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Shock Physics Theory of Air-Deck Behavior during Rock BlastingBy Dale S. Preece, Ruilin Yang
"Air-decking has been used frequently in blasting for many decades. It has been asserted that an air-deckcan alleviate excessive shock pressure from the detonation of a charge thereby producing better
Jan 1, 2017
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Electronic Detonators on Crazy Horse Mountain: A Pre-Split StudyBy Douglas Bartley, Kevin Hachmeister, Rich Barry
The use of explosive energy as a tool in mining and construction is the most effective way to move large amounts of rock that is otherwise unable to be efficiently excavated. Since the early days of e
Jan 1, 2004
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Slope stability’s control for designing and execution of massive open pit blastingBy P. Ravanal, J. Blazquez, F. Ortega, P. Couceiro, J. Navarro
Massive blasting technique is an interesting alternative to optimize mining’s performance by enhancing digging rates and overall operation’s activities, especially when a reduced operational bench wid
Jan 1, 2024
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Case Study: Technology Application for a Hardness Model in Minera CaseronesBy Hernan Navea, Carlos Alvarado, Exequiel Nuñez, Matías Suarez, Jhon Silva, Bryan Townsend, Bryan Caceres, Felipe Pontanilla
Nowadays, technology dominates all aspects of human activities, and drilling and Blasting (D&B) is no exception. In most cases, the use of technology in D&B is focused on controlling individual activi
Jan 21, 2025
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Non-Ideal Detonation Modelling of Ammonium Nitrate-Based ExplosivesBy Paulo Couceiro
Highly non-ideal explosives usually tend to react expressively below their ideal detonation velocities. In these cases, dimensional effects and product heterogeneities become important to proper model
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Digitized, Integrated and Optimized Drill and BlastBy Sushil Bhandari, Amit Bhandari
In this paper, a case study is presented of a large global cement company using a cloud and mobile based platform across 17 of their mines consistently over a large number of users over a period of ov
Feb 1, 2020
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Non-Ideal Detonation Modelling of Ammonium Nitrate-Based Explosives Paulo CouceiroBy Paulo Couceiro
Highly non-ideal explosives usually tend to react expressively below their ideal detonation velocities. In these cases, dimensional effects and product heterogeneities become important to proper model
Feb 1, 2020
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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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OPEX Improvement From Migrating to GPS Guidance and Digital Drill PatternsBy Jose A. Sanchidrián, Ricardo Castedo, Pablo Segarra, Juan Navarro
A study conducted at a mine site that used traditional field surveying and physical hole spot markings bench marked their combined drill and blast performance. The analysis of the operational expendit
Jan 1, 2019
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Fugitive Carbon Based Gases Blasting Related or NotBy Fred Baldassare, Marcia Harris, Kenneth K. Eltschlager
Surface mine blasting was recently investigated as a potential source of high concentrations of stray gases found in nearby residences of western Pennsylvania. In one incident carbon monoxide was dete
Jan 1, 2004
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Flyrock Model Validation and ApplicationBy C. K. McKenzie
Presents outline of flyrock model and a field procedure to validate predictions of maximum projection distance. Field results are presented from 13 field tests with two different hole diameters.
Feb 1, 2020
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Contribution of Up-to-date Modeling and Blast Surveying Technologies to the Improvement of Semi-empirical Flyrock ModelsBy Ricardo Chavex, Adrien Letellier
Flyrock remains one of the most critical issues in open-pit blasting. Despite the significant improvements made with modern surveying methods, the necessity remains to define sensible danger zones aro
Jan 21, 2025
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Numerical Simulation of FRP Strengthened Reinforced Concrete Slabs under Blast LoadsBy M. K. Ameen, R. El-Hacha
This paper presents the analytical results obtained from numerical simulation of reinforced concrete slabs strengthened with various FRP systems and subjected to blast loading. A three-dimensional fin
Jan 1, 2010
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Effect of Impact on Pre-Squibbed FireworksBy Paul Worsey, Yasutaka Dote
The choreography of large fireworks displays dictates electric initiation for precise timing. It has been common practice to pre-squib products before transportation for reducing set up time. A number
Jan 1, 2009
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Blast Vibration Monitoring & Calibration in the 21st CenturyBy W. J. Birch, R. Farnfield
Nuisance caused by perceived high vibration levels as a result of blasting on quarries and opencast coal mine is now the number one environmental concern of residents living adjacent to such operation
Jan 1, 2014
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Journal: Kaiser Plant Demolition / Smokestack Demolition at port of Tacoma, WashingtonBy Walt Meglasson
The Kaiser Aluminum Company Smelter, one of several in the Pacific Northwest, was built in 1942 and operated by the Olin Company during World War II and then purchased by Kaiser Aluminum after the war
Jan 1, 2008
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Using Artificial Intelligence and 3D Imaging to Provide Real-time Particle Size Analysis on Haul TrucksBy Saeed Karimifard, Saman Nouranian, Shahram Tafazoli, Bahram Sameti, Frank Chu, Caitlin McKinnon, Tetiana Konstantynivska, Glen Turner
Continuing blast optimization is the cornerstone of any mine-to-mill approach, and particle size analysis is a key metric for meeting blast targets to reduce overall energy consumption and operating c
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Journal:Security Matters / Procedures to Follow When Explosives Are Missing From Inventory (e.g., Disposition Unrecorded/Unknown)Prepare ATF Report of Theft or Loss (ATF Form 5400.5). A Report of Theft or Loss - Explosives Materials must be prepared when it is discovered that explosive materials are missing from inventory. Subm
Jan 1, 2008
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Full Wall Control Blasting OptimizationBy John Floyd, Maria Rocha, Benjamin Cebrian
Wall control blasting is needed in most metal mining operations in terms of increasing mineral reserves and assuring the safety of the operation. This type of blasting has the goal to achieve a clean,
Jan 1, 2018
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Vibration Criteria for Surface Mine Blasting: Ten Years after Bureau of Mines R1 8507By David E. Siskind
In the early 1980's, the Bureau of Mines published four reports of structural response and damage from surface mine blasting, vibration monitoring, and analysis methods. These findings replaced simple
Jan 1, 1991