An improved method for seismic moment tensor inversion of acoustic emissions through assessment of sensor coupling and sensitivity to incidence angle

• Published in: International journal of rock mechanics and mining sciences (Oxford, England : 1997) Vol. 65; pp. 153 - 161
• Main Authors: Kwiatek, Grzegorz, Charalampidou, Elli-Maria, Dresen, Georg, Stanchits, Sergei
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.01.2014; Elsevier
• Subjects: Applied sciences; Buildings. Public works; Exact sciences and technology; Geotechnics; Measurements. Technique of testing; Soil investigations. Testing; Experimental data; Tensor; Seismic source; Measurement sensor; Moment method; Measurement result; Inversion; Calibration; Sensitivity; Acoustic emission; Test method; Rocks; Coupling; Comparative study; Angle of incidence

•We propose ultrasonic calibration technique of acoustic emission sensors.•Procedure useful when specimen and acoustic emission sensors are inside loading cell.•Acoustic emission waveforms corrected for coupling quality and incidence angle.•Full moment tensor inversion performed for Bentheim and Vos...