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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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Platform Loading from Explosions in Saturated Sand using a Visco-Plastic Model
By W G. Szymczak, Leslie C. Taylor
The University of Maryland (UMD) has conducted a series of small-scale tests using explosive charges buried in saturated sand. Twelve different combinations of depth of burial of the charge and height
Jan 1, 2007
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Cost Optimization for Controlled Blasting, Transportation and Crushing
By Taner Sumer, H Altay Guvenir
Fragmentation in rock quarries is tried to be achieved by changing the specific charge, drill pattern and bore hole diameters by different experts. This paper is a brief summary consisting of the util
Jan 1, 1993
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Overburden Blast Cast Designs, Factors Affecting Results and Economics
By Connie Postupack
The purpose of the workshop is to show the effect of various blasting factors on the overall results.
Jan 1, 1994
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Seismic Analysis of Explosive Performance
By Shazad Hosein, William Birch, Douglas A. Anderson
This paper will present the results of tests of a new method for assessing explosive performance using wavelet transform analysis of standard blast seismograms. The theoretical background of the metho
Jan 1, 2015
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Underwater Explosions: Effect of Boosters Shape to its Ability to Igninte Insensitive Plastic Bonded Explosives (IM - PBX)
By Martti Hagfors
The Finnish Defence Forces Technical Research Centre (PVTT) studied the effect of shape of boost-er to its ability to ignite insensitive (IM) plastic bonded explosive (PBX). Therefore an explosive fac
Jan 1, 2013
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Improving Productivity at Farco Mining of Texas Using Emulsion/ANFO Blends
By Nick Lewis
Farce Mining of Texas is a surface coal mine located in Laredo, Texas. Farce mines and sells approximately 600,000 tons /year of bituminous coal. A map showing the location of Laredo is provided in F
Jan 1, 1994
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Journal: Junction Chamber Blasting November 22,1999
By Edward Walter
Rock excavation for tunneling projects occurs on a regular basis in the Cleveland area. These tunnels are being constructed to increase the capacity of the sanitary sewer system. Controlled blasting m
Jan 1, 2001
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Anomalies in Blast Vibration Propagation
By D T. Froedge
With successive generations of the Iso-Seismic System, we are acquiring more and more information about the actual behavior of blast induced ground, and airborne vibration, as it propagates through th
Jan 1, 1995
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The Development of an Inhibited Explosive for Black Pyritic Reactive Shale (7d7c104e-e6d0-4205-a9a2-1931966d478c)
By P Bellairs
The Hamersley Province is located 1000km to the North of Perth the Capital City of Western Australia and is of major economic significance due to the mining of extensive deposits of Haematitic Iron Or
Jan 1, 1996
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Alternative Velocity Loading Techniques and Detonations in a Production Environment
A simple and cost effective technique to increase fragmentation and burden velocities without making major modification to the overall blast design is with ALTERNATE VELOCITY LOADING OR BOOSTERING OF
Jan 1, 1989
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Risk Management in Blasting: Lessons Learned the Hard Way
By Ralph E. Burnham, Jeff Taylor, Jonson Montgomery, J. Kelly Ratliff, Rennie Montgomery, Martin Brashear
Top priorities for all blasting companies and individual blasters are risk management, safety of company personnel and the general public, regulatory compliance, and liability protection. On a daily b
Jan 1, 2018
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Subdrill – The Underutilised Blasting Parameter
By Stephen Mansfield
In metalliferous mining operations, subdrill is that portion of the blast hole that is drilled below the target grade elevation, and in most cases loaded with explosives. Its primary aim is to enable
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Engineering Field Controls and Hole Deviation
By Mick Fritz, Tom Treleaven
The success of any blast is dependent on the accuracy of the blast design and field controls placed at the shot location. The procedure by which the data is collected and analyzed is paramount to acco
Jan 1, 1998
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Response of Manufactured Houses to Blast Vibrations
By Michael Mann
Two house trailers and a modem modular house, all pillar-supported with cantilevered perimeters, were monitored for structural response to vibrations from surface coal mine blasts. Due to the large bl
Jan 1, 2000
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Relating Horsepower to Drilling Productivity (83232d04-da2e-4755-9f53-c779d17429d0)
By Brian Wingfield, Greg Williams, Richard W. Givens
Application of required energies into the rig design can have a dramatic impact upon productivity. Computer modeling of these production variables has led to changes in design with values closely appr
Jan 1, 1995
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Next Generation Laser Surveying Systems! Blast Design and Analysis Software
By Steve Colbum
LTl’s MapStar LPS (laser positioning system) utilize both tripod mounted and hand held reflectorless distance meters. These are eye safe, easy-to-use, and specifically designed to endure the harsh env
Jan 1, 2000
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The Importance and Advantages of Accurate Calculation, Evaluation and Control of Dragline Methodologies
By K B. Holm
This paper deals with the advances made at Syferfontein Colliery in the calculation and control of dragline methodology. The high capital outlay and operating cost of a dragline necessitates strict co
Jan 1, 1994
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A Method to Calculate the Dynamic Strain Tensor from Blast Vibration Records - Theory and Measurement Error Analysis
By Ruilin Yang
"Blast vibrations are essentially a strain/stress wave propagating in rock or structures inthe vicinity of a blast. However, blast vibration has always been quantified in terms ofpeak particle velocit
Jan 1, 2012
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Quality-Assurance (to ISO-9001 Level) for Quarry Blasting in the Urban Environment
By Wilfrid Comeau
This paper deals with the concept of a Quality-Assurance Manual, to the ISO-9001 Level, for quarry blasting in the urban environment. A case history of the incident, which led to its development, is p
Jan 1, 2003