Explosives and Blasting-Theory

Explosives and Blasting: Part-1

Content:

  • Detonation and Deflagration
  • Ingredients of explosives
  • Classification of explosives
  • Blasting properties of explosives
    • Strength- Trauzl lead block test
    • Detonation Velocity
    • Density
    • Water Resistant
    • Fume Characteristics
    • Oxygen Balance
    • Detonation Pressure
    • Borehole pressure and critical diameter
    • Sensitivity
    • Safety in handling & storage qualities

 

Explosives and Blasting: Part-2

Content:

  • EXPLOSIVE INITIATING DEVICES/SYSTEMS
    • Detonators
    • Fuse/Cord system
    • Blasting accessories

Explosives and Blasting: Part-3

Content:

  • Classifications of firing systems
  • Ground blasting techniques
    • Plaster shooting
    • Pop shooting
  • Blasting theory
  • Rock breakage mechanism

Explosives and Blasting: Part-4

Content:

  • Important formula
    • Absolute bulk strength
    • Absolute weight strength
    • Actual scaled distance
    • Burden
    • Spacing
    • Deck stemming
    • Minimum distance
    • Powder factor

Explosives and Blasting: Part-5

Content:

  • Blast- Pattern Parameters
    • Burden
    • Spacing
    • Stemming
  • Delay patterns
  • Blast design

Explosives and Blasting: Part-6

Content:

  • Definitions, Rules and Regulations as per CMR
    • Fiery seam
    • Gassy seam of the first degree
    • Permitted explosive
    • Type of Explosives
    • Cartridges
    • Reserve Stations
    • Shotfirers

For complete theory click here

Part 1 https://onlineminingexam.wordpress.com/2015/12/06/explosives-and-blasting-part-1/

Part 2 https://onlineminingexam.wordpress.com/2015/12/07/explosives-and-blasting-part-2/

Part 3 https://onlineminingexam.wordpress.com/2015/12/08/explosives-and-blasting-part-3/

Part 4 https://onlineminingexam.wordpress.com/2015/12/09/explosives-and-blasting-part-4-2/

Part 5 https://onlineminingexam.wordpress.com/2015/12/11/explosives-and-blasting-part-5/

Part 6 https://onlineminingexam.wordpress.com/2015/12/15/explosives-and-blastingregulations-part-6/

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