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Keywords: monitoring
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Proceedings Papers
Julia Potter, Benjamin Meyer, Brad Ross, James McNabb, John Keefner, Chad Williams, Leonard D. Brown, Bobby Prescott, Albert Cabrejo
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1049
... to both personnel and infrastructure. Despite great progress in monitoring solutions targeting movement at rates of inches per year to inches per day, there are limited methods to detect rapid movement due to rockfall in real time (Sharon and Eberhardt, 2020). Currently, rockfall mitigation is largely...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0297
... ABSTRACT: This paper presents a case study on the conceptual subsurface risk management and measurement, monitoring, and verification (MMV) design for an offshore CCS carbon capture and storage (CCS) site in Japan. Based on the available geological and carbon dioxide (CO 2 ) numerical...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0545
... ABSTRACT: Rockfalls are a source of danger for infrastructure near rock slopes containing potentially unstable blocks. Rockfalls can cause property damage, road blockages, and harm to people. Literature studies that monitor rock slopes have helped to demonstrate connections between rockfalls...
Proceedings Papers
P. Hamdi, P. Achtziger, J. Dickmann, M. Kruszewski, A. P. Rinaldi, L. Villiger, A. Shakas, M. Perras, N. Bahrani, D. Jiang, F. Amann, S. Wiemer
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0543
..., permeability is often increased, and in the context of nuclear waste disposal, this increased permeability may create preferred pathways for the migration of radionuclides. Therefore, a comprehensive assessment of brittle fracture formation in space and time requires multidisciplinary monitoring systems. A new...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0541
.... In such situations, there may be no similar existing experience to lean on. Empirical methods have limitations and uncertainties in such cases. Therefore, SINTEF has developed a rock engineering tool to deal with the challenges. The tool is a combination of Investigation, Numerical modelling, and Monitoring. We use...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0618
... (CP-HF), operating under a pressure lower than the formation's breakdown pressure, offers advantages potentially reducing environmental impact and costs. However, additional research integrating real-time monitoring techniques is necessary to improve our understanding of HF phenomena and fracture...
Proceedings Papers
Omar Bakelli, Ting Xiao, Brian McPherson, Carlos Vega-Ortiz, Nathan Moodie, Hichem A. K. Chellal, Ilyas Mellal
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0650
... ABSTRACT: Geological Carbon Storage (GCS) offers a promising solution to mitigate climate change, but ensuring safe and permanent CO 2 confinement demands reliable monitoring techniques. This study investigates the feasibility of using pressure changes above the CO 2 injection zone (AIZ...
Proceedings Papers
Y. Kovalyshen, A. Giwelli, J. Sarout, L. Kiewiet, V. Shulakova, L. Esteban, S. Banks, M. Sarmadivaleh, Y. Kato, M. Katou, T. Takeuchi, D. Kuramoto, Y. Chen, T. Ishida
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0298
... ABSTRACT The paper reports results of hydraulic fracturing experiments. The fracturing was completed under in situ conditions in 15 cm cube of American Black granite and Montney shale samples using supercritical CO 2 . Different modes of ultrasonic monitoring have been used. The final...
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-2023-0157
... ABSTRACT Numerous landslide accidents lead to thousands of casualties each year and pose great threats to residents nearby in China. Landslide monitoring and early warning are of great significance. As a deep deformation monitoring method, acoustic emission (AE) monitoring technology...
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-2023-0337
... (accelerating) creep. In this study, damage monitoring during primary and secondary creep was performed using synchronized optical-geophysical systems. To investigate and characterize creep behavior, an unconfined constant stress test was conducted on a prismatic intact Stanstead granite (SG) specimen. During...
Proceedings Papers
Innovative Approach for Monitoring Underground Excavations at San Xavier Underground Mine Laboratory
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0913
... ABSTRACT Assessing and making decisions in underground mines is crucial and is difficult due to the harsh environment and the limitation of accessibility. Monitoring plays an important role in assessing ground conditions to ensure safety and efficiency. Through consistent monitoring, a safe...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0406
... ABSTRACT: Passive seismic monitoring can assist in mapping the generated hydraulic fracture network and determining the fracture source mechanisms during fluid stimulation operations. While this is the most applied technique that provides critical information, it has certain limitations which...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0695
... the field monitoring data due to the subjectivity of the selection of rock mechanics parameters, the uncertainty of surrounding geological conditions, the variability of the construction process, and the limitation of mesh distorting in numerical calculation. Therefore, it is practically essential...
Proceedings Papers
M. R. Amir Rashidi, M. Z. Kashim, S. S. Md Shah, Z. A. Abu Bakar, C. P. Tan, R. J. Leite, W. M. Sazali, X. Wu, Z. Xi
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1847
.... As the CO 2 saturation increases, a steady decrease in acoustic velocities was observed. The fluid sensitivity effect (up to −10% and −12% for Vp and Vs, respectively) was observed up to 70% CO 2 /brine saturations which will be beneficial for seismic-based monitoring post-CO 2 injection. 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1609
... Abstract Secure CO 2 geological storage necessitates robust monitoring methods to provide assurance of CO 2 storage. Pressure monitoring above the injection zone is a method to detect potential CO 2 leaks into overlying formations. We built a CO 2 storage model to characterize pressure...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2027
... ABSTRACT: Concerns about seismic hazards associated with fluid injection necessitate close monitoring of geothermal reservoirs to anticipate and minimize the threat of induced earthquakes. Here, we apply machine learning to a series of datasets from laboratory-scale friction experiments...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2076
... Abstract Adverse ground behavior is a hazard to both personnel and non-human assets in any underground mine. Traditional visual inspections and embedded or static instruments are not well-suited for mine-wide digital data collection and geotechnical monitoring. This paper investigates emerging...
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-2019-0021
... geomechanics symposium injection pressure experiment Injection Rate AE event sensor rock mechanics association specimen laboratory hydraulic hydraulic fracture shale gas Upstream Oil & Gas acoustic emission monitoring monitoring American Rock mechanics Association stress condition fracture...
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-2019-0366
... ABSTRACT: The combination of active ultrasonic monitoring and Digital Image Correlation (DIC) was used to detect and characterize crack initiation and growth in pre-cracked rock specimens. Uniaxial compression tests were conducted on prismatic Lyon Sandstone specimens with one oriented flaw...
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-2019-0259
... mechanism. Monitoring the wetting range of water injection is key to study the anisotropic coal seam wetting law, water–gas displacement mechanism, pore fracture structure wetting characteristics, and other important theories. However, only a few studies are conducted on high-precision monitoring of sample...
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