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

Basics of surface mining

Session 2

LECTURE:
Surface mining terminology, Stripping ratio and Breakeven stripping ratio, its importance

WEB-LINKS:
Fundamentals.ppt

stripping ratio

Session 3

LECTURE:
Surface mining unit operations

WEB-LINKS:
Unit operations.ppt

Session 4

LECTURE:
Surface mining systems vis-à-vis equipment systems – classification, applicability, advantages and disadvantages

WEB-LINKS:
surface mining methods.video

Surface mining method .ppt

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:

Surface mining planning and designing.ppt

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

Dozer Basics.ppt

Session 11

LECTURE:
Types of blade and corresponding merits and demerits

WEB-LINKS:

Dozer.ppt

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

Digging capacity calculation.ppt

calculations.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:

Dragline Basics

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:

Dragline

Session 16

LECTURE:
Bucket wheel excavator: operations, applicability and cycle time

PROJECT:
Productivity calculation

WEBLINKS:

Bucket wheel excavator.ppt

Session 17

LECTURE:
Scrapers: Applicability and limitations, various types; Method and cycle of operation

WEB-LINKS:

Scraper.ppt

Session 18

LECTURE:
Surface miner: Applicability and limitations, method and cycle operation

WEB-LINKS:

Surface miner.ppt

Session 19

LECTURE:
Front-end-loaders: Applicability and limitations; Method and cycle of operation.

WEB-LINKS:

Front end loader.ppt

Session 20

LECTURE:
Conveyor belt: applicability and limitations, Arial rope ways: applicability and limitations.

WEB-LINKS:

Belt conveyor.ppt
Belt conveyor system.ppt

Aerial rope ways.ppt

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:

Dimensional stone mining.ppt

uses.ppt

Session 23

PROJECT:
PRESENTATION BY GROUP
Methods vis-à-vis equipment for extraction of primary blocks in granite and marble quarries.

WEB-LINKS:

Marble Mining.ppt

Session 25

LECTURE:
Waste dumps - types and formation methods
PROJECT:
PRESENTATION BY INDIVIDUAL
Slope protection.

WEB-LINKS:

Slope monitoring.ppt

slope monitoring instrumentation

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:

Surface mining planning and designing.ppt

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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