detonation velosity in blastting mine

detonation velosity in blastting mine

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13.3 Explosives Detonation

The detonation wave from the blasting cap would cause detonation of the dynamite. To make a large hole in the earth, an inexpensive explosive such as ANFO might be used. In this case, the detonation wave from the blasting cap is not powerful enough to cause detonation, so a booster must be used in a 3 or 4 step train.

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blasting principle in open pit mining rar hustrulid pdf

detonation velosity in blastting mine detonation velosity in blastting mine. Blasting is the pillar of open pit mining and is directly influenced by many factors, blasting principle in open pit mining rar hustrulid pdf free; drilling blasting cost in 200tph crusher; bulk mining explosives pty ltd; Obter preo

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Table of explosive detonation velocities

The velocity of detonation is an important indicator for overall energy and power of detonation, and in particular for the brisance or shattering effect of an explosive which is due to the detonation pressure. The pressure can be calculated using Chapman Jouguet theory from the velocity and density.

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Detonation Cord Picatinny Arsenal

Detonation Cord. Detonation Cord consists of a high explosive (either PETN or RDX) core wrapped in a reinforced, waterproof, olive drab plastic coating that transmits a detonating wave. It is used as a detonating agent, a priming agent or alone as an explosive charge. It can be initiated by an electric blasting cap or non electric blasting cap.

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Blasting Injuries in Surface Mining with Emphasis on

The visitor wanted to take a photograph of the blast. The ore was mined by drilling and blasting from shallow multiple benches. The mining company used a blasting contractor for loading and firing the shots. The blast round consisted of 49 holes, 7.6 cm diameter, 3.7 m deep, on a 1.8 m spacing.

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detonation velosity in blastting mine BINQ Mining

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Mining Equipment, Breaking, Drilling Crushing Products Whether you need to excavate, transport or process ore, rock or overburden more efficiently, our comprehensive range of cutting edge surface and underground mining equipment is designed to increase your productivity and boost your bottom line.

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explosives Mining and Blasting

Jun 14, 2018SUMMARY. The higher the detonation pressure, the greater its initiating ability. When priming blasting agents with holes up to 2 1/2 inches in diameter, a full cartridge of high velocity explosives like 60 percent ammonia gelatin, gels, slurries, or cast primers with a blasting cap, is a sufficient charge.

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blast pattern Mining and Blasting

Mar 01, 2019Velocity of detonation (VOD) of explosive is function of Heat of reaction of an explosive, density and confinement. The detonation pressure (unit in N/m 2) that exists at the C J plane is function of VOD of explosives. The detonation of explosives in cylindrical columns and in unconfined conditions leads to lateral expansion between the shock and C J planes resulting in a shorter reaction zone and

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Blasting Terms dep.pa.gov

For transportation, Title 49, Code of Federal Regulations defines a blasting agent as a material designed for blasting that has been tested in accordance with Section 173.114a and found to be so insensitive that there is very little probability of accidental initiation to explosion or transition from deflagration to detonation (U.S. Department

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Velocity of Detonation A Mathematical Model

Trker et al. Velocity of Detonation A Mathematical Model for term, one obtains ineq. 14. formula (14) On the other hand, by multiplying and dividing the numerator of eq. 7 by n, one obtains formula (15) Inserting the right hand side of ineq. 14 into eq. 15 for one gets ineq. 16. formula (16) Ineq. 16 shows that there should be an intricate

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Blasting Design West ia University

In general, the Detonation Velocity (Vd) of the explosive should match, as closely as possible, the Sonic Velocity (Vs) of the rock to be blasted. There is no value in using an explosive which has a Vd greatly in excess of the Vs of the rock (Example) If the rock to be blasted is a hard limestone with a

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detonation velosity in blastting mine

detonation velosity in blastting mine mine drilling blasting and detonation of the technology and the practical application of bench blasting detonation delaying, mine drilling2cblasting detonation

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Explosives and Detonators Mining and Blasting

3.2 Velocity of Detonation (VOD) The velocity of detonation (VOD) is the rate at which the detonation wave travels along an explosive column. The greater the VOD the greater the power or shattering effect of an explosive. High VOD explosives are more suitable in hard rock and low VOD in

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Velocity of detonation of AN base blasting agent with

ANFO explosives and emulsion explosives due to satisfactory detonation properties make the bulk of explosive consumption for blasting in mining industry and open pit excavation in the construction

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explosives Mining and Blasting

Mar 01, 2019SUMMARY. The higher the detonation pressure, the greater its initiating ability. When priming blasting agents with holes up to 2 1/2 inches in diameter, a full cartridge of high velocity explosives like 60 percent ammonia gelatin, gels, slurries, or cast primers with a blasting cap, is a sufficient charge.

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The Sandstone Gold Mine is a gold mine located 6 km south east of Sandstone, Western Australia. It is currently owned by Troy Resources NL. While not a particularly large mine, Sandstone has been very profitable for Troy in the past, having been the lowest cost gold producing mine in Australia in the early 2000s. Get Price >>

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ANFO

ANFO is classified as a blasting agent, meaning that it decomposes through detonation rather than deflagration at a velocity higher than the speed of sound in the material but cannot be detonated with a No. 8 blasting cap without a sensitizer. ANFO has a moderate velocity compared to other industrial explosives, measuring 3,200 m/s in 130 mm (5

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Facilities Mining Engineering The University of Utah

Equipment for measurement of detonation velocity of explosives and field equipment for measurement of environmental effects of blasting. Mine Systems Research Laboratory This facility provides construction and maintenance of instructional and research equipment. A well equipped machine shop and a full time technician provide resources to

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detonation velosity in blastting mine

detonation velosity in blastting mine mine drilling blasting and detonation of the technology and the practical application of bench blasting detonation delaying, mine drilling2cblasting detonation

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13.3 Explosives Detonation

The detonation wave from the blasting cap would cause detonation of the dynamite. To make a large hole in the earth, an inexpensive explosive such as ANFO might be used. In this case, the detonation wave from the blasting cap is not powerful enough to cause detonation, so a booster must be used in a 3

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The shock required to detonate C4 Physics Forums

Feb 25, 2012I searched for it, but I didnt find a certain number. Somewhere I read it's about 4900 m/s of detonation velocity needed to create the shock, but it was from a source I wouldnt trust. As I understand, the shock/detonation velocity of the blasting cap needs to be over the speed of sound in C4 in order to create that shockwave.

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In hole velocity of detonation (VOD) measurements as a

The rate at which the detonation wave travels through an explosive column is called the velocity of detonation. VOD is one of the most important properties of explosives. As the explosive pressure is directly proportional to the VOD of an explosive, VOD measurements indicate the performance of explosive in real time.

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blasting principle in open pit mining rar hustrulid pdf

2019 4 20  detonation velosity in blastting mine BINQ Mining. Dec 01, 2012 detonation velosity in blastting mine Blasting is the pillar of open pit mining and is directly influenced by many factors, blasting principle in open pit mining rar hustrulid pdf free; drilling blasting cost in 200tph crusher; bulk mining explosives pty ltd; Get Price

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blast pattern Mining and Blasting

Oct 12, 2012Rapid the detonation process, the quicker the energy release from explosives mass, in the form of a shockwave followed by gas pressure, is applied to the borehole wall. In other words, faster the detonation velocity of the explosive, quicker is the energy applied to the borehole wall, and for a shorter time period.

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detonation velosity in blastting mine BINQ Mining

Dec 01, 2012blasting Mining and Blasting. Velocity of detonation (VOD) of explosive is function of Heat of reaction of an explosive, density and confinement. Follow Mining and Blasting

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