blasting pattern in opencast mines

Blasting Techniques Used in Underground and

2020-5-29 · Blasting Techniques Adopted in Opencast Mines: Efficient blasting should give such rock fragmentation as to eliminate the need for secondary blasting. The fragmented rock should be easily handled by the bucket of the shovel. For mineral which has to go to crushers, the size should not be more than the input size for primary crusher.

Optimization of Blasting Parameters in opencast Mines

2012-7-5 · 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.

Blasting Pattern In Opencast Iron Mines - syssla.nl

Blasting pattern in opencast mining - trattoriacommercio.it. drilling blasting in opencast iron ore mine. blasting pattern in opencast iron mines . 150270 mm in coal mines 160 mm or above blast hole are used in iron ore mines is . type of drilling iron mining . drilling pattern in an iron ore mine blasting in open cast iron mines smart

-Blasting Pattern In Opencast Iron Mines-

blasting pattern in opencast iron mines This page is provide professional blasting pattern in opencast iron mines information for you we have livechat to answer you blasting pattern in opencast Nine Years of Blasting Experience with Electronic . system for opencast mining in 1993 Entering the blasting pattern onto the computer was not as Years ...

Blast design in opencast mining - LinkedIn SlideShare

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 • Conclusion 3. Introduction • Drilling and blasting is the major unit operation. • Basic

Optimized design of drilling and blasting operations

Cited by: 7

Drilling and blasting powerpoint 2003 - LinkedIn

DRILLING PATTERNS Selection of drilling pattern varies with the type and size of the drill’s used, depth of hole, kind of rock, quantity, rapidity of the explosive & amount of steaming. 13. BLASTING DEFINITION- The process of breaking rocks into smaller pieces by use of explosives. TYPES OF EXPLOSIVES- Explosives based on chemical nature ...

(PDF) ROCK BLASTING FOR MINING - ResearchGate

A. Balasubramanian

(PDF) Selection of Most Proper Blasting Pattern in

According to the obtained results, blasting pattern with the burden of 3.5 m, the spacing of 4.5 m, the stemming of 3.8 m and the hole length of 12.1 m was selected as the most appropriate ...

Optimization of blasting parameters in opencast mines

2020-5-15 · 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 ...

blasting pattern in opencast iron mines zym

safety rules opencast iron mines - pujcovnapsu.cz. Jul 14, 2016· UG Explosives and Blasting 1. K D PRASAD GM(Min)/(Vig) 2. Definition of Explosives : Explosives is a chemical compound or mixture, when exploded by action of heat, impact, gives large volume of gases in a

-Blasting Pattern In Opencast Iron Mines-

blasting pattern in opencast iron mines This page is provide professional blasting pattern in opencast iron mines information for you we have livechat to answer you blasting pattern in opencast Nine Years of Blasting Experience with Electronic . system for opencast mining in 1993 Entering the blasting pattern onto the computer was not as Years ...

Optimization of blasting parameters in opencast mines

2020-5-15 · 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 ...

(PDF) Selection of Most Proper Blasting Pattern in

According to the obtained results, blasting pattern with the burden of 3.5 m, the spacing of 4.5 m, the stemming of 3.8 m and the hole length of 12.1 m was selected as the most appropriate ...

drilling pattern in an iron ore mine - Ristorante Il

iron ore blasting pattern method drilling pattern in an iron ore mine. iron ore blasting pattern method machine in iron ore processing plant, iron ore blasting » Learn More. Find the Right and the Top Blasting Pattern In Opencast Iron Mines for your coal handling plant! , a mining machines manufacturer in china focus on your local ...

Chapter 8 BLAST DESIGN - National Park Service

2014-6-11 · than one face so that simple blasting patterns can be used to remove the rock. In the illustration that follows (Figure 8-4) shows a typical bench cut with two free faces and fired with one delay per row. Figure 8-5 indicates that the direction of throw of the blasted rock can be controlled by varying the delay pattern.

Optimization of Blasting Parameters in Opencast

Manmit Rout, Chinmay Parida

open cast mining explosive and blasting objective ...

