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《Gold》 2010-07
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Research on the crack 3D reconstruction of rock CT fault series images and rock damage characters

Zhang Fei1,Zhou Haidong1,Jiang Junzhou2(1.School of Mining Engineering,Inner Mongolia University of Science and Technology; 2.Architecture Energy Efficiency Survey Center,Inner Mongolia Autonomous Region)  
With rock CT image as research object,an analytical method for CT image is proposed.The CT images are strengthened with digital image strengthening technology.The contrast ratio is adjusted based on digital image.And the interstices and cracks in rock are abstracted by digital image segmentation technology.On the basis,the three-dimension continual CT fault image is reconstructed by Marching Cube algorithm.And then the distribution of cracks in different stages of rock loading tests can be visualized.The method can not only directly inspect the development of rock damage,but also truly describe the spacial distribution of rock inner medium.The damage volume is defined as the damage factor of damage variable.And the relationship curve between damage variable and deviator stress is achived.The damage development characters of rock under damage deviator stress can be reasonablly reflected.
【CateGory Index】: TP391.41
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