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Changes of Coulomb Failure Stress during Stimulation

Proceedings, 2011
For the prediction of future reservoir performance, knowledge of the spatio-temporal evolution of the geothermal reservoir in response to stimulation and production is a key issue. During the project for developing an Enhanced Geothermal System at Soultz-
Martin Schoenball, Carmen Kohl
semanticscholar   +3 more sources

Coulomb criterion - bounding crustal stress limit and intact rock failure: Perspectives

Powder Technology, 2020
Abstract In this perspective article, we illustrate the importance and versatility of the Coulomb criterion that serves as a bridge between the fields of powder technology and the rock mechanics/geomechanics. We first describe the essence of the Coulomb criterion and its physical meaning, revealing surprising similarities regarding its applications ...
Xiaodong Ma, Martin O. Saar, Liang‐Shih Fan   +2 more
semanticscholar   +4 more sources

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Mohr-Coulomb Failure Criterion Expressed in Terms of Stress Invariants

Journal of Applied Mechanics, Transactions ASME, 1998
A polynomial expression for the Mohr-Coulomb criterion for failure of brittle or frictional materials in terms of stress invariants is derived. The form of the polynomial expression corresponds to the pyramidal shape of the failure surface in principal stress space. The pressure-sensitive character of the failure of a Mohr-Coulomb material is indicated
G S Schajer, Schajer G S
exaly   +3 more sources

Changes in Frequency of Moderate-Size Earthquakes and Coulomb Failure Stress before and after the Landers, California, Earthquake of 1992

Bulletin of the Seismological Society of America, 2001
Changes in the frequency of moderate-size events before and after the 28 June 1992 Landers earthquake are investigated, and their implications are discussed in the context of Coulomb failure stress (CFS) evolution since 1812 in southern California. We systematically considered circular regions and equal-area annuli centered on the epicenter of the ...
Wenkang Du
semanticscholar   +3 more sources

Reservoir Brittleness Prediction Method Based on the Mohr–Coulomb Failure Criterion and Effective In Situ Stress Principle

Rock Mechanics and Rock Engineering, 2022
Tianji Xu
exaly   +3 more sources

Tidal stress modeling of Ganymede: Strike-slip tectonism and Coulomb failure

Icarus, 2019
Abstract High-resolution Galileo data of Ganymede's complex surface provide strong and ubiquitous evidence of strike-slip motion: en echelon structures, strike-slip duplexes, laterally offset pre-existing features, and strained craters. In a previous study, we performed a detailed mapping of these strike-slip morphologies within nine regions of ...
Marissa E. Cameron, Bridget R. Smith-Konter, Geoffrey C. Collins, Donald A. Patthoff, Robert T. Pappalardo   +4 more
openaire   +2 more sources

Comparing the generalized Hoek-Brown and Mohr-Coulomb failure criteria for stress analysis on the rocks failure plane

Geomechanics and Engineering, 2015
Determination of mobilized shear strength parameters (that identify stresses on the failure plane) is required for analyzing the stability by limit equilibrium method. Generalized Hoek-Brown (GHB) and Mohr-Coulomb (MC) failure criteria are usually used for obtaining stresses on the plane of failure.
H Tavakoli
exaly   +2 more sources

Dynamic Stresses, Coulomb Failure, and Remote Triggering--Corrected

Bulletin of the Seismological Society of America, 2012
Abstract Dynamic stresses associated with crustal surface waves with 15–30 s periods and peak ...
David P. Hill
openalex   +2 more sources

Erratum to Dynamic Stresses, Coulomb Failure, and Remote Triggering

Bulletin of the Seismological Society of America, 2009
Figure 13h on page 84 in Hill (2008) illustrating the triggering potential of Rayleigh waves with strike-normal incidence on reverse faults at a depth of 10 km is incorrect. The corrected version of Figure 13 is reproduced here. The correction involves exchanging the stress orbits on the left-hand side of the Mohr’s circle in Figure 13h with those on ...
David P. Hill
openalex   +2 more sources

Joint elements, stress post‐processing and superconvergent extraction with application to Mohr–Coulomb failure

Communications in Numerical Methods in Engineering, 1999
Summary: We investigate the stress post-processing and superconvergent extraction techniques for finite element analysis involving joint elements. The behaviour of joint elements is first compared with more standard finite element models and homogenization techniques. Then the interface stress extraction problem is investigated.
G. F. Carey, M. Ma
  +5 more sources