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

•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...

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Bibliographic Details
Published inInternational 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
LanguageEnglish
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
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Summary:•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 Vosges sandstones.•Ultrasonic calibration compared with hybrid moment tensor technique.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1365-1609
1873-4545
DOI:10.1016/j.ijrmms.2013.11.005