[1]马峰富志鹏傅珍.基于光电比色法的天然沥青改性沥青与集料粘附性研究[J].郑州大学学报(工学版),2015,36(03):77-81.[doi:10.3969/ j. issn.1671 - 6833.2015.03.017]
　MA Feng,FU Zhi-peng,FU Zhen,et al.Adhesion Between Asphalt Modified with Natural Asphalt and AggregateBased on Photoelectric Colorimetric Method[J].Journal of Zhengzhou University (Engineering Science),2015,36(03):77-81.[doi:10.3969/ j. issn.1671 - 6833.2015.03.017]
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基于光电比色法的天然沥青改性沥青与集料粘附性研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
36卷
期数:
2015年03期
页码:
77-81
栏目:
出版日期:
2015-06-30

文章信息/Info

Title:
Adhesion Between Asphalt Modified with Natural Asphalt and AggregateBased on Photoelectric Colorimetric Method
作者:
马峰1富志鹏2傅珍3
1.长安大学公路学院,陕西西安710064;2.中交第一公路勘察设计研究院有限公司,陕西西安710075;3.长安大学材料学院,陕西西安710064
Author(s):
MA Feng1; FU Zhi-peng1; FU Zhen3; CHEN Bin-hua1
1.School of Highway ,Chang’an University，Xian 710064，China;2.CCCC First Highway Consultant Co. , L.d; 3. School ofMaterials Science and Engineering , Chang’an University ，Xian 710064 , China
关键词:
道路工程; 天然沥青; 集料; 光电比色法; 黏附性
Keywords:
road engineering; natural asphalt; aggregate; photoelectric colorimetric method; adhesion
分类号:
U416.217
DOI:
10.3969/ j. issn.1671 - 6833.2015.03.017
文献标志码:
A
摘要:
为了研究天然沥青与集料之间的黏附性,选用2种基质沥青与3种集料,在基质沥青中分别掺入不同剂量的天然沥青,采用光电比色法测试沥青与集料的黏附性,并与水煮法试验结果作对比,建立两种方法对应的黏附率与黏附等级的联系,同时通过浸水马歇尔试验与冻融劈裂试验研究了沥青混合料的水稳定性.试验结果表明,光电比色法可以定量分析沥青与集料的黏附性,并且从黏附性角度能更为精确地确定天然沥青的最佳掺量;在基质沥青中掺入天然沥青能明显增加沥青与集料的黏附性能,但不同的基质沥青与集料在添加天然沥青后对其黏附性的提高程度各异;水煮法试验、浸水马歇尔试验及其冻融劈裂试验的结果验证了光电比色法试验结果的可靠性.
Abstract:
In order to know the adhesion between natural asphalt and aggregate,two types of base asphalts andthree kinds of typical aggregates were selected.The adhesion between asphalt and aggregate were tested usingphotoelectric colorimetric method with dfferent doses of natural asphalt into base asphalt.The test results werecompared with that of boiling method. And the relation between adhesion rate and adhesion level was estab-lished. Meanwhile water stability of asphalt mixture through immersion Marshall test and freeze-thaw splittingtest were studied.Test results indicate that asphalt-aggregate adhesion can be analyzed quantitatively by photo-electric colorimetric method,and the optimal dosage of natural bitumen can be determined more accuratelyfrom the standpoint of adhesion.The adhesion may be improved significantly after base asphalt mixed with nat-ural asphalt.But the improving degree is different with different base asphalt and aggregate.The test results ofboiling method,immersion Marshall test and freeze-thaw splitting test verified the reliability of photoelectriccolorimetric method.

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