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Keywords: failure load
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1767
... affected the intensity of mode II loading, and thus affected the peak failure load and fracture path. When notches were printed at the same location, crack propagation, peak failure load and fracture surface roughness were found to depend on both the layer and mineral fabric orientations. The uniqueness...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1788
... analysis bonded-particle numerical model result numerically compression ring test ring specimen tensile strength diameter numerical ring specimen Modeling & Simulation experimental result Dionyso marble failure load specimen Experimentally 1. INTRODUCTION The experimental determination...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-634
..., the effect of anisotropy decreases with increasing applied vertical stress on the rock joints. The roughness of the joint is another significant parameter that effects their strength. strength propagation specimen metals & mining fracture toughness value upstream oil & gas failure load...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-598
... study revealed that the CCNBD geometry and the Brisbane Tuff rock have higher failure loads than the SCD geometry and concrete sample counterparts. Following the experiments, a series of numerical analyses were then performed using FRANC2D software to simulate the stress distributions and fracturing...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-492
... on rock anisotropy via numerical simulation methods. Reservoir Characterization inclination angle particle Upstream Oil & Gas Mining Science numerical simulation reservoir geomechanics Brazilian test anisotropic rock failure load tensile strength international journal particle...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-628
... crack inclination angles of 45? and 60?. A second series of diametral compression testing with increasing cyclic loading amplitude showed that the failure load decreased between 30% and 45% compared with that under static loading. Comparison of the load–CMOD (crack mouth opening displacement) plots...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1166
... strength Reservoir Characterization Upstream Oil & Gas internal length scale failure load Wellbore Design sand production borehole wall initial failure diameter loading plastic shear strain reservoir geomechanics size effect borehole anisotropic loading cavity Continuum stability...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-844
.... The usefulness of these models were compared and discussed. hydraulic fracturing cylinder experiment strength process zone physical test Reservoir Characterization notch tip notch length specimen notch fracture reservoir geomechanics Peak Load failure load sensor notch beam intrinsic...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0045
... experiment Wellbore Design weakly consolidated sandstone failure load wellbore integrity Reservoir Characterization strength shear failure shear band Castlegate sandstone cylindrical cavity splitting failure cavity bifurcation theory artificial sandstone bifurcation point sandstone van den...
Proceedings Papers

Paper presented at the The 32nd U.S. Symposium on Rock Mechanics (USRMS), July 10–12, 1991
Paper Number: ARMA-91-763
... borehole stability Engineering perforation stability diameter perforation Completion Installation and Operations perforation diameter failure load productivity fracture deformation numerical model interaction redistributed stress perforation tunnel Rock Mechanics as a Multidtsciphnary...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0647
... have been used for this study. acoustic emission failure load acoustic emission analysis waveform Reservoir Characterization Imaging experiment corner frequency frequency source location tomographic velocity imaging tomographic imaging Upstream Oil & Gas mechanism acoustic...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-1057
..., non-linear discontinuity elements may be modelled with the programme. Seam failure is incorporated by imposing a constraint on the maximum shear stress that can be developed in a seam. reservoir geomechanics wedge failure load displacement discontinuity Reservoir Characterization...
Proceedings Papers

Paper presented at the The 21st U.S. Symposium on Rock Mechanics (USRMS), May 27–30, 1980
Paper Number: ARMA-80-0086
... sandstone fracture Reservoir Characterization pritchard calculation roller cutter stress field revolution stress component penetration depth indentor load friction angle strength cutter failure load tensile stress mechanics EFFECTS OF WATERJET SLOTTING ON ROLLER CUTTER FORCES R. S...
Proceedings Papers

Paper presented at the The 12th U.S. Symposium on Rock Mechanics (USRMS), November 16–18, 1970
Paper Number: ARMA-70-0221
... specimen permeability curve fracture Upstream Oil & Gas failure load envelope loading Reservoir Characterization deformation MN sq hydrostatic loading fracture initiation investigation permeability change permeability Fluid Dynamics sandstone Triaxial stress Condition specimen 2 406...
Proceedings Papers

Paper presented at the The 10th U.S. Symposium on Rock Mechanics (USRMS), May 20–22, 1968
Paper Number: ARMA-68-0363
... failure load failure envelope lower bound solution sandstone rock failure uniaxial compression strength specimen loading indenter Chapter 13 ROCK FAILURE UNDER CONCENTRATED LOADING by B. Ladanyi The problem of rock behavior under concentrated loadings has been the subject of a number of studies...

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