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Shock Pressure Transmission Characteristics in a Granitic Rock due to Calibrated Explosive Loads
By Rakesh Raghavaraju, Bibhu Mohanty
The paper analyzes the decay of shock pressure as a function of distance from the borehole, and its implication on shock-induced fracture properties of the target rock as the first step in predicting
Feb 1, 2020
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Blasting Optimization using 3D Photogrammetry in a South Brazilian Quarry
By L. O. Souza, J. F. Gewher, M. P. Scussiatto, C. S. Mendonca, R. A. McClure, B. T. Kuckartz, J. Kloeckner
Blasting is the most effective and economical tool available to fragment and move rock for most applications. If properly executed, it can improve down-stream operations such as loading, hauling and c
Jan 1, 2013
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Blasting Near New Concrete – 3 Case Histories
By G. F. Revey
When rock blasting occurs near new concrete of varying age, engineers representing project owners often express concern that vibration from the blasting will crack nearby concrete. Regulations and/or
Jan 1, 2006
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Kanalku Falls Blasting for Fish Habitat Improvement in Alaska
By Catherine T. Aimone-Martin, Kristen Kolden
In August of 2013 the USDA Forest Service (USFS) blasted bedrock at the base of a waterfall in Kanalku Creek within the Kootznoowoo Wilderness Area on Admiralty Island in the Tongass National Forest l
Jan 1, 2015
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MINIMIZING RISK IN URBAN QUARRIES (Two Case Studies)
By James Goldberg, Sally Zadra, Wiliam Reisz
Early recognition and risk assessment is critical to sustaining a safe and productive blasting operation. While every blasting environment holds inherent risk, highwall blasting in highly congested ar
Jan 1, 2008
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The Investigation Of Establishing The National Damage Criteria For Blast-induced Ground Vibrations In Turkey
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Umit Ozer
The environmental problems such as vibration, and air blast are often faced, and discussed on mining, quarrying, civil constructions, shaft-tunnel, pipeline, and dam operations where blasting is inevi
Jan 1, 2010
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Prototype gauges for measuring detonation temperature and pressure of commercial explosives
By A. Torrance
A better understanding of the detonation performance of an explosive charge can be gained by directly measuring pressure, temperature and velocity of detonation (VOD). This is particularly important w
Jan 1, 2011
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Reducing a Quarry Global Carbon Footprint through Blast Optimization
By Pierre DePasquale, Ricardo Chavez
Lowering of quarry energy consumption participates to answer both environmental and financial issues. The “EE-Quarry” European project, supported by the European Commission (EE stands for Energy Effic
Jan 1, 2015
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Supression of Blast Pressure and Noise from Implosive Type Connectors (b7d7fd43-f48c-43a3-af6c-8966c9e70d51)
By Ettore Contestabile, Cameron Thomas
Implosive-type electrical/mechanical connectors such as XECONEX have been used extensively for joining electrical transmission lines. This implosive action of explosives has also been applied to other
Jan 1, 1995
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Reduction of Air Blast and Flyrock
By Don Rapp, Rufus Flinchum
Air blast and flyrock are two of the most critical concerns facing the blaster of today. This paper will provide the blaster with proven procedures for recognizing open face and bench surface problems
Jan 1, 1993
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The Use of Handidet Non-Electric Detonator Assemblies to Reduce Blast-Induced Overpressure at AECL's Underground Research Laboratory
By D P. Proudfoot, S G. Keith, D P. Onagi
A number of aspects of the Canadian concept for nuclear fuel waste disposal are being assessed by Atomic Energy of Canada Limited (AECL) in a series of experiments at its Underground Research Laborato
Jan 1, 1996
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"High Fidelity Computer Modeling of Air-Deck Behavior during RockBlasting"
By Dale S. Preece, Ruilin Yang
"Air-decks are often employed for presplitting along the final highwall of a blast and are sometimes also included at the bottom or in the middle of explosive columns in the production portion of a bl
Jan 1, 2017
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Aquarium Tests to Study the Detonation Behaviour of a Non-ideal Explosive.
By M. Araos
Non-ideal explosives can be characterised by different methods like velocity of detonation measurement, double pipe tests, underwater tests, aquarium tests, etc., to name a few. Both aquarium and velo
Jan 1, 2024
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Blasting Related Aggregate Size Optimization
By John Cory, Ran Tamir
Blasting data analytics are being increasing used to increase mining productivity, reduce mining costs, maximize high margin aggregate products, and to reduce fines. Three examples will be illustrated
Jan 1, 2012
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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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Improving Blast Outcomes: Why Airdecks work — a Numerical Modeling Study
By Benoît Pinier, Jason Furtney, Gustavo Sampaio Lopes, Jorge Valencia, Johan Hawinkel
This paper describes a numerical modeling study on the effect of airdecking on vibrations, fragmentation, and movement in mining-related rock blasting. Practice has shown that air gaps reduce blast vi
Jan 21, 2025
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The Science and Testing Behind Quantitative Risk Assessment Models
By Michael Swisdak, John Tatom
In a quantitative risk assessment (QRA), the ability to accurately model real-world situations is obviously critical. In the end, the model must be able to represent the effects produced by the detona
Jan 1, 2007
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Vertical Crater Retreat Mining. At the Luossavaara Research Mine
By Bengt Niklasson
"A test stope at the Luossavaara Research Mine in Kiruna, Sweden,was divided into four different modules in which various hole patterns and explosives were tested in order to evaluate:1. The optimum c
Jan 1, 1985
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Increasing El Toro Mining Productivity through the Application of Massive Blasting Techniques while Reducing Environmental Impact on Neighboring Communities
By César Ugaz Castañeda, Paulo Fernández Alvarado, Richard Sotomayor Oblitas, Rocke Enríquez
Mina El toro has been making substantial changes in its operation to improve its social impact and productivity. Because of the use of gasified emulsions and electronic initiation system, it was possi
Feb 1, 2020
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Measurements to Determine the Effect of Selected Additives on the Detonability of ANFO Mixtures
By Roger L. McCarthy, Ali Reza
The use of an ammonium nitrate-fuel oil (ANFO) explosive in the Oklahoma City Federal Building bombing has led to a renewed interest in using additives during the manufacturing process of ammonium nit
Jan 1, 1999