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An Investigation on Cracking of Glasspanes Due to Air Overpressure
By Bharat B. Dhar, M D. Nabinllah, A J. Prakash
The study is an approach made in simulating air overpressures induced by surface blasting from those produced during gallery blasting in the laboratory, and experiments conducted on a portable window
Jan 1, 1994
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Vibration Control During the Construction of an In-Pit Lime Kiln
By Paul Worsey, Ron Ecklecamp, Scott G. Giltner, Ronnie Inman, Terry Drechsler
A blast monitoring program conducted at Chemical Lie Company’s new lime calcining facility near Ste. Genevieve, Missouri is discussed. The purpose was to develop blasting criteria for the construction
Jan 1, 1996
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A Novel Initiating System for Blasting Explosives
By R Fox, R Watt
On behalf of ICI's group of explosives companies around the world, a research programme is being undertaken to develop a new electrical shotfiring system which will have markedly improved safety featu
Jan 1, 1981
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Blast Optimization Through Drilling Information: GBlast®, a Predictive Modeling Software
By Claudio Lechuga, Carlos Scherpenisse, Juan Rafael Otaiza
From the analysis of drilling process, Block Model information, drilling pattern data and expected fragmentation targets; GBlast® software optimizes the explosive charge design in order to standardize
Feb 1, 2020
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Multi-Blasthole, Multi-Row, Detonation Delay timing Simulation of Rock Blasting Using DMCBLAST_3D
By Dale Preece, Stephen Chung
Development of DMCBLAST-3D is continuing and now includes the capability to simulate the detonation of multiple blastholes in multiple rows that make up a conventional bench blast, either in a rock qu
Jan 1, 2002
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The Mapping of Vibration Patterns Around a Blast
By D T. Froedge, Michael J. Nutting
A system consisting of an unlimited number of biaxial geophones that measure peak particle velocity and frequency has been developed and utilized at surface mines, quarries and construction sites. An
Jan 1, 1990
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Demonstrated Improved Fragmentation and Optimized Explosive Distribution by Using Air Decks created with Stemming Plugs
By Alejandro Ferrada Vergara, María Jesús Barros Godoy
Reducing costs while maintaining productivity and achieving good results is a constant challenge in mining operations, especially in the drilling and blasting stage, since a bad blast can affect produ
Jan 21, 2025
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Control of Ground Vibration from Surface Blasting Operations Using Computer Simulations to Evaluate the Effects of Cap Scatter
By Alday B. Andrews
A computer program called Seiswise that predicts the character and intensity of ground vibration generated by surface blasting operations was developed and field tested. The program uses the time hist
Jan 1, 1990
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The Use of Numerical Modeling to Enhance Fines Predictions
By A. S. Tawadrous
Fines are produced in any blasting application. Depending on the application, fines may or may not be a desirable product of the blast. In most quarry and construction applications, fines are consider
Jan 1, 2012
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Natural Cavities in Iron Ore Deposits in Brazilian Northern Region: Challenges and Strategies
By Anderson Meireles, Leonardo Soares Chaves, Raul Carretero Hoz, Carlos Eduardo Soares Feliciano, Renato Jacome Costa
The large iron deposits in the northern region of Brazil located in the Amazon Craton have in common the presence of natural cavities. These cavities primarily occur in the upper layer of the ore body
Jan 21, 2025
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Use of Linear Shaped Charge for Cutting Emergency Vent and Drain Openings in a Rail Tank Car
By William H. Snyer, Hank Cox
A high explosive device using Linear Shaped Charge (LSC) (to rapidly cut vent and drain openings in a rail tank car) is described. In the event of damage to a tank car loaded with a pressurized flamma
Jan 1, 1994
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Implementation of a Real Time Traceability System from Mine to Plant
By R. Ticona, J. Alarcon
In the continuous search to provide comprehensive solutions and identify opportunities to improve ore traceability, from the blastholes to mill feed, different ore traceability systems have been devel
Jan 1, 2024
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A Mechanical Sensitization Model of Composite Explosives
By Pharis E. Williams
The ability of voids, microballoons, and even solids to sensitize explosives has been known and used for many years. This phenomenon has generally been studied and reported under the terminology of "h
Jan 1, 1992
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The Measurement and Control of Blast Induced Damage of Final Pit Walls in Open Pit Mining
By William R. Adamson, Carlos R. Scherpenisse
The successful development of surface mining operations depends, amongst other factors, on the successful creation of final pit walls which offer long term structural stability. The achievement of suc
Jan 1, 1998
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Blast optimisation at limestone quarry operations – good fragmentation, less fines
By Benjamin Cebrian
Rock blasting at quarries represents multiple challenges not easy to see at first sight. Aggregate industries face similar or superior prices for explosives while extracting a material that usually is
Jan 1, 2010
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Evaluation of Blast Damage to Pastefill at Louvicourt Mine
By Hung Tran, Denis Fleury, (Ken) Qian Liu
Pastefill technology has gained an increasing popularity over the past decade. The main advantages are: environmental performance (mainly in tailings disposal), low operation costs and ease of operati
Jan 1, 2000
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Pipe Fragmentation Analysis to Determine Characteristics of Improvised Explosives
By S. Geerts, J Davidson
The purpose of the experiment was to determine detonation characteristics of various improvised explosives. The test consisted of detonating a pipe filled with an explosive compound inside of a plywoo
Jan 1, 2011
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Influence of Environment on Explosively Driven Shock Waves in Air
By Joshua Hoffman, William Chad Wedding, Braden Lusk
The University of Kentucky employs an explosively driven shock tube in the course of experimentation. A good deal of the work completed relates to the verification of blast mitigation products and str
Jan 1, 2011
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Journal: Lightning - Understanding the Danger, Managing the Risk.
By Greg Quinn
After a long week of work in Colorado Springs this past July, I was looking forward to flying home to start a long anticipated family vacation. As I grabbed my seat on the plane, a man sitting next to
Jan 1, 2012
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The 1998 Explosion of the Debruce Grain Elevator
By Jerome H. Stofleth
In June of 1998, the DeBruce Grain Elevator was devastated by an accidental explosion caused by the unintentional ignition of grain dust. The DeBruce grain elevator was the largest ‘single head-house’
Jan 1, 2004