STRESS WAVE VELOCITY AND CRACK SYSTEM OF A MEDIUM * |
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Authors: | V SCHENK Z SCHENKOV |
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Institution: | V. SCHENK,Z. SCHENKOVÁ |
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Abstract: | Two in situ measurements of stress wave velocity in a granodiorite massif were made. Firstly, the velocities close to the source were investigated (for elimination of the influence of cracks), and secondly, the velocities in different horizontal directions over a large area were studied from the viewpoint of their dependence on the crack system of the medium. A correlation between the mutual orientation of the cracks and the maximum or minimum values of the stress wave velocities was obtained. |
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