ISSN 1004-4140
CN 11-3017/P
Volume 19 Issue 4
Dec.  2010
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MAO Ling-tao, BI Yu-jie, ZUO Jian-min, HAO Li-na, WANG Huan. Study on Building Geomaterial Numerical Model Method Based on CT Image[J]. CT Theory and Applications, 2010, 19(4): 27-34.
Citation: MAO Ling-tao, BI Yu-jie, ZUO Jian-min, HAO Li-na, WANG Huan. Study on Building Geomaterial Numerical Model Method Based on CT Image[J]. CT Theory and Applications, 2010, 19(4): 27-34.
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Study on Building Geomaterial Numerical Model Method Based on CT Image

  • 1. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & Technology, Beijing 100083, China;

  • 2. School of Mechanics & Civil Engineering, China University of Mining & Technology, Beijing 100083, China

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  • Received Date: July 29, 2010
  • Available Online: December 12, 2022
    Graphical Abstract
    • Abstract
  • Building numerical model based on actual mesostructure is a hot research field of rock-soil mechanics.According to the different inter structure,equivalence graph and edge vectorization methods are introduced.Taking the pore geomaterial made by ourselves and concrete CT images as examples,the steps of building model are shown.Analyses prove that it is easy to segment character areas when the image histogram has two or more peaks.When the image histogram has only one peak,top-hat mathematical morphology method can be used to enhance image,which make the segment easier.Equicalence circle or ellipse are placed for pore strucure in numerical model,while edge vectorization is applied to characterize the complicated structure.The results provide a method to build numerical model based on actual mesostructure.
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