Explosive & blasting with accessories
46 videos • 49,334 views • by gunvant bele - mining classes
1
Mechanism of rock fragmentation by blasting/ Theory of rock fragmentation by blasting /pdf/pr
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2
Explosives 2 including low & high exp/pdf
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3
Explosives 1 remaining in explosives 2
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4
properties of explosive
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5
Permitted explosive/pdf
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6
Types of permitted explosive
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7
sheathed permitted explosive P2/pdf
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8
emulsion explosive
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9
Detonators description/pdf/definition of detonator, non incendive delay detonator/Caps/blasting caps
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10
types of detonators/ Detailed classification of detonator used in mines
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11
Delay detonators/ pdf
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12
plain detonators
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13
blown out shot , blown through shot, cut off
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14
Instantaneous type ordinary electric detonators
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15
Misfire & Reasons or Causes of misfire in underground mines- for 1st yr diploma& 2nd yr degree
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16
Reasons or Causes of misfire in open cast mines - for 1st yr diploma& 2nd yr degree
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17
Dealing with misfire shot underground/pdf
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18
detection of misfired shot/pdf
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19
Blasting in hot strata/Blasting in fire area and Pdf in description
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20
Cast blasting or throw blasting - for all mining students
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21
Initiation system Used in charging of holes in U/G & in Open cast mines - Part 1- Direct initiation
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22
Part 2-Initiation system- Inverse initiation
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23
What is Burden in open cast blasting? How will you decide burden?what are the importance of burden
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24
what is Spacing in open cast blasting? How will you decide spacing?
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25
Detonating fuse- Used in OCM for initiating high explosive
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26
NONEL/Shock tube & its advantages
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27
Safety fuse
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28
Detonating relays( Cord relay/ Super relay) Used in delay blasting in OCM with Detonating fuse
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29
How to calculate powder factor in open cast mines - ABCD of PF - For all competitive exam
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30
Calculation of powder factor in open cast mines - for all competitive exam
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31
Muffle blasting in open cast mines
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32
Secondary blasting in open cast mines
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33
Deck charging /Decking/Deck blasting in open cast mines
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34
Comparison of Low& High explosive /pdf in description
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35
explosives used in open cast mines +Details of Ammonium nitrate/pdf in description
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36
what is sleeping holes in open cast mines? Necessity& precautions for sleeping holes
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37
ANFO Explosives used in open cast mines .
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38
Calculation of Powder factor & Detonator factor for 1st year Diploma in mining
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39
Cap sensitive & Non cap sensitive explosive
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40
Types of exploder
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41
Types of explosives and their properties
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42
BCCL jr overman 2017 Calculation of Powder factor in open cast mine
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43
Confusion clear video regarding calculation of Powder factor in open cast mine
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44
Burning 🔥 issue in OCM.Accidents due to human failure in O/C blasting
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45
Precautions against blown through shots in U/G working.Reg 196(6) not 169
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46
Connection of blast holes in OC mine. concept clear video. All doubts will be cleared.
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