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Keywords: geological structure
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Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0100
... geometry (pillars, abutments, and back-areas); while 24% were located near known geological structures (faults, dykes). INTRODUCTION As the depth of underground mining increases, the stresses in the rock mass increase, and as a result, the level of induced seismicity usually increases. Mine seismicity...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1682
.... metals & mining analysis tool proceedings reservoir geomechanics standard design Upstream Oil & Gas loading capacity database ground support element degradation level excavation span excavation Reservoir Characterization orientation geological structure Symposium foliation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1012
...-and-blast, and temporal blast properties and their associated seismic response. A multivariate statistical analysis was conducted using the created database to better understand the key factors controlling the seismic response of the rock mass to production blasting. The geological structures’ orientation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-681
... the relationship between the seismicity of the mine and the production rate. The results of the study have shown that seismicity of the mine rapidly increase when longhole stopes are extracted. On the other hand, the study also found that, when mining closer to geological structures, seismicity of the mine...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-677
... in the design of support systems Local support systems also need to be updated with respect to geotechnical conditions in order to optimize the mine s key performance indicators (KPIs). Keywords: tendon support; productivity; safety; anisotropic; geological structures; platinum mining; rockfalls; JBlock 1...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-348
... Abstract Modeling the evolution of geological structures from deposition through to the current day can provide useful insight, such as better knowledge of the stress and material state evolution, development of overpressures, thermal history, and timings related to the maturation...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7054
... principal stress Time Period mining room Upstream Oil & Gas Morsleben repository salt barrier Disposal old mining room case study frac criterion geological structure safety analysis integrity repository ARMA 14-7054 Geomechanical modeling of repositories for nuclear waste disposal...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-729
... Abstract: Forward modeling the formation of geological structures can provide additional insight into their evolution. The ability of these models to replicate the evolution without the requirement for seeding means that important information relating to the material state and development...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-321
... representation of large, persistent geological structures within a cavescale model. A numerical back-analysis of structurally controlled cave initiation and propagation has been conducted at the Henderson Mine to provide a validation of the modeling methodology to be used for evaluation of future caves...
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
... is based on geologic analysis and numerical computations, concluded that the Qianjiangping landslide had a typical geological structure needed to gestate a high speed landslide; the great decline in shear strength in the shear zone (from peak to residual) is the essential cause for the high initial sliding...
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-10-121
... network east cavern area stress state Upstream Oil & Gas borehole Horizontal Hole stress orientation interpretation hydraulic fracturing geological structure cavern area block motion Magnitude in-situ stress principal stress direction stress direction topography hf print stress...
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-09-008
... recommend a slope with a FOS of less than 1.0 is acceptable, the process by which FOS is calculated needs to be understood. Upstream Oil & Gas strength geological structure Engineering slope design probabilistic slope design persistence stability analysis variability stereonet metals...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-109
..., and understand the ways of the water and moisture movement in the permeable rock formation and fissures in this arid region. In this study, Landsat5-TM and Terra-Aster data are available for analysis of geological structure on a regional scale. The resolutions of each satellite are ARMA 08-109 Estimation...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-386
..., occur away from active mining areas, along major geological structures such as faults and shear zones and are characterized by low event densities and large magnitudes. These events have a direct link to the mining activity yet they do not always occur immediately or soon after production blasts...
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-06-1163
... Reservoir Characterization orebody cross fault real time system seismic data metals & mining decay strain rate parameter background level microseismic system dyke november 30 initial event Upstream Oil & Gas geological structure seismicity rockburst protocol seismic work...
Proceedings Papers

Paper presented at the The 34th U.S. Symposium on Rock Mechanics (USRMS), June 28–30, 1993
Paper Number: ARMA-93-0617
... ABSTRACT INTRODUCTION Considerable advances have been made in the measurement of in situ stress over the past 25 years; however, the interpretation of these measurements with respect to geological structures has received significant attention only over the past 10 years. The major limitation...
Proceedings Papers

Paper presented at the The 10th U.S. Symposium on Rock Mechanics (USRMS), May 20–22, 1968
Paper Number: ARMA-68-0759
.... The geological structure of the area is reasonably uniform but the effect of some local anomalies is also discussed. Although some definite tendencies have been recorded, the results so far achieved need confirmation by further experiments. The chapter deals first with some in-situ strain measurements carried...

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