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Surface Mining Methods and Equipment

Mining Engineering Handbook, 2 nd Ed. 2170 pp., Society for Mining, Metallurgy, and Exploration, Inc. (Littleton, USA). [A comprehensive handbook for mining engineering, including general descriptions of mining practices and many case studies. Also available in a CDROM.] Macdonald (1983). Alluvial Mining, 508 pp., Chapman and Hall (London ...

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Drilling and blasting powerpoint 2003 LinkedIn SlideShare

Apr 21, 2012· BLASTING CAPS DEFINITION Small explosive device used to detonate a larger, more powerful explosive such as dynamite. 20. TOOLS FOR needle bar Dipper Used to drill hole to the required depth. Jumper Used to make blast hole more effective in boring a nearly vertical hole. Priming ...

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Chapter 11 SPECIALIZED BLASTING TECHNIQUES

blasting point, arrange for signals from an observer. b. Work with only one charge at a time. c. Step into blasting position and make final check of target and escape route. d. If not prearmed, arm the charge. e. Clip approximately one inch off the end of the safety fuse and firmly insert the fuse into the ignitor.

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Blasting Accessories

Blasting Accessories * Couplers for Plastic Loading Pole. more. Blastmaster Shear with Case. more. Lowering Hooks for Hydromex. more. Magazine Signs on Rigid Plastic (English French) more. Priming (Powder) Punches (with Handles) more. Sirene mecanique. more. Measuring Tape Reel Only. more. Measuring Tape Fiberglass ...

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Blaster's Training Modules Module 1 Explosives

blasting instructor. DISCLAIMER The technologies described in the module are for information purposes only. The mention herein, of the technologies, companies, or any brand names, does not constitute endorsement by the Department of the Interior’s Office of Surface Mining.

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Blasting LinkedIn SlideShare

Nov 19, 2013· blasting 1. blasting most basic unit operation of any mining activity 2. objective • rock is blasted either to break in to smaller pieces such as in most mining and quarrying operations or large blocks for dimensional stone mining and some civil engineering application, or to create space.

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Controlling the Adverse Effects of Blasting

Surface Mining, Department of the Interior, located in Denver, Colorado. The module is an example of the technical assistance the Federal government furnishes States to assist them in meeting the requirements of the Surface Mining Control and Reclamation Act of 1977, upon which their State surface coal mine regulating programs are based.

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Blasting Safety Training PowerPoint Presentations

The victim was killed after a blast was initiated. He was in a frontend loader about 30 feet from the base of a highwall. After the blast, broken rock struck the frontend loader and covered it. Almost 10 hours after the blast, the rock was removed from the frontend loader and the victim was recovered. 10 slides: Defining the Danger Zone for ...

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Copy of Rock Blasting Fundamentals

the individual blast holes is regulated by the initiation system. zPlastic shock tubes or electric caps using a timing system are generally employed. zA shock tube is nonelectric, instantaneous, and has a thin reactive powder that propagates the shock wave signal. Photograph courtesy of Mining Services International , Inc.

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Blasting Accessories Orica Mining Services

Blasting Accessories * Couplers for Plastic Loading Pole. more. Blastmaster Shear with Case. more. Lowering Hooks for Hydromex. more. Magazine Signs on Rigid Plastic (English French) more. Priming (Powder) Punches (with Handles) more. Sirene mecanique. more. Measuring Tape Reel Only. more ...

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Optimization of Blasting Parameters in opencast Mines

Optimization of blast is dependent on a host of complex factors related to the rock, explosive, initiation, drillhole parameters and their layout. The present work is a step in the direction of developing a suitable blast model, with simple methodologies which can be adapted by the mining industry to achieve better blasting …

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NPTEL :: Mining Engineering NOC:Drilling and Blasting ...

Lecture 28 : Surface blasting1; Lecture 29 : Surface blasting2; Lecture 30 : Surface blast design; MODULE 7. Lecture 31 : Underground blast design1; Lecture 32 : Underground blast design2; Lecture 33 : Blasting results1; Lecture 34 : Blasting results2; Lecture 35 : Blasting results3; MODULE 8. Lecture 36 : Blasting results4; Lecture 37 ...

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Blasting accessories (EM113)

Aug 07, 2013· INTRODUCTION Blasting accessories Various products that are used in blasting, in addition to explosives and initiating devices. Few are consumed in the blast, but most of them are designed to be used in blasting repeatedly. 4.

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Rock blasting for mining LinkedIn SlideShare

Jul 28, 2017· 4 In mining operations, blasting has become a routine work. With proper understanding of the rocks and blasting methods, the mining work can be done effectively. 5. 5 The basic objectives of this report is to highlight the principles and practices adopted in rock blasting operations for mining …

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H BLASTING IN SURFACE EXCAVATION Mining and Blasting

However, secondary blasting is the most expensive type of blasting. Appropriate blast design is important in order to lessen the production of over size. Secondary blasting can be done by pop shooting (blockholing) and plaster shooting (mudcapping). Shaped charges are sometime used in secondary blasting, but this is much more expensive. Cast ...

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Designing Blast Patterns Using Empirical Formulas

Designing Blast Patterns Using Empirical Formulas A Comparison of Calculated Patterns With Plans Used in Quarrying Limestone and Dolomite, With Geologic Considerations By Joseph M. Pugliese Twin Cities Mining Research Center, Minneapolis, Minn . . US Department of Interior Office of Surface Mining Reclamation and Enforcement Kenneth K ...

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Jg CHAPTER BLASTING ROCK •Department

BLAST DESIGN . c•A. trial blast should always be performed. It will either validate the initial assumptions or provide the information needed for final blast design. ~~ The . most critical dimension in blast design is the burden distance as shown in Figure 1 (Fig 131, Text) ct .

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