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Geophysical Exploration, Blasting Parameters, and Fragmentation in QuarriesBy Ivan Kovac, Pero Marjanovic, Branko Bozic
"The paper deals with results of geophysical survey of the rock masses, and the blasting parameterswhich have effect on the fragmentation in quarries . A relationship between the burden, which is the
Jan 1, 1999
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Outdoor Magazine Construction & SecurityBy Walter Jr Duke
The security of explosive materials is a vital concern to every mine, quarry and contractor engaged in blasting. Proper construction of magazines and sufficient locking mechanisms are the fundamental
Jan 1, 1991
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Transient Vibration and Complaints an Emperical Study of Coal Mine DetonationBy Gerald R. Coonan
Laboratory research is being conducted to substantiate suggested levels for voluntary standards on human response to transient vibration. The application of those findings to actual field conditions,
Jan 1, 1982
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The Electronic Detonator, Security, Handling, Effectiveness and GeophysicsBy Detlef Sulzer, Winfried Rosenstock
"At the end of this century a great breakthrough in the field of blasting technology is finally going tobecome reality. That, in the true sense of the word, is the long expected and desired “HighTechn
Jan 1, 1999
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Blasting Practices at the Fording River OperationsBy Murray B. Lytle
The Fording River Operations of Fording Coal Ltd. in southeastern British Columbia is producing 45 million long tons of clean metallurgical coal for shipment to the Japanese steel industry on a 15 yea
Jan 1, 1978
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Production Blasting and the Development of Open Pit Slopes (8e693b17-abb0-4b98-9d31-35dc00c5ce79)By John P. Ashby
Production blasting is a process of destruction of rock masses in order that ore may be extracted. Many open pit operations are faced with the apparently conflicting requirements of providing large qu
Jan 1, 1980
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Control Blasting at Sherman MineBy Peter N. Calder, John N. Tuomi
The development of a successful control blasting program for an open pit iron mine in hard jointed rock is described. The objectives and mechanics of control blasting are discussed. Design and impleme
Jan 1, 1980
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Safety Talk - Misfires: Don't Overlook the Safety if FlaggersBy Larry Schneider
In the construction field and to a lesser degree in mining, flagman are often necessary to move traffic and or pedestrians through work zones. Everyone readily recognizes that they are essential for t
Jan 1, 2004
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Study on System of Fracturing Rock Result from Dynamic Water Pressure by ExplosionBy Qingshou Chen, Gongbo Li, Hengqian Ran
A method for safe fracture of rock, concrete and other brittle solid material using dynamic water pressure by explosion is provided. The propagation of the pressure is studied with Allievi water hamme
Jan 1, 2000
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Improvements in Blasting Technology at Cliffs Natural ResourcesBy Scott Giltner, Allan Koski
Blasting is one of the lowest cost yet most critical parts of the mining cycle. This paper discusses the findings of an audit conducted on the blasting operation at an iron ore mine. The purpose of th
Jan 1, 2009
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Blasting Procedures at the Republic MineBy R C. Berglund
Since the Republic Mine began production in the mid 1950's, drilling and blasting practices have continually changed. In recent years, progress has been achieved through the development of more precis
Jan 1, 1980
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Analysis of the Rock Mass by Geophysical MethodsBy France Goupil, Richard Barabe
In 1987, a large company reopened its quarry located in a very dense urban area in Montreal-East. This reopening occurred after a long period of inactivity during which houses were built within 200 fe
Jan 1, 1992
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Fragmenting Oversize BouldersBy J Mensah, G C. Sen
Often large boulders of rock have to be fragmented in civil or mining engineering operations. These oversize boulders are encountered after primary blasts in both surface and underground excavations o
Jan 1, 1989
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The Evolution of Loading 4 1/2 Inch Diameter Upholes at Kidd Creek No. 1 MineBy R Malo, A Yetter
The use of large diameter blastholes for underground mining began approximately twelve years ago and are now routinely employed in a variety of ore types and stope designs. These large boreholes, rang
Jan 1, 1984
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The Application of Likelihood Ratio Test to Blast Vibration AnalysisBy W. J. Birch
The dedicated documenting of blast design and vibration monitoring results forms part of the best practice methodology for today’s blasting operators. This allows regression curves to be constantly up
Jan 1, 2004
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Blasting SafetyBy Thomas E. Lobb, Harry C. Verakis
Significant progress has been made in the reduction of serious injuries and fatalities resulting from mine blasting operations. Despite the progress, injuries and fatalities continue to occur. A leadi
Jan 1, 2005
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The Calculated Risk of Experiencing a Lightning Caused Unplanned DetonationBy Lon D. Santis
This paper presents data and theorem to calculate the risk of experiencing undesirable lightning related events while blasting or while engaged in other lightning sensitive activities. The paper provi
Jan 1, 1998
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The Use of Slow Motion Video to Analyze Surface BlastsBy David W. Zeeb
The use of an ordinary VHS video camera and a four-head player can be an effective tool to analyze surface blasting. The necessary equipment can be purchased for under $1,300 and will allow frame by f
Jan 1, 1992
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Hydro Blasting of BouldersBy Callie Covert
This paper describes the application and results of a more efficient method of breaking boulders using dynamite and water. This method is being used for the disposal of boulders that result from pinna
Jan 1, 2001
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Computer Design and Field Application of Sub-Seam and Multi-Seam Blasts in Steeply Dipping Coal SeamsCoal strip mine operators in Western Canada often mine steeply-dipping multiple coal seams in mountainous terrain. The ability to fragment the rock waste layers above and below these seams with minimu
Jan 1, 1985