Drilling And Blasting Technology

By Prof. Kaushik Dey   |   IIT Kharagpur
Learners enrolled: 145
Drilling and Blasting is the most popular and predominant rock excavation technique. The main advantage of this technique is that it can be universally applicable if it is designed suitably. This course will cover the basics of Rock geology related to drilling application, the fundamentals of drilling and blasting process during rock excavation in surface and sub-surface excavation and also its engineering as well as economic feasibility.

INTENDED AUDIENCE  : Mining engineering, Civil Engineering, Geology
PREREQUISITES           : Nil
INDUSTRY SUPPORT   : All Mining Companies (CIL, HZL, TataSteel, HCL, Cement Companies etc.), Civil sectors carrying tunneling (L&T, HCC, Afcons, NHPC etc)
Course Status : Upcoming
Course Type : Core
Duration : 12 weeks
Start Date : 23 Jan 2023
End Date : 14 Apr 2023
Exam Date : 30 Apr 2023 IST
Enrollment Ends : 30 Jan 2023
Category :
  • Metallurgy and Material science & Mining Engineering
Credit Points : 3
Level : Undergraduate/Postgraduate

Page Visits

Course layout

Week 1: Rock Geology, Mechanism of Rock Drilling and Drillability
Week 2: Drilling Machines, Selection of Rock Drill and its accessories
Week 3: Special Drilling Method and economics of drilling
Week 4: Explosives and accessories
Week 5: Explosive properties and explosive-rock interaction
Week 6: Rock blasting methods and designs
Week 7: Super alloys: Alloy design, Microstructure and Properties
Week 8: Safety, Environmental impact and economics of rock blasting
Week 9: Special blasting techniques – 1: Techniques of boulder blasting, Deck charging techniques, Consideration of rockmass conditions for surface and underground blasting
Week 10: Special blasting techniques – 2 : Controlled blasting techniques, Cast blasting techniques, Hot hole blasting techniques, Underwater blasting, Demolition blasting
Week 11: Blast induced ground vibration and structural damages : Basics of vibration and blast vibration, Measurement of blast vibration and analysis, Vibration predictors, Structural damage and ground vibration
Week 12: Safety in rock blasting and tutorials : Safety essentials in blasting process, SOP and SWP, Environmental impacts, gasses and noise, Tutorial for surface and underground rock blasting

Books and references

1. Drilling and blasting of rocks by Carlos Lopez Jimeno
2. Engineering rock blasting operation by Sushil Bhandari
3. Explosives and blasting techniques by G K Pradhan
4. Rock blasting effects and operation by Pijush Pal Roy

Instructor bio

Prof. Kaushik Dey

IIT Kharagpur
Kaushik Dey is an Assistant Professor, Department of Mining Engineering Indian Institute of Technology, Kharagpur, India. He has obtained B.E. (Mining), M. Tech (Opencast Mining) and Ph.D. (Mining) prior to work in the field of Tunneling and Mining sector for few years. Prior to join I. I. T. Kharagpur, Dr. Kaushik Dey was an Assistant Professor in Department of Mining Engineering at National Institute of Technology, Rourkela and at Indian School of Mines, Dhanbad. His research area includes excavation of rock by blasting or by mechanical cutting, mining operations, surface mining, whole body vibration etc. He has published around thirty five research papers in different journals apart from many others presented in the national/international conferences.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 
30 April 2023 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.


Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Kharagpur .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team

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