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numerical modelling case studies in mining

  • Monitoring and modelling of ground subsidence in mining ...

    Monitoring and modelling of ground subsidence in mining areas - Case studies. ... The paper presents results of numerical calculations and modeling of mining-induced surface deformation based on ...[...]

  • Extending empirical evidence through numerical modelling ...

    synergy between empirical and numerical models has helped to improve the effectiveness of both types of models. This paper discusses modelling in engineering design and examines the various types of models that are used in rock engineering. The synergy between empirical and numerical models is discussed, and two case studies are presented in ...[...]

  • NUMERICAL MODELING OF OPEN PIT (OP) TO …

    open pit mining (OP), illustrated with selected examples of case studies on OP-UG interaction, followed by an original experiment based on numerical modeling method. This is first such study for the genuine conditions of the coal mining in Vietnam. The obtained[...]

  • Ebook Numerical Modelling In Geomechanics as PDF Download ...

    Special attention is paid to risk in geotechnical engineering, and to recent developments in applying Bayesian networks and Data Mining techniques. Innovative Numerical Modelling in Geomechanics will be of interest to civil, mining and environmental engineers, as well as to engineering geologists.[...]

  • Numerical Modeling for Yield Pillar Design: A Case Study ...

    Numerical Modeling for Yield Pillar Design: A Case Study ... In this study, a numerical modeling approach on mining-induced strata structural behaviors was proposed by considering the mechanical ...[...]

  • Numerical and Geophysical Tools Applied for the Prediction ...

    coalmines based on combining numerical modelling and seismic analysis. The methodology is based on the comparing between the observations, the seismic activity and the numerical modelling for establishing a close correlation between the location of seismic activity and the induced stresses. The paper presents two case studies using seismic and geo-[...]

  • Numerical modeling for longwall pillar design: a case ...

    Jan 16, 2018· This paper presents a new numerical modeling procedure and design principle for longwall pillar design with the assistance of numerical simulation of FLAC3D. A coal mine located in Yanzhou city, Shandong Province, China, was selected for this case study.[...]

  • numerical modelling case studies in mining

    numerical modelling case studies in mining - paspaleybe. A numerical modeling approach is proposed for predicting the progressive caving behaviour of strata and performance of powered roof support in a given geo-mining and strata condition[...]

  • Edumine | Groundwater Modelling for Mining 2 - Numerical ...

    Oct 31, 2019· The use of numerical groundwater models enables decision makers to study and evaluate potential impacts of large and complex mining projects. Sophisticated models and modelling platforms are, however, no guarantee of good modelling practice. The complexities of groundwater models used for impact assessment may even lead to misuse and/or ...[...]

  • Mine Ventilation – The Australian Mine Ventilation ...

    Aug 28, 2019· The conference program features 7 keynote speakers and 40 technical presentations examining metal and coal mine ventilation planning and design, mine fires and explosions, mine heat and refrigeration, case studies and more. There are also networking opportunities, workshops for additional professional development and a conference exhibition.[...]

  • Numerical modeling of open pit (OP) to underground (UG ...

    The paper is, therefore, a critical review of the hitherto proposed methods of predicting the impact of underground operation (UG) on open pit mining (OP), illustrated with selected examples of case studies on OP-UG interaction, followed by an original experiment based on numerical modeling method.[...]

  • Numerical modeling in the mining industry: CADFEM and ...

    Software Industries Case Studies Events Technical Library Blog News Contact Request your free trial. Numerical modeling in the mining industry: CADFEM and ROCKY DEM at IPMC-2018 . Share this ... • "Examples of application of numerical modeling for improving the efficiency of ore preparation and enrichment equipment";[...]

  • R and Data Mining: Examples and Case Studies

    already have a basic idea of data mining and also have some basic experience with R. We hope that this book will encourage more and more people to use R to do data mining work in their research and applications. This chapter introduces basic concepts and techniques for data mining, including a data mining process and popular data mining techniques.[...]

  • Mine Design and Numerical Modeling Laboratory - McGill ...

    Research Projects . ... Maintaining stable mining excavations and limiting unplanned overbreak are some of the main problems in narrow vein mining. The use of numerical modeling became a popular method for this since it is capable of examining stress patterns and identifying rockmass failure. ... Three-dimensional models of the case study ...[...]

  • Mine Design and Numerical Modeling Laboratory - McGill ...

    Publications by year 2018. Shnorhokian, S., MacNeil, B ... H. and Feng, J. (2017) Voussoir beam model for lower strong roof strata movement in longwall mining–Case study. Journal of Rock Mechanics and Geotechnical Engineering. Volume 9, pp. 1171-1176. ... Numerical modelling study of the C-102 sill pillar at Niobec Mine, St-Honoré, Quebec ...[...]

  • Numerical modelling approach for mine backfill

    material needs special attention as the numerical model must behave realistically and in accordance with the site conditions. This paper discusses a numerical modelling strategy for modelling mine backfill material. The modelling strategy is studied using a case study mine from Canadian mining industry. In the end, results of[...]

