Wavelet Energy Evolution Characteristics of Acoustic Emission Signal under True-Triaxial Loading during the Rockburst Test
Abstract
:1. Introduction
2. Specimen and Methods
2.1. Specimen
2.2. Methods
3. Phenomenon and Results
3.1. Phenomenon
3.2. Results
4. Wavelet Energy Evolution Characteristics
4.1. Wavelet Transform
4.2. Remove Zero Data Processing
4.3. Wavelet Energy Analysis
4.4. Characteristics of the Wavelet Energy Evolution
5. Discussion and Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Number i | Wavelet Sub-Signal | Frequency Range/kHz |
---|---|---|
1 | CA5 | 0~15.625 |
2 | CD5 | 15.625~31.250 |
3 | CD4 | 31.25~62.50 |
4 | CD3 | 62.5~125.0 |
5 | CD2 | 125~250 |
6 | CD1 | 250~500 |
CD1 | CD2 | CD3 | CD4 | CD5 | CA5 | |
---|---|---|---|---|---|---|
E | 0.1983 | 0.2812 | 0.1352 | 0.0830 | 0.0046 | 0.0025 |
K | 0.2813 | 0.3990 | 0.1918 | 0.1177 | 0.0066 | 0.0036 |
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Hu, C.; Mei, F.; Hussain, W. Wavelet Energy Evolution Characteristics of Acoustic Emission Signal under True-Triaxial Loading during the Rockburst Test. Appl. Sci. 2022, 12, 7786. https://doi.org/10.3390/app12157786
Hu C, Mei F, Hussain W. Wavelet Energy Evolution Characteristics of Acoustic Emission Signal under True-Triaxial Loading during the Rockburst Test. Applied Sciences. 2022; 12(15):7786. https://doi.org/10.3390/app12157786
Chicago/Turabian StyleHu, Chuanyu, Fuding Mei, and Wakeel Hussain. 2022. "Wavelet Energy Evolution Characteristics of Acoustic Emission Signal under True-Triaxial Loading during the Rockburst Test" Applied Sciences 12, no. 15: 7786. https://doi.org/10.3390/app12157786