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Damage Levels for Reinforced Concrete Columns Subject to Internal Explosive ChargesBy I. Petropouleas, J. Croll, R. Bassett
A programme of tests on controlled internal explosions to a class of circular reinforced concrete columns, has allowed the relationships between the blast energy and the extent of local damage to be u
Jan 1, 2006
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Implementing Effective Dispute Resolution Techniques in the Explosives IndustryBy E. A. McCullough, Jackson B. C., S. K. Metz
Public perception is a significant challenge facing the explosives industry. The public often perceives that its needs and interests are in direct competition with those of blasting companies’, leadin
Jan 1, 2015
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The Effect of Bench Movement with Changing Blasthole LengthBy Rahim G. Haghighi, Calvin J. Konya
Fragmentation is the fundamental concern of rock blasting, serving as a measure of blasting effectiveness. Fragmentation is sensitive to the inter-relationship among the design variables which define
Jan 1, 1985
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Prediction of Dynamic Response of Ground due to Blast LoadingBy Chang-Ha Ryu, Hyung Yang, Hyung-Sik Yang
Ground vibration by rock blasting causes many environmental problems to adjacent structures and human bodies. Growing concerns have been given to the effects of dynamic loading induced by blasting wor
Jan 1, 2001
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Optimizing Rotary Drill PerformanceBy George P. Jr Schivley
Data is presented showing Penetration Rate (PR) versus Force-on-the Bit (FB) and Bit Angular Speed (N). Using this data, it is shown how FB and N each uniquely contribute to the PR for any particular
Jan 1, 1995
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Fines Reduction Program at the Canadian Salt Company (fdcbe6d6-d49f-4e71-af9e-e1942cd6d9c3)By John M. Bolger, Keith E. McMaster
Excessive salt fines are undesirable in underground salt mining as they are considered a costly waste by-product. This paper describes an extensive explosive application program conducted at The Canad
Jan 1, 1996
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Prediction of Fragmentation Based on Distribution of Explosives EnergyIn situ, most Taconite is heavily pre-fractured; because of the high cost of comminution of taconite, maximum fracture of pre-existing blocks is desirable. Sustained borehole pressure plays a signific
Jan 1, 1995
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The Application of the Super Video Camera and VCR Equipment with Editing Capabilities to the Analysis of Commercial Blasting OperationsBy Floyd W. Crump
New technology in video equipment, such as Super Video Tapes, Super Video Camera Recorders equipped with high speed electronic shutters, and VCR's with editing capabilities make it possible to resolve
Jan 1, 1991
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Mass Blast Blastingng Techniques as Practised at Mount Isa Mines LimitedBy Robert E. Miller
Mass blasting of open stopes and pillars is a normal operating practice at Isa Mine. Three main parameters are used to classify the types of mass blasts. These are type of explosive used, blasthole di
Jan 1, 1980
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A Proposed Method for Remote Area Mass QuarryingBy Pat McLaughlin, J R. (Dick) Daniels
Current practice in establishing quarries in remote areas with hilly or mountainous terrain tends to the use of airtracs (or similar pioneering units) drilling horizontal holes to establish a face, fo
Jan 1, 1995
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Fish Mortality Study During Underwater Blasting Operations in Lake Erie Off Nanticoke, OntarioBy A Lance McAnuff, Robert T. Booren
Construction of a dock facility for the Lake Erie Development Project of Stelco Steel involved underwater blasting in commercial fishing waters near Port Dover, Ontario. The most stringent environment
Jan 1, 1989
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Flyrock Revisited: An Ever-present Danger in Mine BlastingBy Harry Verakis, Thomas Lobb
A great deal of information has been presented and published on the danger from flyrock created from blasting operations. The creation of flyrock is not specific to any one blasting operation. Flyrock
Jan 1, 2007
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Pneumatic Loading of ANFO UndergroundBy J J. F Smith
The application of pneumatically loaded ANFO for underground mining has continued to increase year by year since the technique was first developed and introduced underground during the early 1960's. I
Jan 1, 1982
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Blasting and Ethics – Why Should I Care?By Jim Daly
The word “Enron” has taken on a totally different meaning since its leaders were caught juggling the books, President Clinton’s reputation was destroyed not by what he did but by how he tried to cover
Jan 1, 2007
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High Speed Photography of Stope Blasting in South African Gold MinesBy P A. Gibson, J R. Brinkmann
The South African gold mining industry fires approximately 800 000 sloping blastholes daily. A programme aimed at characterizing the stope blasting process is underway in order to identify areas for i
Jan 1, 1985
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The Evolution of Drilling and Blasting Techniques for Rehabilitation of Lock Walls on the Welland CanalBy Rene A. "Moose" Morin, Craig Copping
Innovative concepts in drilling and blast design have been used to remove deteriorated concrete and have enabled contractors to reduce costs and time on St. Lawrence Seaway rehabilitation projects. Ti
Jan 1, 1986
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The Hercudet Non-Electric System of Blasting - Characteristics and Practical ApplicationsBy Robert B. Hopler
Hercules Incorporated has developed and introduced a totally new non-electric delay blasting cap system which utilizes a low energy gas detonation to activate the caps. Unlike any other initiation sys
Jan 1, 1977
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Effective Construction Blasting Damage ControlBy Earl C. Hutchison, Gene Smith
Extensive blasting was required to construct an underground tunnel for a 90 inch sewerage relief line. The tunnel and required excavation extended under an upper middle-class residential area in Atlan
Jan 1, 1981
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Relating Horsepower to Drilling ProductivityBy Brian Wingfield, Rick Givens, Greg Williams
Many technological advancements have been made in explosive products and applications over the last 15 years resulting in productivity and cost gains. However, the application of total energy (engine
Jan 1, 1996
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Efficient use of energy to control bench damageBy Elias Poulakidas, Marco Arellano
The impact of a higher copper price on the open pit metal mining sector has derived in a faster and safer way in which the mining operation of broken and mineralised material is carried out. In this r
Jan 1, 2008