final wall blasting in open pit mines

Copper Mine Open Pit Blasting Explosion - YouTube
Copper Mine Open Pit Blasting Explosion - YouTube

Mar 18, 2017· Open pit blasting at a copper mine in Nogorniy Kharabahk Just a small playlist of blasts' from the copper mine that I work at

Know More
Summary of Surface Blasting and Damages with Analysis of ,
Summary of Surface Blasting and Damages with Analysis of ,

Mar 24, 2015· Blast Damage Mechanisms at Ekati TM Mine by Peterson (2001) The EkatiTM Diamond Mine is located in the Northwest Territory, Canada The study was done to determine the quality of the final pit wall using the presplit blasting technique As a part of the study, vibration and gas penetrating equipment were set up and a total of 3 blasts were .

Know More
STORRE: Final Wall Stability in Metal Open Pit Mines Using ,
STORRE: Final Wall Stability in Metal Open Pit Mines Using ,

Thus, the role of creating stable mine walls is crucial to safety and general operations of mines and any effort to optimize this process has great economic value for mine operators This paper aims to illustrate the technical aspects of use of the successful presplit blasting method in metal open pit min

Know More
Blasting damage in rock
Blasting damage in rock

the `tension fractures' frequently observed in open pit and strip mine operations where poor blasting practices encourage pit wall instability McIntyre and Hagan (1976) report vertical cracks parallel to and up to 55 m behind newly created open pit mine faces where large multi-row blasts have been used

Know More
Hollinger open pit operational support - SRK
Hollinger open pit operational support - SRK

The Hollinger Open Pit, one of Goldcorp’s Porcupine Gold Mines, is situated in the gold-mining City of Timmins, in northern Ontario, Canada The Porcupine Camp, located above a sequence of Archean basaltic volcanic rocks, led to the establishment of Timmins

Know More
Design of openpit mining - SlideShare
Design of openpit mining - SlideShare

Mar 13, 2012· DESIGN OF OPENPIT MINING I Satyanarayana, MTech,MBA,MCADy Manager, Project Planning, SCCL, [email protected], , Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising

Know More
Open-pit mining - Wikipedia
Open-pit mining - Wikipedia

Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall miningOpen-pit mines are used when deposits of commercially useful ore or rocks are found near the surface

Know More
Predicting Blast-Induced Damage for Open Pit Mines Using ,
Predicting Blast-Induced Damage for Open Pit Mines Using ,

Blasting is the most common method used to fragment rock in the mining industry However, given the violent nature of explosives and the high variability of results that can occur from blast to blast, there is potential to cause significant damage to the final walls of an open pit, which can

Know More
Analysis of Safety Aspects And Mining Practices For ,
Analysis of Safety Aspects And Mining Practices For ,

decreasing the pit width and lowering the overall slope angle by use of a spoil bench Mining Practice Controlled blasting methods are commonly used in Australian mines (6) to maintain pit wall stability The methods include cushion blasting, pre-splitting, post-splitting, and using them with production blasts

Know More
Blasting Drilling of Open Pit Mining - Hardrockdrills
Blasting Drilling of Open Pit Mining - Hardrockdrills

Oct 23, 2018· Blasting Drilling of Open Pit Mining Blasting Drilling of Open Pit Mining October 23, 2018 Lecture Overview Introduction; , Stability of steepness of wall Important economic factor; Geomachenical considerations; Efficiency , Open pit Simple basic geometry; Open to the atmosphere;

Know More
Modified Ritchie Criteria Archives - International Mining
Modified Ritchie Criteria Archives - International Mining

24th February 2019 Environmental, Explosives and blasting, Mine operation news, Mining events, Mining services, Mining techniques, Precious metals Barrick, Carlin Trend, gold, Goldstrike, Modified Ritchie Criteria, Nevada, SME Annual Conference & Expo, Steepening Of Inter-ramp Slopes On A Final Wall At The Goldstrike Open Pit Daniel Gleeson

Know More
Surface Mine Blasting - Office of Surface Mining
Surface Mine Blasting - Office of Surface Mining

SURFACE MINE BLASTING Proceedings: Bureau of Mines Technology Transfer Seminar, Chicago, IL, April 15, 1987 Compiled by Staff, Bureau of Mines ABSTRACT The Bureau of Mines has sponsored a comprehensive research program to enhance the safe, effective, and efficient use of blasting technology by the mining industry

Know More
FINAL WALL STABILITY IN METAL OPEN PIT MINES USING ,
FINAL WALL STABILITY IN METAL OPEN PIT MINES USING ,

presplit blasting The latter technique has become the most widely used in metal open pit mines, due to good results and its operational nature in hard rock formation PRESPLIT BLASTING Presplit blasting is an effective technique for stabilizing the final wall in open pit metal min

Know More
Improved Blasting and Bench Slope Design at the Aitik Mine
Improved Blasting and Bench Slope Design at the Aitik Mine

Improved Blasting and Bench Slope Design at the Aitik Mine P-I Marklund Boliden Mineral AB, Sweden J Sjöberg Vattenfall Power Consultant AB, Sweden F Ouchterlony Swebrec at Luleå University of Technology, Sweden N Nilsson Nitro Consult AB, Sweden Abstract The Aitik open pit mine, located in northern Sweden, currently faces a substantial production increase.

