Laboratory acoustic emission study for earthquake generation process

X Lei, S Ma - Earthquake Science, 2014 - Springer
Since the similarity in size distribution of earthquakes and acoustic emissions (AE) was
found in the 1960s, many laboratory studies have been motivated by the need to provide …

[HTML][HTML] Advances in development of shear-flow testing apparatuses and methods for rock fractures: A review

Y Jiang, B Li, C Wang, Z Song, B Yan - Rock Mechanics Bulletin, 2022 - Elsevier
Understanding the mechanical and hydraulic properties of fractured rocks and their coupled
processes is of great significance for the exploration, design, construction, operation, and …

On the stress dependence of the earthquake b value

CH Scholz - Geophysical Research Letters, 2015 - Wiley Online Library
Laboratory experiments have shown that the b value in the size distribution of acoustic
emission events decreases linearly with differential stress. There have been a number of …

Using a physics-informed neural network and fault zone acoustic monitoring to predict lab earthquakes

P Borate, J Rivière, C Marone, A Mali, D Kifer… - Nature …, 2023 - nature.com
Predicting failure in solids has broad applications including earthquake prediction which
remains an unattainable goal. However, recent machine learning work shows that laboratory …

Injection‐induced shear slip and permeability enhancement in granite fractures

Z Ye, A Ghassemi - Journal of Geophysical Research: Solid …, 2018 - Wiley Online Library
Shear stimulation, so‐called hydroshearing, is believed to reactivate critical or near‐critical
preexisting fractures by pressurized fluid injection, causing them to slip and dilate for …

What controls the mechanical properties of shale rocks?–Part I: Strength and Young's modulus

E Rybacki, A Reinicke, T Meier, M Makasi… - Journal of Petroleum …, 2015 - Elsevier
We performed mechanical tests on several, mainly European black shales with different
mineralogical composition, porosity and maturity. The uniaxial and triaxial compressive …

The seismo-hydromechanical behavior during deep geothermal reservoir stimulations: open questions tackled in a decameter-scale in situ stimulation experiment

F Amann, V Gischig, K Evans, J Doetsch, R Jalali… - Solid Earth, 2018 - se.copernicus.org
In this contribution, we present a review of scientific research results that address seismo-
hydromechanically coupled processes relevant for the development of a sustainable heat …

A laboratory perspective on accelerating preparatory processes before earthquakes and implications for foreshock detectability

THW Goebel, V Schuster, G Kwiatek, K Pandey… - Nature …, 2024 - nature.com
Dynamic failure in the laboratory is commonly preceded by many foreshocks which
accompany premonitory aseismic slip. Aseismic slip is also thought to govern earthquake …

Acoustic emissions document stress changes over many seismic cycles in stick‐slip experiments

TH W. Goebel, D Schorlemmer… - Geophysical …, 2013 - Wiley Online Library
The statistics of large earthquakes commonly involve large uncertainties due to the lack of
long‐term, robust earthquake recordings. Small‐scale seismic events are abundant and can …

Numerical simulation of acoustic emission in brittle rocks by two-dimensional finite-discrete element analysis

A Lisjak, Q Liu, Q Zhao, OK Mahabadi… - Geophysical Journal …, 2013 - academic.oup.com
Stress waves, known as acoustic emissions (AEs), are released by localized inelastic
deformation events during the progressive failure of brittle rocks. Although several numerical …