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Understanding Toxic Fumes from Mining Explosives
By Michael S. Wieland
"Toxic fumes cause fatal andnonfatal incidents in underground mining, where the working environment tends to trap the fumes, hindering the restoration of non-harmful conditions. Workers can underestim
Jan 1, 1997
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Controlling high risk blasting in an urban environment The Airport Link Story
By Rob Domotor
This paper tells the story of using controlled surface and underground blasting methods to excavate hard rock in three areas on Australia’s largest road infrastructure project; the Airportlink Project
Jan 1, 2012
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Alternative Velocity Loading Techniques and Detonations in a Production Environment
A simple and cost effective technique to increase fragmentation and burden velocities without making major modification to the overall blast design is with ALTERNATE VELOCITY LOADING OR BOOSTERING OF
Jan 1, 1989
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Innovations in Presplit Design and Highwall Control Blasting Techniques for Deep Open Pit Coal Mines
By Richard E. Danell
"There are a variety of approaches for wall control blasting in open pit mining operations. Safety forworking in the pit is the principal benefit. There are also a number of economic and productivityb
Jan 1, 1997
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Signature Hole Analysis and Vibration Modeling: An Indonesian Case Study
By Wawa Jaka Sungkawa, Slamet Rachman Jaka, Tom Dermody
Nowadays, with such a focus on environmental protection, surface mining activities have come under pressure to ensure their activities do not adversely affect the local surroundings. As part of the ex
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Soil Cap Density Distributions Resulting from Buried Explosions in Saturdated Sand
By L C. Taylor, H U. Lesiste
This paper describes a method for estimating the density distribution in the soil cap as a function of distance from its top at the time of impact with the target. It provides an estimate of the densi
Jan 1, 2011
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Comparison Modeling - Multiple Seeds versus Single Seed Using the Multiple Seed Waveform (MSW) Blast Vibration Model
By Kameron Ray, Ruilin Yang
This paper compares the modeling results obtained by using a single seed waveform (SS) versus multiple seed waveforms (MS) as inputs to the Multiple Seed Waveform (MSW) blast vibration model. The fiel
Jan 1, 2013
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Trench Blasting Guidelines & Pitfalls
By Vic Sterner
As cities and towns continue to grow, the need to install sewer, water, gas and other utilities becomes a necessity and the blasting of trenches for these service lines probably constitutes one of the
Jan 1, 2004
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Evaluation of the Methods to Determine Constituents of Bulk Commercial Explosives used in the Mining Industry
By Kush Patel, Gary Cavanough
Mining operations consume over 2.5 Billion Australian dollars’ worth of bulk explosives annually (Richardson, 2018). Despite the large volume of product used, current practices only conduct a cup dens
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Techniques for Assessing the Performance of Explosives and Initiating Devices
By A R. Cameron
"The number of commercial explosive products available to the mining industry has been steadilyincreasing and associated with this there has been an increase in the range of characteristics or propert
Jan 1, 1994
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A Numerical and Experimental Study of Static and Dynamic Behavior in Cemented Elastic Disks
By V. Petr, G. G. W. Mustoe, T. G. Rozgonyi
We introduced a numerical method that is applicable for the analysis of static and dynamic deformations of elastic media. In this numerical study, each elastic body is modeled with a system of several
Jan 1, 2000
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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
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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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Digitally Integrating the Blast Design with Remote Wireless Electronic Blasting
By Charles Pretorius
Electronic Delay Detonators (EDDs) with remote wireless programming and initiation capabilities have been successfully used for almost two years now. This system has been used in blasts mainly in Sout
Jan 1, 2005
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A New Generation of Shock Tube Detonators
By John Watson
The earliest known records related to mining document in dramatic terms the fact that mining methods have undergone significant change over the centuries. Wooden wedges, hammers and chisels, “fne sett
Jan 1, 1997
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Laser Profiling and Computer Aided Blast Design using the Criterion Survey System and Win-Profile Analysis Software (b3a04a88-253a-4339-a3ec-70b988aee07d)
By Steve Colburn
The CRITERION Survey Systems utilize both theodolite mounted and hand held reflectorless distance meters. These are eye safe, easy-to-use, and specifically designed to endure the harsh environments ch
Jan 1, 1997
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Interpreting the Accuracy and Validity of Seismograph Recordings
By John E. Wiegand
"We will attempt to explain the basic workings of a modern seismograph and how the recorded data can be interpreted, not only for determining compliance to the regulations, but also in determining whe
Jan 1, 1992
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Recent Projects - Downtown Demolition Dykon “withdraws” 13-story Columbia Bank from Kansas City skyline
By Jack Curran
KANSAS CITY, MO - Performing one of the most impressive urban building-implosion projects in recent memory, Tulsa, Oklahoma-based Dykon Explosive Demolition Corp. and Omaha, Nebraska-based Anderson Ex
Jan 1, 2003
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Borehole Geophone Method for Estimating Tunnel Blast Vibration Propagation
By Kyle Ott, Bernard Daly, Syed Haq, Douglas Anderson, Parsons Brinckerhoff
Drill and blast was determined to be the most cost-effective means of excavating the Raw Water Tunnel (RWT) for the Croton Water Treatment Plant in the Bronx, New York City. One of the major issues co
Jan 1, 2012
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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