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Optimization of Blasting Parameters in opencast Mines

Manager, Basundra Open cast Project (MCL); Sri M. Majhi, Sr Under Manager, Ananta Opencast Project (MCL) and Sri P. K. Mishra, Under Manager, Kalinga Opencast Project (MCL), and blasting in charge of of Bharatpur Opencast Project for their help in providing the necessary information for the dissertation work. Last but not the least, our sincere thanks to all our friends who have extended all

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Optimization of blasting parameters in opencast mines

Drilling and blasting are the major unit operations in opencast mining. Inspite of the best efforts to introduce mechanization in the opencast mines, blasting continue to dominate the production. Therefore to cut down the cost of production optimal fragmentation from properly designed blasting pattern has to be achieved. Proper adoption of drilling and blasting can contribute significantly

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Blasting In Open Cast Mines Mining

Blasting in open cast metal mines-Henan Mining . ASK MINING: Blasting Practices at Open Cast Mines Mar 02, 2012· Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m

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ASK MINING: Blasting Practices at Open Cast Mines

02/03/2012 Following are some important facts related to blasting practices in open cast mines:-1. Drilling: There are two major types of drilling techniques being used. Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m. Rotary: When the blast hole diameter > 400mm and the depth is about 20m, rotary drilling is used. 2.

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Blast design in opencast mining SlideShare

12/10/2017 1. BLAST DESIGN IN OPENCAST MINES Presented by Gopal Karmakar (Id- 511214015 ) and Jagat kumar (Id- 511214014) Mining Engineering IIEST Shibpur. 2. Outline • Introduction • Drilling • Explosive used in opencast mine • Types of variables in blast design • Blasting patterns used in Indian opencast mines • Concept of optimum blasting

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Blasting In Open Cast Mines Mining

Blasting in open cast metal mines-Henan Mining . ASK MINING: Blasting Practices at Open Cast Mines Mar 02, 2012· Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m

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ASK MINING: Blasting Practices at Open Cast Mines

02/03/2012 Following are some important facts related to blasting practices in open cast mines:-1. Drilling: There are two major types of drilling techniques being used. Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m. Rotary: When the blast hole diameter > 400mm and the depth is about 20m, rotary drilling is used. 2.

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blasting in open cast iron mines

blasting in open cast iron mines; blasting in open cast iron mines. We are here for your questions anytime 24/7, welcome your consultation. Get Price. Blasting Pattern In Opencast Mining Open cast mining blasting in iron ore keywords mining method surface mining open pit mining open cast mining placer mining solution extract minerals rock breakage is usually accomplished by drilling and

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blasting in open cast iron mines

Blasting in open cast iron mines drilling and blasting in open cast iron ore mines china mining open cast iron ore mining processes involvediron ore smelting process using modern blast furnaces although the basic ingredients of an iron ore blast furnace has changed . More Detail blasting in opencast iron ore mines . The mine produces direct shipping iron ore Kolomela Iron Ore Feb 16 2016

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blasting in open cast iron mines dukaltur.pl

06/03/2021 Blasting in open cast metal mines-Henan . ASK MINING: Blasting Practices at Open Cast Mines. Mar 02, 2012 Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m

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Blast design in opencast mining SlideShare

12/10/2017 1. BLAST DESIGN IN OPENCAST MINES Presented by Gopal Karmakar (Id- 511214015 ) and Jagat kumar (Id- 511214014) Mining Engineering IIEST Shibpur. 2. Outline • Introduction • Drilling • Explosive used in opencast mine • Types of variables in blast design • Blasting patterns used in Indian opencast mines • Concept of optimum blasting

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blasting in open cast metal mines domowe-porady24.pl

08/11/2020 Blasting in open cast metal mines-Henan Mining . ASK MINING: Blasting Practices at Open Cast Mines. Mar 02, 2012 Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast

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Blasting In Open Cast Iron Mines

Open Cast Mining Blasting In Iron Ore Bryan D. Blasthole drilling open pit mining 59 blasting in open cut metal mines.69 fuel.137 advanced iron ore mining in ukraine ironukraine.141 steep.Drilling of overburden for cast blasting.Read more. Get Price. Drilling Blasting In Opencast Iron Ore Mine. Kumba iron ore at sishen, near kathu, is a typical examplewned by anglo american, africas largest

