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Increase in Production and Dilution Control in Narrow Vein Ore Bodies
By Victor Munoz, Jorge Oliva, Gonzalo Marias
Cerro Vanguardia is a known gold and silver deposit located in the province of Santa Cruz, Argentina. The mine has been in operation since 1998 and is thought to be one of the most important mines in
Jan 1, 2019
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Field Testing of Aluminum Mesh for Blast Mitigation Properties
By Joshua Hoffman, Braden Lusk, Kyle Perry
Despite its porous and lightweight characteristics, aluminum mesh is believed to have blast mitigation properties. The current use of the mesh includes fuel tanks for airplanes, boats, and fuel statio
Jan 1, 2009
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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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Structure and Crack Response to Coal Blasting in Brazil
By C. T. Aimone-Martin, V. L. Rosenhaim
Blasting near residential areas has become frequent in many locations throughout Brazil. It was deemed necessary by the authors to have a better understanding of how typical Brazilian structures respo
Jan 1, 2014
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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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Digital Shock Tube
By Theirry Bernard
The era of non-electric systems as an initiating system has revolutionised the blasting world by introducing a very safe initiating system that is reliable, with initiation sequence possibilities that
Jan 1, 2007
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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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Seismic Waves caused by Reinforced Concrete Decks impacting the Ground
By Andrea Francioso, Roberto Folchi
In order to comply with the latest European Highway Standards, the highway Salerno - Reggio Calabria, in southern Italy, had do be widened and upgraded to reduce its vulnerability to earthquakes. Rein
Jan 1, 2013
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Modeling of Signature Waves Based on Fourier Series for Blast Vibration Prediction
By B T. Lusk, Jhon J. Silva
"The original signature hole technique to predict vibration levels from blasting, is based on theassumption that each hole in a production blast, generates an identical vibration waveformarriving to t
Jan 1, 2012
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Improving Quarry Production Rates by Reducing Bucket Fill Time
By Elliott Giles
"Measuring a blast’s performance based on the bucket fill time or “diggability” has always been achallenge due to the subjectivity generally involved. The diggability of a blast is often based onopini
Jan 1, 2016
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Challenges Related to Near-Field Blasting between Critical Interstate and Railroad Infrastructure
By Luiz Felipe Mendonça de Amorim, Adimir Fernando Rezende, Gustavo Sampaio Lopes, Claudio Cesar Gajardo Arraño, Eltton de Sousa Veras, Manuel Villalobos Calderon
Many technical challenges were encountered while conducting near-field construction blasting between the critical intersection of Interstate 10 and multiple active railroad tracks in El Paso, Texas, f
Jan 1, 2019
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A Model to Predict Peak Particle Velocity for Near-field Blast Vibration - Based on Dominant Charge, Waveform Broadening, Delay Time Modeling, and Non-Linear Charge Weight Superposition
By Scott Scovira, Ruilin Yang
This paper presents a non-waveform blast vibration model for the near-fi eld. The model uses the concept of a dominant charge augmented by other contributing charges estimated using a scaled time wind
Jan 1, 2008
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Development of a Small-Scale Model for Caprock
By Paul Worsey, Matthew Coy
In the blasting industry, many different techniques are used to estimate and examine the effects of varying explosives and blast designs on the breakage of a rock mass. The overall objective is to fin
Jan 1, 2018
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Portable Rock Fragmentation Sensing Using 3D Imaging
By Ian Bell, Shahram Tafazoli, Bahram Sameti, Aylin Azmin, Edmond Chow, Nima Ziraknejad
Image-based rock fragmentation analysis methods have been applied by blast engineers to estimate rock size distribution for over 25 years. These methods utilize a wide range of image segmentation tech
Jan 1, 2014
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Pattern Expansion Optimization Model Based on Fragmentation Analysis With Drone Technology
By Francisco Sena Leite, Thomas Palangio, Vinicius Miranda
With an increasing pressure to find efficiencies in the mining industry, operations are looking for continuous improvement tools to validate blasting procedures, a crucial and often overlooked area of
Jan 1, 2018
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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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Sustainable Blasting Strategies for Long-term Mining Projects
By J. Fresnillo, M. Lopez Cano, S. Burgada, P. Couceiro, A. Jafa
This paper explores the sustainable use of the explosive’s energy for rock blasting and its role on the performance of downstream unit operations in mining applications. Since energy efficiency is bec
Jan 1, 2019
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A Study on the Correlation Between Delay Time and Fragmentation
By Yeon-Ho Jin, Eui-Haeng Heo, Yun-Seok Park, Sung-Oong Choi, Hyung-Dong Min, Min-Su Jeong, Seung-Joong Lee
As rock fragmentation in bench blasting can affect the following process such as loading, hauling and crushing, its good control is essential for assessment of blasting efficiency and production cost.
Jan 1, 2015
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Journal: New Approach To Aerial Photography
By Dale Ramsey
As someone who has enjoyed photography as a hobby for many years, aerial photography to me has always been an exciting way to give a different perspective to my images. Our industry is always in searc
Jan 1, 2015
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Cast Blasting: Design and Applications
By Travis Watts, Chris Prater, G. T. Lineberry
Moving overburden at minimal cost is becoming increasingly important to coal mining companies throughout the U.S. The coal market is currently doing well, with an average spot coal price for Central A
Jan 1, 2006