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Numerical Modelling Theories In Mining

Applications of numerical modelling in underground

Numerical modelling has been used to investigate a variety of problems in underground mining and tunnelling: subsidence induced by longwall coal mining; stresses generated

作者: M.A. Coulthard

Numerical modelling QueensMineDesignWiki

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Numerical modelling of strata movement at footwall

2018年8月1日The theories on rock strata movement derived from coal mines cannot be directly applied to metal mines due to differences in the ore-body geological conditions,

作者: Guanwen Cheng, Congxin Chen, Lianchong Li, Wanchen Zhu, Tianhong Yang, Feng Dai, Bo Ren

An overview of numerical modelling applied to deep mining

Canadian deep hard-rock mines, which are progressing to depths greater than 2.5 km, provide in situ laboratories for improving understanding of rock mass damage and

Practical Use of Numerical Modelling in Underground

2021年12月1日A numerical model to simulate groundwater and mining interactions Monitoring and modelling by the distinct element method of a slope slipping January

(PDF) An overview of numerical modelling applied to

2012年5月3日Numerical modelling is currently a standard practice in the mining industry, and it can be effectively used to predict the level of instability for multiple stope sequence alternatives in a...

Numerical Simulation Model of Mining-Induced Fault

2017年12月29日Computer simulation technology is more and more used in engineering. The simulation quality is directly related to the model used in the numerical calculation.

Numerical Modelling Mining Geomechanics

Numerical Modelling Various numerical codes have been developed to study challenging scenarios experienced during longwall extraction. COSFLOW, MOOSE and FRACOD

Numerical Modelling of Transportation Cost Minimization in

2021年10月25日Brazil et al. [13] suggested a model to optimize the transportation costs of underground mining roads. This model focused on the underground mine networks.

Applications of numerical modelling in underground mining and

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

Field Measurement and Numerical Modelling Study

2021年2月3日In fact, back to the early days of the 1980s and 1990s in the US, the impact of mine subsidence on aquifer, farmland, agriculture, and other environmental issues had been studied [4–6].Booth et al. []

A review of techniques, advances and outstanding issues in numerical

2003年4月1日The purpose of this review stone is to present the techniques, advances, problems and likely future developments in numerical modelling for rock mechanics. Such modelling is essential for studying the fundamental processes occurring in rocks and for rock engineering design.The review begins by explaining the special nature of rock

An overview of numerical modelling applied to deep mining

Canadian deep hard-rock mines, which are progressing to depths greater than 2.5 km, provide in situ laboratories for improving understanding of rock mass damage and failure processes around underground openings; collecting data to assess in situ and induced stress variability (e.g., core disking, borehole breakouts, stress measurements

(PDF) An overview of numerical modelling applied

2012年5月3日Numerical modelling is currently a standard practice in the mining industry, and it can be effectively used to predict the level of instability for multiple stope sequence alternatives in a...

Numerical Simulation Model of Mining-Induced Fault Reactivation

2017年12月29日Computer simulation or numerical simulation is a computer-aided technique that uses computers for engineering simulation. This technique is increasingly being applied to engineering practice and has achieved good results. The key to the success of numerical simulation is to choose a suitable computational model.

Numerical Model Calibration for Simulating Coal Pillars, Gob

have been made in full extraction mining. Well-calibrated numerical models can assist in providing a better understanding of the load and failure processes, provided the coal, the overburden, and the gob are all modeled with suffcient realism. A program of numerical model calibration and validation was carried out using FLAC3D. 1

(PDF) NUMERICAL MODELLING FOR UNDERGROUND MINING

2013年9月1日The stone discusses the methodology of mathematical and numerical modeling of these problems. Examples contained in the stone include: predicting the influence of mining exploitation on a...

An overview of numerical modelling applied to deep mining

2012年5月3日Numerical modelling is increasingly being used in the mining industry as part of the planning process. Its areas of application range from the estimation of in situ stresses at planned locations of Expand 2 Highly Influenced PDF View 6 excerpts, cites methods and background

Numerical modelling of strata movement at footwall induced

2018年8月1日The theories on rock strata movement derived from coal mines cannot be directly applied to metal mines due to differences in the ore-body geological conditions, the ratio of mining depth to the height of the goaf, mining methods, and in-situ stresses. 8 Thus, many researchers are currently working to determine the mechanism and zoning

Numerical Modelling Mining Geomechanics

Numerical Modelling Various numerical codes have been developed to study challenging scenarios experienced during longwall extraction. COSFLOW, MOOSE and FRACOD are developed in our team in collaboration with researchers from various research laboratories. These codes are unique compared to commercially available codes.

Elastic Versus Inelastic Numerical Modelling of Deep and

Abstract: With the current trend of exploiting mines at increasing depths comes the challenge of managing increasingly high stress conditions. One tool at the disposal of mine engineers and designers is the numerical simulation of the stresses and deformations likely to be encountered ahead of the mining fronts for various mining scenarios.

