Journal ArticleDOI
The role of acoustic emission in the study of rock fracture
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TLDR
A review of the successes and limitations of acoustic emission (AE) studies as applied to the fracture process in rock with emphasis on our ability to predict rock failure is presented in this paper.About:
This article is published in International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts.The article was published on 1993-12-01. It has received 867 citations till now. The article focuses on the topics: Acoustic emission & Fracture (geology).read more
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A bonded-particle model for rock
D.O. Potyondy,Peter Cundall +1 more
TL;DR: In this paper, a numerical model for rock is proposed in which the rock is represented by a dense packing of non-uniform-sized circular or spherical particles that are bonded together at their contact points and whose mechanical behavior is simulated by the distinct element method using the two-and three-dimensional discontinuum programs PFC2D and PFC3D.
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The transition from brittle faulting to cataclastic flow in porous sandstones: Mechanical deformation
TL;DR: In this article, the authors investigated the inelastic and failure behavior of six sandstones with porosities ranging from 15% to 35% and used a broad range of effective pressures to investigate the transition in failure mode from brittle faulting to cataclastic flow.
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Statistical models of fracture
TL;DR: An overview of the results obtained with lattice models of the fracture, highlighting the relations with statistical physics theories and more conventional fracture mechanics approaches is presented.
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Time-dependent cracking and brittle creep in crustal rocks: A review
TL;DR: A review of the available experimental evidence for brittle creep in crustal rocks, and various models developed to explain the observations can be found in this paper, where three main classes of brittle creep model have been proposed to explain these observations: phenomenological, statistical, and micromechanical.
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Brittle‐ductile transition and associated seismicity: Experimental and numerical studies and relationship with the b value
TL;DR: In this article, the authors analyzed the acoustic emission and the mechanical behavior of granite samples during triaxial compression tests and found that the size of AE events displays power law distributions, conforming to the Gutenberg-Richter law observed for earthquakes.
References
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Book
Fracture of Brittle Solids
TL;DR: In this article, the authors present a unified continuum, microstructural and atomistic treatment of modern day fracture mechanics from a materials perspective, focusing on the basic elements of bonding and microstructure that govern the intrinsic toughness of ceramics.
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The frequency-magnitude relation of microfracturing in rock and its relation to earthquakes
TL;DR: In this paper, the frequency-magnitude relation of microfracture deformation was studied and the dependence of the parameter b on rock type, stress, and confining pressure was found to depend primarily on stress.
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A constitutive law for rate of earthquake production and its application to earthquake clustering
TL;DR: In this article, the authors proposed a state-variable constitutive formulation for the rate of earthquake production resulting from an applied stressing history, which was implemented using solutions for nucleation of unstable fault slip on faults with experimentally derived rate and state dependent fault properties.
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Quasi-static fault growth and shear fracture energy in granite
TL;DR: In this article, the failure process in a brittle granite sample can be stabilized by controlling axial stress to maintain a constant rate of acoustic emission, and the post-failure stress curve can be followed quasi-statically, extending to hours the fault growth process.
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Generalized dimensions of strange attractors
TL;DR: In this article, it was shown that there is an infinity of generalized dimensions for strange attractors, related to the order-q Renyi entropies, and that these dimensions are monotonically decreasing with q.