Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
A Survey to Better Understand Collegiate Talent for Recruiting Purposes
By Paul Sairato, Cathrine E. Johnson
Recruiting and retaining students in the explosives industry is becoming increasingly important each year. With no undergraduate degree in explosives engineering currently available in the United Stat
Jan 1, 2015
-
Time Window Vibration Control Techniques Cautionary Tales For Explosives Engineers
By Adrian Moore, Alan Richards
Time window techniques that limit the explosive charge mass being fired within a specified time window (commonly 8 milliseconds (ms)) have been used for many years and are widely accepted by explosive
Jan 1, 2002
-
Characterizing Explosives and Blasting Emissions
By MacDonald B. Johnson, Douglass P. Bacon
With the advance of science, rise of public interest in environmental matters, and continuing erosion of air quality, Federal and state regulators are demanding an increasing complex array of data con
Jan 1, 1995
-
The Application of High Speed Video System for Blasting Research
By Quian Liu
Since the establishment of the CANMET Experimental Mine in Val d'Or, Quebec in 1991, research activities in rock fragmentation have been carried out not only in the underground laboratory but also in
Jan 1, 1994
-
A Technique for Measuring Toxic Gases Produced by Blasting Agents
By Richard J. Mainiero
Traditional techniques for the experimental determination of toxic fumes produced by the detonation of high explosives are not applicable to blasting agents. To detonate properly, blasting agents requ
Jan 1, 1997
-
Effect of Blast Preconditioning on Communition for Selected Rock Types
Current research in comminution includes efforts to increase the efficiency of mineral processing systems and reduce the amount of electrical energy needed for size reduction. In most mining operation
Jan 1, 1996
-
Design of Blasting Rounds for an Indian Iron Ore Mine
By Satish Kate
Mining of Iron Ore in India is done by Surface Mining methods and most of the deposits are massive and are occurring in Hills, surrounded by green forest cover. While majority of iron ore produced are
Jan 1, 2004
-
A Two Component Liquid Explosive (Quadrex-L) and Its Application
By Jerome S. Brower
Quadrex-L is a two component liquid explosive which was developed by J. S. Brower & Associates, Inc. to facilitate handling and shipping, and use in unique applications, while emphasizing safety. It m
Jan 1, 1975
-
Causes and Recommendations for Controlling Coal Damage When Blasting Overburden
By Conny Postnpaok, Mark E. Hammele
"A major problem that has continued to plague the surface oil industry is blast induced damage to the coal seam. Atlas Powder Company has addressed this situation through several years of field resear
Jan 1, 1989
-
The Utilization of Personal Computers for Blast Design and Analysis
By John L. Floyd
A personal computer is a valuable tool for blast design and analysis. Programs designed for the personal computer, such as the electronic spreadsheet, can be used for a wide range of applications. The
Jan 1, 1987
-
Signal Filtering for Safe, Efficient Explosive Use Near Engineered Structures
By Pierre Allard, Wilfrid Comeau
Near-field and close-in blasting can be safe and efficient, near engineered structures, if the dynamic reaction of structural members to blasting vibrations are considered. Safe particle velocity crit
Jan 1, 1991
-
A Survey to Better Understand Collegiate Talent for Recruiting Purposes
By Joshua Micah Hoffman, Catherine E. Johnson
The recruitment and retention of future talent into the explosives industry is becoming increasingly important. One potential area from which future talent can be recruited is local student chapters.
Jan 1, 2014
-
Quality Assessment of Blast-induced Rockmass Damage for Underground Excavations
By Surinder Singh, Vassilios Kazakidis, Damian Gregory
Safety, stability, and functionality of mine excavations depend on the structural integrity of the surrounding rock mass. Various explosives and perimeter control blasting techniques have been develop
Jan 1, 2008
-
Integrated Software Tools and Methodology for Optimization of Blast Fragmentation
By Kirstin Girdner, Vicki Seppala, Tom BoBo, John Kemeny, Mike Higgins
Optimal blast fragmentation is fundamental to all phases of comminution. Changes in blast design may affect efficiency and productivity of downstream processes such as crushing, milling and leaching,
Jan 1, 1999
-
Blasting Factors Influence the Choice of Blasthole Size for Quarrying
By N L. Thomas
Hole size affects many factors which directly influence fragmentation in the muckpile and hence, the cost effectiveness of the entire operation. These factors include production capability, explosives
Jan 1, 1986
-
Using State-of-the-Art Techniques for Positioning Mining Equipment
By George P. Schivley
The careful positioning of the drill rigs that drill the holes into which explosives are then loaded is critical to the success of the subsequent blast. Today a system of satellites in space, each tra
Jan 1, 1996
-
Damage Criteria for Nearby Structures During Underground Explosions and Earthquakes
By Krishna Nand
For assessing the safety of structures during underground explosions, ground particle velocity gives the best damage criteria, and 100 mm/see of ground particle velocity has been internationally accep
Jan 1, 1988
-
Practical Blasting Damage Investigating for Insurance Claims and Law Suits
By David A. Paul
Over the past several years a great deal of information on blasting vibrations and their effects on structures has been generated. Much of this knowledge has been gained through the use of ground vibr
Jan 1, 1983
-
A Fractal and Damage Model for Rock-Breaking by Blasting
By Wang Zhong Qian, Liu Hui
The paper proposed a fractal and damage model for rock-breaking by blasting, which assumed that the process of rock-breaking results from intrincent fractal development and the accumulation of damage.
Jan 1, 1997
-
Remote Radio Control Blasting
By Scott Gustfason, Richard N. Snyder
What is a safe stand-off distance? Recent mishaps using conventional blasting equipment have seen flyrock as distant as 3,750 feet from the blast area, or close to three-quarters of a mile, therefore,
Jan 1, 1987