parameters of undergroung mine design

  • Design for Underground Metal Mines 1 - Design Parameters

    Oct 18, 2019 · Design Parameters is structured as three parts... Stress and Structure Rock Mass Characterization and Failure Criteria Support and Monitoring The course comprises 11 viewing sessions at both summary and text level, plus multiple-choice reviews, and

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  • DESIGN PRINCIPLES FOR UNDERGROUND ROCK SUPPORT

    The methodology and design principles of a rock support system are determined by the potential failure mode and failure extent of the rock mass as well as the engineering requirements to the maximum allowable displacement. In this paper, some key parameters for underground rock support design are presented. The parameters include the natural

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  • Mine design parameters | Download Table

    Download Table | Mine design parameters from publication: Influence of the ore block model estimation on the determination of the mining cutoff grade policy for sustainable mine production ...

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  • Rock Mass Characterization for Underground Hard Rock Mines

    the mining industry. The first part focuses on the determination of the field parameters, with emphasis on the modifications to each parameter over the last 20 years. The difference between classification parameters which influence rock mass strength estimation and those that influence engineering design is emphasized. The second

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  • The stages of mine design - QueensMineDesignWiki

    38 行 · The stages of mine design is outlined in a variety of ways throughout the literature. The table

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  • (PDF) Ventilation planning and design of the Omerler B mine

    Table 1 - Parameters of mine ... to underground mining operations, the design procedures are also applicable to other complex developments of subsurface space such as nuclear waste repositories ...

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  • Optimization calculation of stope structure parameters ...

    Thus, they set a parameter ( D e) to quantify this relationship, referred as the underground excavation body equivalent size. Its expression is as follows: (6) D e = Spandiameter or width of the excavation body (m) Excavation body support ratio ( ESR).

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  • Designing Blast Patterns Using Empirical Formulas

    includ~d steps in planning a blast design and generalized blast patterns should be of help to the quarry operator. Design changes are recommended for those q~arries where problems are occurring. INTRODUCTION The Bureau of Mines has been conducting field studies of explosive blast­ ing in rock for a number of years.

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  • Optimization of blasting parameters for an underground ...

    Drilling and blasting remains the primary method of rock fragmentation in metal mining. However, blasting vibration can adversely affect the stability of the rock. Therefore, prediction of blasting...

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  • Geotechnical considerations in underground mines

    Geotechnical Considerations in Underground Mining/Department of Industry and Resources Guideline Document No.: ZME723QT 1.0 INTRODUCTION The potentially hazardous nature of underground mining requires the application of sound geotechnical engineering practice to determine the ground conditions, the ground support and reinforcement requirements, as well as the size, shape and

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  • Evaluation of the effect of geometrical parameters on ...

    May 01, 2019 · Realistic ranges of values for each parameter, are obtained from the database compiled by Wang and the study by Zhang et al. , reporting the typical open stope dimensions and inclinations in Canadian underground mines.According to the provided distribution functions for stope span width, hanging wall HR and dip in our reference datasets (), three categories of stopes are defined having

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  • Techniques in Underground Mining - Richard E. Gertsch and ...

    Underground Mining Selections from Underground Mining Methods Handbook. ... iii Excavation Design and Mining Methods in the 1100 Orebody, Mount ... The sites available for Ore Reserve Parameters 5. inspection, sampling, and measurement are too widely or otherwise inappropri- ...

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  • Paper: Chuquicamata underground mine design: the ...

    Following this principle, the original macro block design of the Chuquicamata Underground Mine Project (PMCHS) considered an ore handling system layout based on the maximisation of operational flexibility. In this design, LHDs dumped into orepasses located inside the footprint area, transferring the ore into crusher chambers located below the ...

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  • (PDF) Ventilation planning and design of the Omerler B mine

    Table 1 - Parameters of mine ... to underground mining operations, the design procedures are also applicable to other complex developments of subsurface space such as nuclear waste repositories ...

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  • Numerical Model Calibration for Simulating Coal Pillars ...

    Analysis of Retreat Mining Pillar Stability (ARMPS) (Mark and Chase, 1997), that are widely used in the United States. Numerical models are fnding increasing application as a tool for underground mine design because of their versatility and the ever increasing computational power available to mine designers. A prerequisite

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  • Carlson Software

    Generate Isopachs and 3D colored models of subsidence based on depth of mining, geological characteristics, and mine design parameters; Model subsidence of the surface topography due to underground mining; Generate subsidence profiles based on pillar dimensions, panel width, depth/type of overburden, and more

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  • Design and Characterization of Underground Paste Backfill ...

    Mar 04, 2017 · Belem T, Benzaazoua M (2008) Design and application of underground mine paste backfill technology. Geotech Geol Eng 26(2):147–174 CrossRef Google Scholar Belem T, Harvey A, Simon R, Aubertin M (2004) Measurement and prediction of internal stresses in an underground opening during its filling with cemented backfill.

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

    The information is essential in optimizing dynamic support design for underground openings. Roadway Stability of Underground Coal Mines – Lishuai Jiang (PhD, 2013) The stability of roadways is a long-standing issue in underground coal mines, especially for roadways that serve and ensure the safe production of longwall panels.

