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How the USDA Uses Explosives to Remove Beaver Dams in Unique Locations
By Bruce R. Leland, Steven H. Smith, John D. Paulson
The USDA - Wildlife Services has been removing beaver dams with explosives for over 30 years. This paper will discuss the history of the explosives program, summarize how we've evolved, and highlight
Feb 1, 2020
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Efficient Blasting for Bench Stability and Fragmentation Results Improvement
By Javier Illanes Pizarro, Gustavo Huerta Valer, Jorge Cárdenas Miranda
Bench stability is the basis of sustainability in an open pit mining operation. Taking care of the pit walls while maintaining fragmentation results can prove a challenge. In this study, technical pro
Feb 6, 2023
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Quantifying Shovel Performance Through Blast Pattern Boundaries
By K. Taylor
In surface coal mining, the performance of a shovel through blasted muck is one of the key performance indicators of the blast. Historically, performance has been measured qualitatively based on opera
Jan 1, 2024
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Numerical Study on Controlled Blasting by Pre-cracked Notch
By Kwang-Yeom Kim, Dong-Gyou Kim, Hyo-Kwan Yoon
This study was intended to simulate the blasting model using notched-hole with numerical approach. Numerical analysis approach was applied to compare and evaluate the blasting model using notched-hole
Jan 1, 2010
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Use of Electronic Initiation System in Urban Shaft Sinking Project
By Richard Turnbull, James Purssey
"The Northconnex Project is a twin nine kilometre tunnel in Sydney, Australia, linking the M1 PacificMotorway at Wahroonga to the Hills M2 Motorway at West Pennant Hills. Access to the tunnels will be
Jan 1, 2017
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Method for Developing Explosion Damage Potential Contours in Urban Areas
By Braden Lusk
The problem of predicting damage in densely developed areas due to incidental or malicious explosions is one of considerable importance to local, state, and federal governmental bodies. The difficulty
Jan 1, 2010
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Preventing the next Terrorist Attack is a Shared Responsibility
By Joseph Kennedy
How do terrorists and other criminal bombers acquire explosives to be used in an attack against U.S property and/or citizens? The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) with nearly
Jan 1, 2010
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2000 High-Tech Seminar - State-of-the-Art, Blasting Technology - Instrumentation and Explosives Applications
Over 45 of the Best Qualified Technical Specialists, Consultants, Engineers, Scientists, Explosive Supplies, Educators and Mine Operators in the World!
Jan 1, 2000
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Blasting Versus Non-blasting Related Sounds in a House Near Surface Blasting
By Braden Lusk
A typical rural house surrounded by a surface coal mine was instrumented in 2008. Information regarding ground vibration, airblast, and sounds inside the house was collected. Previous publications hav
Jan 1, 2011
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A full-field solution to predict vibrations in the presence of a free surface
By J. A. Sanchidrián, P. Segarra, S. Gómez
Blasting is a common activity in mining that can cause significant damage in the remaining rock mass. The most commonly used method for predicting vibrations is the Swedish or Holmberg-Persson approac
Jan 1, 2024
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Journal: 100 Years / Scientific American New York December 2, 1911 The First National Mine Safety Demonstration Study Of A Real Mine Explosion By Charles L. Wright, Fuel Engineer, Bureau Of Mines
By Robert Hopler
THE work that is being done by the Government to reduce the dangers of mining was brought out strikingly in the First National Mine-Safety Demonstration which occurred at Pittsburgh, Pa., on October 3
Jan 1, 2012
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Controlled Blasting in Natural Geotechnical Structures (cavities) at the Hierro Mine - Brazil
By Sérgio Augusto Ferreira, Alan Gerson Diaz Butron, Carlos E. Arroyo, Marcus Neves, Jorhs Enrique Casimiro Huayhua, Dieggo Santos, Eventomar Junior
The presence of natural underground cavities is normally a characteristic of iron ore deposits, specifically in tropical deposits. Brazil and the United States are the only countries that have a legis
Feb 6, 2023
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An Empirical Method of Comparing Brisance of Various Bulk Explosives
By Neal Lee, Braden T. Lusk, Brendan McCray
"Selection of a blasting agent for optimum performance is based on many variables. Often, a decision is made with regard to product cost and field testing. Defining optimum performance can be difficul
Jan 1, 2017
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Implementation of a Real Time Traceability System from Mine to Plant
By R. Ticona, J. Alarcon
In the continuous search to provide comprehensive solutions and identify opportunities to improve ore traceability, from the blastholes to mill feed, different ore traceability systems have been devel
Jan 1, 2024
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Median and Mean in the Kuz-Ram Model
By CVB Cunningham
"The Kuz-Ram model as originally proposed included an error in assuming that the mean fragmentsize predicted by Kuznetsov’s equation was actually the 50% passing size. In 2003 Spathis began discussion
Jan 1, 2016
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Shaping the Panama Canal by Blasting – Pacific Complex’s Works
By Paulo Couceiro, Manuel Lopez Cano
"The Panama Canal is one of the most important engineering projects of the modern era and plays astrategic role in the global economy and international maritime trade since its inauguration in 1914. N
Jan 1, 2017
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A Comparative Study Of Ppv Analysis Of Tunnel Rounds Using Both Non Electric And Programmable Electronic Detonation
By Andrew Wetherelt
Blast vibrations are of paramount importance in a society where ever increasing development is putting more stringent requirements on their control. Increasing civil development and more complex extra
Jan 1, 2007
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Shock Impedance Method Applied to Detonation Pressure Measurements
By Santiago Gómez, Pablo Segarra, José A. Sanchidrián
In-hole detonation pressure measurements are unusual in the production environment of a mining operation, partly owing to the hostile conditions to which recording equipment and pertinent probes must
Feb 6, 2023
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HMX Based Electronic Initiation System for Blasting in High Temperature Ground and/or Extremely Reactive Ground
By K. Dufresne
Blasting in geothermally high temperature ground and/or extremely reactive ground is an increasing common challenge for surface and underground mines. Many current PETN based non-electric and electron
Jan 1, 2024
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Penetration Analysis of a Shaped Charge Jet into a Concrete Target
By Joseph Indeck, Seokbin Lim, Andrew Thompson
In the design of explosively driven penetration devices, understanding the impact conditions between the explosively propelled penetrator and the target is one of the most important steps in optimizin
Jan 1, 2011