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  • ISEE
    Effect of Boulder Geometry on Hydraulic Fragmentation using Small Explosive Charges

    By Paul Worsey, Richard P. Ayres, Mark F. C. Schmidt

    A new alternative technique designed to reduce rock scatter and flyrock during boulder blasting is being developed at UMR. The method uses small explosive charges and is designed for shooting in close

    Jan 1, 2000

  • ISEE
    Evaluation of Emergent Electronic Detonators and Modern Non-Electric Shocktube Detonators Accuracy

    By J Silva Castro, W C. Wedding, B T. Lusk, J Calnan, E G. Morris

    The emergence of electronic detonators for use in production mine blasting has enabled mining professionals to rethink the traditional blast design methodologies that pertain to timing. In many ways,

    Jan 1, 2012

  • ISEE
    Pioneering with Medium Diameter Lifters

    By Luke Thornton, Jack Janssen

    An unconventional drill pattern is used in an aggregate quarry to reduce pioneering costs. The site is the Iron Mountain Quarry, Granite Falls, WA., an aggregate quarry with an annual production of in

    Jan 1, 1997

  • ISEE
    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

  • ISEE
    Case Study: Iterative Design Process of Presplitting in an Underground Overhand Cut and Fill Mine

    By David Porter, Nathan Rouse

    The implementation of presplit blasting has been widely utilized in open pit and underground tunneling. This case study works through the iterative process of developing a heading drill and blast desi

    Feb 6, 2023

  • ISEE
    Baseline Corrections for Mining Blast Vibrations

    By Jhon J. Silva Castro

    Blast vibration records used in mining contain unwanted information in the form of noise due to long-period drifts, background noise, and noise due to the conversion of the analogue signal to a digita

    Jan 1, 2015

  • ISEE
    Stope Blast Improvement by a New Blast Design in Leeville Underground Mine

    By Miquel Lamadrid, Changshow Sun, Chris Johnson

    To reduce blasting overbreak and improve stope stability, several new blast designs were proposed for current and future stopes. Based on the analysis of the powder factor, and the extent of damage zo

    Jan 1, 2008

  • ISEE
    Innovative Methods of the Use of Explosives and Non-Explosive Demolition Methods in Sensitive Areas; Non-Explosive Demolition Agents to Enhance Profit Margins in Difficult Rock or Concrete Removal Projects

    With the ever increasing problems of narrowing profit margins, and increased liability, a solution/option to SEE members is needed. It is essential that all members understand the benefits of utilizin

    Jan 1, 1995

  • ISEE
    Blast Modification to Improve Bench Width Reliability at the EKATI Fox Pit

    By D Anonby

    The Fox Pit at EKATI Diamond Mine is designed with 11 m wide benches excavated using a double benching technique leaving 30 m high faces. Blasting tests were conducted to increase the percentage of be

    Jan 1, 2007

  • ISEE
    Controur Control blasting in Soft Rock Excavation

    By W. Jiao, Y. Yongqi, R. Shan

    Soft rock mines are distributed through out P.R.C. And drilling and blasting is still the main method of driving a tunnel in these mines. Traditional smooth blasting has been widely and deeply studied

    Jan 1, 2000

  • ISEE
    Application of the NIOSH-Modified Holmberg-Persson Approach to Perimeter Blast Design

    By Chick Kerkering, Stephen Iverson

    Perimeter control blasting is common in civil construction projects but not as common in mining. A poorly designed and executed underground mine development blast design can result in unwanted wall ro

    Jan 1, 2008

  • ISEE
    Tigerwin - a Windows PC Code from Computing Explosives Performance and Thermodynamic Properties

    By Per-Anders Persson

    TIGERWIN, now on CD, is a user-friendly personal computer code (running under Windows) which determines the detonation and expansion state of an explosive from its known chemical composition. TIGERWIN

    Jan 1, 2000

  • ISEE
    Acoustic Response of Structures to Blasting

    By Braden Lusk

    This paper includes results from analysis of recorded Acoustic Responses of Structures to Blasting. The analysis was performed to determine specific characteristics of sounds experienced inside homes

    Jan 1, 2009

  • ISEE
    Explosion Hazards and Quantity-Distance Regulations – A Review of their Physical Basis

    Currently there exist several explosive quantity-distance (Q-D) rules variously exercised by most countries to protect personnel and property against the effects of accidental explosions. These regula

    Jan 1, 2011

  • ISEE
    Explosion Hazards and Quantity-Distance Regulations - A Review of their Physical Basis (b24b512b-7da2-4772-bd11-3f3a997ff6c3)

    By B Mohanty

    Currently there exist several explosive quantity-distance (Q-D) rules variously exercised by most countries to protect personnel and property against the effects of accidental explosions. These regula

    Jan 1, 2014

  • ISEE
    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

  • ISEE
    A Reanalysis of Fragmentation Data from the Red Dog Mine

    By Finn Ouchterlony

    "Recently detailed fragmentation data from blasts fired with electronic delay detonators (EDDs) in the Red Dog mine in Alaska were presented. They include a comparison with pyrotechnic detonators ford

    Jan 1, 2012

  • ISEE
    Threshold Shock Initiation Parameters of Liquid Phase Ammonium Nitrate

    By Allan King

    Ammonium Nitrate (AN) is most commonly encountered as either a prilled solid or a highly concentrated aqueous solution, with or without organic ( e.g amine) nitrates. Under certain conditions of fire

    Jan 1, 2008

  • ISEE
    Controlled Blasting for Grasberg Slope Optimization

    By Allen Kinney, P. T. Freeport

    This paper presents the methodology for final wall-controlled blasting utilized at the Grasberg Mine. The resulting optimized slopes representa14%and17% increase to bench face angle (BFA) and inter-ra

  • ISEE
    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