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Potential Applications of Ultra High Intensity Blasting, UHIB
By Egonk Arriagada, Jair Alarcon
The efficient use of energy in the ore comminution process is an increasingly important strategic issue for improving the productivity and competitiveness in the mining industry as is in recent years
Jan 1, 2015
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Rock Drilling Safety - Bench Top Cleaning Versus Blasted Rock Debris Drilling
By Amund Bruland, Vegard Olsen
This paper presents analytical assessments around unintended misfire detonation, within rock debris drilling and bench top cleaning, primarily in the quarrying and mining industry. The main purpose of
Jan 1, 2008
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The Fundamentals of a Good Electronic Initiation System Program
By Thomas Barkley
Until the recent past, blasters have provided good to excellent results with tools and processes that have an inherent error. These errors can be found in drilling, explosives delivery quality and con
Jan 1, 2011
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Explosive-Driven Power Generation Research at the University of Missouri-Rolla
By P. N. Worsey, M. Schmidt
Many advanced military systems and civilian power generation concepts postulate the availability of compact sources of electrical power capable of delivering gigawatts over microsecond time scales. Fo
Jan 1, 2000
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Auditing Underground Development Drilling and Blasting
By Thomas L. Barkley
My historic auditing of Underground Drilling and Blasting Practices has demonstrated to the author the need for reviews of many mines' procedures in these processes. Poor understanding of the basic pr
Jan 1, 2019
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Dynamic Response of Buried Oil Pipeline Caused by Tunneling Blasting
By Zheng Shuangying
The vibration effect of the buried oil pipeline caused by tunneling blasting affects the pipeline safe transportation, tunnel construction schedule and its construction cost. The dynamic response char
Jan 1, 2015
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Surplus Military Propellants as Ingredients in Commercial Explosives
By Kevin Tallent
The use of military-type energetic materials in commercial explosive products is not a new concept. In the United States, the techniques for utilizing significant quantities of surplus military explos
Jan 1, 2000
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Blast Noise Annoys
By David E. Siskind
Increased mineral consumption and environmental concern have caused much interest in potential damage and annoyance from ground vibration and airblast produced by production blasting in surface mines
Jan 1, 1977
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Urban Tunneling for the MWRA's Boston Harbor Clean Up
By Gordon C. Petersen, Gary A. Almeraris
This paper describes the controlled blasting techniques required to mine a rock tunnel section of a main interceptor located in the Boston Metropolitan area. The 3m (10 ft) x 2.8m (9.25 ft) horseshoe
Jan 1, 1991
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Rock Removal Techniques and Equipment in Trench Excavation and Pipeline Construction. A Comparison
By Benedict C. Di Duca
In the underground construction industry. when bidding work, not only is the contractor faced with determining if rock: is in existence within the parameters of his work. he must also estimate the qua
Jan 1, 1990
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Process Intensification of Emulsion Manufacture
By Shuli Teng, Vladimir Sujansky, Matthew Rawls, Ivan Junarsa
In recent years significant advances have been made in chemical processing technology. In particular, process intensification using micro-technology has had some success in changing and improving chem
Jan 1, 2014
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Wall Control at the Freeport Grasberg Opencut Mine: Vibration and Gas Penetration Measurements as a Precursor to Improvements
By A. Spathis, I. Yacob, A. Labriola, G. Smith
Wall control is a significant issue for many mines. Improvements to the design process for blasts adjacent to temporary or final walls will require better measurement tools and predictive models. Oric
Jan 1, 2001
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Seismic Monitoring During Blastings of Building Pit for WTC at Rijeka
By 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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Surgical Blasting for Paleontological Evidence, Dominion Range, Antarctica
By Quentin L. Rhoton
"The use of explosives in a surgical manner was approved to facilitate, due to time constraints, anextremely significant paleontological find in the Plunket Point area of the Dominion Range, Antarctic
Jan 1, 1999
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Diamonds are a Driller's Best Friend
By Langdon T. Mitchell, Karl Ingmarsson
The title is not referring to jewelry; nor is it about diamond core drilling. This article is instead about an emerging application for diamonds, hard rock percussive drilling with diamond drill bits.
Jan 1, 1999
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Assessment of the Relative Efficiency of Two Stemming Materials
By Tapan Goswami
A column of stemming material keeps explosion gases at high pressure for longer times in a blasthole. In general, use of appropriate stemming enables the achievement of the desired level of fragmentat
Jan 1, 2000
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The Specifications said No Blasting
By Timothy Fogarty, Gregory Poole, Roger Reeder, David Switz
This project involved the construction of a new pump station and intake structure at an existing water treatment facility. Although the project involved a significant amount of rock removal, the speci
Jan 1, 2012
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Analysis of Sympathetic Detonation in Detonating Cord
By Josh Calnan, Paul M. Holmgren, Abigail N. Styer
Detonating cord is a staple of the explosives industry, used widely in the civil and defense industries. Detonating cord is a thin, flexible plastic tube filled with pentaerythritol tetranitrate (PETN
Feb 1, 2020
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Efficient and Safe Pre-Split Blasting Through Mechanized Explosive Loading System
By Jorge Cárdenas, Gustavo Huerta, Regina Rocha Oriundo, Miguel Angel Humpire, Johan Salas Flores
Currently a critical activity for slopes stability and safety in mining is pre-split blasting to reduce damage from trim blast. Most common explosive used are based on packaged explosives, with 1 ½ in
Feb 6, 2023
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Drone Technology Utilization to Increase Safety and Support Analysis for Blasting Process
By Ery Wardhana, Stefanus Jagad, Relinda Sanistya, Hasucita Tausi, Rido Situmorang
The blasting process is one of the most high-risk activities in mining operations. Shotfirers and blasting crews face hazards from slope failure, toxic gas and fumes, or unstable ground condition ever
Feb 6, 2023