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Keywords: shear displacement
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Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-491
... stress shear displacement shear fracture propagation hydraulic fracture equation ABSTRACT: This paper deals with the shear-induced dilatation mechanism when a plane-strain fluid-driven fracture propagates on a plane of weakness, subjected to shear and compressive stresses. The fracture...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0375
... normal stress condition major geological discontinuity stope csd model rock joint shear displacement discontinuity excavation variation residual displacement shear strength residual friction angle geological discontinuity Pacific Rocks 2000, Girard, Liebman, Breeds & Doe (eds) © 2000...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1223
... shear displacement. These discussion and analysis are based on the results of an experimental study on the shear behavior of unfilled natural rock joint replicas. The behavior of single, irregular joints submitted to direct shear conditions, under either constant normal stress or constant normal...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1105
... & Gas pressurization plane tensile crack shear displacement short crack model wellbore pressure wellbore radius shear crack stress measurement atkinson hydraulic fracturing wellbore axis fluid pressure MPa long crack model wellbore crack model fracture Rock Mechamcs, Aubert/n...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1343
... stresses and stopped at defined shear displacements. During shear testing shear displacement rate was constant and the joint mean plane was kept horizontal. The analysis of the morphology of the joint wall sheared surface consists in the identification of the damaged areas using an image analyzer. The...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1201
... midpoint perpendicular to the axis. The device allows a directional analysis of the flow paths, and an analysis of how the flow paths change during shearing. The results show that shearing increases the transmissivity of the fracture, and that increasing shear displacement substantially changes the...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1619
... shear test, include natural joints taken from core samples (60 mm in dia.). After choosing 8 kinds of natural joint surface roughness, we make impressions of them, respectively. Then, by using the impressions, we make reproduced plaster specimens. shear behavior specimen shear displacement...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1597
... from the simplest to the most cumbersome situation, i.e. clean smooth and infilled rough surfaces, respectively. Upstream Oil & Gas shear technique strength discontinuity normal stress specimen asperity Clean surface displacement direct shear test shear displacement single...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0111
... joint model joint behavior reverse direction strength Upstream Oil & Gas dilation angle investigation experimental result continuously-yielding model shear response normal stress dilation shear stress shear displacement joint dilation Itasca Consulting Group dilation curve...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0121
... shear displacement. The progressive failure of zones under simple shear deformation is progressive in at least two ways and is influenced by the normal stress magnitude and dilatancy. The progressive failure extends to all scales and is responsible for a marked shear strength scale effect. This paper...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0165
... hydraulic fracturing displacement normal stress Reservoir Characterization elastic rock reservoir geomechanics fracture penneability fracture length variation straight line segment dilation fracture surface deformation shear displacement fracture behavior Upstream Oil & Gas...

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