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  • Ring Blasting Design Modeling and Optimization

    parameters. This paper presents a methodology of dynamic simulations of the main goals in the mine operation, fragmentation and damage, to obtain results and rock mass behavior trends to be utilized for the designing process. Therefore, in order to control the full blasting process, from the design to

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  • Optimization calculation of stope structure parameters ...

    Mathews stability graphic method, based on the rock classification system, measures the stability of the ore roof area of a relatively simple calculation method and provides a theoretical basis for mine rational design stope structure size parameters. In this study, we used a large-scale tungsten mine in Jiangxi Province as the engineering background and performed on-site engineering ...

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  • DESIGN OF SURFACE BLASTS- A COMPUTATIONAL

    the design parameters. Nevertheless, an integration of empirical method, computer modeling and ... underground mining, surface mining. The vocabulary of underground mining has developed over several centuries. Underground mines are excavated using a variety of methods. Room-and-pillar or Board-and-pillar mining is the excavation of

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  • Software for Underground Mine Design | E & MJ

    According to the company, the Advanced Underground Design module forms part of a complete solution for underground mine planning together with Gemcom MineSched scheduling software. With the solution, design, scheduling and analysis are seamlessly linked together to provide mine planners with more control over mine development and economic return.

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  • Design Principle of Underground Mining Dump Truck

    Feb 01, 2021 · 2. Design Principle of Underground Ore Truck. The power sources of underground mining trucks are diesel engines, batteries or overhead cables. Although the production capacity of

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  • Optimization of blasting parameters for an underground ...

    Drilling and blasting remains the primary method of rock fragmentation in metal mining. However, blasting vibration can adversely affect the stability of the rock. Therefore, prediction of blasting...

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  • Underground Mine Design | US Minneapolis - Itasca ...

    Underground Mine Design. Consulting. Itasca regularly performs evaluations and designs for long-hole, cut-and-fill, room-and-pillar, and longwall stopes excavated in rock ranging from limestone and granite to coal and trona. As with all their work, Itasca engineers combine a practical engineering approach with numerical modeling technologies ...

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  • Mine Design Relating to Dimensions and ... - underground COAL

    Mine Design Relating to Dimensions and Shape. The aim of this aspect of strata control is to make the strata self supporting as far as possible, or if not, to minimize the extra support work required. With regard to opening size, this involves designing minimum practical widths for whatever operations are carried out and could involve modifying ...

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  • Underground Mine Ventilation A Case Study

    Underground Mine Ventilation ... Generally, there are most important parameters that are required to design the ventilation system, which helps in to maintaining the distribution of airflow in the proper direction and also to improve the efficiency of miner ïs and

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  • 31 Blast design considerations for underground mining and ...

    Because the great majority of completely new fractures are created by tension, the dynamic tensile breaking strain (εt) is an important property of massive rocks. As the degree of natural fissuring increases, the influence of εt decreases whilst that of the pre-existing cracks becomes greater. Important and highly controllable blast parameters include the diameter and length of blastholes ...

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  • Mechanical Model of Underground Shaft Coal Pocket and ...

    Oct 14, 2020 · In order to provide a theoretical basis for the design of underground shaft coal pocket and support parameters in coal mines, a mechanical model and a dynamic analysis of the silo wall are established based on the engineering background of Ganhe Coal Mine. The numerical calculation is carried out by using the new model. The back analysis of the silo wall damage in the actual project is

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  • Micromine 2020: Optimising underground mine planning ...

    Nov 13, 2019 · Stope Optimiser automates stoping design for a range of methods used in underground mines, enabling mine planners to quickly analyse stoping methods and parameters for a defined geological block ...

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  • Techniques in Underground Mining - Richard E. Gertsch and ...

    Underground Mining Selections from Underground Mining Methods Handbook. ... iii Excavation Design and Mining Methods in the 1100 Orebody, Mount ... The sites available for Ore Reserve Parameters 5. inspection, sampling, and measurement are too widely or otherwise inappropri- ...

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  • ESTABLISHING TOTAL AIRFLOW REQUIREMENTS FOR

    estimate of total airflow, while difficult, remains one of the most important aspects of underground mine design. Perhaps not surprisingly given the number of parameters affecting the total airflow required for a piece of diesel equipment, there is currently little consensus as to how the determination for total airflow is

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  • Evaluation of methods for stope design in mining and ...

    this, adequate considerations in the mine planning and design are deemed necessary. 1.1. Surface vs. Underground Mining Mining has long been separated in surface and underground mining. The rise in mining equipment scale along with the less restrictive regulations towards the implementation of

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  • Chapter 9. Ventilation Planning - Mine Ventilation Services

    the other aspects of mine design, at the general planning meetings. 9.2.2. Existing mines The routes of surveys in the main ventilation infrastructure of an existing mine provide a skeleton network, often referred to as a ventilation schematic. Additional branches can then be added or

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  • GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

    Mine planning deals with the correct selection and coordinated operation of all the sub -systems, eg. mine production capacity, workforce numbers, equipment selection, budgeting, scheduling and rehabilitation. Mine design is the appropriate engineering design of all the sub-systems in the overall mine structure, e.g. production and near-wall ...

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  • Development of underground coal mine drainage monitoring ...

    Dec 09, 2020 · The weight value of the neuron is adjusted by learning rules, and the output gain of the neuron is adjusted by fuzzy control, which overcomes the problems of non-linearity and time-varying parameters in the underground drainage system of a coal mine. The way of weight adjustment is simple and easy to realise.

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