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Effects of Particle Size Distribution on Loading Performance
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Umit Ozer, Ertugrul Kaya, Kagan Ozdemir
The results of bench blasting on quarries, have important influences on the performance of subsequent mining activities such as loading, hauling, crushing, grinding etc., and the total costs of that m
Jan 1, 2008
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Relationship between peak particle acceleration, velocity and displacement of blast vibration
By Ruilin Yang
The following simple equations are frequently used within the blast vibration community;PPA f PPV v = 2p · , PPV f PPD d = 2p · ,a f PPV PPA 2p = , and v f PPD PPV 2p = where, PPA is the peak particle
Jan 1, 2012
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Reducing Overall Toxic Fumes at Fixed Work Output, by Formulating
By Michael Wieland
For shooting rock properly, some relatively fixed quantity of rock work is required from the total charge mass, while keeping the overall toxic fumes to a minimum. The overall fumes weighted for the t
Jan 1, 2006
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Journal: 100 Years / The Colliery Guardian London July 15, 1904
By Robert Hopler
In accordance with the 57th section of the Explosives Act, 1875, the following report on the working of the Act during the year ending December 31, 1903, is submitted. There have been no modifications
Jan 1, 2006
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Effects of Accurate MS Delays on Productivity, Energy Consumption at the Primary Crusher, Oversize, and Ground Vibrations and Airblast
By James W. Reil, Douglas A. Anderson, Steven L. Burchell
A total of 26 full-scale production blasts at three sites were extensively monitored with sophisticated instrumentation systems to determine the benefits of "ore. accurate detonators. The new and "ore
Jan 1, 1989
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Vibrating Wire Gages Watch Dynamical Structural Integrity During Blasting
By A. Feldman
Measuring dynamic effects on existing structures such as dams and bridges during earthquakes or blasting is frequently done using strong motion detectors. However, a more comprehensive dynamic structu
Jan 1, 2006
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Compromising Technology with Field Expedience in Fragmentation Evaluation
By Jason M. Ryan
"Along with recent advances in computer technology have come cost-effective systems desiiedto evaluate fragmentation distributions through digital images of particles. In mining operations andmineral
Jan 1, 1998
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Blasting at Dacotah Cement
By Lyle Dennis
Emphasis on increased production while maintaining rigid quality standards has necessitated a change in blasting technology at Dacotah Cement's limestone and gypsum quarries. The following three metho
Jan 1, 1996
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Monitoring Concrete Block Damage at the Fultondale School
By John Babcock, Gregory Poole, Ron Hudson
In January 2007, Fultondale Alabama opened a new elementary school. Site work at the old school location included blasting activities and the old school building was scheduled for demolition. With hel
Jan 1, 2009
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Bottom Hole Annular Pressure: A Theoretical Problem with Real Effects
By Clarence R. Zink
A problem has always existed in deep and fast drilling situations such as coal overburden drilling, or when drilling with a tight annulus, such as 9 7/8" bits and 8 5/8" pipe. This problem is the diff
Jan 1, 1998
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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
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The New Progress in the BGRIMM Emulsion Explosives Technology
By Wang Xuguang, Zhang Xiaozhi, Li Guozhong, Xiong Daiyu
The emulsion explosive is a new kind of water-based industrial explosives that was developed at the end of 1960s. In the 1970s, BGRIMM invented EL-series emulsion explosive that created a new era of w
Jan 1, 2003
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ISEE Blasting Seismograph Standards 2017
By Michael Mann, Kenneth K. Eltschlager
The International Society of Explosives Engineers (ISEE) Standards Committee has recently updated both the Field Practice Guidelines for Blasting Seismographs and the Performance Specifications for Bl
Jan 1, 2018
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CEE BEE ZERO TWO Construction to Destruction - A Case Study
By Deepak Vidyarthi
This paper deals with various measures adopted in protecting a conveyor duct (named after a Conveyor Belt that was numbered as ‘02’) housing a 1600 mm (63 inches) belt conveyor system in a large, heav
Jan 1, 2008
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Application of New Explosives Technologies in Australian Conditions
By Alastair C. Torrance
"A brief review of the Australian mining industry is given followed by a more detailed treatment of a study of the influence of primer Size on explosive performance. This is based on a joint research
Jan 1, 1991
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The Construction and Testing of a Polycarbonate Safe Haven Wall
By Braden T. Lusk, Rex A. Meyr, Kyle A. Perry
Following three major mining accidents in 2006, the MINER Act of 2006 was enacted by MSHA and required every underground coal mine to install refuge alternatives to help prevent future fatalities of t
Jan 1, 2014
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Northern Link - Tunnel Blasting In Environmentally Sensitive Surroundings - Using NCVIB
By Donald Jonson
Stockholm’s Northern Link, currently Europe’s largest urban road tunnel project, will be about 5 km long from west to east. Running through two separate, mostly parallel tunnels, each with 2-4 lanes,
Jan 1, 2009
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Post-Blast Evaluation Through Shovel Performance Monitoring
By Carl Hendricks, Malcolm Scoble
There currently exists no viable means of obtaining continuous feedback on blast efficiency. This paper describes the adaptation of a loading shovel to serve as a diagnostic tool to evaluate the succe
Jan 1, 1990
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Advances in Explosives Technology
By A B. Opperman
For many years explosives energy has been utilized in mining and construction as well as many other applications which are vital to our way of life. Many types of explosives have made their contributi
Jan 1, 1975
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The Journal of Explosives Engineering - Vol 20 No 3 Creating Awareness about Carbon Monoxide - The Silent Hazard
By Nobel Insurance Service
[Executive Director’s note: ISEE is committed to continuing its efforts to ensure that blasters be made aware of the issue of migration of carbon monoxide resulting from blasting operations. In the Ju
Jan 1, 2004