Results 71 to 80 of about 44,595 (307)

Frequency-magnitude distribution and spatial fractal dimension of seismicity at the geysers geothermal area and long valley caldera, California [PDF]

open access: yes, 1998
Although there is no obvious reason why seismic 6-value and the spatial fractal dimension of earthquakes, D, should be related, there are several reports of observed empirical correlations between these two quantities.
Barton, David J.
core  

Permeability characteristics of fractured rock mass: a case study of the Dongjiahe coal mine

open access: yesGeomatics, Natural Hazards & Risk, 2020
The intricate distribution of fractures in rock mass leads to the anisotropy of permeability characteristics of the rock mass, which affects the overall stability of rock mass.
Ke Ma   +5 more
doaj   +1 more source

An optimizing microseismic method for rock burst early warning based on mining production process

open access: yesDeep Underground Science and Engineering, EarlyView.
A classification early warning method of rock burst based on hourly microseismic data is proposed, which can be combined with the on‐site production process to provide more timely warning. Abstract Microseismic (MS) events have been reported in nearly every coal mining country, which could well lead to rock burst in underground coal mines.
Zepeng Han   +6 more
wiley   +1 more source

Reservoir Stimulation's Effect on Depletion‐Induced Seismicity

open access: yes, 2018
Depletion-induced seismicity can pose a problem in some fluid-producing subsurface reservoirs, in some cases requiring production rate control in order to limit the seismicity.
Laloui, Lyesse   +5 more
core   +2 more sources

Seismic Networks

open access: yes, 2000
New Manual of Seismological Observatory Practice 2 (NMSOP2)
Trnkoczy, A.   +3 more
openaire   +4 more sources

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu   +8 more
wiley   +1 more source

Static behaviour of induced seismicity [PDF]

open access: yes, 2016
The standard paradigm to describe seismicity induced by fluid injection is to apply non-linear diffusion dynamics in a poroelastic medium. I show that the spatio-temporal behaviour and rate evolution of induced seismicity can, instead, be expressed by ...
A. Mignan, Mignan, Arnaud
core   +2 more sources

Seismic analysis and design of tunnels within fault ground: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang   +6 more
wiley   +1 more source

Characterization of Spatial Variability in Rock Mass Mechanical Parameters for Slope Stability Assessment: A Comprehensive Case Study

open access: yesApplied Sciences
The spatial variability in rock mass mechanical parameters critically affects slope stability assessments. This study investigated the southern slope of the Bayan Obo open-pit mine.
Xin Dong   +7 more
doaj   +1 more source

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