Study on Microtexture Structure of Asphalt Pavement Coarse Aggregate

doi:10.3969/j.issn.1674－0696.2012.03.10

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (3): 394-397.DOI: 10.3969/j.issn.1674－0696.2012.03.10

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Study on Microtexture Structure of Asphalt Pavement Coarse Aggregate

Liu Tao¹,Li Zhi¹,Sun Yang-yong²,Zhong Ru-biao³

1. School of Civil ＆ Traffic,South China University of Technology,Guangzhou 510641,Guangdong,China; 2. Traffic Engineering Quality Supervision ＆ Detection Station of Guangdong Province,Guangzhou 510641,Guangdong,China; 3. Dongguan Traffic Engineering Co. ,Ltd. ,Dongguan 523000,Guangdong,China

Received:2011-10-17 Revised:2011-11-17 Online:2012-06-15 Published:2015-03-12

沥青路面粗集料微观纹理评价方法研究

刘涛¹，李智¹，孙杨勇²，钟汝标³

1.华南理工大学土木与交通学院，广东广州510641;2.广东省交通工程质量监督站，广东广州510641; 3.东莞市交通工程有限公司，广东东莞523000

作者简介:刘涛(1987—)，男，河南周口人，硕士研究生，主要从事道路建筑材料方面的研究。E-mail:315778102@qq.com。
基金资助:
广东省交通厅重点工程项目(2009－01－003);华南理工大学中央高校基本科研业务费资助项目(2009ZM0099)

Abstract

Abstract: The five different stone materials were chose to measure their microscopic texture curve with self-developed laser texture meter．By the fractal dimension of the box theory counting method，MATLAB programming was used to calculate different coarse aggregate fractal dimension quickly． The results show that the evaluation method can accurately evaluate the micro-texture of coarse aggregate，and provide more extensive selection of tools and scientific basis for selecting the sliding surface layer．

Key words: asphalt pavement, coarse aggregate, micro-texture curve, fractal dimension

摘要： 选取5种不同材质石料，借助自主开发的激光纹理仪，测量集料微观纹理曲线;运用分形分维理论中的盒子计数法，通过MATLAB编程实现对不同粗集料分维数的快速计算。研究表明:该评价方法可以准确的评价粗集料的微观纹理，进而为抗滑层路面选材提供更为丰富的手段和科学依据。

关键词: 沥青路面, 粗集料, 微观纹理曲线, 分形分维

CLC Number:

U416.217

Liu Tao,Li Zhi,Sun Yang-yong,Zhong Ru-biao. Study on Microtexture Structure of Asphalt Pavement Coarse Aggregate[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(3): 394-397.

刘涛，李智，孙杨勇，钟汝标. 沥青路面粗集料微观纹理评价方法研究[J]. 重庆交通大学学报（自然科学版）, 2012, 31(3): 394-397.

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Study on Microtexture Structure of Asphalt Pavement Coarse Aggregate

沥青路面粗集料微观纹理评价方法研究

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