[1]徐鹏,陈华鑫,牛冬瑜,等.基于FT-IR谱图分区的彩色沥青性能对比分析[J].深圳大学学报理工版,2018,35(No.2(111-220)):146-150.[doi:10.3724/SP.J.1249.2018.02146]
 XU Peng,CHEN Huaxin,et al.Comparative analysis of performance of colored asphalt based on the partition of FT-IR graph[J].Journal of Shenzhen University Science and Engineering,2018,35(No.2(111-220)):146-150.[doi:10.3724/SP.J.1249.2018.02146]
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基于FT-IR谱图分区的彩色沥青性能对比分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第35卷
期数:
2018年No.2(111-220)
页码:
146-150
栏目:
土木建筑工程
出版日期:
2018-03-20

文章信息/Info

Title:
Comparative analysis of performance of colored asphalt based on the partition of FT-IR graph
文章编号:
201802006
作者:
徐鹏12陈华鑫1牛冬瑜1郭彦强2樊涛1
1)长安大学材料科学与工程学院,长安大学道路结构与材料交通行业重点实验室,陕西西安 710061;2)西安公路研究院,陕西西安 710065
Author(s):
XU Peng1 2 CHEN Huaxin1 NIU Dongyu1 GUO Yanqiang2 and FAN Tao1
1) Key Laboratory of Road Structure & Material Ministry of Transport, School of Materials Science and Engineering, Chang’an University, Xi’an 710061, Shaanxi Province, P.R.China 2) Xi’an Highway Research Institute, Xi’an 710065, Shaanxi Province, P.R.China
关键词:
道路工程彩色沥青石油沥青指纹区傅里叶变换红外光谱结构特性
Keywords:
road engineering colored asphalt petroleum asphalt fingerprint region Fourier transform infrared spectroscopy structural characteristics
分类号:
U 414
DOI:
10.3724/SP.J.1249.2018.02146
文献标志码:
A
摘要:
为研究彩色沥青的结构特性及路用性能,基于傅里叶变换红外光谱试验,对比了CA70、CA90彩色沥青和A70、A90道路石油沥青短期老化前后的峰形特征,分析了沥青常规性能指标、组分及官能团的变化.结果表明,选用的彩色沥青和道路石油沥青的官能团主要集中在两个区域——特征区(1 160~3 100 cm-1)和指纹区(1 160~650 cm-1),特征区官能团峰形一致,而指纹区的峰形不同.短期老化后,沥青红外光透射率有一定程度增加,针入度降低,延度值下降;指纹区面积的变化与沥青组分含量及性能变化相关.
Abstract:
Characteristics of peak shape for CA70/CA90 colored asphalt and A70/A90 road petroleum asphalt before and after thin film oven test (TFOT) are compared in order to study the structure characteristics and pavement performance of colored bituminous. The conventional performance indicators, composition and functional groups changing of asphalt are analyzed. The results show that functional groups of colored asphalt and road asphalt are mainly concentrated in two areas, feature area (1 160~3 100 cm-1) and fingerprint area (1 160~650 cm-1). Peak shape of colored asphalt feature area keeps pace with that of the petroleum asphalt, nevertheless, their fingerprint shapes are different. Asphalt infrared transmittance increases to a certain extent after short-term aging, the penetration and ductility values decrease. Changing of fingerprint area associates with the disintegration of composition and performance of asphalt.

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更新日期/Last Update: 2018-03-07