●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
內容簡介
衝擊地壓是具破壞性的礦井地質災害之一。目前技術根本無法從五維角度真正實現衝擊地壓預測。其中應用較廣的技術是通過獲取微震事件的時間、地點、震級等參數來辨識高衝擊危險性區域。然而，準確確定微震事件釋放的能量量值並不容易，許多方法都不能足夠準確地指示震源能量。因此，對微震源能的修正研究是十分必要的。《微震能量在煤礦衝擊地壓災害評價中的應用（英文版）》研究提出了一種利用波能耗散衰減特性獲得更準確微震能量的方法，並開發了一種評價和預測衝擊地壓危險的技術。
