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Quarry Blasting Management in Urban and Suburban Environment
By Alain Blanchier, Gilles Gomez
Neighborhood pressure on quarries has become urgent to deal with quarry managers and operators must apply the most recent technologies and communicate it for long shelf life time exploitation, the qua
Jan 1, 2009
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Expansion of the Panama Canal
By Tom Treleaven
The widening of the Panama Canal to approximately 130 feet (40 m) for its entire length began just a few years ago. The original expansion program was slated for completion in 18 to 20 years, but has
Jan 1, 1997
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Journal: 100 Years / Engineering News New York January 5, 1905 Methods and Cost of Blasting and Handling Boulders (52912f89-42e4-4811-8c7f-344764181b42)
By Daniel Hauer
Blocking. (5) The “blocking” of boulders is a much cheaper way of breaking them up than “mud capping.” It should always be used in preference to that method except when too much time will be consumed
Jan 1, 2006
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Maximizing Drill Factors in Construction Blasting
By Pat McLaughlin
Blast design in the construction industry has often been based on past practice or powder factors. This is to some extent understandable, since construction projects do not have the longevity of minin
Jan 1, 1994
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Response of Manufactured Houses to Blast Vibrations
By Michael Mann
Two house trailers and a modem modular house, all pillar-supported with cantilevered perimeters, were monitored for structural response to vibrations from surface coal mine blasts. Due to the large bl
Jan 1, 2000
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Civil Tunnelling with Electronic Blasting Systems - Early Experience in Korea
By Dave Kay, Young-Suk Song
To meet the needs of South Korea's rapidly expanding economy, a large number of infrastructure projects are under way to improve transportation efficiency within the nation. These projects include hig
Jan 1, 2005
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Explosive Destruction of an Underground Reinforced Concrete Bunker – Computer Hydrocode Simulation
By Dale 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, 2006
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Monitoring and Prediction of Blast Vibrations : A Case Study
By D Vidyarthi
Blasting is the most important activity in the mining industry, the world over. It is a well known fact that only part of the explosive energy gets utilized in causing the actual rock fragmentation. T
Jan 1, 2007
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Fire and Explosion of a Mobile Explosive Manufacturing Unit
By Jose a. Sanchidrian, Ramon G. Eguren, Javier L. Amigo
On December 2013 a MEMU exploded at a blasting site in Norway, after burning for more than two hours. This paper describes the analyses made to determine the actual yield of the explosion, the lessons
Jan 1, 2016
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Investigations of Shock Tunnel Dynamics and Energy Realization (a197a97d-a574-4dd6-b892-bc2dba4e791b)
By Joshua Hoffman, Braden Lusk, Kyle Perry
This study explores how different geometries affect the shock tunnel’s performance and is broken down into three phases. Phase 1: Open arena testing in which theoretical energies produced by the deton
Jan 1, 2009
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Ground Vibration Attenuation Rate due to Blasting in South Florida
By W. Sharkey Bowers
This study was undertaken in order to determine a conservative estimate of the attenuation rate of vibrations through the shallow limestone in South Florida due to quarry blasting.
Feb 1, 2020
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Data Flow Through the Blasting Process
By Christoph Muller, Geoffrey Liggins, Mohan Hensman
Modern commercial blasting is as much a technical process as it is a business one. As with most processes both aspects of blasting are driven by and generate new data. The time-critical nature of comm
Jan 1, 2010
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Seismograph Calibration - What You Should Know
By Bob Turnbull
The dictionary definition of calibration is: to determine by measurement or comparison with a standard, the corre c t value for each scale reading on a device.1 As a consultant or blast contractor, yo
Jan 1, 2004
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Security and Control (476c288e-1831-4c21-a747-ee41961667e9)
By Jim Mikelait
Overview ?? Why do we need security? ?? Needs assessment ?? Elements to any security system ?? Protect, Detect, Alert, esponse ?? Electronic Security System Criteria ?? Advantages and Limitations of
Jan 1, 2006
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Selection of Powder Factor in Large Diameter Blastholes (9dd28d4c-e692-46ff-9e71-b2043e0b42a0)
By Jack Eloranta
This paper documents the relationship between material handling and processing coete compared to blasting cost. The old adage, "The cheapest crushing is done in the pit", appears accurate in this c!as
Jan 1, 1995
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Percussive Drilling Theory and Practice
By Pat McLaughlin
Environmental constraints are pushing many operators to change from large rotary blastholes to the smaller diameter holes drilled with down-hole or top-hammer rigs. Productivity improvements over the
Jan 1, 1995
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A Classic Experiment with Air Overpressure and Windows
By Charlie Adcock, Rob Farnfield, Andy Wetherelt
The ISEE Blasters Handbook gives guidance on the level of air overpressure likely to cause occasional window breakage (151dB) and general window breakage (171dB). A long-term safe level of 140dB is al
Jan 1, 2006
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The Impacts of Digital Revolution in the Mining Sector. Case of Study: Blasting Operations of a Copper Mine in the Northern of Brazil
By Vitor Fonseca de Barcelos, Jair Carlos Koppe
Our society is experiencing a digital revolution. Technology is demonstrating its significant potential for mining industry. In this paper are presented the measured and estimated impacts of applying
Feb 1, 2020
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The Mechanisms of Rock Damage in Blasthole Open Stope Mining: Blast Induced Versus Stress Induced
By Qian (Ken) Liu, Remi Proulx
A large scale blast damage project was carried out over the past two years at INCO Ltd Manitoba Division co-funded by the Canada/Manitoba Mineral Development Agreement. The experiment was conducted at
Jan 1, 1995
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Blasting and Comminution Choices for the Management of the Mining Business
By Alexandre Passos, Giorgio De Tomi, Tatiane Marin, Dennis Cremonese, Jacopo Seccatore
"In the mining industry, rock excavation is the first phase of the comminution process. Downstreamoperations such as secondary breaking, crushing and milling terminate the process, reducing the size o
Jan 1, 2016