Course Objectives

• Understand the different approaches to design a perfect blast design in surface and underground mines depending upon different geotechnical properties of rock and explosives
  
• Select a suitable method of working for exploitation of ore body economically and safely.
  
• Grasp process of mine production
  
• Gain knowledge about the various technical and economical and safety issues to be considered in mine designing.
  

Course Outcomes

CO1 Explain the blasting accessories and drilling methods PO1 (2), PO2(1)
CO2 Describe drilling methods and blasting methods in surface mines PO1 (1), PO7(1), PO8(1)
CO3 Describe drilling methods and blasting methods in underground mines PO1(1), PO7(1), PO8(1)

Course Syllabus

MODULE I
Explosives and Initiating Systems:
Types of explosives, their composition and properties, classification; Selection of explosives; Manufacture, transport, storage and handling of explosives; Testing of explosives
PROJECT:
1.selection of explosive
2.storage and handling of explosives
Types of initiating systems:
Electrical Detonators, Detonating Fuse, Detonating Relays, NONEL, Electronic Detonators, Blasting accessories, exploders.
PROJECT:
Electronic detonator
MODULE II
Drilling & Blasting in Surface Mines:
Drilling:
Blasthole drills types, classification, applicability and limitations; Mechanics of drilling, performance parameters, drilling cost, compressed air requirement for hole cleaning; Selection of drilling systems, drilling errors, organization of drilling.
PROJECT:
1. Selection of drilling systems
2.Estimation of performance of a drill machine
Blasting:
Mechanics of rock fragmentation; Livingstone theory of crater formation; Factors affecting blasting, Blast design estimation of burden and spacing, estimation of charge requirement; Initiation patterns; Secondary blasting pop and plaster shooting; Problems associated with blasting, Ground vibration and air over pressure,Control blasting and Blast instrumentation
PROJECT:
1.control blasting
2. Blast instrumentation
MODULE III
Drilling & Blasting in Underground Mines:
Coal mines:
Drilling systems and their applicability, blasting off solid, different blasting cuts, ring hole blasting, calculation of specific charge, specific drilling and detonator factor, initiation patterns.
PROJECT:
Drilling systems and their applicability for u/g coal mine.
Metal mines:
Drilling systems and their applicability, blast design for horizontal drivages, different blasting cuts, long hole blasting, vertical crater retreat blasting.
PROJECT:
Drilling systems and their applicability for u/g metal mine.
MODULE IV
Exploration Drilling:
Boring for exploration; Various types of exploratory drills and their applicability Auger, Cable tool, Odex, Core Drills; Core recovery: single and double tube core barrels, wire line core barrel; Storage of cores; Interpretation of borehole data.
REFERENCES:
Explosive and blasting practices in mines By Dr. Sameer Das
Mettalliferrous mining methods By Y.P. Chacharkar
Elements of mining technology By D.J.Deshmukh

Session Plan

Session 1

LECTURE:
Types of explosives, their composition and properties, classification
WEB LINKS:

Blasting explosive pdf

explosive.pdf

Session 2

LECTURE:
Selection of explosives; Manufacture, transport, storage and handling of explosives; Testing of explosive
WEB LINKS:

Transport and handling of explosive.ppt

Session 3

PROJECT:
PRESENTATION BY GROUP
1.Selection of explosive
2. Storage and handling of explosive

Session 4

LECTURE:
Electrical Detonators, Detonating Fuse, Detonating Relays, NONEL
WEB LINKS:

explosive initiative devices.ppt
electric detonation system.ppt

Session 5

LECTURE:
Electronic Detonators, Blasting accessories
WEB LINKS:

blasting accessories.ppt

blasting.ppt

Session 6

LECTURE:
exploders
WEB LINKS:

exploder.ppt

Session 7

PROJECT:
PRESENTATION BY INDIVIDUAL
Electronic detonator

WEB LINKS:
ELECTRONIC DETONATORS. VIDEO

ELECTRONIC DETONATORS. PDF

Session 8

LECTURE:
Blasthole drills types, classification, applicability and limitations
WEB LINKS:

