Drilling and Blasting Technology
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Follow on Instagram for UpdatesDrilling and Blasting Technology Syllabus — Unit-wise Content
The official GTU curriculum for Drilling and Blasting Technology (subject code DI02022011) as prescribed for CSE · Semester 2 divides the course into 5 units, covering 29 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI02022011)Unit 1 Drilling
- applications of drilling in the mining industry. 1.2 Methods of drilling: percussive drilling
- rotary drilling. 1.3 Drilling tools: drilling chisels
- drilling bits
- fishing tools. 1.4 Borehole lining
- borehole flushing
- water loss during drilling
Unit 2 Explosives
- 2.1 Definition of explosive
- detonation. 2.2 Common ingredients of explosives. 2.3 Properties of explosives. 2.4 Classification and differentiation: - Low explosive and high explosive - Permitted explosive and non-permitted explosive
Unit 3 Blasting Accessories and Magazine
- 3.1 Types of detonators - Plain detonators - Electric detonators --- Instantaneous detonators --- Delay detonators 3.2 Accessories used during blasting: safety fuse
- detonating fuse
- circuit tester
- short firing cables
- exploders. 3.3 Magazine: criteria of selection of place
- safety features. 3.4 Statutory requirements for storage and transportation of explosive
Unit 4 Blasting Practices in Mines
- 4.1 Define Blasting
- its purpose and advantages. 4.2 Procedure of blasting in mine: preparation of charging the hole
- procedure for firing shots
- direct and indirect initiation. 4.3 Stemming: purpose
- type of material. 4.4 Solid blasting: precautions
Unit 5 Blast Geometry and Secondary Blasting
- 5.1 Blast geometry: blast geometry parameters
- powder factor
- detonator factor. 5.2 Secondary blasting
- purpose of secondary blasting
- pop shooting
- plaster shooting
- snake shooting. 5.3 Problems associated with blasting: misfired shot
- ground vibration
- air blast
- fly rock. 5.4 Common causes of accidents due to blasting
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