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  • ISEE
    GEM (Geologic Element Motion) Blast Heave Modeling with More Element Shapes and Energy Partitioning

    By Stewart A. Silling, C. Mick Lownds, Dale S. Preece, Ali Bhuiyan

    GEM (Geologic Element Motion) is a Distinct Element Method (DEM) for modeling blast-induced heave. It was developed with a very fast computational algorithm that efficiently treats many different elem

    Feb 6, 2023

  • ISEE
    Detailed Planning Underscores Expansion of Vulcan's Chattanooga Quarry

    By R L. Mayville

    The author explains why the strategic location and important limestone reserves at Chattanooga Quarry led to a decision to extend operating life by continued benching down to lower levels. He discusse

    Jan 1, 1984

  • ISEE
    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

  • ISEE
    Kuz-Ram Equation Analysis: A Reparametrization for the Peruvian Case

    By Dennys Huaman, Carlos Rojas

    Using the Levenberg-Marquardt algorithm to reparametrize the Kuz-Ram original model equation of the mean characteristic size and assess the errors of both models and their comparisson using different

    Feb 1, 2020

  • ISEE
    Valdez, Alaska Glacier Point Quarry – One Shot / One Chance for Success

    By Billy Rosseau, Mike Cammack, Richard O’Meara, Gustavo Azpilcueta

    During the summer of 2014, the U.S. Army Corps of Engineers (USACE) sought proposals to vastly improve and expand the small boat harbor in Valdez, Alaska. It would be a multi-year project, and constru

    Jan 1, 2017

  • ISEE
    Ring Blasting Mine to Mill Optimization

    By Joel Chipana, Roberto Laredo, Benjamin Cebrian

    Ring blasting is a common production method in underground metal mines. As a drill and blast process, it presents particular features that do not correspond with bench blasting in open pit or undergro

    Jan 1, 2017

  • ISEE
    Blast Vibration Analysis from Signature Holes

    By Nikolaos Petropoulos, Ulf Nyberg, Daniel Johansson

    A series of signature boreholes were blasted to observe any difference between confined and free face blasts. Four geophones were used to capture the compressive wave. The conventional approach, i.e.

    Feb 1, 2020

  • ISEE
    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

  • ISEE
    Using New Technologies to Achieve Customer Tailored Fragmentation

    By Felix Degold, Mark Ganster

    Achieving a customer optimized fragmentation by using robust data from new technologies e.g. GPS positions of boreholes, fragmentation analysis to calibrate the geology and fragmentation prediction mo

    Feb 1, 2020

  • ISEE
    The Recovery of a Dozer from a Highwall Using Blasting

    By Tyler Acorn, Tristan Worsey

    A dozer operator at a surface gold mine accidentally drove a D10 off the side of a highwall. The blade of the dozer caught on the lip of a catch bench 60 ft. (18.3 m), down stopping its descent. The o

    Jan 1, 2014

  • ISEE
    Effect of Geology and Mechanical Properties of Rock on Blast Results

    By Ph. D. Favreau, Favreau Patrice B. Eng, R. F.

    Geology is important in mining by helping to identify the rocks which contain sufficient valuable ore to justify their excavation. Geologists give a geological name to each rock type, so geology is a

    Jan 1, 2019

  • ISEE
    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

  • ISEE
    Blasting 1.5 T of Dynamite, Hang up on a Cliff, 125 m Above a Hydroelectric Power Plant

    By Thierry Bernard, Philippe Dozohne

    May 13th, in the back country of Nice @arice) collapsed a complete piece of mountain, cutting the RN 2085 and destroying a part of Valabfre’s viaduct. The fist inspections of the site showed that mate

    Jan 1, 2001

  • ISEE
    Mountain Mass Surrenders to Man's Initiative & Daring

    By Yogesh Narula

    Nevis Bluff Landslide - On September 17” 2000, a rockfall measuring lO,OOOm3 at Nevis Bluff, New Zealand, triggered a loday emergency. It ended when a hazardous column of rock that towered over State

    Jan 1, 2002

  • ISEE
    Case Study: Systematically Improving Drilling and Blasting Operations in Hard-Rock Mines

    By Reinhold Daykin, Piers Wendlandt, Nathan Rouse

    Drilling and blasting are key components of every hard-rock (i.e., metal/nonmetal/coal) mining operation. Well-executed and maintained drilling and blasting can have a major positive impact on the ove

    Feb 1, 2020

  • ISEE
    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

  • ISEE
    Unlocking the Wealth From Benefit Sharing in Drill and Blast

    By Lawrie Logan, Mike Wiggin

    This paper will be in two parts, a discussion of the benefits available from benefit sharing as a concept followed by an examination of how this approach was applied at Mesa J Mine and what improvemen

    Jan 1, 2001

  • ISEE
    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

  • ISEE
    Impact of Blasting on Resource Recovery, Mining Profit, Safety, and the Environment

    By Z X. Zhang

    If the iron ore loss is 15% in the process of mining, the total iron ore loss in the world will be about 461 million tons, this is equal to the total production of 230 iron ore mines each of which pro

    Jan 1, 2014

  • ISEE
    Applying Remote Sensing and Geographic Information Systems to Blast Designs

    By Laurence Neufville

    Proper risk assessment and blast design are very desirable to the execution of a blast. Not only will this ensure that it achieves its desired outcome, but the probability of complaints and litigation

    Jan 1, 2009