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  • ISEE
    Crack Displacement and Vibration Measurement of an Underground Portal

    By Douglas Rudenko PG, Jay Elkin, Siavash Mahvelati Ph. D.

    Very little studies have investigated the behavior of cracks in unlined tunnels over long periods of time, especially when such flaws are subjected to blast-induced vibrations. Using a pool of 30+ bla

    Feb 1, 2020

  • ISEE
    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

  • ISEE
    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

  • ISEE
    Recent Projects - Emergency Bridge Blasting

    By Brent Blanchard

    As most veterans of our industry are aware, explosive demolition by its very nature is often a challenging proposition. Even under the best of circumstances, proper planning and care must be taken dur

    Jan 1, 2003

  • ISEE
    Study of Ultrafines Control in Blasting

    By A. Andrades, E. Arias, Y. Pizarro, J. Alarcón

    Division Ministro Hales - Codelco (DMH) is located at 2600 meters above sea level, 10 km north of the city of Calama, Antofagasta region, Chile. In operation since 2010, it corresponds to a porphyry

    Jan 1, 2024

  • ISEE
    Application of the Selective Loading to the Rock Mass Characterized through Drill Monitoring for Autonomous and Manual Drilling Mode to Optimize Blasting Results in Open Pit Operations

    By Jorge Blázquez, Pablo Ravanal, Paulo Couceiro, Juan Navarro

    Blasting performance is influenced by rock mass properties and blast design parameters. From them, the rock is the only variable that cannot be modified, but it can be measured, so that, blast design

    Feb 6, 2023

  • ISEE
    Study of Linear Waves on Linear Shaped Charges

    By G. Walsh, M. T. Wild

    In this paper the performance effects of linear shaped charges will be discussed. Different sized charges were tested and reviewed based on their performance used with a typical detonation method vs.

    Jan 1, 2011

  • ISEE
    New controlled drilling and blasting methodology to preserve the central shaft in a copper mining unit in central Perú.

    By Samir Garcia, Alain Mestanza

    This technical work was carried out in an open pit copper mining unit, located in central Peru, which has a daily production of 440 thousand tons per day. Currently the pit consists of three mining ph

    Jan 21, 2025

  • ISEE
    Ore guiding in underground mining using MWD and machine learning

    By J. Sanchidrián, A. Fernández, P. Segarra

    The combination of chemical analysis techniques as XRF and measurement-while-drilling (MWD) technology in underground mining is a novel approach to gather comprehensive on-line information about physi

    Jan 1, 2024

  • ISEE
    Determination of Presplit Borehole Pressure

    By Dr. Paul Worsey, Dr. Calvin Konya, Dr. Anthony Konya

    Development of methods to calculate presplit blasthole pressures through simplified models, namely the Empirical Model and the Detonation Pressure Model. These models can be used with variations in ex

    Feb 1, 2020

  • ISEE
    Advance Blasting using Drone Mapping and AI for Comprehensive Blast Performance Analysis

    By Dr. Anurag Agrawal, Fathur Rozaq, Nella Lubis, Relinda Sanistya, Herry Saputra, Rudolf Sitorus

    In mining operations, basic drone applications such as pre- and post-blast photo comparisons, blast video recordings, and sample-based fragmentation analysis are often used to assess blast performance

    Jan 21, 2025

  • ISEE
    Drilling and Blasting in Hot and Reactive Ground Conditions at Barrick Goldstrike's Meikle Mine

    By D. Scott Scovira, Remi Proulx

    The Meikle Mine is a high grade, underground gold mine utilizing primary-secondary longhole open stoping with delayed backfill to produce 3000 stpd of ore. Hot and reactive ground conditions were enco

    Jan 1, 2000

  • ISEE
    A High=Preformance Vibration Monitoring and Data Distribution System for Large-Scale Urban Development Projects

    By Robert Lee, Pertti Paavola

    Automated vibration monitoring and web-based data distribution has proven itself on the largest single construction project ever undertaken in Finland. The excavation for the Kamppi Center Project in

    Jan 1, 2004

  • ISEE
    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

  • ISEE
    Blasting Improvements by Using Most Active Rock Variations on Blast

    By Alain Blanchier, Anne Charline Sauvage

    Rock mass variations have a huge influence on explosives efficiency and on blasting results. Numerous blasting improvements could be gained by taking into account rock mass and its variations. However

    Jan 1, 2004

  • ISEE
    Review and Learnings from a Surface Quarry Rockfall Incident

    By Andrew Moore

    It has long been common practice to conduct drilling and blasting operations at surface quarries in the Midwest in close proximity to near-vertical highwalls. The main reasons for such an approach, an

    Feb 6, 2023

  • ISEE
    Advanced Blasting Optimization for Enhanced Productivity: The X-2Mill Solution

    By Jorge Blázquez, Paulo Couceiro, Patricio Vergara, Luis Martínez, Juan Navarro

    This study introduces the X-2Mill solution, a refined two-step methodology aimed at optimizing blast designs by aligning explosive energy with rock properties. The approach employs the X-4Traits Model

    Jan 21, 2025

  • ISEE
    Simulations of Full-scale Bench Blasts using FDM (Fracture Density Model)

    By Dale S. Preece

    A new three dimensional (3D) mechanistic model of fragmentation, called the Fracture Density Model (FDM) is used to simulate full-scale bench blasts at the Bararp dimensional stone quarry in Sweden. T

    Feb 1, 2020

  • ISEE
    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

  • ISEE
    Productive Partnership – Advanced Blasting Technology at Newlands Coal Mine

    By Les Willan, Chris Batten, Matt Sparkes

    In late 2008 Xstrata Newlands Coal Mine in Central Queensland and Orica Mining Services engaged in discussion to investigate methodologies to change their current mining practices and overcome the iss

    Jan 1, 2010