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Keywords: cohesion
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1009
... to interpreting direct shear test data. This interpretation involves selecting shear stresses from a shear stress versus shear displacement plot and utilizing them in the Mohr-Coulomb constitutive model to calculate friction angle and cohesion. The authors navigate through a series of direct shear results...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0097
... geological subdiscipline wellbore reservoir geomechanics increment geology reservoir characterization abousleiman assumption cohesion equation wellbore stability rock mech shear modulus deformation orientation criterion expansion radial wellbore radius displacement variation ARMA 24...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0154
... mechanism strength geological subdiscipline stiffness cantilever organic-rich rock rock type reservoir geomechanics coal interface 1 international journal coal interface cohesion mining science confinement tc cantilever explanation overburden niosh spokane mining research division figure...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0346
...; With the increase of BP cohesion, the BP opening range is reduced. (2) Increased displacement, increased BP opening width and opening range. As viscosity increases, the maximun BP opening width increases but the BP opening range decreases significantly. (3) Under the combined influence of BPs and NFs, the asymmetry...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0414
... ABSTRACT: The bedding interfaces with different cohesions usually exist in unconventional reservoirs. During reservoir stimulation, the slips induced by hydraulic fractures are related to the fracturing effects. In this paper, the rock specimens with cemented and uncemented bedding interfaces...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0432
... fabric reservoir geomechanics strength geology cohesion compressibility clod rearrangement mh geomaterial compressibility characteristic south dakota particle envelope non-plastic soil exposed alteration swcc wet-dry weathering calvin tohm ARMA 24 - 432 Shear Strength and 1D...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0509
... adjustment slope angle software mining operation reservoir characterization safety npv journal strength arizona application osa cohesion engineering geology ARMA 24 509 Optimizing Overall Slope Angle and Net Present Value (NPV) Through the Utilization of Ground-Based Pit Wall Monitoring Data...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0499
... the need to develop better models which improve the prediction and understanding of slope behavior (Kolapo et al., 2022). stability wellbore design geological subdiscipline reservoir characterization modeling cohesion engineering shear strength numerical analysis geologic modeling...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0615
... international journal wellbore design rock mechanic reservoir geomechanics mpa fracture degradation tan plate tectonics evolution geological subdiscipline cohesion geotechnic rockburst geologist deformation mining science discretisation reservoir simulation reservoir characterization tunnel...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0586
.... The data analysis shows that cohesion () and dilation angle ( ψ ) have a negative exponential correlation with plastic shear strain and both these parameters become almost constant in the residual zone. The internal angle of friction ( ϕ ) remains almost constant after attaining its peak value as plastic...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0465
..., and pressurization rate on the reservoir crack and fracture range are positively correlated, while the influence of initial minimum principal stress, stress difference, reservoir tensile strength, and cohesion on deflagration fracturing is negatively correlated. Among them, the most sensitive influencing factors...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0806
... strength parameter geotechnical center cohesion ARMA 23 806 Quantifying the variability in interpretation of shear testing of a natural fracture. Franco, M.A., Potter, J., Ross, B.J. Geotechnical Center of Excellence, The University of Arizona, Tucson, Arizona, USA Copyright 2023 ARMA, American Rock...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0880
... of the engineered buffer material. This study investigated the shearing behavior of glass fiber-reinforced bentonite through a series of direct-simple shear tests on the bentonite samples. From this laboratory experiment, shear strength parameters such as cohesion and friction angle were evaluated for both peak...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0021
... of the cleats only affects the net pressure within a specific range in the critical crack. As the cohesion of the cleats decreases, the minimum net pressure required for shear failure decreases significantly, making shear failure more likely. We also introduced a reconstruction coefficient, η, to evaluate...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0280
... friction angle, cohesion, and presence of water ice. The methods used to obtain these properties are critically reviewed. We discuss their advantages and disadvantages and identify the potential new techniques that can be used to better constrain these engineering properties. This study can help...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0276
.... This method has been demonstrated successfully in lab-scale experiments. The simulations, based on lab-scale geometry, verify the experimental observation and frictional cohesion, the key parameter to control pulling force, is quantified. The field-scale simulation indicates a significant reduction...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0260
... or laboratory testing, as in the case of BBMs, the macroscopic behavior of the model must be calibrated to laboratory data via an iterative process of varying the input parameters. upstream oil & gas tensile strength walton strength cohesion bonded block model international journal reservoir...

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