Surface Mining
Teacher
Arun Kumar Sahoo
Category
Core Courses
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Course Name :Surface Mining
Code(Credit) : CUTM1109(2-0-1)
Course Objectives
- Provide a detailed description of the proposed surface mining method and related equipment and support infrastructure;
- Design and evaluate materials handling and transport options
- Conduct productivity analysis for the selected mining system
- Identify and evaluate core risks in each mining method
- Appraise mining systems with respect to safe, efficient, economic and environmentally and socially responsible operations
- Demonstrate awareness of major technological trends
Course Outcomes
CO1 Explain the terminologies, classification and opening of surface mining PO1(2)
CO2 Explain the excavation machineries and transporting of mineral deposits PO1(3), PO5(1)
CO3 Understand the problems associated with surface mining and their remedial measures PO1 (1), PO2(2), PO4(1)
Course Syllabus
MODULE I
Introduction
Basic concepts, applicability, advantages and disadvantages, Surface mining terminology, Stripping ratio and Breakeven stripping ratio, its importance, Surface mining unit operations, Surface mining systems vis-à-vis equipment systems – classification, applicability, advantages and disadvantages, Role of surface mining in total mineral production.
PROJECT:
Role of surface mining in total mineral production
MODULE II
Opening of Deposits
Box cut – objective, types, parameters, methods; Factors affecting selection of box cut site, Production benches – formation, parameters and factors affecting their selection.
MODULE III
Mine Machinery(Ripper)
Types, classification, applicability and limitations; Method and cycle of operation, Estimation of output; Concept of rippability,
PROJECT:
Estimation of output of ripper
Mine Machinery (Dozer)
Pusher dozer and push-pull operation, Applicability and limitations; Types and classification; Types of blade and corresponding merits and demerits; Method and cycle of operation
Mine Machinery (Shovel and Dumper)
Applicability and limitations of electric shovel, hydraulic excavators and dumpers, Cycle time and productivity calculation for shovel and dumper; Estimation for equipment (shovel, dumper and other heavy earth moving machines) required for a given mine production, Method of work for subsurface bedded and massive deposits and for hilly massive deposits by shovel – dumper combination,
PROJECT:
Productivity calculation of shovel and dumper
Estimation for equipment required for a given mine production
Mine Machinery (Dragline)
Applicability and limitations, different modes of operation; Side cast diagram and calculation of reach; Cycle time and productivity calculation,
PROJECT:
Productivity calculation of Dragline
Mine Machinery (Bucket wheel excavator)
Operations, applicability and cycle time and productivity calculation
PROJECT:
Productivity calculation of Bucket wheel excavator
Mine Machinery (Scraper)
Applicability and limitations, various types; Method and cycle of operation,
Mine Machinery (Surface Miner)
Surface miner: Applicability and limitations, method and cycle operation,
Mine Machinery (Front end-loaders)
Front end-loaders: Applicability and limitations; Method and cycle of operation.
Material transportation
Conveyor belt: applicability and limitations, Arial rope ways: applicability and limitations, Stacker and spreader: applicability and limitations, Reclaimer: applicability and limitations.
MODULE IV
Dimensional Stone Mining
Types, occurrences and uses; Methods vis-à-vis equipment for extraction of primary blocks in granite and marble quarries.
PROJECT:
Methods vis-à-vis equipment for extraction of primary blocks in granite and marble quarries.
Slope Stability
Types of mine slope – high wall and waste dumps; Common modes of slope failure; Factors influencing stability of slopes, Waste dumps - types and formation methods; Slope protection.
PROJECT:
Slope protection
Environmental Impacts
Relevant provisions of coal mines and metalliferous mines regulation; Environmental problems due to surface mining and their remedial measures. Recent developments in the deployment of heavy earth moving machineries in the surface mines.
PROJECT:
Environmental problems due to surface mining and their remedial measures
Recent developments in the deployment of heavy earth moving machineries in the surface mines.
REFERENCES
Surface mining technology by Sameer Ku.Das
Elements of mining technology by D.J.Deshmukh
Surface mining technology by T.N.Singh
SME Mining Engineering Handbook / edited by Peter Darling, 2011. Society for Mining, Metallurgy, and Exploration (U.S.) ISBN978-0-87335-264-2.
