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Keywords: elevation
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0751
... of the engineered buffer material. This study investigated the coupled effect of glass microfiber reinforcement on the swelling and compressibility characteristics of sodium bentonite at both ambient (22°C) and elevated (50°C) temperatures. By using the one-dimensional consolidation test setup with temperature...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2156
... toward the initial dam direction during the earthquake process, and finally formed overtopping failure. Liquefaction of saturated tailings during dynamic calculation is the main reason for the formation of sliding zone. initial dam calculation boundary condition elevation Reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0470
... was directly measured by a 3D laser profiler and then compared with the roughness shape obtained by the X-ray CT. As a result of the comparison, it was revealed that the roughness shape of the fracture surface obtained from the X-ray CT had an error of 240 µm with respect to the elevation distribution...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0041
... pressure drawdown groundwater level slope design analysis lower slope metals & mining Upstream Oil & Gas Piezometer Implementation rock mass pushback reduction groundwater pressure south wall elevation horizontal drain depressurization ABSTRACT: Freeport-McMoRan Inc. (FMI) Chino...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1090
... of the crack area. complex reservoir progressive failure characteristic hydraulic fracturing damage evolution experimental investigation shale gas sample 3 shale Upstream Oil & Gas CT image specimen elevation Chinese Academy CT scanner compression Longmaxi Shale crack area failure...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-441
.... 1. INTRODUCTION The slope failures, landslides and rockfalls frequently occur along mountain roads in rugged terrains. One of the most difficult terrains in western Saudi Arabia is the Al-Hada descent (Fig. 1). The famous Al-Hada descent lies at the upstream high elevation region of Wadi Na’man...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-108
... salt stress proceedings horizontal stress reservoir geomechanics elevation structural geology upstream oil & gas diapir shear stress wall rock nikolinakou modeling emplacement basin evolution sedimentation stress change salt sheet reservoir characterization salt diapir...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-558
... and three-dimensional numerical modeling, have been used to evaluate the global stability of the adit-plug system. Results of the analyses are presented. drilling operation resistance MPa Reservoir Characterization metals & mining strength Frictional Resistance plug rock mass elevation...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-118
... displacement Upstream Oil & Gas automatic deformation water pressure elevation interface 1. INTRODUCTION Mae Moh mine is the biggest open cast mine in Thailand and one of the largest mines in Southeast Asia. It supplies approximately 15 million tons of lignite per year to Mae Moh power plants...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-626
... to occur, and when changes to the mining method and ground support are required. The intent is to determine the minimum crown pillar thickness that could be mined with current post pillar cut-and-fill method. The West Ore body is divided into two mining zones, WOB2 and WOB3 with the current back elevations...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-486
... geometry which has an approximate East-West orientation. The highest pit walls are located at the north, west, and south-west sections of the mine. The pit is currently operating at 2425 floor elevation with the highest wall of about 450 m in the western mine sector. Within the future expansion plan...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-166
... of Qianjiangping landslide (i)Slope geomorphology and lithology The slope was a bedding slope, with slope angle 13°~35°, steep in the upper part and low in the lower part, which was consistent with the rock stratum dip angle aproximately; above elevation 180m the rock layer dip angle was 25°~30°, below elevation...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-238
... above the borehole entrance is 246.61m. The borehole entrance elevation is 153.39m. Its depth is 157.70m, with 75.0mm in diameter. The cores extracted were dry, fresh and intact quartz monzonite and monzonitic granite. Fig.7. Pressure-time records in borehole B-S-1 at different depths below its entrance...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-203
... Reservoir Characterization knowledge management hydraulic fracturing ultimate scour depth Bollaert flutter Upstream Oil & Gas criterion stability rock mass Artificial Intelligence pressure fluctuation failure mode assumption elevation Divergence schleiss jet impact prototype scour...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-076
... theory. Preliminary calculations suggested that constant non-salt FEA elastic materials were not stiff enough to maintain a vertical flow in salt column, and thus a linearly-varying elevation-dependent set of elastic moduli was applied to the Selma and Surrounding Rock materials, as shown in Table 2...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-072
... Reservoir Characterization vertical height shallow surface relaxation reservoir geomechanics displacement renewable energy water inlet slope slope excavation characteristic elevation Rock mechanics displacement magnitude Deformation Response hydroelectric station slope deformation...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-123
... orientation Upstream Oil & Gas circle radius reference plane LiDAR ROCK mass CHARACTERIZATION rock surface elevation real time system variation circle radius 0 dip angle cylinder point cloud data algorithm grid point cloud 1. INTRODUCTION Rock mass characterization...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-123
... US government Reservoir Characterization metals & mining Imaging cross hole shot record void detection demonstration travel time borehole mined-out area Upstream Oil & Gas bulkhead cross hole seismic tomography investigation elevation void detection demonstration data...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-140
... the kimberlite pipe is similar to pit wall exposures above the pipe. extensometer excavation proceed metals & mining rock fall hazard kimberlite pipe rock fall kimberlite excavation elevation excavation TECCO Mesh stability Ground Support kimberlite strong fractured rock mesh kimberlite...
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-01-1055
... cathedral inclination construction tiltmeter footing string potentiometer elevation stone structure geomechanics potentiometer differential settlement Pier settlement foundation Rock Mechanics in the National Interest, Elsworth, Tinucci & Heasley (eds), © 2001 Swets & Zeit/Inger Usse, ISBN...

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