Experimental investigation of acoustic emissions and their moment tensors in rock during failure
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F14%3A00430243" target="_blank" >RIV/67985530:_____/14:00430243 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.ijrmms.2014.05.003" target="_blank" >http://dx.doi.org/10.1016/j.ijrmms.2014.05.003</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ijrmms.2014.05.003" target="_blank" >10.1016/j.ijrmms.2014.05.003</a>
Alternative languages
Result language
angličtina
Original language name
Experimental investigation of acoustic emissions and their moment tensors in rock during failure
Original language description
We study acoustic emissions (AEs) associated with shear and tensile failures around a horizontal borehole in a sandstone sample subjected to triaxial stress. The aim is to relate the AE event rate to macroscopic observations of sample deformation and thepercentage of isotropic and deviatoric components of the seismic moment tensors to the expected failure mechanisms. The horizontal hole interferes with the applied load and forms a strongly spatially dependent anisotropic stress fi eld, focusing the crack initiation into both shear and tensile failures. The recorded AEs follows reasonably well existing damage models, but the elastic solution of hoop stress does not represent the onset of failure around the borehole. The focal mechanisms correlate withthe orientation of macroscopic fractures in the sample. Events close to the borehole show a higher fraction of isotropic percentage in moment tensors compared to events occurring in the macroscopic fracture featuring higher double-couple
Czech name
—
Czech description
—
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DC - Seismology, volcanology and Earth structure
OECD FORD branch
—
Result continuities
Project
<a href="/en/project/GAP210%2F12%2F1491" target="_blank" >GAP210/12/1491: Physical processes in an earthquake source: from micro- to macro-scale</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
International Journal of Rock Mechanics and Mining Sciences
ISSN
1365-1609
e-ISSN
—
Volume of the periodical
70
Issue of the periodical within the volume
September
Country of publishing house
GB - UNITED KINGDOM
Number of pages
10
Pages from-to
286-295
UT code for WoS article
000341365900029
EID of the result in the Scopus database
—