Kennedy, B. A., Editor, 1990. Surface Mining, 2nd edition, Society for Mining, Metallurgy, and Exploration, Littleton, Colorado. ISBN 0–87335–102–9
Session Plan
Session 1
LECTURE:
Basic concepts, applicability, advantages and disadvantages.
WEB-LINKS:
surface mining animation video
Session 2
LECTURE:
Surface mining terminology, Stripping ratio and Breakeven stripping ratio, its importance
WEB-LINKS:
Fundamentals.ppt
Session 4
LECTURE:
Surface mining systems vis-à-vis equipment systems – classification, applicability, advantages and disadvantages
WEB-LINKS:
surface mining methods.video
Session 5
PROJECT:
PRESENTATION BY INDIVIDUALS
Role of surface mining in total mineral production
Session 6
LECTURE:
Box cut – objective, types, parameters, methods
WEB-LINKS:
Session 7
LECTURE:
Factors affecting selection of box cut site, Production benches – formation, parameters and factors affecting their selection.
WEB-LINKS:
Session 8
LECTURE:
Ripper: Types, classification, applicability and limitations
WEB-LINKS:
Ripper.ppt
Session 9
LECTURE:
Method and cycle of operation of ripper,Concept of rippability
WEB-LINKS:
Session 10
LECTURE:
Push-pull operation, Applicability and limitations,Types and classification of dozer
WEB-LINKS:
Dozer.video
Session 12
LECTURE:
Applicability and limitations of electric shovel, hydraulic excavators and dumpers
WEB-LINKS:
power shovel.ppt
Session 13
PROJECT:
PRESENTATION BY GROUP
Cycle time and productivity calculation for shovel and dumper.
Estimation for equipment (shovel, dumper and other heavy earth moving machines) required for a given mine production
WEB-LINKS:
Dumper cycle time.ppt
Session 14
LECTURE:
Method of work for subsurface bedded and massive deposits and for hilly massive deposits by shovel – dumper combination, Dragline operation: Applicability and limitations
WEB-LINKS:
Session 15
LECTURE:
Different modes of operation; Side cast diagram
PROJECT:
PRESENTATION BY INDIVIDUAL
Calculation of reach; Cycle time and productivity calculation of dragline.
WEB-LINKS:
Session 16
LECTURE:
Bucket wheel excavator: operations, applicability and cycle time
PROJECT:
Productivity calculation
WEBLINKS:
Session 17
LECTURE:
Scrapers: Applicability and limitations, various types; Method and cycle of operation
WEB-LINKS:
Session 18
LECTURE:
Surface miner: Applicability and limitations, method and cycle operation
WEB-LINKS:
Session 19
LECTURE:
Front-end-loaders: Applicability and limitations; Method and cycle of operation.
WEB-LINKS:
Session 20
LECTURE:
Conveyor belt: applicability and limitations, Arial rope ways: applicability and limitations.
WEB-LINKS:
Session 21
LECTURE:
Stacker and spreader: applicability and limitations, Reclaimer: applicability and limitations.
WEB-LINKS:
Session 22
LECTURE:
Dimensional stone mining: Types, occurrences and uses
WEB-LINKS:
Session 23
PROJECT:
PRESENTATION BY GROUP
Methods vis-à-vis equipment for extraction of primary blocks in granite and marble quarries.
WEB-LINKS:
Session 25
LECTURE:
Waste dumps - types and formation methods
PROJECT:
PRESENTATION BY INDIVIDUAL
Slope protection.
WEB-LINKS:
Session 26
LECTURE:
Drilling, types of blast hole drills, performance parameters of drills
PROJECT:
PRESENTATION BY INDIVIDUAL
Estimation of number of drill for a given mine production.
WEB-LINKS:
Session 27
PROJECT:
PRESENTATION BY INDIVIDUAL
Problems associated with drilling and blasting.
WEB-LINKS:
Session 28
LECTURE:
Relevant provisions of coal mines and metalliferous mines regulation
WEB-LINKS:
Session 29
PROJECT:
PRESENTATION BY INDIVIDUAL
Environmental problems due to surface mining and their remedial measures.
Session 30
PROJECT:
PRESENTATION BY INDIVIDUAL
Recent developments in the deployment of heavy earth moving machineries in the surface mines.
Case Studies
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