APPLICATIONOFMICROSEISMIC

Chapter 1 Introduction
1．1 Microseism and Rock Burst
1．2 Problem Posing
1．3 Research Objective and Approach
1．4 Brief Outline
References

Chapter 2 Theory Of Microseismic Energy Calculation，Wavelet Packet Transform and Wave Energy Attenuation
2．1 Introduction
2．2 Fundamental Theory of Microseismic Energy Calculation
2．3 Fundamental Theory of Wavelet Packet Transform
2．4 Fundamental Theory of Wave Energy Attenuation in Rock
2．5 Summary
References

Chapter 3 Case Study on Denoising Process of Microseismic Wave UsingWavelet Packet Transform
3．1 Introduction
3．2 Site Description of Targeted Coal Mine
3．3 Optimal Basis Function Used for the WPT of Microseismic Wave
3．4 Denoising Process of Microseismic Wave upon the WPT
3．5 Summary
References

Chapter 4 Transient Wave Energy Attenuation Characteristics and Correction on Microseismic Focus Energy
4．1 Introduction
4．2 Energy Attenuation Characteristics of Microseismic Wave
4．3 Microseismic Focus Energy Correction upon Wave Energy Attenuation in Deep Rock
4．4 Reliability Test of Energy Fitting Inversion Method Using Deep-Hole Presplitting Blasting Operation
4．5 Discussion on Impact of Built-in Velocity Threshold on Wave Energy
4．6 Summary
References

Chapter 5 Application of Corrected Focus Energy and Energy Attenuation Coefficient in Assessment and Prediction of Rock Burst in Deep Coal Mining
5．1 Introduction
5．2 Rock Burst Hazard Assessment in Coal Mine upon Corrected Microseismic Focus Energy
5．3 Rock Burst Hazard Prediction in Deep Mining upon Wave Energy Attenuation Characteristics
5．4 Summary
References

Chapter 6 Conclusions

Appendix Energy decrement of 158 microseismic wave groups with theincrease of propagation distance