25 Jan, 2025
COMPLETE NOTES ON DRILLING & BLASTING_NPTEL
NOTES ON DRILLING AND BLASTING AS PREPARED BY NPTELCLASSIFICATION OF DRILLING MACHINESRotary...
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14 Jun, 2023
UNDERGROUND BLASTING PART-I
IntroductionBlasting is a controlled process that involves the use of explosives to break rock...
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14 Jun, 2023
UNDERGROUND BLAST DESIGN PART-I
IntroductionUnderground blast design refers to the careful planning and execution of blasting...
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13 Jun, 2023
DETONATING FACTOR AND SPECIFIC DRILLING
Detonating factor ( DF) is the amount of rock or ore fragmented per number of detonators used...
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13 Jun, 2023
CONTROLLED BLASTING-PART-III
MUFFLE BLASTINGFly-rock is another important adverse impact of blasting operations, specially,...
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13 Jun, 2023
UNDERGROUND BLAST TECHNIQUES- PART-II
Burn cutA series of parallel holes are drilled closely spaced at right angles to the face. One...
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05 Jun, 2023
BLAST DESIGN AND ITS TYPE-PART-I
Introduction Blast design plays a crucial role in the efficient and safe extraction of...
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04 Jun, 2023
POWDER FACTOR WITH SOLVED EXAMPLES
Powder factor is a measure of the amount of explosive required to fragment a given volume or...
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16 Feb, 2023
Conditions For Deep-Hole Blasting In Opencast Coal Mine
Conditions For Deep-Hole Blasting In Opencast Coal Mine (See Regulation 194 of the Coal...
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16 Feb, 2023
TRANSPORT OF EXPLOSIVES IN BULK
CONDITIONS FOR TRANSPORT OF EXPLOSIVES IN BULK (See Regulation 188 of the Coal Mines...
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16 May, 2022
BLASTING IN FIRE AREAS IN OPENCAST MINES
Conditions for conducting blasting in fire areas in an opencast coal mine (1) Blasting...
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24 Apr, 2020
GLOSSARY OF BLASTING TERMS
Definition & explanation of various blasting & explosive terms used in Mining field like...
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