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List of Technical Papers Mining and Blasting

Blasting Techniques in Underground Metal Mines ; Tunneling ; Safe Practices of Site Mixed Explosives System ; Blast design for Drifting and Tunneling with Wedge and Burn Cut ; Over Burden Side Casting Advances in Drilling and Blasting Controlled Blasting Explosives, Ground Vibration and Air Blast Explosives and Blasting Blasting of Hot Holes in Opencast Coal Mines Blast Design in Opencast

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Open-pit mining

Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially

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Blasting In Open Cast Mines Mining

Blasting in open cast metal mines-Henan Mining . ASK MINING: Blasting Practices at Open Cast Mines Mar 02, 2012· Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m

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ASK MINING: Blasting Practices at Open Cast Mines

02/03/2012 Following are some important facts related to blasting practices in open cast mines:-1. Drilling: There are two major types of drilling techniques being used. Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m. Rotary: When the blast hole diameter > 400mm and the depth is about 20m, rotary drilling is used. 2.

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blasting in open cast metal mines BINQ Mining

27/02/2013 Blasting In Open Cast Iron Mines Manganese Crusher. Search blasting in open cast iron mines to find your need. blasting techniques in ston metal quarries in india September 14, 2012, Comments Off »More detailed. blasting in open cast iron mines. and blasting operations in open-cast mine Introduction Designing a complex of drilling and blasting works on open cast mines is

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blasting in open cast metal mines quartzgrainplant

ON BENCH PRACTICES FOR OPEN CUT MINES AND QUARRIES Edition 1 November 2015 open pit metal mines and quarries and Edition 1 November 2015 Australian Explosives Industry and Safety Group Code of Practice On Bench Practices for Open Cut Mines and Quarries Page 3 of any scheduled blasting on a mine quarry site . OPTIMIZATION BLASTING DESIGN IN OPEN CAST MINES

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Blasting In Open Cast Metal Mines stempelschlampe.de

Blasting In Open Cast Metal Mines Blasting techniques used in underground and opencast mines ,the blasting is known as or, in short solid blasting. explosive is used along with carrick short delay detonators or coal delay detonators introduction of such blasting in mines needs approval from the d.g.m.s. for exemption under the following regulations: reg. 173- To blast off the solid.

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Blasting Pattern In Opencast Iron Mines

Read more blasting in open cast iron mines blast pattern Mining and Blasting Oct 12 2012· In these cases the firing pattern can be used to control the blast direction in a more favourable direction and improve the blasting result Before drilling the blast direction should be set according to the orientation of the main jointing systems. Get A Price Online Service. Hot products. Our

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blasting in open cast iron mines

blasting in open cast iron mines. Roughly 98 of iron ore on the global market is used in iron and steel production Mining and processing Common methods of extracting the iron ore consist of blasting drilling or general excavating Most iron ore is produced from open pit min After the iron ore is out of the ground it may be shipped to the iron and steel manufacturing...We are a professional

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Blast design in opencast mining SlideShare

12/10/2017 1. BLAST DESIGN IN OPENCAST MINES Presented by Gopal Karmakar (Id- 511214015 ) and Jagat kumar (Id- 511214014) Mining Engineering IIEST Shibpur. 2. Outline • Introduction • Drilling • Explosive used in opencast mine • Types of variables in blast design • Blasting patterns used in Indian opencast mines • Concept of optimum blasting

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blasting in open cast iron mines dukaltur.pl

06/03/2021 Blasting in open cast metal mines-Henan . ASK MINING: Blasting Practices at Open Cast Mines. Mar 02, 2012 Following are some important facts related to blasting practices in open cast mines:-1 Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m

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List of Technical Papers Mining and Blasting

Blasting Techniques in Underground Metal Mines ; Tunneling ; Safe Practices of Site Mixed Explosives System ; Blast design for Drifting and Tunneling with Wedge and Burn Cut ; Over Burden Side Casting Advances in Drilling and Blasting Controlled Blasting Explosives, Ground Vibration and Air Blast Explosives and Blasting Blasting of Hot Holes in Opencast Coal Mines Blast Design in Opencast

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