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Optimization of Blast Design Parameter for Ring Blasting in Underground Hard Rock Mine Using Numerical Simulation
By VIVEK KUMAR HIMANSHU, Murari Prasad Roy, Kaushik Dey, Rakesh Kumar Singh, Ashish Kumar Vishwakarma
Sublevel stoping is commonly adopted method in underground hard rock mining. Proper planning and its execution is the key requirement for stope extraction using this method. The stope extraction has b
Feb 6, 2023
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Increasing El Toro Mining Productivity through the Application of Massive Blasting Techniques while Reducing Environmental Impact on Neighboring Communities
By César Ugaz Castañeda, Paulo Fernández Alvarado, Richard Sotomayor Oblitas, Rocke Enríquez
Mina El toro has been making substantial changes in its operation to improve its social impact and productivity. Because of the use of gasified emulsions and electronic initiation system, it was possi
Feb 1, 2020
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Transforming Underground Blasting Operations into Primary Crushing Operations
By Christopher Jon Preston, Troy Williams, Daniel Roy
There has been significant progress made with narrow vein gold mines in which a second option for crushing has begun to attract attention. To ensure the profitability of a mine that has based its econ
Jan 1, 2019
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Western Europe's Largest Underground Blast
By P McConnell, T Garrigan
Tara Mines Limited, in Ireland, is Western Europe's largest zinc mine. Annual metal production, from 2.5 million tonnes of ore, consists of 180,000 tonnes of zinc and 34,000 tonnes of lead.
Jan 1, 1989
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Driving Continuous Improvement Through Blast Design Technologies in a Surface Quarry
By Toby Forney, Joshua Schoonover
In typical surface quarry operations, productivity and efficiency related to pit development begin with drilling and blasting efforts. By embedding technology within drilling and blasting operations,
Feb 6, 2023
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Permitted Explosives Research work in Australia
By Duncan Chalmers, Rob Nowell, Miguel Araos
Australian underground mines produce in excess of 60 mtpa of coal. Most of these use the longwall method, and they require the use permitted explosives (which are called “permissible” in other countri
Jan 21, 2025
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How to Achieve 100% of Advance in Tunnel
By Alan Diaz Butron, Eng. Thierry Bernard
"In tunnel blasting the most challenging objective is definitively obtaining the maximum advanceassociated to a minimum overbreak. Achieving 100% of advance with no overbreak is the targetchallenge by
Jan 1, 2017
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Effect of Artificial Discontinuities Formed by Presplitting with Different Depths on Structural Damage Risk
By Enver Alan
This Research & Development (R&D) study was conducted in the field of applied blasting engineering in Ethiopia, within the AKH Railway Project, which was built in Girena, within the boundaries of the
Feb 1, 2020
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Blasting in Tunneling
By Midori Sakamoto, Nobuaki Sakuma, Tsuyoshi Murashita
Recently, tunnel blasting works near the residential area and existing building are increasing and environmental problems caused by vibration have become serious public concern. In order to solve thes
Jan 1, 1998
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Low Cost Raw Materials for Emulsion Explosives Applications
By John Manka
Emulsion explosives consist of an aqueous oxidizer phase, a fuel phase, and an emulsifier. The ability to use lower-cost sources for any of these raw materials presents an obvious economic advantage t
Jan 1, 2003
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An Energy Equality Approach to Blasting
By Daniel Scott
Mines have used explosives for economical fragmentation for many years. It can therefore be expected that the mining industry has thoroughly researched how to achieve the most efficient blast. However
Jan 1, 2012
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Integration of Mine Resources in the Optimization of Shot Documentation
By Kyle Apple
The following is a case study of how LuckStone Corporation improved their blast monitoring and documentation program. A number of resources already at their disposal have been utilized to improve the
Jan 1, 2001
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Journal: Haz Mat 101, PART 2 – Hazardous Material Placarding for Highway Transportation in Commerce of Explosives, Oxidizers, and Combustible Liquids
By 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
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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
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Vibration Monitoring Standards Connected to the Use of Explosives in Different Countries
By Johan Finsteen Gjødvad, Mathias Jern
The paper is part of the ongoing work of the Environmental committee of EFEE. To assist the European experts working with explosives one of the aims is to improve the common knowledge of similarities
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Vibration Monitoring Standards Connected to the Use of Explosives in Different Countries
By Johan Finsteen Gjodvad, Mathias Jern
The paper is part of the ongoing work of the Environmental committee of EFEE. To assist the European experts working with explosives one of the aims is to improve the common knowledge of similarities
Feb 1, 2020
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Tehachapi, CA, Double-Track Project, Rock Slope Design and Excavation
By Thomas Pallua, William C. Gates
"Two major railroad companies have identified several segments along the railroad corridor betweenTehachapi and Bakersfield, Kern County in California that require construction of a second track to im
Jan 1, 2017
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A Review of Contemporary Blast Design Data and Rules of Thumb
By David La Rosa, Matthew Craft, Lee Julian
Rules of thumb are ubiquitous in blasting. Typically presented as ratios, they assist with the initial assumptions of blast design and provide guidance for best practice. Examples include the blast ho
Feb 6, 2023
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Design Software for Electronic Detonators
By Kia Riihioja, Mike Higgins
A major difference between electronic and pyrotechnic detonators is that, in almost all but the simplest of blast layouts, computer software is required to plan a blast using electronic detonators. Wh
Jan 1, 2004
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Gas and Dust Explosion Research at the UKERT Lab
By Jaco van den Berg, Dr. Todor Petrov, Dr. Josh Calnan, Dr. Jhon Silva
This paper shows and reviews the similitudes and differences in explosions generated by high explosives and gas explosions, the reasons why gas explosions are difficult to replicate using high explosi
Feb 1, 2020