Electromagnetic Radiation from Rock During Uniaxial Compression Testing: the Effects of Rock Characteristics and Test Conditions

1. Introduction

2. Test Apparatus and Rock Samples

3. EMR from Rock Specimens

4. Influence of Test Conditions

  4.1 Loading Rate (Strain Rate)

  4.2 Linear Combination Control of Stress and Strain

  4.3 Specimen End Faces

5. Discussion

  5.1 Classification of rocks type according to EMR characteristics during failure

  5.2 Summary of Effect of Test Conditions on EMR Emission

6. Conclusion


Key Words: Rock, Uniaxial Compression Testing, Electromagnetic Wave, Crack, Post-Failure Region