open pit mine design factors

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CONCEPTUAL OPEN PIT MINE DESIGN AND SCHEDULING

CONCEPTUAL OPEN PIT MINE DESIGN AND SCHEDULING

Conceptual Mine Design and Scheduling for the Riviera Project in Western Cape Feb 2009 In conclusion, the Riviera deposit can be exploited profitably using open pit mining methods, based on the estimated grade, tonnages and the nature of mineralisation Venmyn is of the option that an open pit mining

Open pit mining - Rutgers University

Open pit mining - Rutgers University

Optimum pit design plays an important role in mine scheduling The open pit mine production scheduling problem can be defined as specifying the sequence in which “blocks” should be removed from the mine in order to maximise the total discounted profit from the mine subject to a variety of physical and economic constraints

THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT ,

THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT ,

al, 1995) This paper introduces a methodology to quantify dilution factor in open pit min The proposed approach makes use of general mining software available in most mining compani Therefore it is amenable to most mining operations and provides a readily available tool for understanding mining

Open-Pit Mining Methods

Open-Pit Mining Methods

Open-pit mining methods are applicable to mining ore deposits that apex at or near the surface If the deposit apexes below the surface, the overburden and barren capping overlying the ore must be removed in advance of open-pit mining The removal of this material is known as stripping

Open Pit Planning and Design | Request PDF

Open Pit Planning and Design | Request PDF

Open-pit planning and design is a decision-making process that leads to a realistic and actionable plan to profitably harvest mineral resourc

Lerchs–Grossmann algorithm with variable slope angles ,

Lerchs–Grossmann algorithm with variable slope angles ,

Sep 05, 2013· AbstractOne of the most important design factors in open-pit mining is determination of the optimal pit Pits may be redesigned many times during the life of a mine in response to changes in design parameters as more information is obtained and to changes in the values of technical and economic parameters Over the past 35 years the determination of optimum open-pits has been one ,

FINAL WALL STABILITY IN METAL OPEN PIT MINES USING , ,

FINAL WALL STABILITY IN METAL OPEN PIT MINES USING , ,

FINAL WALL STABILITY IN METAL OPEN PIT MINES USING PRESPLIT BLASTING ABSTRACT Implementing stable final pit walls in open pit mines during the open pit design phase and mine exploitation has become one of the most important concerns of mining engineers in recent years Failure of

FACTORS IN THE DESIGN OF OPEN PIT SLOPES - SAIMM

FACTORS IN THE DESIGN OF OPEN PIT SLOPES - SAIMM

FACTORS IN THE DESIGN OF OPEN PIT SLOPES – A REVIEWER’S PERSPECTIVE Peter Stacey Stacey Mining Geotechnical Ltd ABSTRACT This presentation provides comments on the increasing challenges associated with pit slope designs from the perspective of a design ,

Methodology for a dump design optimization in large-scale ,

Methodology for a dump design optimization in large-scale ,

In large-scale open pit mines, the mining process is rather complex and often involves different run-of-mine (ROM) ore and waste material treatment downstream Appropriate areas to place these large amounts of material are limited and their selection and design must serve the environmental factors and economic goals of the long-term mine plans

Estimating Mining Factors (Dilution and Ore Loss) in Open ,

Estimating Mining Factors (Dilution and Ore Loss) in Open ,

Large open pit mines are driven by the economies of scale that are achieved at the cost of less selectivity in the discrimination of ore and waste Planning for these mines is facilitated by the use of block models for mine design, scheduling and the conversion of Mineral Resources into Ore Reserv

SLOPE STABILITY ANALYSIS FOR OPEN PITS 1 - Rocscience

SLOPE STABILITY ANALYSIS FOR OPEN PITS 1 - Rocscience

SLOPE STABILITY ANALYSIS FOR OPEN PITS José L Carvalho Golder Associates Ltd, Mississauga, CANADA 10 INTRODUCTION In the process of wall design for open pits, a number of steps and levels of analyses are required, from local bench design to overall stability of the walls, to evaluation of the design performance and

Some Technical Aspects of Open Pit Mine Dewatering

Some Technical Aspects of Open Pit Mine Dewatering

Drainage Control for Surface Mines 22 Some Technical Aspects of Open Pit Mine Dewatering by V Straskraba, Senior Mining Hydrogeologist, Dames & Moore, Denver, Colorado, USA In recent years the increase in development of new open pit mines, especially in the Western US, is evident

Geotechnical Factors In Open Pit Mine Design - OnePetro

Geotechnical Factors In Open Pit Mine Design - OnePetro

10 GENERAL INTRODUCTION The object of this paper is to discuss those aspects of open pit mine design which are affected by geotechnical factors The temptation exists for some practitioners of geotechnical engineering to believe that this relatively new engineering discipline is the 'be all and end all of mining, In the opinion of the authors, this is fallacious but, as our ability to put .

