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Keywords: subsidence
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Proceedings Papers
An Improved Calibration and Uncertainty Analysis for a Ground Subsidence Using Physics-Informed Neural Network (PINN) Approach
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-192
... that utilizes PINN to identify these attributes and explores potential future applications of this framework. PROBLEM STATEMENT It is common that the location where field measurements of ground subsidence are taken and the boreholes used to gather information about subsurface geological layers do not align...
Proceedings Papers
The Effect of TBM Tunneling on the Surface and Underground Deformations Under Montreal-Trudeau International Airport (YUL) Runway
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-003
... with a diameter of 7.37 m to join the airport station. The tunnel alignment passes under airport runway 06L/24R. To estimate the effects of TBM tunneling on surface subsidence under runway 06L/24R, a 2-D numerical analysis was conducted using the FLAC-2D code. Moreover, to monitor the surface and ground movements...
Proceedings Papers
Identification of the Optimal Time Series Machine Learning Algorithm for the Prediction of the Ground Subsidence with TBM Machine Data
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-093
... with slurry or spoils, and instant support of concrete segment lining, etc., which are mitigating the risk of subsidence. Numerous research has been conducted on the predictions of the settlement during design phases using analytical, empirical, and numerical methods. One of the most widely accepted analytic...
Proceedings Papers
Development of Post-Mining Multi-Hazard Assessment Methodology
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-175
...-quantitative, or purely quantitative approach is sufficient for their qualification. france government hazard interaction geologist operational safety geological subdiscipline ineris hazard interaction europe government reservoir characterization matrix subsidence flooding development...
Proceedings Papers
Failure Characteristics of Rock Mass Around Sublevel and Shrinkage Stopes in Steep Thick Orebody Using Surpac and 3DEC
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-293
... and the stability problem of the dressing plant by surface subsidence in the area of the mine's protective pillar. There are many mining space areas due to the production activities of more than 10 years in the area, which deteriorates mining conditions and causes deformation failure of rock mass around the stopes...
Proceedings Papers
Study on Warping Structure of Overlying Strata and Roof Comovement Effect Between Two Coal Bump Mines
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-170
... horizon and the time effect characteristics of microseismic events and pressure of support all verifies the effect that the subsidence of the one side overlying strata induces the rise of another side. The critical disturbance distance of the roof between two mines is 580-1900m. When the comovement effect...
Proceedings Papers
Geomechanical Effects in Black-Oil Reservoir Simulation with Permeability Changes
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-399
... permeability-porosity exponent porosity subsidence simulator reservoir characterization pore compressibility inoue coupling breakthrough black-oil reservoir simulation displacement Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020...
Proceedings Papers
Numerical Modeling of Pore Collapse in Hydrocarbon Reservoirs Using a Cap Plasticity Constitutive Model
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-377
... with analytical and experimental data showing the validity of the computational implementation. 1 Introduction Surface subsidence is an important phenomenon in hydrocarbon recovery, which can be the reason of casing deformation, sand production, and damage to drilling and production equipment, etc. (Simon et...
Proceedings Papers
Constitutive Behavior of Rock Mass Anchored with Constant-resistance-Large-Deformation Bolt/Cable Incorporated with a NPR Structure
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-338
.../cable and verifying the analytical results with the in-situ monitored data from the underground coal mine. cable equation figure frictional coefficient reservoir geomechanics application subsidence structural geology deformation elongation manchao upstream oil & gas reservoir...
Proceedings Papers
Underground Gas Production and Migration Induced by Mining Subsidence
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-079
... but also fresh air entrance in the voids. Gas can also migrate underground through overburden strata potentially affected by former underground mining activities (e.g. dewatering, subsidence, formation of cracks or fractures). Gas migration between mining voids and the surface is mostly driven by pressure...
Proceedings Papers
The Role of Rock Mechanics in Oil Field Development
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-001
... for economical production. Recently, it has been shown that rock mechanics may offer a huge cost saving potential during field abandonment, as the rock itself may restore the sealing capability of the cap rock given the right conditions. On a larger scale, reservoir compaction and surface subsidence also imply...
Proceedings Papers
Assessment of Surface Subsidence Hazard Using Strength Reduction Method: A Case Study of a Limestone Mine
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-013
... Abstract In mine areas, ground movement such as surface subsidence and landslide is frequently caused by the influence of mining work in the past or at present. It is of great importance to assess the hazard of the disaster to reduce the consequent damage from it. This study aims to assess...
Proceedings Papers
A Practical Method to Control the Formation of Sinkhole Subsidence – The Dolaei Road Tunnel Case Study
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-253
... to propagation of a caved zone toward the surface and formation of chimney subsidence. Chimney subsidence has numerous catastrophic consequences such as the adverse environmental impacts and damage to surface structures in vicinity of excavations. Due to the importance of subsidence in civil engineering...
Proceedings Papers
An Advance in Multi-Scale Analysis of Tabular Deposits
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-346
... Abstract This contribution describes linkage of stress concentration at the face of tabular excavations, for example, longwall coal mine panels, at a meter scale to surface subsidence at a kilometer scale. Joints are considered according to orientation and spacing at an intermediate scale...
Proceedings Papers
Subsidence and Stability Investigation of an Illinois Coal Mine
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-361
... Abstract One of the most concerns of room and pillar mining system is subsidence of the ground surface due to coal mining particularly in room and pillar mines. Subsidence of ground surface is a result of floor, pillar, or roof failure of the mine. At the same, due to many difficulties...
Proceedings Papers
Transitioning from Open Pit to Underground Mass Mining: Meeting the Rock Engineering Challenges of Going Deeper
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-400
... fabric on cave propagation and the evolution of caving-induced surface subsidence and step-path failure of large open pit slopes through the progressive failure of rock bridges. The results clearly showed that caving-induced surface deformations tend to be discontinuous and asymmetric due to large...
Proceedings Papers
Investigation of Geomechanical Mechanisms Contributing to Valley Closure Subsidence Effects – A 3D Numerical Modelling Approach
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-134
... Abstract When underground extractions occur beneath or in close proximity to valleys and other forms of irregular surface topographic features, the observed vertical subsidence at the base of the valley is less than that would be expected in flat terrain, while the valley sides are observed...
Proceedings Papers
Microseismic Monitoring Strategy as a Key Component of Post-Mining Risk Management: Review and Feedback Experience over the Past Decade
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-163
... ABSTRACT The ceasing of a two centuries intense French underground mining industry has let a stupendous number of disused mines exploited by the room and pillar method. By the end of the 1990s, a series of catastrophic ground collapse and subsidence phenomena in urbanized zones occurred...
Proceedings Papers
On the Fractal Characterization of Mining-Induced Crack Network In Overburden Rock Strata
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-291
... Reservoir Characterization coalbed methane metals & mining coal seam gas Thickness mining-induced crack network Artificial Intelligence complex reservoir different coalseam thickness coalseam thickness fractal dimension Simulation subsidence mic distribution mechanics coal bed...
Proceedings Papers
Seismic Imaging of Stressed Pillars in Abandoned Coal Mines: Case Studies From Australia
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-205
... cities, towns or high priority growth areas and are now adversely impacting surface developments due to fear of mine subsidence. Many of these old mines were operated with the room-and-pillar mining method and represent a major subsidence risk where standing and/or partially collapsed workings lie within...
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