Numerical Modelling Case Studies In Mining
Processes Special Issue : Numerical Modeling in Civil and
2022年4月30日Numerical modeling is largely used in geotechnical engineering to understand the responses of infrastructures in civil and mining engineering. Many
Field Measurement and Numerical Modelling Study on
AbstractIntroductionCharacteristics of The Study AreaField Measurement Instrumentation PlanField Measurement Data Analysis and DiscussionNumerical Modelling Study and DiscussionConclusionsAuthors’ ContributionsAcknowledgments
Due to the limitation of the number and the density of monitoring points on the ground surface in the field study, it was impossible to take a more detailed look at the strata movement. Therefore, a numerical modelling study was carried out in which any point in the model can be monitored. As the panel length or advance distance, to be more precise...
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
(PDF) Open-Pit Mine Dewatering Based on Water
2021年7月28日This case study analyses possible dewatering solutions related to a change in the mining drainage system: decommissioning by flooding of a depleted
Numerical Modelling of Mining Induced Seismicity in
2022年1月1日The concept of integrating observational data with mining-oriented numerical modelling has emerged as the next logical step in the development of more
Strategies for surface crown pillar design using numerical
2021年2月1日In this study, numerical modelling approaches are developed using the finite difference code FLAC3D 7.0. Critical factors such as in-situ stress regime, major
Migration of sand mining pit in rivers: An experimental, numerical
2021年2月1日After verifying the numerical model, a critical reach in Helleh River was selected as a case study. The effect of sand and gravel mining on a bridge at the site
Open-Pit Mine Dewatering Based on Water Recirculation—Case
2021年7月28日This case study analyses possible dewatering solutions related to a change in the mining drainage system: decommissioning by flooding of a depleted
Numerical modeling for rockbursts: A state-of-the-art review
2021年4月1日The studies about numerical modeling of rockburst prevention are summarized in Table 5. As shown in Table 5, numerical modeling has been widely employed to assess the effects of various techniques on the prevention and mitigation of rockburst risks. For the first type of rockburst prevention approach, the 3D modeling with
Measurement and modelling of deep sea sediment
2020年3月19日Modelling studies of deep sea mining (e.g. 14,15,16,17) laboratory studies and numerical modelling. in the case of seamounts as here, by rotational currents caused by internal tides.
Strategies for surface crown pillar design using numerical modelling
2021年2月1日In this study, numerical modelling approaches are developed using the finite difference code FLAC3D 7.0. Critical factors such as in-situ stress regime, major geological structures, mining sequences, slanted
Numerical Modelling of Mining-induced Inrushes from
2017年11月10日In this study, a numerical code called Rock Failure Process Analysis (RFPA) was used to simulate the process of mining-induced water inrush from an underlying collapse column. Combined with a fully coupled flow–stress–damage (FSD) model (Tang et al. 2002 ; Li et al. 2012 ), it is expected to provide insights into where,
Numerical modelling of rock-burst loading for use in rock
The high stresses, complex structural setting and high mining rates present major challenges in terms of seismicity management and rockburst hazard reduction. This stone is a case study of the calculation of the energy requirements needed to design a dynamic support system for this operation.
Numerical Modelling of Mining Induced Seismicity in Deep
2022年1月1日The concept of integrating observational data with mining-oriented numerical modelling has emerged as the next logical step in the development of more reliable computer-based methods for...
An investigation of longwall failure using 3D numerical modelling
2021年9月1日To do so, an analysis has been conducted using 3D numerical modelling to investigate the failure mode and mechanism. Based on the 3D numerical modelling results with extensive in situ...
Verification of 3D Numerical Modeling Approach for Longwall
The stress change values measured in the chain pillars were comparable with the modeling results. The model also replicated the surface subsidence profile obtained from field measurements fairly well. Overall, the 3D modeling approach was found to be successful for the case study longwall panel.
Numerical Modelling of Shoring Systems: Case Study
2022年6月4日Numerical modelling technique has been used to simulate the behavior of different types of shoring systems which include bending moment, shear stress, maximum displacement of the retaining system. The utility of using anchors in association with shoring systems has also been studied. 2 Case Study A: Design of Sheet Piling
Mining Free Full-Text An Overview of Slope Failure in Mining
This stone presents an overview of several case studies of slope failure in mining operations and explains various modes of failure in rock slopes, as well as factors that influence the stability of slope walls. both linear equilibrium and numerical modeling techniques were reviewed to elaborate their importance in designing stable slopes
Numerical Modelling Study of Low-rise Mining at the Tara
Therefore, the objective of this work was to conduct a numerical modelling study to evaluate the room- and pillar dimensions, mining sequence, and required rock support when mining with the drift-and-slash method in Tara mine. The study was performed in a part of the mine called SWEX on level 725 m, which corresponds to 850 m below surface.
