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"Synchronized Blasting Demolition of Workshop and Chimney under ComplicatedConditions"
By Jun Yang, Zongshan Zou, Mei Qu, Jianjun Zuo
For technical renovation of the thermal plant, one frame structure workshop of 50,000 m2 (59,800 yd2) construction area and one reinforcement concrete chimney of 150m (492 ft) height shall be demolish
Jan 1, 2016
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Field Application of Destructive Wave Interference
By Kurt Oakes, Paul Worsey, Braden Lusk, Tony Brasier, Scott Crabtree, Randy Wheeler
Theoretical description of destructive wave interference and the use of sacrifi cial holes is included and is supported by data collected at Springfi eld Underground. Finally, the process by which the
Jan 1, 2008
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A New and Reliable Technique for Safely Removing Underground Rock Hang-ups
By Brian Micke, Mick Gavrilovic
The problem of rock hang-ups in underground mining operations has been a continuing one since the days of the “hang-up man”. This position commanded the highest pay of any underground worker in many h
Jan 1, 1999
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Blasting in Congested Areas
By David Miller, James Santoro
Blasting is often required in urbanized areas to allow for economical execution of construction, demolition, and mining. Several examples of operations that require blasting in built up areas include
Jan 1, 2000
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Strategic Public Relations for Underground Conservatory at Tennessee Governor’s Residence
By Jake Hutchison, Wade Hutchison
The opposition to the project has risen as a result of some political pressures and from public perceptions about the project’s necessity and its impact on the neighborhood. As a result of this contro
Jan 1, 2009
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Analysis of Parameters of the Ground Vibration Produced by Bench Blasting at a Boron Open Pit Mine in Turkey
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Mehmet Aksoy, Kagan Ozdemire
With increasing environmental constraints on the levels of disturbance induced by blasting operations upon nearby residents, there is an increasing need to be able to design cautious blasting with gre
Jan 1, 2005
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Case History: Controlled Demolition of a Reinforced Concrete Structure in San Sepolcro, Italy
By Roberto Folchi
This note deals about the controlled demolition work for the dismantling of an industrial structure in San Seplocro, Italy. The structure to be demolished, the FLOWERS SILOS, consisted in a multilevel
Jan 1, 1994
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Large Diameter and Deep Hole Presplitting Techniques for Safe Wall Stability
By Sam Bang Jr, Rodney Burke
As mining progresses in the West, the depth of material has increased, making highwall stability a major factor in safety and production. The Jim Bridger Coal Mine’has made highwall stability a priori
Jan 1, 1998
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"Journal: GPS Signal Accuracy Improves"
By Larry Schneider
Are you one of the thousands of hunters, fisherman, or hikers who purchased handheld GPS systems over the past several years and then been disappointed in their accuracy and performance. Or maybe you
Jan 1, 2001
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Deep water excavation with shaped charges: a case history in Lake Mead, Boulder City, Nevada, USA
By Roberto Folchi, Hans Wallin
Lake Mead, the largest man-made reservoir in the United States, is located about 30 miles southeast of Las Vegas, Nevada. For the construction of Lake Mead third water intake, which is entirely placed
Jan 1, 2012
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Blasting on Logging Roads (British Columbia, Canada)
By Raymond Chenier
British Columbia (BC) is Canada’s most western province. The landscape in BC is amongst the most beautiful and pristine in the world. Along with its beauty come vast mountain ranges, coastal rain fore
Jan 1, 2001
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Thermodynamic Work Principal Overture — Not Just Rock n’Roll
By Michael Wieland
The resolving capacity of the thermodynamic work-principal model has been seriously refined over its twelve year history, so a review of the innovations, wrong turns and their rectification is warrant
Jan 1, 2009
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Blast Vibration Analysis, the Fourier Transform and Delay Effects on Frequency
By Randall M. Wheeler
"Fourier analysis is a very powerful frequency analysis tool. However, it is frequently misunderstood and sometimes used inappropriately. Part of this workshop will involve the basics of Fourier serie
Jan 1, 1998
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Effect of Meteorology on Airblast Overpressure
By Adrian J. Moore, Alan B. Richards
Airblast overpressure levels can commonly be increased by up to 20 decibels (dBL) by the effects of meteorology, due to inversions and wind shear. Existing atmospheric refraction models can provide a
Jan 1, 2005
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Metafex®: Safe, Energetic Explosive Replacements
By David Davison
Metafex®* is an inert material that is more energetic than explosives when activated. Because Metafex is inert until activated (a moment before use), it can profoundly change the logistics of systems
Jan 1, 2006
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Near-field Blast Vibration Response of Sensitive Pipelines
By C. Sawmliana, P. Pal Roy
Near-field blast vibration response of restrained pipelines either buried or exposed was studied during rock excavations at sensitive locations for Stage-II (4x500 MW) commissioning work in a super th
Jan 1, 2001
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Modeling and Optimization of Wall Damage in Underground Stope Blasting
By Abraham Lindo
"Blasting plays a key role in hard rock underground mining. It is by nature a violent and destructiveextraction method designed to economically fragment the rock into a suitable size for it to be load
Jan 1, 2016
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Need of an International Code on Explosives and ISEE Role in Developing it
By Roberto Folchi, Hans Wallin
Having so many norms and technical content of legislation to deal with is a problem that an explo-sives engineer has to face, especially when working at an international level. Each country has its ow
Jan 1, 2015
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Structural Response of Brick Veneer Houses to Blast Vibration
By Adrian Moore, John Wilson, Alan Richards, Emad Gad
Project C9040 – ‘Structure Response to Blast Vibration’, funded by the Australian Coal Association Research Program (ACARP), involved the investigation of the structural response from blast vibration
Jan 1, 2003
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Immediate Internet distribution of vibration data from the historic Byward Market, Ottawa, Canada
By Robert Lee, Jeff Corace, Rob Cyr
Blasting in the heart of the historic Byward Market District of Canada’s capital, Ottawa, presents a unique set of challenges. The obvious difficulties arising on projects requiring blasting within 3
Jan 1, 2006