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BLASTING IN SURFACE COAL MINES Blasting overburden and coal in open pit mines is still considered to be an art. Even though much research has been done in areas related to surface mine blast design and anal- ysis, very little of this research seems to have been applied in blasting practice.
This module presents recommended blast-design practices for surface mine and quarry blasting. 1.3 : Blaster Training Module 4 This module presents aspects of surface drilling that are important to blasting operations. The purpose of drilling into rock is to provide a .
coal mine blasting design - blast-coverband. Determine blast design in an underground coal mine. Performance criteria . 2.1 Blast size and type of initiators to be used are determined in accordance with product required and industry best practice. 2.2 Blast design is determined in accordance with site requirements and safety considerations.
The Explosives and Aggregate Division (EAD) is responsible for the implementation and enforcement of regulations governing aggregate reclamation and blasting under the Surface-Mined Land Conservation and Reclamation Act, coal blasting under the Surface Coal Mining Land Reclamation Act of 1980 and explosive storage and handling under the Illinois Explosives Act.
The team combines their advanced knowledge of drilling and blasting with experience in mine planning and operations to provide a unique turnkey approach to improving drilling-and-blasting operations with a focus on improving overall mining unit costs. RESPEC's drill-and-blast experts have specialized experience in all aspects of blast design ...
SHOTPlus-i® software- blast design software Uni tronic™ electronic blasting system A few design alternatives were evaluated using DMC® model and the optimum design was implemented using SHOTPlus-i ® design software. Pre-blast survey (face points, crest, toe), top of coal and drill surface points were imported to the software. The design
The results of the model can be used to design surface coal blasting patterns following mine production planning and are based on the theory of the open cast blasting as well. ... A Dynamics Model ...
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 ...
DataBlast is a multi-user system covering the entire drill and blast process from design to in-field operations. Electronically transfer data, respond to changes in real time, and generate reconciliation reports. Identify trends and improve blasting performance over time.
Aug 30, 2011· MINE PLANNING AND SCHEDULING - SMART PRACTICES FOR IMPROVING SPEED AND ACCURACY TO ACHIEVE OPERATIONAL EXCELLENCE INTRODUCTION: Strength of a building depends on its strength of its foundation. Same is true for mining as well. As the foundation of all mining activity - a mine plan – most accurately reflects the real-time reality of the.
Mar 13, 2012· DESIGN OF OPENPIT MINING I. Satyanarayana, M.Tech,MBA,MCADy. Manager, Project Planning, SCCL, isnindian@gmail, . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Coal Mining Methods Underground Mining ... bed for explosives, blasting the coal, loading the broken coal into shuttle cars for delivery to a conveyor, and then bolting the mine roof in the ... design is a key to preserving safety in this area. On the other hand, pillars that are too large can ...
typically used in surface coal mining to fracture the rock). After blasting, a dragline, shovels, trucks, or other heavy equipment remove the rocky overburden to expose the coal seam. CITIZENS GUIDE TO COAL MINE BLASTING IN INDIANA Indiana Department of Natural Resources Division of .
Oct 23, 2012· The third part of the DVD covers development drilling and blasting practices; and the fourth part discusses production drilling and blasting. Target Audience Underground mine workers - the .
Rock fragmentation control in opencast blasting. ... fragmentation control, blast design in mines and tunnels, pre-split blast design, cast blast designs in coal mining operations besides correlating structural damage due to blast vibrations. He has authored a blast damage index for underground openings in close vicinity of opencast blasting ...
Coal Mine Planning And Design Pdf. Mine Planning - SAIMM. paper Aids to planning production in coal mines, Dr T. V. Falkie . planning and operation in which it is proposed that the design of mine workings, .
Find mining blast stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. Thousands of new, high-quality pictures added every day.
Appalachia Coal Producer Finds Operational Efficiencies in Cast Blasting. Using existing technology and experience, the DynoConsult team set out to design, load, and safely initiate a series of large overburden blasts at a coal operation having close proximity off site structures.
It is as much a method of pit design and equipment utilization as it is a method of blasting. Cast blasting is a type of blast design which utilizes the surplus explosive energy to move overburden material across the pit. It is most frequently employed in coal mines to remove overburden from above the coal .
Mine background and general information Kriel Colliery (Anglo Coal) is situated on the ... blast, contamination of coal or loss of coal. A simulation was developed in Microsoft Excel to model ... to asses blast design variations. * Department of Mining Engineering, .
tation with new blast design technology and recent developments in both methods and equipment, for potential improvements in blasting practices. This paper out lines surface mine blasting research com pleted since the Bureau's last Technology Transfer seminar on blasting in December 1980. Three programmatic areas--produc
Chapter 8 BLAST DESIGN (Figure 8-2) Staggered pattern (Figure 8-3) Sing ... The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting ... BLAST DESIGN. Blast Design ...
obtaining names and phone numbers of the mine operators. Cast blasting Cast blasting is a type of blast design, that utilizes the explosive energy to move overburden material (rock that covers the coal seam) across the mining pit. Alt-hough cast blasting requires more .
has yet to create a blast design method specifically tailored for large surface coal mine bench blasting. This research examines the typical scale of bench blasting at large surface coal mines, develops a new method of design tailored for these operations, and tests the new method against two widely accepted traditional blast design methods. Novel
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