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ZHOU Chun-xiu, CHEN Guo-ming, TAN Yi-qiu. Roughness measurement of aggregate surface texture[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 50-55. doi: 10.19818/j.cnki.1671-1637.2009.01.011
Citation: ZHOU Chun-xiu, CHEN Guo-ming, TAN Yi-qiu. Roughness measurement of aggregate surface texture[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 50-55. doi: 10.19818/j.cnki.1671-1637.2009.01.011
shu

Roughness measurement of aggregate surface texture

doi: 10.19818/j.cnki.1671-1637.2009.01.011
  • 1.

    School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, China

  • 2.

    School of Transportation Engineering, Civil Aviation University of China, Tianjin 300300, China

More Information
  • Author Bio:

    ZHOU Chun-xiu(1977-), female, associate professor, PhD, +86-451-86282120, zcxhit@163.com

  • Received Date: 2008-07-13
  • Publish Date: 2009-02-25
    Abstract
  • In order to effectively evaluate the remarkably influence of the roughness of aggregate surface texture on the pavement performance of asphalt mixture, nine different aggregate surface textures were measured directly by using laser profilometer, then the textures were divided into micro-textures and macro-textures by using profile filter method. Geometry statistical method was adopted to evaluate the roughnesses of the textures quantitatively. The evaluation indexes were arithmetic mean deviation, arithmetic mean wavelength and outline skewness. Evaluation result indicates that arithmetic mean deviation is the most conformable index to describe the roughness of aggregate surface texture. Moreover, with the increase of arithmetic mean deviation, the roughness of aggregate surface texture change larger. Aggregate surface textures are divided into macro-textures and micro-textures according to 2 mm wavelength limit. The roughnesses of aggregate surface textures can be classified into four different grades according to arithmetic mean deviation.

     

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    • References(13)
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