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Influence of Environment on Explosively Driven Shock Waves in Air
By Joshua Hoffman, William Chad Wedding, Braden Lusk
The University of Kentucky employs an explosively driven shock tube in the course of experimentation. A good deal of the work completed relates to the verification of blast mitigation products and str
Jan 1, 2011
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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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Natural Cavities in Iron Ore Deposits in Brazilian Northern Region: Challenges and Strategies
By Anderson Meireles, Leonardo Soares Chaves, Raul Carretero Hoz, Carlos Eduardo Soares Feliciano, Renato Jacome Costa
The large iron deposits in the northern region of Brazil located in the Amazon Craton have in common the presence of natural cavities. These cavities primarily occur in the upper layer of the ore body
Jan 21, 2025
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Difficult Sinking Cut in Severe Winter Conditions Improves Productivity at Lac Des Iles Mines
By Cary Moffat, John Kita, Rick Walker
The Lac des Iles Mine, in an isolated area of NorthwesternOntario is a relatively new open pit platinum and palladium mine. They were encountering problems with the equipment and production scheduling
Jan 1, 1996
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Development of Controlled Blasting Pattern for Rock Excavation to Create Foundation of an Industrial Establishment
By Dipankar Gorain, A K. Vishwakarma, Vivek K. Himanshu, Murari P. Roy, Shubham Singh, R S. Yadav
The industrial establishments of a power plant consist of many important structures viz. cooling tower, wagon tippler, track hopper, plants and offices. The leveled foundation is the utmost need for e
Feb 6, 2023
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Vibration Analysis for Blasting on a 16th Century Environment in Toledo - Spain
By Jesus Pascual, Benjamin Cebrian
A new Convention Center is going to be built in the millenary city of Toledo, right in the old city limits. The workings will need to excavate some 80.000 cubic meters of granite, which has, a trench-
Jan 1, 2004
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Application of Differential Blasting for Value Chain Optimisation
By Stephen Mansfield, Saran Sankar
The Sentinel open pit copper mine, operated by First Quantum Minerals Ltd, is located in the North West province of Zambia. The Sentinel orebody is a sediment-hosted, structurally modified deposit in
Jan 21, 2025
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Segregation Blasting Using Electronic Initiation at the Coeur Rochester Mine, Nevada
By Donald Wagstaff, D. Scott Scovire
The Coeur Rochester Mine is the largest primary silver surface mine in North America. Throughout its 17-year life, gold and silver grades leaving the tertiary crusher have typically been, on average,
Jan 1, 2004
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Investigation of Blasting Fumes using Numerical Simulation
By Sunil Vytla, Akash Adhikari, Purushotham Tukkaraja
Blasting operations produces gases and fumes that may be toxic or non-toxic in nature. A detonation of commercial explosives such as ANFO, emulsion, and dynamite would ideally produce only nontoxic pr
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Automatic 3D Fragmentation Analysis from Drone Imagery
By Andreas Gaich
A new 3D fragmentation analysis method for muck piles is presented. It works with aerial imagery from UAVs (drones) and handles entire muck piles with minimum user intervention.
Feb 1, 2020
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Electronic Detonator Timing Approaches for Surface Quarries and Metals Mines
By Tristan Worsey, Nathan Rouse, Evan Thibaud
Electronic detonators allow for variability and accuracy with blast delay selection and timing sequence. However, a single published guideline for selection of electronic timing delays is not availabl
Jan 21, 2025
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Charleroi Locks and Dam - Old River Wall Explosive Demolition
By David Harrison
The Charleroi Locks and Dam (Figure 1) was completed in 1932 and is located on the Monongahela River, approximately 22 miles (35 km) south of Pittsburgh, in Charleroi, Pennsylvania. It is comprised of
Jan 1, 2015
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Performing decking with the use of an inflatable plug in high or total submergence applications in blastholes to improve final wall profile & stability
By Glenn Tobin
The overarching goal in modern drill and blasting operations is that of optimising mining operations to achieve higher levels of productivity, safety, profitability and sustainability. Air decking, a
Jan 1, 2012
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Super Accurate Detonators - A Rockblaster's Dream
By Jan Westberg, Roger Holmberg, Bernt Larsson
Over the last couple of decades there has been an increased demand from the market for precision detonators, partly because of a need for better blasting results and partly because of a need for bette
Jan 1, 1988
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Modeling An Artificial Screen For Reducing Seismic Vibration
By Lazar Kricak, Vladislav Kecojevic, Dragan Bogunovic
In spite of many advantages explosives have, their usage may cause environmental problem such as seismic vibration. One of the solutions to this particular problem may be application of an artificial
Jan 1, 2007
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Maximizing Mining Recovery Through Advanced Blasting Techniques and Blast Movement Management
By Aris Tambunan, Nella Lubis, Nurafrianti Saala, Komang Widhiayanto, Herry Saputra, Rudolf Sitorus
Maximizing mining recovery rates and minimizing ore loss are pivotal objectives for economic efficiency and operational effectiveness. This study explores methods to address these imperatives by enhan
Jan 21, 2025
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Refinements in Blasting Practices at Minntac Mine
By B Kniivila, A B. Andrews, T Lerick, Keith Jansen
Minntac Mine is a large, open pit taconite mine located at the center of the Mesabi Iron Range in northern Minnesota. The planned development of the Mine in the direction of nearby communities prompte
Jan 1, 1984
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Bench Blasting Design Based on Analysis of Blast-Induced Ground Vibrations at an Open Pit Coal Mine in Turkey
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Alper Celtikci, Serdar Celik, Yucel Karakus
This paper presents bench blasting designs based on results of vibrations analysis on test shots organized in an open pit coal mine located near to Soma district at Manisa province in Turkey. There ar
Jan 1, 2012
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Blasting a Diversion Tunnel through the Abutment of a "Meta-Stable" Dam
By Jennifer Williams, Donald J. Berger
Originally built between 1913 and 1916, the Ashton Dam & Hydroelectric Facility has experienced various seepage and piping incidents since completion. Ashton Dam is located within 15 miles (24 km) of
Jan 1, 2014
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Case Studies Using the Multiple Blasthole Fragmentation (MBF) Model at Open Pit Mines in Canada
By Scott King, Norm Patterson, Ruilin Yang
The multiple blasthole fragmentation (MBF) model developed by Orica models the contributions from multiple blastholes to fragmentation at any given point in the rock and simulates a production blast w
Jan 1, 2018