Drilling types 1.ppt

Drilling types 2.ppt

Session 9

LECTURE:
Mechanics of drilling, performance parameters, drilling cost
WEB LINKS:

Mechanics of drilling.ppt

drilling parameters.ppt

Session 10

LECTURE:
compressed air requirement for hole cleaning; Selection of drilling systems, drilling errors, organization of drilling
WEB LINKS:

Session 11

PROJECT:
PRESENTATION BY GROUP
1.Selection of drilling systems
2.Estimation of performance of a drill machine
WEB LINKS:

Session 12

LECTURE:
Mechanics of rock fragmentation; Livingstone theory of crater formation
WEB LINKS:

https://www.slideshare.net/AlexanderDemidovich/blasting-and-rock-fragmentation

Session 13

LECTURE:
Factors affecting blasting, Blast design estimation of burden and spacin
WEB LINKS:

https://www.slideshare.net/hamed1469/blasting-rock

Session 14

LECTURE:
estimation of charge requirement; Initiation patterns
WEB LINKS:

https://www.slideshare.net/UmerKhayam2/rock-blasting-fundamentals

Session 15

LECTURE:
Secondary blasting pop and plaster shooting; Problems associated with blasting
WEB LINKS:

https://www.slideshare.net/MomohKMusa1/mine-305-71790117
https://www.osmre.gov/resources/blasting/docs/WYBlasterCertModules/8AdverseEffectsBlasting.pdf

Session 16

LECTURE:
Ground vibration and air over pressure
WEB LINKS:

https://higherlogicdownload.s3.amazonaws.com/SMENET/d1f74698-76c6-4c73-8ced-5de57b15be03/UploadedImages/UCA-YM/TAC%20-%202013%20VIBRATION%20AND%20AIR-OVERPRESSURE%2

Session 17

LECTURE:
Control blasting and Blast instrumentation
WEB LINKS:

https://www.slideshare.net/sharmapd1/techniques-of-controlled-blasting
https://www.slideshare.net/chemistrya40/computer-applications-in-drilling-and-blasting

Session 18

PROJECT:
PRESENTATION BY GROUP
1.Control blasting
2.Blast instrumentation

WEB LINKS:

Session 19

LECTURE:
Coal mines: Drilling systems and their applicability, blasting off solid
WEB LINKS:

Session 20

LECTURE:
different blasting cuts, ring hole blasting
WEB LINKS:

Session 21

LECTURE:
calculation of specific charge, specific drilling and detonator factor, initiation patterns.
WEB LINKS:

Session 22

PROJECT:
PRESENTATION BY INDIVIDUAL
Drilling systems and their applicability for u/g coal mine.
WEB LINKS:

Session 23

LECTURE:
Metal mines: Drilling systems and their applicability, blast design for horizontal drivages
WEB LINKS:

Session 24

LECTURE:
different blasting cuts, long hole blasting
WEB LINKS:

Session 25

LECTURE:
vertical crater retreat blasting
WEB LINKS:

https://minewiki.engineering.queensu.ca/mediawiki/index.php/Vertical_crater_retreat

Session 26

PROJECT:
Drilling systems and their applicability for u/g metal mine
WEB LINKS:

Session 27

LECTURE:
Boring for exploration; Various types of exploratory drills and their applicability
WEB LINKS:

exploratory drilling.ppt

Session 28

LECTURE:
Auger, Cable tool, Odex
WEB LINKS:

https://www.slideshare.net/chsabasaif/drilling-in-hydrogeology

Session 29

LECTURE:
Core Drills; Core recovery: single and double tube core barrels
WEB LINKS:

https://www.iitism.ac.in/~dheeraj/exp/cbcr.pdf

Session 30

LECTURE:
wire line core barrel; Storage of cores; Interpretation of borehole data
WEB LINKS:

http://home.iitk.ac.in/~sarv/New%20Folder/Presentation%20-3

Case Studies