Specific Surface of Drainage Asphalt Mixtures Based on Fractal Theory

doi:10.3969/j.issn.1674-0696.2013.01.10

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (1): 41-45.DOI: 10.3969/j.issn.1674-0696.2013.01.10

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Specific Surface of Drainage Asphalt Mixtures Based on Fractal Theory

Lin Nan¹,Guo Feng²,Chen Huaxing³

1.Xi’an Railway Vocational ＆ Technical Institute,Xi’an 710600,Shaanxi,China; 2.Engineering Research Center of Highway Maintenance Technology Co.,Ltd.,Xi’an 710119,Shaanxi,China; 3.Material College,Chang’an University,Xi’an 710064,Shaanxi,China

Received:2012-03-13 Revised:2012-08-19 Online:2013-02-15 Published:2015-03-12

排水沥青混合料比表面积的分形研究

林楠¹，郭锋²，陈华鑫³

1.西安铁路职业技术学院，陕西西安710600;2.西安公路养护技术工程研究中心，陕西西安710119; 3.长安大学材料学院，陕西西安710064，郭锋，陈华鑫

作者简介:林楠(1985—)，女，福建福州人，硕士研究生，主要从事道路材料及结构、改性沥青等方面研究。E-mail:lnhappy@qq.com。

Abstract

Abstract: The solutions of these characteristic properties by analyzing the distribution of different particle sizes，gradation， total volume，void rate，and specific surface area were provided，and then the relationship of volume fractal dimension ( DV ) and surface area fractal dimension ( DS ) was put forward. According to the tendency of grading curve，specific surface area could be calculated by different grading sections separately. The result presents that the value of surface area is affected by different section dividing manners greatly; this shows the recommend to calculate specific surface area with different grading sections step by step.

Key words: fractal theory, specific surface, grading curve

摘要： 对集料的粒径分布、级配、集料总体积、空隙率、表面积等做出相关分析,给定了集料各特征值的具体求法,建立体积分维DV 和表面积分维DS 之间的关系,并根据级配曲线的走向,按不同分段方式进行比表面积计算对比。结果表明: 不同的分段方式对于排水沥青混合料的比表面积确定有很大的影响,在进行比表面积计算时,应按各筛级进行逐级分段计算。

关键词: 分形, 集料比表面积, 级配曲线

CLC Number:

U414

Lin Nan,Guo Feng,Chen Huaxing. Specific Surface of Drainage Asphalt Mixtures Based on Fractal Theory[J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(1): 41-45.

林楠，郭锋，陈华鑫. 排水沥青混合料比表面积的分形研究[J]. 重庆交通大学学报（自然科学版）, 2013, 32(1): 41-45.

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Specific Surface of Drainage Asphalt Mixtures Based on Fractal Theory

排水沥青混合料比表面积的分形研究

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