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Field Study of the Blasting Vibration Stability of Large Natrual Rock PinnaclesBy Robert A. Cummings, Francis S. Kendorski, Charles H. Dowding
During the summer of 1980, a field project was carried out to determine the stability of the beautiful and dramatic natural limestone pinnacles (locally termed "Hoodoos") at Bryce Canyon National Park
Jan 1, 1982
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An Introduction to the Halo EffectBy Paul Worsey, Seokbin Lim
In many high explosive applications, the explosives are covered or clad by a metal. This metal cover may serve a variety of purposes including: 1) to protect and prevent the disturbing or misshaping o
Jan 1, 2005
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Some Aspects of Design and Evaluation of Perimeter Control Blasting in Fractured and Weathered RockBy Andrew F. McKown
Overbreak and damage to rock walls at the perimeter of rock excavation can lead to safety problems due to rock falls and additional costs due to a] extra mucking, b] extra concrete or shotcrete to bac
Jan 1, 1984
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Near-Field Elastic Ground Response Spectra for Multi-Hole Surface ExplosionsBy G E. Frantii
In the exploitation of low grade mineral deposits, blasting engineers are vitally concerned with maximizing the efficiency of explosive fracturing of rock while simultaneously limiting deleterious env
Jan 1, 1977
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Diameter-Effect Modelling in Unconfined Steady Non-Ideal DetonationsBy Paulo Couciero
Since explosives are the source of all energy used for rock blast fragmentation and heave, multidimensional effects in the detonation driving zone become essential to better describe the detonation pr
Jan 1, 2019
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Anatomy of a Blast Muckpile: Influence on Loading Machine PerformanceBy Yves Lizotte, Malcom Scoble, Sanu Hanspal
"This paper reviews the physical, chemical and mechanical components of what is considered to be the anatomy of a blast muckpile. These relate principally to geometry, floor, fragment size and shapedi
Jan 1, 1995
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The Science of BlastingBy Andrew Ritter, Victor I. Montenyohl, Stephen R. Winzer
Thirty-seven open pit production blasting operations have been monitored using high-speed cameras running between 500 and 7000 frames per second. Analysis of the resulting films reveals irregularities
Jan 1, 1979
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Deep Water Blasting on the River Nile in Southern EgyptBy Rob Grant, Manuel Lopez Cano, Mike Briggs, Ken Fletcher
The scorched desert sands and life giving waters of the River Nile in Egypt have been the back drop to awe inspiring engineering feats for over 4,700 years. The latest engineering marvel to grace the
Jan 1, 2004
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Are Electronic Initiation Systems the Unique Answer to Solve Blasting Issues?By Jesus A. Pascual de Blas
After 30 years of development and introduction, electronic initiation systems are now well established in blasting applications, both mining, quarrying and civil works. In terms of blast technology, i
Jan 1, 2019
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Explosive Destruction of an Underground Reinforced Concrete Bunker – Computer Hydrocode Simulation (d38b618a-cd5f-421d-af88-424d08f01edd)By Dale S. Preece
A carefully designed and controlled in-place destruction experiment was performed on a concrete bunker buried in 4.27 m (14 ft.) of soil. The objective was to determine if the explosive charges would
Jan 1, 2007
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Debris Collection Efforts Following a Large-scale AN DetonationBy P. E. Hoffman, Joshua Ph. D.
The Institute of Makers of Explosives (IME) led a post-detonation debris collection project in conjunction with a large AN railcar detonation conducted by the Department of Homeland SecurityTransporta
Jan 1, 2019
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Safety Talk - Training If It's Worth The Time, It's Worht DocumentingBy Ann Barron, Paul Downing
Those employed in the explosives industry must have a keen familiarity of the explosives products they handle, the safety pro c e d u res they must follow, and the increasing number of laws and regula
Jan 1, 2004
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Wave Analysis and Determination of Interference Times to Minimize the Impact of VibrationsBy Carlos Pañura, Michael Geldres, Alejandro Rojas
The vibration waves are produced by the detonation of the explosive charges of each blasthole, analyzing the vibration waves produced by each blasthole, allow us to determine the optimal time between
Feb 1, 2020
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Design and Construction of an Electric Oven to Determine the Detonation Temperature of the FulminantBy Alexander S. Escalante, Luis R. Ramirez, Nelson A. Arostegui
Research, analyze, discuss, design, and build an electric oven to perform one of the quality control tests the fanel or common fulminers to determine what temperatures they can detonate at. Give pract
Feb 1, 2020
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Seismic Modelling Control Of Blasts In A Nuclear Power PlantBy Alain Blanchier, Pascal Bernasconi
Blasting operations took place on Channel coast NW of France to extend Flamanville Nuclear Power Plant (EPR new generation). The closest operating reactor building was monitored by a 24 remote vibrati
Jan 1, 2008
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Critical Blast Design of a New York City Shaft and It's Effect on Vibration ControlBy Eric Reale
The New York City Department of Environmental Protection (DEP) is currently building City Water Tunnel #3 beneath the city. The purpose of this tunnel is to improve water distribution to the city and
Jan 1, 1989
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Optimized Drilling Through AutomationBy Eric C. Gerst
"In this current era of soft commodity and coal prices the mining industry is turning towards optimizingall levels of production to reduce operating costs. Part of this trend includes the automation o
Jan 1, 2017
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A Model for the Study of Energy Focusing from Multiple Explosive ChargesBy Nickolas Vlahopoulos, Nicholas Stowe
A concept has been proposed for the focusing of underwater energy. An array of spherical TNT charges is used to achieve this aim. The goal of the present research effort is to model such a system and
Jan 1, 2012
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Drilling and Blasting on the Ty Nant Project.By Rob Farnfield, Ben Williams
The A5 road in the United Kingdom forms an ancient and well-used route through the hills and mountains of North Wales. In the 1990?s a programme of work was conducted to upgrade the road to modern sta
Jan 1, 2011
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A New Blasthole Location Error Detection and Compensation System for Open Pit MinesBy S. Klerkx, R Battulwar, J Valencia, J Sattarvand, E Emami, M. Soleymani Shishvan
A new technology for energy distribution optimization, supported by NIOSH.
Feb 1, 2020