Mathematical Optimization Models and Methods for Open ,

Mathematical Optimization Models and Methods for Open ,

In this thesis, we study the open-pit design problem, the open-pit mining scheduling problem, and the open-pit design problem with geological and price uncertainty These problems give rise to (mixed) discrete optimization models that in real-life settings are large scale and computationally challenging

Determining the Most Effective Factors on Open Pit Mine ,

Determining the Most Effective Factors on Open Pit Mine ,

Abstract Determination of ultimate pit limit, and sequence of blocks extraction through the mine life is referred as mine design and planning The aim of mine design and planning is to develop a yearly extraction plan which guides the mining operation to the highest Net Present Value (NPV)

LARGE SCALE SLOPE STABILITY IN OPEN PIT MINING A ,

LARGE SCALE SLOPE STABILITY IN OPEN PIT MINING A ,

University of Technology concerning large scale slope stability in open pit mining The research project is aimed at increasing the knowledge regarding large scale slope stability and to develop a design methodology for large scale open pit slopes, with special application to the Aitik Mine ,

17* Open Pit Optimization - Strategies for Improving ,

17* Open Pit Optimization - Strategies for Improving ,

Open Pit Optimization - Strategies for Improving Economics of Mining Projects Through Mine Planning KDagdelen Mining Engineering Department, Colorado School of Min Golden, Colorado, USA ABSTRACT: The open pit design and scheduling problem is a ,

Determination and stability analysis of ultimate open-pit ,

Determination and stability analysis of ultimate open-pit ,

In open-pit mines, pit slope as one of the important parameters affects the mine economy and total minable reserve, and it is also affected by different uncertainties which arising from many sourc One of the most critical sources of uncertainty effects on the pit slope design is ,

Open Pit Mine Planning and Design - Shifting knowledge to ,

Open Pit Mine Planning and Design - Shifting knowledge to ,

of Open Pit Mine Planning and Design starting at the geological resource model, through to the reserve statement and including all aspects of the value chain This unique course enables you to learn the basic theory of open pit mine design and the application thereof, whilst having the chance to interact with experts in the field

(PDF) Optimum design of open pit mines - ResearchGate

(PDF) Optimum design of open pit mines - ResearchGate

A fundamental problem in open pit mine planning is that of determining the optimum ultimate pit limits of the mine These limits are that pit contour which is the result of extracting a volume of .

Slope Design and Implementation in Open Pit Mines ,

Slope Design and Implementation in Open Pit Mines ,

Principles of slope design in open pit mines Considering the importance of stakes, the slope design in open pit mines must be based on a well-controlled methodology, especially since experience shows that each rock mass characterized by its geological structure is unique, and therefore there are no standard recipes that achieve the right .

Mine water management - SRK

Mine water management - SRK

1 Mining personnel have a different interpretation of the term “mine water management”For the rock mechanics engineer it is the de-pressurisation of a slope in an open pit, for the metallurgist it might pertain to the water contained in the process circuit, and for the tailings engineer, the waste circuit

Analysis of Safety Aspects And Mining Practices For ,

Analysis of Safety Aspects And Mining Practices For ,

Analysis of Safety Aspects And Mining Practices For Effective Ground Control in Surface Mining Suresh K Bhatt, , Planning of open-pit mines on a business-risk basis (2) , relationships between the slope design and structural geological factors The geological parameters that are most relevant to rock

Open Pit Slope Design and Implementation - Edumine Short ,

Open Pit Slope Design and Implementation - Edumine Short ,

Summary This course presents an overview of the process for the design and management of slopes in open pit min Starting with a description of the information required to support a slope design and the methods of data collection, it progresses to the design procedures for bench configurations, inter-ramp slopes and overall slopes, including the analytical procedures commonly in use

Guidelines for Open Pit Slope Design 3 - Design - Edumine ,

Guidelines for Open Pit Slope Design 3 - Design - Edumine ,

The design of the slopes is one of the major challenges at every stage of planning and operation of an open pit mine It requires specialised knowledge of the geology, which is often complex in the vicinity of orebodies where structure and/or alteration may be key factors, and of the material properties, which are frequently highly variable

PIT SLOPE DESIGN AND RISK - SAIMM

PIT SLOPE DESIGN AND RISK - SAIMM

design for an open pit Once this design element is complete it is usual then to evaluate both inter-ramp and overall slop The bench geometry is a function of both geotechnical conditions and mining systems, although in certain geotechnical conditions environmental factors will play a role At

Functional Optimization of Open Pit Mine Design

Functional Optimization of Open Pit Mine Design

Table of ContentsCross Section Input DataOptimization MathematicsOptimization UtilizationOptimization Example In the development of the ultimate pit limits for a narrow ore body, parameters necessary in the design of a functional, or working, pit become highly sensitive factors in the determination of ore reserve levels and their associated waste to ore stripping ratios

A Review of Operations Research in Mine Planning

A Review of Operations Research in Mine Planning

Newman et al: A Review of Operations Research in Mine Planning 224 Interfaces 40(3), pp 222–245, ©2010 INFORMS Crater Ore Face Bench Bench height Overburden Ground surface Ramp Haulage rode Figure 1: The schematic illustrates an open-pit mine

Open Pit Mine Design, Planning & Engineering | Mining ,

Open Pit Mine Design, Planning & Engineering | Mining ,

Anoush Ebrahimi has 24 years of mining experience and specializes in strategic mine planning, open pit mine design, mine evaluation, production scheduling, mine layout optimization, mine simulation and computer modeling He has worked in Canada and abroad on mining projects at stages ranging from conceptual study to construction

Equipment Selection for Surface Mining: A Review

Equipment Selection for Surface Mining: A Review

equipment, which may include a mining loader, shovel or excavator Loaders lift the ore or waste material onto the trucks for removal from the mine In an open-pit mine, loader types can include electric rope, hydraulic excavators including backhoe excavators, and front-end loaders (also called wheel loaders) (Er˘celebi and K rmanl , 2000)

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