Mapping an underground rock mass by anisotropic acoustical transmission tomography |
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| Authors: | Lin-ping Song Hao-wu Liu Sha Chun Zheng-zong Song Shu-yi Zhang |
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| Institution: | aInstitute of Acoustics and Laboratory of Modern Acoustics, Nanjing University, Nanjing 210093, China;bDepartment of Hydraulic Engineering, Sichuan Union University, Sichuan 610065, China;cCenter For Engineering Geophysics, Chengdu Institute of Hydroelectric Research and Design, Chengdu 610072, China |
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| Abstract: | This paper briefly describes an acoustical transmission traveltime tomography method to simultaneously account for the anisotropy and heterogeneity of media. This method is applied to real data gathered at the rock wall of an underground plant in southwest China. The anisotropic tomograms reveal the rock wall features, which coincide well with the site observations, and provide very useful information for the evaluation and reinforcement of the rock wall. |
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| Keywords: | Acoustical transmission tomography Rock mass Anisotropy |
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