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Keywords: foliation plane
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1999
... fracture zones. hydraulic fracturing reservoir characterization structural geology orientation displacement us government renewable energy central scandinavian caledonide estimation fracture borehole foliation plane underground research facility guglielmi stress tensor injection...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2007
... to the foliation plane normal (beta angle, ß). Two additional groups of seemingly “isotropic” samples were prepared from monitoring boreholes where the foliation is tightly folded and deformed at the centimeter scale. We found UCS is weakest when the normal to the foliation plane is oriented 45° to 60° from...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-027
... waste repository site in Finland have been carried out. The effect of orientation of foliation planes with s 1 axis on strength and seismic signature of said specimens undergoing a complex stress path with s 2 axis being either aligned or normal to the strike direction of foliation planes have been...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0829
... and Q-factor with increasing pressure. Remarkable differences are observed in the changes of velocity and attenuation anisotropy as pressure is increased. orientation velocity anisotropy Antigorite Serpentinite foliation plane Reservoir Characterization attenuation variation Geophy...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-509
... and the foliation plane. The combination of tension and shear microcracking together with sliding in biotite basal planes was found to control the failure of specimens with sub-horizontal foliation. Shearing and sliding were dominant in the failure of specimens with oblique foliation. With greater dip of foliation...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-541
... to the velocity changes and shown higher sensitivity to the actual stress-strain state of rock samples. orientation preexisted crack Upstream Oil & Gas minimum velocity plane Reservoir Characterization Sample II attenuation velocity anisotropy foliation plane perpendicular failure plane...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-237
... will discharge water from powerhouse back into the river. Reservoir Characterization tension crack tapovan-vishnugad hydropower project discontinuity knowledge management orientation slope stability evaluation reinforcement rock slope foliation plane investigation diagram switchyard area...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0127
... strength properties of the various kinds of discontinuities. Stability of the south slope of the reactor building excavation was controlled by the geometry of dipping foliation plane joints. Removal of a large rock wedge by excavation back to the dip slope of the foliation planes was selected as the most...

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