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Keywords: cavity
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Proceedings Papers
A Guidance for the Optimal Site Location of Cavern Thermal Energy Storage (CTES)
Available to Purchase
Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-467
... on thermal energy storage systems, especially for CTES. Followed by discussing the energy demand for district heating systems, the key parameters for the site selection will be evaluated and visualized. It should be noted that this guidance deals with engineered cavities, excavated predominantly in hard rock...
Proceedings Papers
Impact of Climate Change on the Collapse of Shallow Mines – Feedback from France
Available to Purchase
Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-180
... of these structures to be able to detect precursor signs to these collapses. INTRODUCTION The collapse of underground shallow cavities may represent an important geohazard for people and infrastructures. The number of cavities is estimated at more than 500,000 in the French subsoil, many of which are abandoned...
Proceedings Papers
Instability Phenomena Affecting the Cultural Heritage Cave of Antro Della Sibilla (Cuma, Italy)
Available to PurchaseDaniele Spizzichino, Paolo Maria Guarino, Gabriele Leoni, Milena Diletto, Edoardo Lusini, Fabio Pagano, Marida Salvadori, Daniela Boldini
Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-164
... oil & gas reservoir geomechanics volcanology europe government geological subdiscipline strength geologist italy government sibilla antro geology reservoir characterization antro della sibilla university bologna cuma neapolitan yellow tuff cavity figure specimen strength...
Proceedings Papers
Influence of Deep Coal Mines on the Stability of Shallow Cavities
Available to PurchaseTemenuga Georgieva, Fanny Descamps, George Ajdanlijsky, Sara Vandycke, Nicolas Gonze, Jean-Pierre Tshibangu
Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-337
... ABSTRACT: Wallonia and Hauts-de-France regions encounter complex developments of multi-level mining cavities that may affect the stability of shallower ones. This work focusses on an abandoned room-and-pillar quarry that extracted phosphatic chalk. On the same site, coal was mined out...
Proceedings Papers
The Impact of Rock Strength on the Measurement of Shear Modulus from Cavity Expansion Testing
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Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-125
... ABSTRACT: The cavity expansion test is frequently used to determine the shear stiffness of rock. When stiffness is derived from an unload/reload event (cycle) then the process is repeatable and will give consistent values that are unaffected by drilling disturbance. The simplest...
Proceedings Papers
Methodology for 3D Mine Scale Stress Modeling, El Teniente Division – Codelco Chile
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-272
... sector to the highest elevation of the surrounding mountains), thus significantly disturbing the stress fieldat all mining levels. During recent years the mining advances at an ore extraction rate of approximately 120,000 ton/ day, therefore the cavity is constantly changing and it is necessary...
Proceedings Papers
Three Dimensional Numerical Modelling of a Large Cavity Formed in an Underground Complex in a Hydropower Plant in the Himalayas
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-332
... Abstract This paper describes the formation of a large cavity in an underground complex at a hydropower plant in the Himalayas. The geometry of the cavity is controlled by the rock joints and foliation that intersected a major steeply dipping shear zone. For stabilization of the cavity, three...
Proceedings Papers
Subsidence Analysis of Waste Dumps Located Inside an Active Caving Crater
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-362
... feature of Rajo Sur is that it is located adjacent to the SW end of the DET subsidence crater, resulting in an important operational interference with the underground mine. The proximity of the pit to this existing crater has led the company to deposit waste material inside the cavity as well...
Proceedings Papers
Strata Control Problems Encountered and Support Designing in One of the Incline Tunnel While Driven in Coal Measure Rocks: A Case Study
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Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-033
... has formed cavities extending vertically and also laterally of significant size. The excavation methodology, which considered stand-up time and unsupported span using Bieniawski's RMR, is found most suitable in the given circumstances. Keeping in view field conditions are encountered and failure zone...
Proceedings Papers
Observations of Swelling and Associated Phenomena in Markusberg Tunnel, Schengen, Luxembourg
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-213
..., involving rock mechanics, mineralogical, soil mechanics and hydrogeological aspects were developed Wellbore Design tunnel markusberg heave Steiner construction extensometer anhydrite maquil cavity Upstream Oil & Gas water content gypsum Markusberg Tunnel tunnel 13th international...
