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Traffic Tunnels in Rock - Guide Levels for Blast-Induced VibrationsBy Sven-Erik Johansson, Gosta Rundqvist, Donald Jonson
In Stockholm a new road traffic system called Södra Länken (Southern Link) will be in operation in late 2004. The total length of the road system is 6 kilometres of which 4,5 kilometres run through tu
Jan 1, 2004
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Journal: 100 Years / A PRIMER ON EXPLOSIVES FOR COAL MINERS Bulletin 17 by Charles E. Munroe & Clarence Hall U.S. Bureau of Mines, Washington, D.C.By Robert Hopler
Of the common causes of the larger mine accidents, such as falls of roof and coal, gas and dust explosions, mine fires, and the misuse of explosives, all of which are often closely related, each must
Jan 1, 2012
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Cross Sectional Shape Effects on Small Explosives Driven Shock TubesBy Ethan Steward, Robert Eades, Kyle Perry
Shock tubes, either gas or explosively driven, are often used for physical modeling of free field explosions or arena testing. The use of shock tubes often requires less setup time of subjects and sma
Jan 1, 2018
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Seismic Monitoring During Blastings of Building Pit for WTC at RijekaBy D Vrkljan, Z Ester
Excavating the building pit for the World Trade Center at Rijeka, it was necessary to blast over 160000 m3 of hard mass in fused condition. The building pit is located at a densely populated residenti
Jan 1, 1999
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Advanced techniques using microscopy to quickly assess emulsion quality and stability.By G. Cavanough, A. Torrance
Emulsions have been developed for over forty years to become the most common water-resistant explosives used in the mining industry. An emulsion is a common commodity, with many examples in our day to
Jan 1, 2024
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Prediction of Blast Fragmentation of Underground Stopes for In Situ LeachingBy Mark S. Stagg, Rolfe E. Otterness, Farrokh Djahanguiri
The U.S. Bureau of Mines (USBM) evaluated empirical equations that predict fragmentation from underground stope rounds. Controlled blasting is necessary for creating leaching stopes that maximize the
Jan 1, 1994
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Emulsion Comparison TestsBy R W. Givens
Comparison tests were performed on 6 emulsion concentrates, 3 microballoon sensitized emulsion concentrates, and 2 water gel concentrates from 8 different sources with ANFO used as a control standard.
Jan 1, 1990
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Rock Specific Breakage Energy Functions Derived from Lab Scale Blast ExperimentsBy Peter Moser, Andreas Grasedieck
In modern rock blasting it is becoming more and more important to achieve a certain specified fragmentation. This means that the rock particles formed as a result of the blast should conform to a desi
Jan 1, 2004
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Displacement and Mixing of Blasted Sedimentary Rocks in QuarryingBy Stephen Chung, John Carpenter, Scott Gosch, James Breedlove
While controlling fly rock and ground vibration in quarrying in the neighborhood of a residential area, producing good fragmentation and keeping different grades of material separated in a muckpile ar
Jan 1, 2001
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Firing Reliability of Electronic DetonatorsElectronic detonators are receiving increasing acceptance in the blasting industry. Electronic detonators offer several distinctive features over electric and non-el (shock tube) detonators including
Jan 1, 2010
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An Evaluation of Online Education for the Blasting IndustryBy Dr. Anthony J. Konya
The modern era has seen a boom in virtual training platforms. This study details the effectiveness & applicability of online training in comparison to in-person training for the drill & blast industry
Feb 1, 2020
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Regulatory Review of Blasting Related Citizen ComplaintsBy Kenneth Eltschlager
The Surface Mining Control and Reclamation Act of 1977 requires that blasting be conducted so as to prevent injury to people and damage to public or private property. The three adverse effects are fly
Jan 1, 2001
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Journal: Old South Pole DemolitionBy John Horgan, Ethan Marcoux
Explosives have been used to demolish many unsafe structures around the world. However, it is unlikely any demolition job has ever involved destroying buildings already buried 40 feet (12 meters) into
Jan 1, 2015
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A New Method of Shaft SinkingBy John Cowin, Dan McCutchen
Cowin & Company has specialized in underground construction since 1924. This paper reviews the sinking of two shafts in the Alabama coal fields using bulk-loaded explosives. Each shaft is eighteen hun
Jan 1, 2000
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"Journal: 100 Years / Iron Mining in Minnesota By Charles E Van Barneveld, University of Minnesota, Minneapolis 912 The Mesabi (""Missabe"") RangeTHE MESABI (“MISSABE”) RANGE"By Charles E. Van Barneveld
RBH Note: the following item is a little different than the usual, in that it shows how explosives were used in the past to assist in putting down holes for iron ore prospecting on the early Mesabi Ra
Jan 1, 2013
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Application of Machine Learning in rock mass characterization for BlastingBy Javier Illanes, Felipe Moroni
In recent years, implementation of Artificial Intelligence and Machine Learning model technology has gained ground in almost every aspect of human activities. The mining industry has not been foreign
Jan 21, 2025
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A Work Area Monitor (WAM) to protect Blast Crews from Rock FallsBy David Scutt, David Noon
Blast crews are exposed to a number of major hazards including explosives and chemicals, ground conditions, machinery, unique work environments and specific blasting hazards such as fly rock and misfi
Jan 1, 2011
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Effects of Structural Setting and Rock Properties ono Amplitudes of Surface Motions in the Vicinity of Small Explosive TestsBy Diane F. Baker, Cathy Aimone-Martin
A series of small-scale explosive experiments were conducted in a perlite mine near Socorro, New Mexico. These experiments were a joint effort between Los Alamos National Laboratory, New Mexico Instit
Jan 1, 1994
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Studies on Blasting Accident – A Case StudyBy B. M. P. Pingua, M. Nabiullah
Number of mine accidents occurred in Indian surface mines are due to poor quality of explosives and blasting accessories. Amlori open cast project is one of the major coal producing projects in India.
Jan 1, 2008
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Journal: Haz Mat 101, PART 2 – Hazardous Material Placarding for Highway Transportation in Commerce of Explosives, Oxidizers, and Combustible LiquidsBy Tom Snyder, John Brulia
"The U. S. commercial explosives industry annually transports thousands of tons of hazardous materials (HM) in the form of explosives, oxidizers, and combustible liquids by highway in truck-tractor/tr
Jan 1, 2014