Research Article
Attenuation Characteristics of Stress Wave Peak in Sandstone Subjected to Different Axial Stresses
Table 2
Temporal-spatial response intensities and attenuation coefficients.
| Axial stress (MPa) | Temporal response intensity (mV) | Spatial response intensity (mV) | Temporal attenuation coefficient (μs−1) | Spatial attenuation coefficient (m−1) |
| 0.00 | 0.2352 | 0.2081 | 0.0019 | 0.7273 | 2.76 | 0.2056 | 0.1741 | 0.0018 | 0.6733 | 5.52 | 0.1588 | 0.1374 | 0.0015 | 0.5159 | 8.28 | 0.1166 | 0.1042 | 0.0012 | 0.3883 | 11.04 | 0.0932 | 0.0854 | 0.0009 | 0.3012 | 13.80 | 0.0850 | 0.0751 | 0.0008 | 0.2613 | 16.56 | 0.0746 | 0.0680 | 0.0009 | 0.2771 | 19.32 | 0.0706 | 0.0652 | 0.0008 | 0.2486 | 22.08 | 0.0703 | 0.0646 | 0.0009 | 0.2618 | 24.84 | 0.0697 | 0.0632 | 0.0010 | 0.2952 | 27.60 | 0.0664 | 0.0623 | 0.0009 | 0.2822 | 30.36 | 0.0694 | 0.0619 | 0.0011 | 0.3226 | 33.12 | 0.0669 | 0.0611 | 0.0012 | 0.3408 |
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