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Simple Models for Gas Flow and Burden Movement During Blasting
By Italo Onederra, Jason Furtney, Ewan Sellers
The detonation reactions occurring during rock blasting result in high pressure gas phase products from the condensed explosives typically used in mining applications. After detonation and the initial
Jan 1, 2012
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The Development of Low Shock Energy Ammonium Nitrate Based Explosives and their Applications
By Jaki Wilson, Les Armstrong, Neville T. Moxon
Low shock energy ANFO (ANFO) mixtures have been developed for use in fragmenting weak overburden materials and reducing damage.outside the blast zone in dry conditions. These mixtures can be readily p
Jan 1, 1990
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Effects of Accurate MS Delays on Productivity, Energy Consumption at the Primary Crusher, Oversize, and Ground Vibrations and Airblast
By James W. Reil, Douglas A. Anderson, Steven L. Burchell
A total of 26 full-scale production blasts at three sites were extensively monitored with sophisticated instrumentation systems to determine the benefits of "ore. accurate detonators. The new and "ore
Jan 1, 1989
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Tigerwin Code, Thermodynamics and Detonations
By Pr-Anders Persson
This chapter deals with the concepts of shock waves and detonation waves together, because a detonation wave is really a shock wave, supported by the explosive reaction that the shock wave ignites and
Jan 1, 1995
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A Simple Method of Determining Site-Specific Safe Decking Procedures in Order to Avoid Dynamic Pressure Issues When Decking
By Neal Lee, Braden T. Lusk, Brendan McCray
Determining the minimum amount of inert material that can be used between explosive columns is a complex problem. Using too little inert material can result in detonator/primer failure, either by symp
Jan 1, 2016
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Journal: 100 Years / THE ENGINEERING AND MINING JOURNAL New York July 27, 1907 / Shot-firers, and Evils of Solid Shooting
By George Harrison
A great many labor leaders and others advocate shot-firers as the acme of relief for all the dangers connected with solid shooting, and where large quantities of powder are used in one blast in coal m
Jan 1, 2008
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Underwater Blasting and Train-induced Ground Vibrations on 80 Years-old Building
By Paulo José Costa Couceiro Junior, Manuel Lopez Cano
In 2011, two historic outcrop rocks known as Teffé and Itapema located in the navigation channel of the Port of Santos, Brazil (Latin America’s largest port) – were excavated by drilling and blasting
Jan 1, 2016
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Advanced Technology for Blast Design, Execution & Assessment
AQUILA Mining Systems Ltd., designs, develops and delivers systems for measurement, analysis, simulation, control and automation to the mining, construction and petroleum industries. The objective of
Jan 1, 1994
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Recent Projects - Perfect Landing Hyatt Regency Hotel Razed for Airport Expansion
By Brent Blanchard
Dallas/Fort Worth Airport recently took a major step in its fiveyear expansion project with the explosive demolition of the Hyatt Regency Hotel West. Built in 1965, the Hyatt Regency held the distinct
Jan 1, 2003
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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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Portable, Multi-Channel and Continuous Velocity of Detonation Recorders
By Jackson R. Pressley, Bruce Vandenberg
An explosive’s velocity of detonation, (VOD), can be used to indicate a number of important characteristics regarding the product’s performance, under specific field and test conditions.
Jan 1, 1997
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Effects of Accurate MS Delays on Productivity, Energy Consumption at the Primary Crusher, Oversize, and Ground Vibrations and Airblast
By James W. Reil, Douglas A. Anderson, Steven L. Burchell
A total of 26 full-scale production blasts at three sites were extensively monitored with sophisticated instrumentation systems to determine the benefits of more accurate detonators. The new and more
Jan 1, 1986
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New Technology in Vibration Measurements, Analysis & Data Management
By D T. Froedge
The latest development in vibration measurement equipment involves small microcomputer operated micro-sized seismographs. As the result of this there has been an explosion of the data generated by the
Jan 1, 1994
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Natural Causes vs. Blasting Damage (0f5bd837-c817-4297-aa85-2fe7a4624b9b)
By Earl C. Hutchison, Wade C. Hutchison
T 0 effectively evaluate property damage that is claimed to have been caused by blasting activities and in order to lay the proper foundation to build the best legal defense, identification of the act
Jan 1, 1995
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Blasting with a Spherical Charge at Serra Geral Mine
By Marcello Crispi, Valdir Silva, Juarez Moraes
Companhia Vale do Rio Dote - CVRD is the largest mining company in Brazil and the largest iron ore producer in the world. Serra Geral Mine (SGM) is located at Iron Quadrangle of the State of Minas Ger
Jan 1, 2002
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Effects of Electronic Detonators in Underground Tunneling Applications
By Charles Zdazinsky
Over-break is undesirable in underground civil construction because it excessively damages rock along the perimeter of the tunnel, which directly influences the cycle times of advancement. A quicker c
Jan 1, 2015
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Utilization of Near-Source Video and Ground Motion in the Assessment of Seismic Source Functions from Mining Explosions
By Brian W. Stump, David P. Anderson
Identification of seismic events detected under a Comprehensive Test Ban Treaty requires a clear physical understanding of the different types of seismic sources including mining explosions, rock burs
Jan 1, 1995
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Explosion Hazard Assessment - In Accordance with European Directive 96/82/EC "Seveso II"; Iso-Damage Areas Due to Accidental Explosion
By Roberto Folcht
The obligations of the European Directive 96/82/EC on the control of major accident hazards, the so-called Seveso II Directive, became mandatory within the E u ropean Member States February 3, 1999. E
Jan 1, 2004
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Shock Pressure Transmission Characteristics in a Granitic
By Rakesh Raghavaraju, Bibhu Mohanty
Prediction of fracture and fragmentation characteristics of a rock mass subjected to dynamic loads, such as in blasting remains a major technical challenge. The present study is aimed at characterizin
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Ground Motions from and House Response to Underground Aggregate Mining
By Professor of Civil and Environmental Engineering Northwestern University, Mike Wladron, Gordon Revey
A unique judicial opportunity allowed measurement of the response of three cracks in residential structure to blasting for underground aggregate mining. Instrumented cracks were located in the interio
Jan 1, 2007