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Keywords: rock fracture
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0458
... pressure reservoir characterization permeability shear velocity shear displacement experiment friction-permeability evolution coefficient geological subdiscipline friction rock fracture frictional stability ARMA 23 0458 Effect of Heating-Cooling Cycles on the FrictionPermeability Evolution...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0740
... media fracture normal stress flow regime flow velocity connected flow regime shear displacement surface roughness s-wave velocity elastic property resistivity electrical resistivity rock fracture rock physical property geophysical research fluid flow flow path rock mechanic ARMA 23...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0799
... supersaturated with respect to calcite in a rock fracture. The mixture was injected via a central hole drilled in a granite block that was fractured hydraulically. The paper reports on preliminary results of the precipitation of calcite on fracture surfaces, and resulting changes in fluid flow and fracture...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0333
... ABSTRACT Modeling of fluid flow in rock fractures is a key issue in answering numerous geoengineering problems in the fields of geophysics, reservoir engineering, rock mechanics, to geothermal processes. Although fluid flow in single fractures has been extensively studied in the last 7 decades...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0272
... & gas artificial intelligence catalog hampton brudzinski protocol united states government plate tectonics reservoir characterization hydraulic fracturing rock fracture geological subdiscipline shear rock fracture energy release specimen xiong & hampton amplitude stress condition...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0290
... ABSTRACT A key challenge in using geophysical monitoring to assess the stability of rock fractures is the ability to identify precursory signatures to slip. Laboratory direct shear tests were conducted on induced tensile fractures in Indiana limestone and Sierra White granite under...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1583
... ABSTRACT: We developed a coupled THMC model that can describe the long-term evolution in hydraulic and mechanical properties of the rock masses such as permeability and stiffness due to geochemical reactions within rock fractures induced by cavity excavation. Using the developed model, long...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-022
... parameters governing the shear strength of rock fractures is the surface roughness, which is generally determined using the Joint Roughness Coefficient . This parameter is often determined subjectively in the field by comparison with 10 predefined roughness profiles. Recent studies indicate that surface...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1375
... be together as multiple precursor indicators of rock fracture. Furthermore, the spatial location patterns of AE events based on variations of P-wave velocity can accurately identify the spatial damage area of the rock. It demonstrates that such an approach is significant to study the microscopic damage...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0717
... ABSTRACT: Rock fractures in the subsurface have the potential to act as fluid flow pathways but the permeability of existing, new, or future in-situ rock fractures is difficult to characterize. We perform triaxial direct shear experiments to evaluate the permeability potential of freshly...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-393
... property amplitude Reservoir Characterization frequency Simulation excavation reservoir geomechanics strength History rock mass model fracture ejection loading tensile strength rock fracture wave propagation ARMA 16-0393 Rock Mass Modeling Approach for Simulating Wave Propagation, Rock...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-423
... to strength evolution during fracture shearing. In particular, permeability is expected to be incremented by shear-induced dilation for velocity-weakening (i.e., seismic slip) rock fractures and decremented by shear-induced compaction or neutral deformation for velocity-strengthening (i.e., aseismic slip...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7510
... Abstract This study introduces an unload-induced direct-shear model to investigate the dynamic triggering of frictional slip on a rock fracture filled with granular materials. A constant shear stress and a decreasing normal stress are applied on the filled fracture, which is initially...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7388
... Abstract The evolution of the long-term mechanical, hydraulic, and transport characteristics of rock fractures must be predicted in advance by considering the issue of the underground deposits of the energy by products of high-level radioactive waste. This research presents slide-hold-slide...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-431
... shear tests is investigated by pattern recognition techniques as well as statistical method to find the best equation to predict the peak shear displacement. The rock fractures within the database are classified into four classes, which are the combination of rough and planar joints as well as soft...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-154
... ABSTRACT: A split Hopkinson rock bar is developed and utilized to characterize the interaction between stress wave and artificial rock fractures. The non-filled contact fracture is assumed to be the direct contact interface between the incident bar (rear end) and the transmitted bar (front end...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-251
.... reservoir geomechanics metals & mining rock bridge content Upstream Oil & Gas Rock mechanics stability analysis Reservoir Characterization hydraulic fracturing Engineering Artificial Intelligence persistence proceedings discontinuity rock mass Symposium intensity rock fracture...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-510
... ABSTRACT This paper presents part of the results for the first phase of the research on simulating rock fracturing with particle flow modeling, using the three dimensional Particle Flow Code (PFC3D). The first phase work focuses on development and calibration of the numerical model based...
Proceedings Papers
Characteristics And Ages of Rock Fractures Filled With Carbonates In the Vicinity of Uplifted Corals
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-338
... phenomenon. This paper describes the characteristics and the ages of rock fractures filled with carbonates at granite outcrops along coasts of Yakushima Island, Japan. Like beachrocks, these fractures might be formed rapidly in geological time scale. Microscopic observation and XRD analysis are done...
Proceedings Papers
Publisher: American Rock Mechanics Association
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-10-365
... ABSTRACT: In this paper, slide-hold-slide type direct shear-flow coupling experiments on single rock fracture and its theoretical simulation are performed so as to investigate the effects of long-term load holding on the mechanical and hydro-mechanical properties of rock fractures. From...
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