Short-Term Aging Effect on Cryogenic Property of Common Asphalt in Xinjiang

doi:10.3969/j.issn.1674-0696.2015.02.11

Journal of Chongqing Jiaotong University(Natural Science) ›› 2015, Vol. 34 ›› Issue (2): 50-53.DOI: 10.3969/j.issn.1674-0696.2015.02.11

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Short-Term Aging Effect on Cryogenic Property of Common Asphalt in Xinjiang

Bu Hailing¹, Liu Tao², Yang Sanqiang²

1. College of Machinery & Transport, Xinjiang Agricultural University, Urumqi 830052, Xinjiang, China;2. Key Laboratory of Highway Engineering Technology in Arid ＆ Desert Region Ministry of Transport PRC, Xinjiang Communications Science Institute, Urumqi 830000, Xinjiang, China

Received:2013-10-23 Revised:2014-01-03 Online:2015-04-15 Published:2015-06-01

新疆地区常用沥青短期老化低温性能的评价

布海玲¹,刘涛²,杨三强²

1.新疆农业大学机械交通学院，新疆乌鲁木齐 830052;2.干旱荒漠区公路工程技术交通行业重点实验室新疆交通科学研究院，新疆乌鲁木齐 830000

作者简介:布海玲(1987-)，女，河北承德人，硕士研究生，主要从事道路工程方面的研究。E-mail:bhl0808@126.com。
基金资助:
新疆自治区科研机构创新发展专项资金项目(2012022)

Abstract

Abstract: Taking four kinds of common asphalt in Xinjiang area as examples, the BBR test instrument was used to conduct a study. Low temperature performance of the asphalt before and after short-term aging can be sorted out through the comparison and analysis of the low temperature performance indicators before and after RTFOT experiment. Meanwhile, it can be found that the sensitivity of the modified asphalt on short-term aging is greater than the base asphalt and short-term aging effect on the property of asphalt relaxation is greater than the effect on asphalt stiffness.

Key words: road engineering, short-term aging, low temperature performance, stiffness modulus, evaluate and contrast

摘要： 以新疆地区4种常用沥青为例，应用BBR试验仪器，通过对RTFOT试验前后沥青低温性能指标的对比分析，得出4种沥青短期老化前后低温性能的排序，及改性沥青对短期老化的敏感性大于基质沥青，且短期老化对沥青松弛性能的影响大于对沥青劲度的影响。

关键词: 道路工程, 短期老化, 低温性能, 劲度模量, 评价对比

CLC Number:

U416.217

Bu Hailing, Liu Tao, Yang Sanqiang. Short-Term Aging Effect on Cryogenic Property of Common Asphalt in Xinjiang[J]. Journal of Chongqing Jiaotong University(Natural Science), 2015, 34(2): 50-53.

布海玲,刘涛,杨三强. 新疆地区常用沥青短期老化低温性能的评价[J]. 重庆交通大学学报（自然科学版）, 2015, 34(2): 50-53.

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Short-Term Aging Effect on Cryogenic Property of Common Asphalt in Xinjiang

新疆地区常用沥青短期老化低温性能的评价

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