COMPLETE BLASTING TERMINOLOGIES ( PART - 2 )
Cartridge - An individual closed shell, bag, or tube of circular cross section containing explosive material. Cartridge Count (Stick...
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Raghav Prasad Dubey
Apr 20, 20213 min read
COMPLETE BLASTING TERMINOLOGIES ( PART - 1 )
Air Blast - the airborne shock wave or acoustic transient generated by an explosion. Ammonium Nitrate - The ammonium salt of nitric acid...
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Siddharth Urmaliya
Apr 17, 20211 min read
ROCK BREAKAGE
Chapman-Jouquet plane for Rock Breakage 🪨 🪨 🪨 🪨🪨 🪨 🪨 🪨 The space is Bounded by two infinite planes. Exploded region(shock wave)...
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Prashant prajapati
Apr 16, 20211 min read
What is PRODUCTIVITY, it's Meaning and Measurement
PRODUCTIVITY pro·duc·tiv·i·ty Latin Origin /ˌprōˌdəkˈtivədē Productivity is the commonly relation between the output volume and the...
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Ankit kerketta
Apr 9, 20211 min read
Roof Bolt Principles
•Bolt acts on the basis of three principles:- 1) Suspension effect:-. The immediate layers of roof are held by anchorage(लटकाना) from a...
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Prashant prajapati
Apr 9, 20211 min read
Difference between UNSAFE ACTS, UNSAFE CONDITIONS, NEAR MISS and ACCIDENT
UNSAFE ACTS, UNSAFE CONDITIONS, NEAR MISS and ACCIDENT
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Ankit kerketta
Apr 8, 20211 min read
Roof bolt & its components
Roof Bolt:- It is made of MS or TMT steel bar & fixed in a hole by drilling vertical in roof & it grips the strata & support the...
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Prashant prajapati
Apr 7, 20211 min read
About BREAK DETECTORS
BREAK DETECTOR It is used to detect cracks or breaks in blasting hole in U/G Mines. Regulation require that no shot hole shall be charged...
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Apr 7, 20211 min read
CLASSIFICATION OF EXPLOSIVES AND ACCESSORIES :
CLASS 1 - GUN POWDER CLASS 2 - NITRATE MIXTURE (EXAMPLE- GN/1 , POWERFLO, GODYNE, PENTADYNE ETC.) CLASS 3- NITRO COMPOUNDS. EXAMPLE-...
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Abhishek Sahu
Apr 6, 20211 min read
HOLE UTILISATION FACTOR
It is the ratio between length of advanced face to the Length of drilled hole. In drilling technology we consider a important factor to...
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Ankit kerketta
Apr 5, 20211 min read
Difference b/w Low & High Rank of Coal
Low Rank coal. High Rank coal •Low carbon • High carbon content content •Low calorific ...
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Siddharth Urmaliya
Nov 10, 20201 min read
Contiguous Seam Extraction⛏
Contiguous Seam Extraction Parting Between two seam less than 9 mtrs but more than 3 mtrs.. TOP Seam ------------------------------------...
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Siddharth Urmaliya
Oct 25, 20201 min read
Open PIT & Open CAST Mining??
Open PIT & open CAST mining Open pit or open cast mining is usually employed to exploit a near surface deposit or one that has a low...
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Prashant prajapati
Oct 21, 20202 min read
What is DETONATORS?
Detonators are use to detonate or initiate high explosive by producing detonation wave. Detonators have tube like structure, made up of...
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shivank pandey
Oct 21, 20201 min read
What is COAL ? And It's Rank?
Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is world's leading...
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Ankit kerketta
Oct 20, 20201 min read
what is Mining??
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam,...
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