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1-7 of 7
Keywords: acoustic emission
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Proceedings Papers
Permeability Change of Granite Fracture due to the Pressurized Water Injection Under High Stress Condition in Laboratory
Available to Purchase
Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-011
..., normal/shear stresses on fracture, and shear displacement. In addition, to classify the failure mode (tensile or shear), we acquire the full waveforms of acoustic emissions and evaluate RA values and average frequency, which are proposed by Ohno and Ohtsu (2010), for the respective waveforms. As a result...
Proceedings Papers
Application of Acoustic Emission, Anisotropy of Acoustic Velocity and Paleomagnetic Technology To Determine In-Situ Stress in Tight Sands
Available to Purchase
Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-008
... and more sophisticated by incorporating methods known from disciplines like seismology, acoustic emission and non-destructive testing. However, most of lab in-situ stress experiments such as differential strain analysis, and acoustic emission et al., only can only judge in-situ stress magnitude...
Proceedings Papers
Application of Acoustic Emission Monitoring during Underground Coal Gasification
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Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-094
...Application of Acoustic Emission Monitoring during Underground Coal Gasification A. Hamanaka a* , K. Itakura b , F. Q. Su b, c , G. Deguchi d , and J. Kodama e a Kyushu University, Fukuoka, Japan b Muroran Institute of Technology, Muroran, Japan c Henan Polytechnic University, Henan, China d...
Proceedings Papers
Based on the AE Characteristics to Study the Failing Process of Deep Granite Under Cyclic Loading
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-013
.... For the rock under cyclic loading, its inner cracks are extended by stages, and the failing process is affected by cracks spatial distributions, mechanics behaviors and loading situations, which make the study more complex. In this paper, the triaxial compression test and Acoustic Emission (AE) monitoring test...
Proceedings Papers
Experimental Research on Damage Characterization of Porous Rock-Like Composite Material Under External Loadings
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-015
... ABSTRACT: In order to improve accuracy of Physical Simulation Experiment (PSE), an approach with hybrid mechanical experiment on evaluation of mechanical response and Acoustic Emission (AE) signal characteristics of model materials employed in the PSE is one of the most significant techniques...
Proceedings Papers
Study on Experiment of Breaking Law of Overlying Strata and Disaster Characteristics in Large Mining Height Stope
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-140
.... In this paper, the law of breaking about overlying strata and disaster characteristics of before and after main roof breaking by acoustic emission, which could be studied during the large mining height stope mining through imitation test with similar materials. The results showed that strata pressure behavior...
Proceedings Papers
Study on the Failure Omen of Cemented Filling Body-Features of the Response Ratio
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-032
... ratio characteristics of cemented filling body with different cement-sand ratio have been studied by acoustic emission under uniaxial compression test. The results showed that the damage threshold of cemented filling body of cement-sand ratio 1:4 is 33%~41% of uniaxial compressive strength...