Mining objective - SlideShare. Apr 8, 2012 ... Mining Objective Questions Useful for Competitive Examination. ... Which of the following explosive have maximum strength a) ANFO b) TNT c) RDX d) NitroglycerineQ5. ... 70 c d) 80 cQ9 Fly rocks during opencast blasting is controlled by a) Pop .....

Optimized design of drilling and blasting operations

Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages. While previous research has focused on optimizing these operations as two separate parts or merely in a specific parameter, this paper proposes a system dynamic model (SDM) for drilling and blasting operations as an interactive system.

BLAST VIBRATION MONITORING IN OPENCAST MINES

2014-7-28 · 3.4 Drilling pattern 15-16 3.5 Blasting Pattern Followed in Opencast Mines 16 3.5.1 Single row firing pattern 16 3.5.2 Multi Row firing pattern 17 3.5.3 Beside cut pattern other pattern of blasting in multiple row of firing are as given below 18-19 CHAPTER 02: GROUND VIBRATION 4.1 Blast Vibration 21 4.2 Ground Vibration 21

Blast vibration monitoring in opencast mines - ethesis

In this report the blast vibration monitoring techniques is studied. Ground vibration induced by blasting practices in mines has become a serious environmental issue in today’s scenario. Various factors influence the blast vibration being produced from the blasting practices such as the pattern of blasting, drilling pattern, quality and quantity of explosives being used, delay pattern etc.

latest technology in opencast iron ore mine

The machines deployed in the opencast mines, at the crushing and ore preparation plant have to be of matching capacities. At Kudremukh Iron Ore Project, one of the largest opencast mines in India, the capacities of some of the machines are : shovels 10.7 m 3, production trucks 108 te, front end loaders 10 m 3, electric drills for 310 mm dia ...

Prediction of blast-induced flyrock in Indian limestone ...

Flyrock due to blasting in opencast mines is complex in nature as it is a random phenomenon. Raina et al., 2007, Raina et al., 2011 attempted to devise a criterion for prediction of blast-induced flyrock distances and focused on the factors on which the phenomenon of flyrock depends.

Optimization of Blasting Parameters in Opencast

Optimization of Blasting Parameters in Opencast Mines, 978-3-659-24935-8, 9783659249358, 3659249351, Technology, 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 ...

New trends in drilling and blasting technology ...

2018-6-9 · In order to improve performance, the drilling and blasting industry is rapidly adopting technology in all forms. In the modem mines it is very common to encounter the latest forms of laser measurement technologies, global positioning systems (GPS),

Rock Fragmentation by Blasting: Proceedings of the 9th Int ...

2014-4-21 · Rock Fragmentation by Blasting: Proceedings of the 9th Int. Symp. on Rock Fragmentation by Blasting - Fragblast 9, Sept. 2009, Granada Spain (English Edition), 版本: 1, CRC Press, Rock Fragmentation by Blasting: Proceedings of the 9th Int. Symp

opencast iron ore mine planning - baasrodeva.be

blasting pattern in opencast iron mines. blasting pattern in opencast iron minesYouTube. May 6 2016 . (Ekou Iron Ore Mine of Taiyuan Iron Steel Groups Corporation planning and designing blast

Blasting in Mines - DocShare.tips

A total total of 9 research projects have been completed under Coal S&T Grant in the area of blasting in mines. These are listed in table 9. Problems ranging from design of optimum blast pattern to blast induced damages to nearby surface structures have been addressed addressed by the projects.

Explosives and Blasting in (Open Cast Mines) - Mining ...

2019-2-7 · About Copper mining and mining photo from copper mines in India by N G Nair Manager (Mines) Malanjkhand Copper Project. Hindustan Copper Limited, Mining Engineer. First Class Mine Manager. Metalliferous Mines. Gold mine, Lead and Zinc mine,Graphite, Feldspar. Mechanized Under Ground Mines, Mechanized Open Pit Mines. Mining Technology, Mining Software

Opencast coalminingatKrielColliery

2009-8-27 · Planning ofthe Opencast Mine Percentage Extraction When the opencast operations were included inthe planning, the mining area changed its boundaries, but the aerial extent remained almost constant and amounted nowto8901,5ha.Thereserves areshown in Table I,which givesonlyanindication, sincetheareas >:electedforunderground mining and forthe combined