Know More
Controlled blasting in an open-pit mine for improved slope ,
Controlled blasting in an open-pit mine for improved slope ,

A case study is presented where a controlled blasting programme (presplitting) was adopted in an open-pit copper mine in order to improve the stability of the resulting cut slop The aim was to reduce over break and minimize damage to the final pit walls from production blasts

Know More
Blasting Safety – Revisiting Site Security
Blasting Safety – Revisiting Site Security

The bounds of the blast area were not adequately determined for this blast In a coal mine blast, flyrock traveled 900 feet and landed beyond the permit boundary causing a fatal injury [MSHA, 1990a] During a construction blasting operation near Marlboro, NY, flyrock was showered on passing motorists on Route 9 W about 180 feet from the blast pit

Know More
Highwall Pushback Fractured Conditions - Pacific Blasting
Highwall Pushback Fractured Conditions - Pacific Blasting

We successfully designed a highwall controlled blasting system that extended the life of an existing open pit mine by facilitating the recovery of additional gold In addition to completing the design of the blasting system, this project also involved controlled drilling and blasting for the final wall configuration

Know More
FINAL WALL STABILITY IN METAL OPEN PIT MINES USING ,
FINAL WALL STABILITY IN METAL OPEN PIT MINES USING ,

FINAL WALL STABILITY IN METAL OPEN PIT MINES USING PRESPLIT BLASTING Create an account; Log in; Shopping cart (0) You have no items in your shopping cart , FINAL WALL STABILITY IN METAL OPEN PIT MINES USING PRESPLIT BLASTING FINAL WALL STABILITY IN METAL OPEN PIT MINES USING PRESPLIT BLASTING $2000 .

Know More
Optimization of Blasting Parameters in opencast Mines
Optimization of Blasting Parameters in opencast Mines

optimization of blasting parameters in opencast mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by manmit rout & chinmay kumar parida under the guidance of dr h b sahu department of mining engineering national institute of technology rourkela-769008

Know More
Wall Control Blasting in Open Pits - onemineorg
Wall Control Blasting in Open Pits - onemineorg

Presplit and trim blasting are two control blasting techniques used to accomplish this Both techniques are designed to create a low explosive energy concentration per unit of wall area at the perimeter of the pit Energy concentration of the main production blast must also be controlled to avoid damaging the final pit wall

Know More
Measurement of blast damage - Office of Surface Mining
Measurement of blast damage - Office of Surface Mining

Measurement of blast damage , In surface mining, blast damage has a significant im­ , In open-pit blasting, the number of free faces and the confinement of the last two rows of holes to be fired are factors to be noted, as well as the relative direction of the blast in re­ .

Know More
17th Evolution of Blasting Practices at the Ekati™ Diamond ,
17th Evolution of Blasting Practices at the Ekati™ Diamond ,

Evolution of Blasting Practices at the Ekati™ Diamond Mine , 23 Wall Control Blasting Open pit development commenced at the 458 to 465m elevations above sea level, and will conclude , blasting against the final wall During the pre-stripping phase there was little attention paid to wall

Know More
Improving Double Bench Face Performance at the Ekati ,
Improving Double Bench Face Performance at the Ekati ,

escaping the catch bench and increases the overall strip ratio The generally utilized process of trim blasting also can impact on the final bench profile by contributing to blast damage of the face BHP Billiton Diamonds Inc, Ekati Mine Diamond MineTM, has pioneered the usage of a technique that eliminates this offset

Know More
final wall blasting in open pit mines - ecole2baseballfr
final wall blasting in open pit mines - ecole2baseballfr

Blasting induced vibration is one of the fundamental problems in the open-pit mines and intense vibration can cause critical damage to structures and plants nearby the open-pit mines, especially to the final pit wall's stability

Know More
Final Wall Stability In Metal Open Pit Mines Using ,
Final Wall Stability In Metal Open Pit Mines Using ,

Request PDF on ResearchGate | Final Wall Stability In Metal Open Pit Mines Using Presplit Blasting | Implementing stable final pit walls in open pit mines during the open pit designing phase and .

Know More
THE TELLNES OPEN PIT MINE, NORWAY Bjørn Nilsen, ,
THE TELLNES OPEN PIT MINE, NORWAY Bjørn Nilsen, ,

THE TELLNES OPEN PIT MINE, NORWAY Bjørn Nilsen, Professor , 2 PIT WALL DESIGN The final pit slope at Tellnes has a bench height of 15 meters and a bench for every 30 , blasting, and before the final wall was established Still, incidents like these illustrate

Know More
final wall blasting in open pit mines
final wall blasting in open pit mines

final wall blasting in open pit mines Blasting induced vibration is one of the fundamental problems in the openpit mines and intense vibration can cause critical damage to structures and plants nearby the openpit mines, especially to the final pit wall's stability

Know More
Innovative Solutions for Slope Instability and Rockfall ,
Innovative Solutions for Slope Instability and Rockfall ,

Mines must incorporate a method of wall control blasting such as pre-splitting or cushion blasting, which buffers the production blast from negatively impacting the walls, thus creating a more com petent highwall and catch bench This practice provides an effective means to maintain the integrity of the final wall

Know More
ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON ,
ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON ,

ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON THE HIGH-WALL STABILITY The stability of the high-walls is one of the major concerns for open pit min Among the various factors affecting the stability of high-walls, blast vibrations can be an important one In general, worldwide the established respective government regulations and industry

Know More
Bonno Mojaki Mojaki - Drill & Blast Manager - Lucara ,
Bonno Mojaki Mojaki - Drill & Blast Manager - Lucara ,

Join LinkedIn Summary A safety and quality-oriented Mining/Blasting Engineer with in-depth knowledge of Drilling & Blasting operations in open pit mining, with proven track record in final wall .

Know More
Get Solutions & Quotation