction Residue) and filler-asphalt ratio, the asphalt mortar with different filler-asphalt ratio (0.6, 0.8, 1.0, 1.2) and DCLR were prepared. Their properties were tested by using DSR and BBR. The G*/sinδ, S and m-value of asphalt mortar affected by DCLR and filler-asphalt ratio were analyzed. With the DCLR and the filler-asphalt ratio increases, the high temperature property of asphalt mortar improves but the low temperature property of asphalt mortar declines, and there exists the optimum filler-asphalt ratio. It suggests that the high and low temperature properties of asphalt mortar are best when filler-asphalt ratio is 1.0.

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备注/Memo

备注/Memo:
收稿日期： 2015-03-06 修改稿日期：2015-07-25
基金项目：北京市属高等学校高层次人才引进与培养计划项目（No.PXM2013-014210-000165）和国家自然基金（51478028）
作者简介：季节（1972-），教授，博士，主要研究方向为道路工程材料．E-mail: jijie@bucea.edu.cn
更新日期/Last Update: 2015-10-30