Course Details

Subject {L-T-P / C} : MN3025 : Blasting Technology { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Dr. Falguni Sarkar

Syllabus

Module 01: Commercial Explosive: Classification, Low and High Explosive, Permitted and non-permitted explosives, Important Characteristics, ANFO, Slurry, Emulsion explosives, Primers and boosters, cast booster, Bulk explosive system. [4 hours]
Module 02: Initiation Systems: Storage and Transportation of explosives detonators, safety fuse, Detonation cord, Detonating relay, Non-electric initiation system, NONEL, Electronic detonators, Exploder and other blasting tools,[4 hours]
Module 03: Magazines, transportation of explosives.[ 2 hours]
Module 04: Surface Blast Design: Theory of Breakage, Bench Blasting terminology, Estimation of Spacing, Burden, Stemming Length, Sub-grade drilling etc., Charge calculation, initiation sequence, delay timing, Decking decoupling, Secondary Blasting.[8 hours]
Module 05: Underground Blast Design: Terminology, cut holes, easers, trimmers, commonly used cut patterns, Wedge cut, drag cut, Pyramid cut, Burn cut, etc., blasting in sinking shaft, underground coal mine blasting, blasting in underground metal mines, Series and parallel connections of detonators.[8 hours]
Module 06:Controlled blasting Techniques, Blasting of hot holes [4 hours]
Module 07: Environmental Impact of Blasting: Blast induced ground vibration, its measurement, prediction and control, Noise, its Measurements and control, Fly rock its causes and control [4 hours]
Module 08: Risk assessment and risk control during blasting work[2 hours] ,

Course Objectives

Course Outcomes

1.The student will gain knowledge on various types of the blasting systems which include utilization of specific type of explosive, initiation system and blast pattern etc. <br />2.The students will gain knowledge of control blasting system. <br />3.Students will able to design safe and environment friendly blasting system.

Essential Reading

Supplementary Reading