  • Ground Support Case Studies Numerical modelling of …

    Mining in Extreme Squeezing Conditions at the Henty Mine – Roache, B. A numerical modelling case study correlation of - ground support instrumentation data with a three dimensional inelastic model – Sweby, G.J., Dight, P.M., Potvin, Y. and Sharrock G. Tunnelling and Reinforcement in Heterogeneous Ground–A Case Study -[...]

  • A new model for mining method T selection of mineral ...

    out through several case studies. Existing mining method selection models and their limitations Several methods have been developed in the past to evaluate a suitable mining method for an ore deposit based on its physical characteristics such as shape, grade and geo-mechanical properties of the enclosing rock and ore deposit itself.[...]

  • Numerical Modeling for Yield Pillar Design: A Case Study ...

    The numerical model was used to back-analyze the two cases of yield pillar application in the hope to find the principle for yield pillar design. In order to improve the reliability of the numerical model, the strain-hardening gob and strain-softening pillar materials were meticulously calibrated, and the coal/rock interface strength was ...[...]

  • Numerical analysis of a large landslide induced by coal ...

    When a mining operation is performed beneath mountainous or hilly terrain, it may trigger landslides. This study, therefore, aims to analyse the impacts of underground mining on the stability of slopes by using numerical modelling. A coal mining induced landslide at Nattai North, Australia, is investigated as a typical case study.[...]

  • numerical modelling case studies in mining

    Read case studies on mine design, modelling, evaluation an maintenance of open pit and underground mines with Maptek Vulcan mining software [Chat Online] numerical modelling case studies in mining. Spatio-Temporal Modelling of Dust Transport over Surface Mining,- numerical modelling case studies in mining,6 Jun 2008,, of the GIS, we present ...[...]

  • Applications of numerical modelling in underground mining ...

    Abstract. Numerical modelling has been used to investigate a variety of problems in underground mining and tunnelling: subsidence induced by longwall coal mining; stresses generated when an open stope is filled cemented backfill and the stability of exposures created during subsequent mining of adjacent stopes; the interaction of two tunnels; and the effects of under-mining a pre-existing ...[...]

  • Numerical Analysis of a Large Landslide Induced by Coal ...

    This study, therefore, aims to analyse the impacts of underground mining on the stability of slopes by using numerical modelling. A coal mining induced landslide at Nattai North, Australia, is ...[...]

  • Calibrating Numerical Modeling Tools for Stress Profiles ...

    Dr. Mark K. Larson, a mining engineer at the National Institute for Occupational Safety and Health (NIOSH), uses Origin in his work as Principal Investigator for a research project on longwall mining.The project involves calibration of numerical tools that output stresses and displacements that result from mining.[...]

  • Numerical Modelling Of Mining Induced Subsidence

    2006 Coal Operators' Conference The AusIMM Illawarra Branch 6 – 7 July 2006 313 NUMERICAL MODELLING OF MINING INDUCED SUBSIDENCE Walter Keilich 1, Ross Seedsman 2, and Naj Aziz 1 ABSTRACT: A methodology of subsidence prediction using the Distinct Element code UDEC has been developed as an alternative for subsidence modelling in the Southern Coalfield, New South Wales, …[...]

  • Numerical Modeling for Engineering Analysis and Designing ...

    Modeling of rock mass is a very difficult job due to the presence of discontinuities, anisotropic, heterogeneous, and nonelastic nature of rock mass, using empirical and numerical methods [1, 2]. The complex nature and different formation make the rock masses a difficult material for empirical and numerical modeling.[...]

  • STABILITY EFFECTS AND FAILURES FROM EXTENSIVE METAL …

    regional hard rock mining in several case studies of shallow stope cave-in failures. Applicable numerical modeling methods indicate that destressing of the rock mass is in effect under such extensive mining, which facilitates the occurrence of block caving, raveling and plug failures in …[...]

  • Numerical modelling of microseismicity associated with ...

    Jun 01, 2018· Steps 2 and 3 described above are repeated in each coal excavation step until the completion of longwall mining simulation in one study area. A flow chart of the modelling procedure is presented in Fig. 1.Note that the model progress from Step 2 to Step 3 is a one-way process, i.e. the initiation of microseismic events are determined by stress states, while it is assumed that the stress …[...]

  • MONITORING AND MODELLING OF GROUND SUBSIDENCE IN MINING ...

    MONITORING AND MODELLING OF GROUND SUBSIDENCE IN MINING AREAS - CASE STUDIES. Adam Chrzanowski, 1 Anna Szostak-Chrzanowski, 1 Geoffrey Bastin, 1 James Lutes 1. 1 Department of Geodesy and Geomatics Engineering, University of New Brunswick Fredericton, New Brunswick. Published on the web 22 July 2019.[...]

  • Numerical and Geophysical Tools Applied for the Prediction ...

    The case study concerns the extraction of a panel, called T05 (Figure 1 4). The objective of the numerical modelling was to determine the final length of the panel, which would ensure safety and profitability. The large scale numerical model allows to include the old panels mined out before and can influence the induced seismicity.[...]