Thermal Stressing of Volcanic Rock: Microcracking and Crack Closure Monitored Through Acoustic Emission, Ultrasonic Velocity, and Thermal Expansion

Microcracking due to thermal stresses affects the mechanical and flow properties of rocks, which is significant for thermally dynamic environments such as volcanoes and geothermal reservoirs. Compared with other crustal rocks like granite, volcanic rocks have a complex and variable response to tempe...

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Veröffentlicht in:	Journal of geophysical research. Solid earth 2024-03, Vol.129 (3), p.n/a
Hauptverfasser:	Griffiths, L., Heap, M. J., Lengliné, O., Baud, P., Schmittbuhl, J., Gilg, H. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission acoustic emissions Acoustic waves Acoustics Andesite Basalt Cooling Crack closure Crack initiation Density Earth Sciences Emission measurements Fracture mechanics Geophysics Granite Heating Literature reviews Microcracks Microstructure Monitoring Porosity Properties Reservoirs Rock properties Rocks Sciences of the Universe Seismicity Stress relaxation Thermal expansion thermal microcracking Thermal stress Velocity Volcanic activity Volcanic rocks Volcanoes Volcanology Wave velocity
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