Slope monitoring optimization considering three-dimensional
2023年3月10日A numerical model of 3D ancient landslide stability analyses was established by the local SRM and the SRM 24. A case study in Fujian, Southeast China. Bull. Eng. Geol. Environ. 81, 227 (2022).
Mining Free Full-Text Numerical Modelling of Blasting
2022年9月22日The blasting operation considerably influences the overall productivity of opencast mines, especially when blasting results in oversized fragments that impact the operations ranging from excavation to milling. In this work, a numerical analysis of blasting performance was implemented to optimize the blasting parameters and improve the
Numerical Modelling of Transportation Cost Minimization in Surface Mining
2021年10月25日Abstract:- This study aims to minimize ore transportation cost in surface mining by numerical modelling. Minimization of ore transportation cost is very important in case of multiple locations of ore deposit such as phosphate ore of Aljalamid, in Saudi Arabia, the ore is found in three locations.
Measurement and modelling of deep sea sediment
2020年3月19日In this numerical experiment, the modelling for the sediment plume was repeated (with a stationary release) but over a longer duration using rates of release of fine crust particles (<63 µm)...
Numerical modeling for rockbursts: A state-of-the-art review
2021年4月1日Employing numerical approaches to investigate rock mechanics problems has been a common practice dating back to the 1960s ( Salamon, 1964; Jing and Hudson, 2002; Jing, 2003 ), while numerical modeling to study rockburst-related problems was introduced a little later, in the 1970s.
Stability analysis of a deep highwall slope using numerical modelling
2021年1月27日The minimum acceptable FoS for the overall stability of the case study presented in this stone is 1.2 on the basis of acceptance criteria for overall pit slope design as proposed The mining technology adopted in this mine under prevailing geo-mining conditions is shovel-dumper technology along with in-pit crusher-conveyor-spreader
Open-Pit Mine Dewatering Based on Water Recirculation—Case Study
2021年7月28日This case study analyses possible dewatering solutions related to a change in the mining drainage system: decommissioning by flooding of a depleted deposit and dewatering of a new one located in the vicinity. As part of numerical modelling, a solution was sought to minimise the environmental impact of drainage.
Seismic hazard calculation using the equivalent ScienceDirect
2022年5月1日Numerical modelling is widely used to estimate seismic potential in mines. Several numerical methods, along with different interpretation techniques, allow estimating the seismic potential at different stages of a mine or tunnel construction.
Numerical Modelling of Mining-induced Inrushes from
2017年11月10日In this study, a numerical code called Rock Failure Process Analysis (RFPA) was used to simulate the process of mining-induced water inrush from an underlying collapse column. Combined with a fully coupled flow–stress–damage (FSD) model (Tang et al. 2002 ; Li et al. 2012 ), it is expected to provide insights into where,
Mining Free Full-Text An Overview of Slope Failure in Mining
The numerical modeling method of analyzing instability in rock slopes has offered solutions for complex scenarios. The design of open-pit mines often involves complexities as a result of inherent geological conditions that can be too cumbersome for
Numerical modelling of rock-burst loading for use in rock
The high stresses, complex structural setting and high mining rates present major challenges in terms of seismicity management and rockburst hazard reduction. This stone is a case study of the calculation of the energy requirements needed to design a dynamic support system for this operation.
Slope monitoring optimization considering three-dimensional
2023年3月10日A numerical model of 3D ancient landslide stability analyses was established by the local SRM and the SRM 24. A case study in Fujian, Southeast China. Bull. Eng. Geol. Environ. 81, 227 (2022).
Verification of 3D Numerical Modeling Approach for Longwall
The stress change values measured in the chain pillars were comparable with the modeling results. The model also replicated the surface subsidence profile obtained from field measurements fairly well. Overall, the 3D modeling approach was found to be successful for the case study longwall panel.
Numerical Modelling Study of Low-rise Mining at the Tara
Therefore, the objective of this work was to conduct a numerical modelling study to evaluate the room- and pillar dimensions, mining sequence, and required rock support when mining with the drift-and-slash method in Tara mine. The study was performed in a part of the mine called SWEX on level 725 m, which corresponds to 850 m below surface.
Numerical investigation into impacts of major fault on coal burst
2021年11月1日DOI: 10.1016/j.ijrmms.2021.104907 Corpus ID: ; Numerical investigation into impacts of major fault on coal burst in longwall mining A case study @article{Wei2021NumericalII, title={Numerical investigation into impacts of major fault on coal burst in longwall mining A case study}, author={Chunchen Wei and Chen Chang
Numerical modelling and neural networks for landmine detection using
A numerical modelling case study is presented aiming to investigate aspects of the applicability of artificial neural networks (ANN) to the problem of landmine detection using ground penetrating radar (GPR). An essential requirement of ANN and machine learning in general, is an extensive training set. A good training set should include data from as
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