Results 81 to 90 of about 70,235 (286)

An aseismic slip pulse in northern Chile and along-strike variations in seismogenic behavior [PDF]

, 2006
We use interferometric synthetic aperture radar, GPS, and seismic observations spanning 5 to 18 years to reveal a detailed kinematic picture of the spatiotemporal evolution of fault slip in a region corresponding to the 30 July 1995 M_w 8.1 subduction ...
Pritchard, M. E., Simons, M.
core   +1 more source

Effect of confining pressure on fracture characteristics and mineralogical behavior of tight sandstone specimens after hydraulic fracturing

Deep Underground Science and Engineering, EarlyView.
Hydraulic fracturing in tight sandstone and fracture propagation characteristics using backscattered electron‐scanning electron microscope (BSE‐SEM) images. Abstract This study focuses on hydraulic fracturing experiments conducted under triaxial conditions on tight sandstone specimens from Shivpuri district, Madhya Pradesh, India.
Pankaj Rawat, Narendra Kumar Samadhiya
wiley   +1 more source

Optimization of cut‐hole layout under high in situ stress based on numerical simulation and field tests

Deep Underground Science and Engineering, EarlyView.
This study investigates the blast‐induced rock damage patterns under different cut‐hole layouts and ground stress conditions through numerical simulations and field tests. The findings in this study provide valuable insights for similar underground engineering applications.
Junjie Zhao, Diyuan Li, P. G. Ranjith, Xinxin Lü, Yanliang Li, Xiaoli Su   +5 more
wiley   +1 more source

Slow Stick‐Slip Failure in Halite Gouge Caused by Brittle‐Plastic Fault Heterogeneity

Geochemistry, Geophysics, Geosystems, 2020
Slow earthquakes, including low‐frequency earthquakes and tremor, occur in the brittle‐ductile (plastic) transition zone on plate boundary faults. To understand how transitions in deformation mechanisms can influence seismic behavior, we conducted stick ...
Ken‐ichi Hirauchi, Yoshiaki Yoshida, Yasuo Yabe, Jun Muto   +3 more
doaj   +1 more source

Universal local versus unified global scaling laws in the statistics of seismicity

, 2004
The unified scaling law for earthquakes, proposed by Bak, Christensen, Danon and Scanlon, is shown to hold worldwide, as well as for areas as diverse as Japan, New Zealand, Spain or New Madrid.
Bak, Bak, Bak, Bak, Bak, Christensen, Corral, Corral, Hallam, Hergarten, Ito, Ito, Jensen, Kagan, Kagan, Okubo, Olami, Paczuski, Pérez, Sornette, Sornette, Turcotte, Turcotte, Utsu, Álvaro Corral   +24 more
core   +1 more source

Earthquake statistics inferred from plastic events in soft-glassy materials [PDF]

, 2016
We propose a new approach for generating synthetic earthquake catalogues based on the physics of soft glasses. The continuum approach produces yield-stress materials based on Lattice-Boltzmann simulations.
Benzi, Roberto, Toschi, Federico, Trampert, Jeannot   +2 more
core   +3 more sources

Creutzfeldt‐Jakob‐Like Presentation in Anti‐AMPAR Encephalitis

Annals of Neurology, EarlyView.
Kate Durbano, Marie Belley, Delphine Leclercq, Louis Cousyn   +3 more
wiley   +1 more source

Failure characteristics and the energy criterion of rock with a through‐going joint under true‐triaxial unloading conditions: Insights from the DEM model

Deep Underground Science and Engineering, EarlyView.
The rock failure mode is significantly influenced by the contributing factors, such as the joint inclination, the initial confining pressure, and the unloading point. We found six typical rock failure modes after a large number of numerical tests. Abstract Excavation unloading damages rock masses, with preferential failure along geological defects in ...
Fei Liu, Changhui Liang, Sijia Liu, Yongjun Zhang, Luo Wang   +4 more
wiley   +1 more source

Slow crack propagation through a disordered medium: Critical transition and dissipation

, 2012
We show that the intermittent and self-similar fluctuations displayed by a slow crack during the propagation in a heterogeneous medium can be quantitatively described by an extension of a classical statistical model for fracture.
Colaiori, F., Petri, A., Pontuale, G.
core   +1 more source

Nonsilting transport characteristics of coal slurry in a deep underground fluidization conveying pipeline under the action of a guide vane swirler

Deep Underground Science and Engineering, EarlyView.
Aiming at the scientific frontiers of in situ fluidized mining of deep resources, a deep coal fluidized pipeline lifting system based on hydraulic conveying has been proposed. To solve the issue of particle sedimentation of large particles in horizontal connection sections, a solution involving the installation of guide vane‐type swirlers in the ...
Jiusheng Bao, Shaodi Zhao, Yan Yin, Zhongbin Wang, Shuai Liu, Shirong Ge   +5 more
wiley   +1 more source