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Understanding Ground Vibrations and the Effects of Delay Intervals on Amplitude and Frequency
By Randall M. Wheeler
The measurement and analysis of blast-induced ground vibrations are more complex than ever before. This is primarily due to the advancements made in microchip technology, mass storage utilities and th
Jan 1, 1992
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Geologic Logging of Blastholes to Improve Drilling & Blasting Efficiencies
By Des Bolton
With the introduction of Cast Blasting techniques, field controls of Drilling & Blasting operations became more important. New drills were purchased which were equipped with sophisticated instrumentat
Jan 1, 1994
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Environmental Blasting: Rehabilitiation of Surface Mining Sites Using Blasting
By Richard E. Danell
"Blasting is a principal step in the surface mining process for breaking and, in the case of overburdencasting, moving rocks and minerals. As many surface mines are coming to the end of theiroperation
Jan 1, 1994
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Quantifying Your Blast Fragmentation Using Split-Desktop
By Kirstin Girdner, Tom BoBo, Brian Norton, John Kemeny
Split Engineering is a truly customer oriented company dedicated to providing quantified fragmentation information of the highest integrity to enable process management and control. Technical decision
Jan 1, 2000
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Swedish Standards for Ground Vibrations and Airblast
By Roger Holmberg, Donald Jonson
The Swedish Standard SS 460 48 66, “Vibration and shock - guidance levels for blasting induced vibration limits”, is based on more than 50 years of experience from blasting close to structures and tun
Jan 1, 2005
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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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The Blasting Log - An Essential Witness of Professional Blasting
By S. J. Dillingham
As we enter the new century and close out the old, it has become standard procedure for most blasters to complete a blasting log or shot report following a blast. However, how can you be sure these co
Jan 1, 2000
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Application of Computer Blast Modeling to Oil Shale Mining
By P J. Hommert, D S. Preece
"Commercial development of the United States Oil Shale reserve will require substantial amounts of mining. In fact, even a modest 500,000 barrels per day industry requires a mining effort equivalent t
Jan 1, 1989
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A Computer Model for Explosively Induced Rock Fragmentation During Mining Operations
By J W. Simmons, T H. Antoun
"Rock fragmentation is an important component of explosive mining and excavation techniques andis the culmination of a damage accumulation process dominated by crack propagation. During the past 20 ye
Jan 1, 1995
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New Methods for Contour Blasting Using Electronic Detonators and Water-Notched Boreholes, Including Longer Drift Rounds and Cuts without Large Cut Holes
By Mats Keisu, Bengt Niklasson
The Sofia project has increased the level of knowledge and technique within tunnelling, drifting and contour blasting.
Jan 1, 1992
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Using Vibration Prediction to Reduce Blasting Costs and Complaints (c2b05a63-1c96-45ce-a036-acc1a0a37215)
By Thomas Leonard, Philip R. Berger, Bryan E. Papillon
Bardon Trimount Inc., a large producer of aggregate, crushed stone, and concrete, was experiencing significant public opposition to its five quarries in the Boston area. It was believed by the authors
Jan 1, 1996
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Post-Blast Cast Profile Shape Prediction at Large Coal Surface Mines
By Paula Pereira
The better the capability of accurately predicting the results of any process the less laborious and costly is the optimization or improvement of that process. Rock blasting is a process that one inte
Jan 1, 2001
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A Revolutionary, New Microballoon Ammonium Nitrate Prill that Increases Explosive Performance Through Controlled Porosit
By Attie J. Goosen, William L. Spiteri
Although the physical characteristics of ANFO made from porous prilled ammonium nitrate (PPAN) have been altered by the addition of crystal modifiers, the optimisation of prilling processes and the ad
Jan 1, 1995
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Shock Pressure Transmission Characteristics in a Granitic
By Rakesh Raghavaraju, Bibhu Mohanty
Prediction of fracture and fragmentation characteristics of a rock mass subjected to dynamic loads, such as in blasting remains a major technical challenge. The present study is aimed at characterizin
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Crater Blasting Techniques and Designs in Compacted Soils
By Patrick D. McLaughlin
Crater blasting techniques have had relatively little application in the surface mining industry. This is not surprising, considering the geometry required to efficiently use cratering. The more widel
Jan 1, 1992
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Need of an International Code on Explosives and ISEE Role in Developing it
By Roberto Folchi, Hans Wallin
Having so many norms and technical content of legislation to deal with is a problem that an explo-sives engineer has to face, especially when working at an international level. Each country has its ow
Jan 1, 2015
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Environmentally Motivated Tracking of Geologic Layer Movement During Bench Blasting Using Discrete Element Methods
By Dale S. Preece
The blast-induced movement and final location of geologic layers that may cause environmental problems can be predicted using discrete element methods. This prediction capability can be used by mine o
Jan 1, 1994
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A Topographical Map of the Innovation Landscape (ABSTRACT PAGE)
By Leon Lorenzen, Victor E. Ross, Anton W. Kleingeld
"Key to successful innovation, whether at organization, industry or national level, is the alignment and utilization of resources in the most appropriate and efficient way. Innovation needs to be dire
Jan 1, 2003
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Demolition of a Storehouse by the Blasting and the Simulation of the Demolition by DDA Method
By Kunihisa Katsuyama, Yuji Ogata, Yuji Wada
The one free surface blasting of a concrete block was simulated by Discontinuous Deformation Analysis(DDA) method. Comparing the simulated results with the concrete block blasting experiment, the crac
Jan 1, 1996
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Vibration Control in a Tunnel Project under an Existing Hospital
By Pertti Paavola, Hikki Rasanen
This paper describes a very exacting tunneling project. Planning and technical realization of this service and transportation tunnel was especially difficult as a matter of vibration control, because
Jan 1, 1997