Proceedings Papers
The Behavior of Rocks when Exposed to Microwave Radiation
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-380
... Oil & Gas horn antenna specimen cavity Montreal rock mechanics isrm13 Innovations in Applied and Theoretical Rock Mechanics Editors Hassani, Hadjigeorgiou, Archibald ©2015 by the Canadian Institute of Mining, Metallurgy & Petroleum and ISRM, ISBN 978-1-926872-25-4 13th International...
Proceedings Papers
Casing Integrity of a Typical pre-salt Wellbore under Local Salt Dissolution Conditions
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-363
... and the casing setting. Depending upon the composition of the drilling fluid, chemical reactions on the salt wall may occur, especially in case of water-based fluids in highly soluble salt rocks. In those cases, cavities by dissolution ( washouts ) can be generated and the casing column remains uncovered...
Proceedings Papers
Damage Mechanism of Drawbell in Underground Mines under Repeated Impact Loading
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Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-077
..., the Cavity Monitoring System (CMS) and Surpac software were employed to visualize the 3-D damage. Also, the Discrete Element Method (DEM) was employed to perform simulations of the falling ore to investigate the damage evolution of drawbells under repeated ore impact and obtain the dynamic damage...
Proceedings Papers
Geological Origin and Stability Analysis of the Suoduoxi Accumulation Body in the Upper Reaches of the Jinsha River
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-194
... landslide gravelly soil Jinsha River cavity left bank Harmonising Rock Engineering and the Environment Qian & Zhou (eds) © 2012 Taylor & Francis Group, London, ISBN 978-0-415-80444-8 Geological origin and stability analysis of the Suoduoxi accumulation body in the upper reaches of the Jinsha River...
Proceedings Papers
Post-Closure Hydromechanical Behaviour of a Backfilled Cavity
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-253
... ABSTRACT The safety assessment of a radioactive waste disposal facility in a deep geological formation requires to consider its hydromechanical behaviour, especially in the post-closure phase when the cavities are backfilled. The linings are subsequently no longer maintained...
Proceedings Papers
Surface Settlement due to Deep Mining with the Numerical Manifold Method
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-288
... ABSTRACT This paper examines the expected settlement at the ground surface due to circular cavities in layered rock. We begin with two verifications of the Numerical Manifold Method (NMM): the case of an infinite plate with a circular cavity (Kirsch solution). The case of a layered plate...
Proceedings Papers
Deep Foundations on Weathered Rocks
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-361
... embeddment foundation cavity unconfined compressive strength Harmonising Rock Engineering and the Environment Qian & Zhou (eds) © 2012 Taylor & Francis Group, London, ISBN 978-0-415-80444-8 Deep foundations on weathered rocks C.S. Oteo Department of Ground Engineering, University of Coruña, Spain...
Proceedings Papers
Study And Application of Visualized Model Test Technologies for Gas Storage Cluster in Salt Rock
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-383
... ABSTRACT The visualized model test of gas storage cavities destruction process in salt rock is more difficult than the ordinary geo-mechanical model test, which demands the air tightness of cavities, the visibility of destruction process and the similarity of rheological property and self...
Proceedings Papers
Microwave Assisted Mechanical Rock Breaking
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Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-379
... Characterization Engineering Norite reduction metals & mining microwave energy strength shape specimen tensile strength specimen exposure time mineral basalt 2 power level strength value cavity Harmonising Rock Engineering and the Environment Qian & Zhou (eds) © 2012 Taylor & Francis Group...
Proceedings Papers
Analysis of Ground Stability In the Residential Region Located On the Limestone Corrosion Zone
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Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-003
... ABSTRACT The limestone as a bedrock located near the surface is corroded by groundwater and its process forms underground cavities. Serious ground stability problems such as ground subsidence and building crack, etc., come to the front in the region where underground cavities are distributed...
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