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Keywords: metals & mining
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Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1712
... unavoidable, spiling and shotcrete arches are used to manage the increased squeezing rate. This paper reflects techniques that have been used to enhance safety in our travel ways by effectively monitoring and managing squeezing ground at Turquoise Ridge. metals & mining ramp rehab convergence...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0016
... reservoir geomechanics Rock mechanics mining drive Reservoir Characterization Upstream Oil & Gas mechanism compression test stress concentration rockburst metals & mining quartzite international journal investigation Orebody specimen excavation pillar footwall quartzite tangent...
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 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0056
..., field monitoring results and lessons learned, are also discussed in this paper. Lessons learned from these case studies can be used for future de-stressing design in highly-stressed ground at deep mines. Upstream Oil & Gas destress blast metals & mining blast design mining method...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0030
... methods and compares the results with 2D cross-sections. Artificial Intelligence bedding lea structural geology shear strength slip surface FEA limit equilibrium analysis metals & mining strength cross-section rock mass Reservoir Characterization Upstream Oil & Gas disturbance...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0022
... energy-based rockburst criteria (i.e., Loading System Stiffness (S)) are found to be more efficient than the stress-based rockburst criteria (i.e., Brittleness coefficient (B)). metals & mining criterion tendency Upstream Oil & Gas shaft station pillar reservoir geomechanics...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0105
... Distinct Element model to assess strata fracturing during longwall extractions. metals & mining Artificial Intelligence hydraulic fracturing Modeling & Simulation Fluid Dynamics flow in porous media fracture intensity abutment particle Queensland permeability enhancement aquifer...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0043
... after a serious event. risk management real time system Upstream Oil & Gas mechanism operation Reservoir Characterization stability control measure mining front maintenance instability Safety Case recommendation control measure metals & mining stability safety case hazard...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0037
... degrees of bump potential, which is not possible to capture by conventional fault simulation using an interface. US government panel excavation metals & mining Thickness Reservoir Characterization Upstream Oil & Gas mining excavation excavation numerical model mechanical impact...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0231
... process are discussed. Upstream Oil & Gas pore pressure pastefill belem consolidation specimen barricade plug pour binder content metals & mining strength backfill total horizontal pressure Casa Berardi stope drainage compressive strength mass pour control specimen 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0350
... investigation into the utilization of the GRC and SRC for the design of mine pillar support systems with respect to anticipated pillar loading and opening convergence. metals & mining Ground Control international conference Morgantown Reservoir Characterization esterhuizen Upstream Oil...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0325
.... machine learning classification abutment angle knowledge management US government Artificial Intelligence calculation new abutment angle equation colwell stress measurement database fracability metals & mining proceedings pillar stability abutment angle equation Case History abutment...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0135
... network metals & mining pillar strength slender pillar stead rock mass characterization failure mechanism brittle failure peak stress rock bridge intensity pillar fracture 1 1. INTRODUCTION Rock pillars are designed to sustain the overburden load induced by the need to maximise the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0210
... brittle rock-like geomaterials. Upstream Oil & Gas Reservoir Characterization strength structural geology Williams Brazilian tensile strength determination ring test Queensland Alehossein metals & mining hard rock test method tensile crack brittle material tensile strength...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0298
... metals & mining seismic response seismic event pillar exclusion zone firing central pillar region seismicity support system Upstream Oil & Gas support design reentry protocol fractured rockmass deformation stope blast Energy demand 1. INTRODUCTION Mining-induced seismic hazards...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0307
... (2D-DFPA) with different perimeter drill-hole patterns. The influence of the blast design method and initiation error of the detonation on the fracture patterns are also discussed. Upstream Oil & Gas dynamic fracture process analysis metals & mining electronic detonator buffer-row...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0256
... risk requires a holistic approach and exposure management is simply one component that works together with other control measures. seismic risk seismic response exclusion time metals & mining variant time window hazard procedure background seismicity reentry method Upstream Oil...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0358
... distance, and size of blocks. This paper describes the new technology, initial results from field tests conducted on a natural slope near Tschamut, Switzerland, and recommendations for future work. specification trajectory rockfall trajectory id georadar metals & mining radar information...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0270
... monitoring can be used to calibrate numerical modeling and to evaluate designed support efficiency. This better understanding will enable operations to make informed decisions regarding the selection of support systems and the effect of mining rate and excavation proximities metals & mining...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0324
... of areas of high elastic strain energy accumulations inside the solid coal pillar. Hence, the paper finds direct application in improving the safety of people working in coal mines, minimising machine downtime and production delays. metals & mining variation deflection abutment load...

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