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Keywords: stability analysis
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2164
... ABSTRACT: Three-dimensional slope stability analysis of open pit mines is carried out using Limit Equilibrium Method (LEM) of analysis and Finite Element Analysis (FEM). Finite Element analysis has the ability to find different critical regions with the maximum shear strain. However...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1398
... ABSTRACT: Underground gas storage using salt cavern is becoming popular due to the rising problem of the seasonal gas demand peaking. The salt cavern stability analysis is an indispensable part of the salt cavern design. The aim of the research is to study the stability of the two-well...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1979
... data is acquired. knowledge management orientation upstream oil & gas metals & mining cloudcompare & geotechnical slope optimization design rock fabric major structure cni west domain artificial intelligence field mapping stability analysis drone photogrammetry...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1180
.... metals & mining complex reservoir reservoir geomechanics upstream oil & gas stability analysis reservoir characterization equation of state cavern hydraulic fracturing orientation wedge golder associate fracman dfn unwedge dfn approach fracture discontinuity support design...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0091
... the strength of the rock in neglecting the strengthening effect of the intermediate stress. In this study, the Mogi-Coulomb criterion which is a triaxial failure criterion is used to investigate the wellbore stability analysis. The rock is modeled with a strain hardening plastic material. The wellbore...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0334
.... In the experiments the critical injection velocity for wormhole formation at minimum acid injection was obtained. Theoretically acidizing was analyzed by formulating the problem as reactive moving boundary Stefan type problem. Wormholing was analyzed through a linear stability analysis from the equilibrium state...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0484
... excavation probability hydraulic fracturing stability analysis discontinuity rock mass failure mechanism 1. INTRODUCTION Ground control instability issues are one of the main causes of accidents and fatalities in underground mining in the U.S. (MSHA, 2016). Within these ground control issues...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2041
... of weight-on-bit and torque-on-bit. A linear stability analysis is conducted that leads to explicit expressions for the critical rotational speed(s), which is a function of the number of blades and the relative length of the partial blades. The stability maps indicate that the bits can have a better...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2063
.... reservoir geomechanics stability analysis extraction Reservoir Characterization stope calibration metals & mining paste-fill material underhand mining Upstream Oil & Gas Simulation peak particle velocity mining method dynamic analysis paste-filled stope horizontal stress stability...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2178
... Upstream Oil & Gas shear failure stability analysis Zimmerman mohr-coulomb criterion intermediate principal stress anisotropy reservoir geomechanics borehole stability analysis elasticity breakout pressure principal stress anisotropic formation 1. INTRODUCTION Many reservoir rocks...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2205
... ABSTRACT: Kinematic rock slope stability typically considers the primary loading force as a combination of the self-weight of the rock blocks themselves, and the water pressure in fractures. When major facilities exist or are planned near rock slopes, kinematic stability analysis also needs...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-788
... ABSTRACT: Stability analysis of weak rock slopes with daylighting bedding planes pose a challenge as a number of competing mechanisms of failure involving failure through the weak rock mass and sliding on the bedding plane are at play. A bedded weak rock slope was analyzed using limit...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-680
... number has gave 20.3 and 8.6 stability numbers for the sidewall and hangingwall of the excavations respectively. Hydraulic radius results have shown that the excavations have hydraulic radius ranging from 4.6 to 7.4, depending on the dimensions of the excavation. Stability analysis also indicated...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1419
.... In this paper, taking a certain footwall slope for the example, three calculation methods were compared for stability analysis of the footwall slopes. Firstly, calculation parameters of the rock masses and discontinuities were obtained through site tests and laboratory tests. Secondly, a strength reduction...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-221
... Design strength stability analysis hajdúszoboszló field szabo sand production shear failure proceedings alliquander pore pressure horizontal stress wellbore instability overburden stress prediction depth interval 1. INTRODUCTION 1.1. GEOLOGIC BACKGROUND The Pannonian Basin (Figure 1a...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-080
... thickness stability analysis fo value mesh density metals & mining weak zone method mechanics weak zone slope stability analysis ubiquitous-joint method 1. INTRODUCTION Determining slope stability is a critical part of the design stage of mining and civil engineering projects...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0654
.... The results can provide us an overall understanding of the progressive damage and failure evolution of large-scale underground openings in bedded rock masses. 1. INTRODUCTION Reservoir Characterization stability analysis layered rock mass real time system abutment main powerhouse cavern...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0263
... Artificial Intelligence Reservoir Characterization pore pressure dotted curve tangential stress reservoir geomechanics stability analysis coefficient Poisson effective radial stress in-situ stress direction shale formation minimum in-situ stress direction solute mass fraction stress...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0394
... of intermediate stress on the rock medium around the borehole, the study of the heat and pore pressure distribution in the rock medium and its effect on the stress field. We present an example of the stability analysis for the transversely isotropic Sasino and Paslek shale formations. Wellbore Design...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0292
... ABSTRACT: Tailings dams are designed to handle large volumes of waste material from mining operations, thereby their stability has primary importance for sustainability of the mine environment. This paper investigates two-dimensional stability analysis of recently raised condition of Eti...

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