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Keywords: normal stiffness
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Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-233
... Abstract The normal stiffness of rock joints is decreased substantially by the opening between joint walls. This paper presents a modified semi-logarithmic relationship to describe the normal deformability of irregular rock joints under varying contact states. The effect of unevenness on the...
Proceedings Papers

Paper presented at the ISRM International Symposium - 6th Asian Rock Mechanics Symposium, October 23–27, 2010
Paper Number: ISRM-ARMS6-2010-004
.... Constant normal load (CNL) boundary condition is suitable only for planar rock joints whereas for non planar rock joint Constant normal stiffness (CNS) boundary condition is suitable. Most of the equipment developed in the past, study the shear behavior under CNL boundary condition. Hence, a universal...
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-049
...], Rosso [6] and Bandis et al. [7]. Upstream Oil & Gas strength shear stiffness rock mass Reservoir Characterization relation Thickness distinct element method computed stress normal stiffness reservoir geomechanics stress ratio variation jointed rock mass isotropic elastic...
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-122
... of a fractured rock slope. Upstream Oil & Gas application evolution compression displacement hydraulic fracturing Artificial Intelligence damage variable damage surface normal stiffness stiffness normal-shear damage model increment loading shear loading tensile strength...
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-137
... grout intake and penetration depth increase as joint aperture and normal stiffness increase and in-situ stress decreases. Increase in joint spacing does not have any effect on penetration depth but decreases the grout intake. The effect of joint orientation on grouting process is strongly dependent on...
Proceedings Papers

Paper presented at the ISRM International Symposium - 2nd Asian Rock Mechanics Symposium, September 11–14, 2001
Paper Number: ISRM-ARMS2-2001-054
... Reservoir Characterization CNL shear displacement shear strength displacement rock joint rock mass direct shear apparatus constant normal stiffness condition shear behavior apparatus normal stiffness stiffness Upstream Oil & Gas normal stress vertical displacement shear test...
Proceedings Papers

Paper presented at the ISRM International Symposium - 2nd Asian Rock Mechanics Symposium, September 11–14, 2001
Paper Number: ISRM-ARMS2-2001-069
... USlllg a two-dirnenslonnl DEM (Distinct Element Method) nlodd. Anisotropy of mechanical properties was investigated ~nd senSitivity analysis was conducted to Sl:C the influence of ~~ture normal stiffness. The code chosen for the modeling was EC (ITASCA 2000). The main material assumptions arc that the...

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