Combined Finite-Discrete Element Modelling of Dynamic Rock Hindawi

2021年2月4日A combined finite-discrete element method (FDEM) is proposed to model the dynamic fracture, fragmentation, and resultant muck-piling process during mining production by blast in underground mine. The key component of the proposed method, that is, transition from continuum to discontinuum through fracture and fragmentation, is

Numerical Modelling Department of CivilMineral Engineering

Mining + Geomechanics Numerical Modelling. The numerical modelling research undertaken here focuses on interdisciplinary and multiscale study of fractured rock mass. An understanding of rock mass is needed in every applied rock engineering project. Rock masses are discontinuous, and therefore they cannot be modelled as continuum media.

Field Measurement and Numerical Modelling Study

2021年2月3日In fact, back to the early days of the 1980s and 1990s in the US, the impact of mine subsidence on aquifer, farmland, agriculture, and other environmental issues had been studied [4–6].Booth et al. []

A review of techniques, advances and outstanding issues in numerical

2003年4月1日The purpose of this review stone is to present the techniques, advances, problems and likely future developments in numerical modelling for rock mechanics. Such modelling is essential for studying the fundamental processes occurring in rocks and for rock engineering design.The review begins by explaining the special nature of rock

Numerical modelling of strata movement at footwall induced

2018年8月1日The theories on rock strata movement derived from coal mines cannot be directly applied to metal mines due to differences in the ore-body geological conditions, the ratio of mining depth to the height of the goaf, mining methods, and in-situ stresses. 8 Thus, many researchers are currently working to determine the mechanism and zoning

An overview of numerical modelling applied to deep mining

Canadian deep hard-rock mines, which are progressing to depths greater than 2.5 km, provide in situ laboratories for improving understanding of rock mass damage and failure processes around underground openings; collecting data to assess in situ and induced stress variability (e.g., core disking, borehole breakouts, stress measurements

(PDF) An overview of numerical modelling applied

2012年5月3日Numerical modelling is currently a standard practice in the mining industry, and it can be effectively used to predict the level of instability for multiple stope sequence alternatives in a...

Elastic Versus Inelastic Numerical Modelling of Deep and

One tool at the disposal of mine engineers and designers is the numerical simulation of the stresses and deformations likely to be encountered ahead of the mining fronts for various mining scenarios.

Numerical Modelling for Prediction of Ground Subsidence Over

2023年1月1日Numerical Modelling FEM (Finite Element Method) makes it possible to discretize the structure into single continuous elements. It takes into account the geometry of the structure, boundary conditions, and initial conditions. FEM or FDM-based software is a powerful computational tool for solving many engineering problems in the current scenario.

(PDF) NUMERICAL MODELLING FOR UNDERGROUND MINING

2013年9月1日The stone discusses the methodology of mathematical and numerical modeling of these problems. Examples contained in the stone include: predicting the influence of mining exploitation on a...

Numerical Model Calibration for Simulating Coal Pillars, Gob

have been made in full extraction mining. Well-calibrated numerical models can assist in providing a better understanding of the load and failure processes, provided the coal, the overburden, and the gob are all modeled with suffcient realism. A program of numerical model calibration and validation was carried out using FLAC3D. 1

Numerical Modelling of Mining Induced Seismicity in Deep

2022年6月4日4 Numerical Modelling Studies 4.1 Study Area The complete mining area of 6 (N-S) × 3 (W-E) × 3.5 km (D) comprises of shafts and 1400 km of tunnel work with 70% stoped out area, it becomes extremely difficult to model the entire stretch considering all the geological, geotechnical, and hydrological parameters.

Numerical Modelling Department of CivilMineral

Mining + Geomechanics Numerical Modelling. The numerical modelling research undertaken here focuses on interdisciplinary and multiscale study of fractured rock mass. An understanding of rock mass is needed in

Combined Finite-Discrete Element Modelling of Dynamic Rock Hindawi

2021年2月4日In general, the numerical methods can be classified into three types, that is, continuum method, discontinuum method, and coupled or combined method. Many continuum methods have been employed in studying the rock blasting process, for example, ANSYS-LSDYNA [ 12 ], ABAQUS [ 13, 14 ], LS-DYNA [ 15 17 ], and AUTOYN [ 18 ].

Numerical Modelling of Transportation Cost Minimization in Surface Mining

2021年10月25日The present numerical model aims to determine the best position of processing plant. The suggested mathematical based on the factors such as number of main locations, reserves in each location, transportation costs in different locations, and transportation distance from each ore deposit location to required processing plant position.

Numerical modelling of longwall mining and stability analysis of

2012年4月1日DOI: 10.1016/J.IJRMMS.2012.02.002 Corpus ID: ; Numerical modelling of longwall mining and stability analysis of the gates in a coal mine @article{Shabanimashcool2012NumericalMO, title={Numerical modelling of longwall mining and stability analysis of the gates in a coal mine}, author={Mahdi