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Sappington Bridge: An Opportunity for Strengthening Research and Demolition Training
By J. Baird
The Sappington Bridge, a steel arch span bridge constructed in 1904 over the Meramec River, was demolished due to its advanced state of deterioration. The demolition was a project to benefit Crawford
Jan 1, 2003
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A Retrospective Examination of the Evolution of Electronic Detonators
By Campbell Robertson
The evolution of electronic detonators in commercial mining, construction and demolition has been a transformative journey, characterized by technological innovation, enhanced safety measures and impr
Jan 21, 2025
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Innovative Blasting - Oversize Reduction at the Timbarra Gold Mine in Australia
By G. Hames, A. Drake, B. Sampson
The Timbarra opencut gold mine is located about 30 km(19 miles) southeast of Tenterfield in northern NSW some 4 hours by car from Brisbane, the capital city of Queensland in Australia. It was a small
Jan 1, 2003
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Predicting Rotary Drill Performance
By George P. Jr Schivley
Looking at the process of drilling rock from the standpoint of the power required, yields an equation that relates Force-on-the-Bit; Torque, to rotate the bit; and bit Angular Speed to the Penetration
Jan 1, 1994
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Journal: Hazmat 101 / PART 4 – Cargo Segregation and Securement
By Tom Snyder, John Brulia
Part 4 is the final article by the authors on hazardous materials (HM)transportation safety and compliance for U.S. shippers and carriers who offer and transport commercial explosives in commerce on p
Jan 1, 2015
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Optimization of Blast Fragmentation at Kisladag Gold Mine
By Erkan Bayrak, Serkan Erkara, Ozkan Duzgun, Ekin Gungor
This paper presents part of the outcomes of the drill and blast optimization project carried out at Kisladag Gold Mine in Turkey. Kisladag Gold Mine is the largest gold mine in Turkey with a low-grade
Jan 1, 2015
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"Suppression of Dust Generation during Blast Demolition of ConcreteColumns"
By Chulgi Suk, Hoon Park, Hyonsoo Kim, Hakman Kim, Sangho Cho
Dust emission from blast demolition and other construction activities can be a nuisance; it is widely recognized that fine particles less than 10 µm in equivalent diameter (called PM10) may cause heal
Jan 1, 2016
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Paper or Electronic Records – Ways to Improve Blast Documentation and Recordkeeping
By Travis A. Davidson, Ralph E. Burnham, Cathy Aimone-Martin, J. Kelly Ratliff
Blasters face a long list of tasks to execute daily—from vehicle inspections to blast design and layout, hole loading and tie-in, securing the site, and finally, safely executing the blast. Good pract
Jan 21, 2025
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It Felt like an Earthquake
By David Ziegler, John Babcock, Gregory Poole
On December 9, 2003 at 3:59 PM EST an earthquake with a 4.5 magnitude occurred in central Virginia. According to a survey on the US Geological Survey website, this quake was felt as far away as Bridge
Jan 1, 2005
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Small Scale Testing to Investigate Air Blast Loading on Plates
By H Ulrich Leiste, Leslie Talor
This paper describes a series of small scale tests conducted to investigate the loading applied to a flat plate by the detonation of a cylindrical charge very close (between two and three charge radii
Jan 1, 2009
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Quake, Quarry, or Quack
By Dominic Orf, Gregory Poole
On December 12, 2018 at 4:14 AM EST, an earthquake registering a 4.4 magnitude on the Richter Scale occurred in central Tennessee. According to a survey posted on the USGS website, this earthquake was
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Dynamite Daze
I attended a funeral in West Monroe, Louisiana, for one of the best powder peddlers I’ve ever known. He started work in 1948 for Dixie Dynamite, a seismograph explosive distributor. His first job was
Jan 1, 2004
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The Journal of Explosives Engineering - Vol 20 No 3 Creating Awareness about Carbon Monoxide - The Silent Hazard
By Nobel Insurance Service
[Executive Director’s note: ISEE is committed to continuing its efforts to ensure that blasters be made aware of the issue of migration of carbon monoxide resulting from blasting operations. In the Ju
Jan 1, 2004
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Application of Numerical Modelling to Examine Priming of Bulk Explosives
Numerical modelling was used to examine priming of bulk commercial explosives. Data for the HOM equation of state were calculated using a representative chemical composition, while Forest Fire model d
Jan 1, 2002
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Surface Instabilities from Buried Explosions
By Daniel P. Lathrop, Leslie C. Taylor, William L. Fourney
Except when the target is on the surface, e.g. a tank track, the most important loading mechanism from a buried charge on a target above it is the impact of soil propelled at the target by the expandi
Jan 1, 2009
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Wavelet Transform Analysis of Blast Seismograph
By Douglas A. Anderson
Much progress has been made in understanding the forward process for blast vibration simulation: that is, how to create a resultant seismogram from an empirically determined seed waveform. What has no
Jan 1, 2013
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Ore Waste and Dilution Studies of Surface Mineral Blasting with 3D Distinct Element Heave Models
By Stewart A. Silling, Dale S. Preece
The two key results of rock blasting are fragmentation and movement of geomaterials. Movement/flow of the blasted rock is often referred to as heave. Modeling the movement of full scale blasting is no
Jan 1, 2016
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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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Automation of Drill and Blast - Measurement Techniques to Develop Standard Procedures
By Ewan Selers, Gary Cavanough
Drilling automation technology is well advanced and automated drill rigs are in use at a number of operating mines. This is not the case for the other drill and blast processes due to significant tech
Jan 1, 2016
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Mine Blasting Safety: Decades of Progress
By Harry Verakis, Thomas Lobb
Blasting accident data over a 30-year period (1980-2010) are summarized and presented for all types of surface and underground mining operations in the USA. The historical record of injuries from blas
Jan 1, 2012