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  • ISEE
    New Methods for Contour Blasting Using Electronic Detonators and Water-Notched Boreholes, Including Longer Drift Rounds and Cuts without Large Cut Holes

    By Mats Keisu, Bengt Niklasson

    The Sofia project has increased the level of knowledge and technique within tunnelling, drifting and contour blasting.

    Jan 1, 1992

  • ISEE
    Effects of Particle Size Distribution on Loading Performance

    By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Umit Ozer, Ertugrul Kaya, Kagan Ozdemir

    The results of bench blasting on quarries, have important influences on the performance of subsequent mining activities such as loading, hauling, crushing, grinding etc., and the total costs of that m

    Jan 1, 2008

  • ISEE
    Blast Vibrations: A Critical Component of Dilution Control at an Underground Mine

    Blast vibration analysis under relatively near-field conditions has been carried out in a narrow-vein underground operation. The objective was to characterize the vibration signal (particle accelerati

    Jan 1, 2003

  • ISEE
    Analysis of Dynamic Stability of Rock Slope Under Loading of Blast Induced Seismic

    By Wenbo Lu

    A combined method is present in this paper in analysis the dynamic stability of rock slope under the loading of blast induced seismic, in which, by combining the dynamic load calculating method of qua

    Jan 1, 1999

  • ISEE
    Predicting and Controlling Ground Vibration

    By James W. Reil, Douglas A. Anderson

    Blast vibration monitoring has generally been regarded as a necessary evil. New instrumentation and computer programs can change this. Rather than the usual trial and error methods to control vibratio

    Jan 1, 1989

  • ISEE
    Evaluating Explosive Type and Water-Casing for Demolition Kicker Charges

    By Rachel L. Bauer, Catherine E. Johnson

    Explosive demolition involves first, the use of cutting charges to sever a column and second, kicker charges to move it out of alignment. Dynamite is the traditional explosive used in kicker charges a

    Jan 21, 2025

  • ISEE
    Recent Projects - Perfect Landing Hyatt Regency Hotel Razed for Airport Expansion

    By Brent Blanchard

    Dallas/Fort Worth Airport recently took a major step in its fiveyear expansion project with the explosive demolition of the Hyatt Regency Hotel West. Built in 1965, the Hyatt Regency held the distinct

    Jan 1, 2003

  • ISEE
    The Influence of Damping on Computer Simulations of Rock Motion: Computer Modeling of Gas Flow and Gas Loading of Rock in a Bench Blasting Environment

    By Steven D. Knudsen, Dale S. Preece

    Computer modeling of the blasting process can aid in gaining an understanding of the physics controlling the process. The sequence of events in a blast occur so rapidly and in such a violent environme

    Jan 1, 1992

  • ISEE
    Borehole Dewatering Techniques and Systems

    By David A. Bacca

    Hydraulically powered submersible borehole dewatering pumps and emulsion/ANFO blends evolved at about the same time and for the same reasons. Mining operators needed safe, efficient dewatering systems

    Jan 1, 1994

  • ISEE
    New Technology in Vibration Measurements, Analysis & Data Management

    By D T. Froedge

    The latest development in vibration measurement equipment involves small microcomputer operated micro-sized seismographs. As the result of this there has been an explosion of the data generated by the

    Jan 1, 1994

  • ISEE
    The 8 Millisecond, "Criterion": Have We Delayed Too Long in Questioning It?

    By Douglas A. Anderson

    The simplest method used to predict ground vibration from blasting is scaled distance -the distance from a blast divided by the square root of the Pounds per delay. Pounds per delay is defined as the

    Jan 1, 1989

  • ISEE
    Emissions from Explosives

    By V. Wetzig

    In the past, various investigations have been carried out at the Hagerbach Experimental Gallery under accurately reproducible conditions, in order to determine the emissions emanating from blasting op

    Jan 1, 2001

  • ISEE
    Explosive Methods of Entry for Law Enforcement Tactical Operations

    By Charles O'Connor, Ben Tisa

    International Training Resources is a company consisting of personnel with extensive law enforcement and military special operations experience, The staff members are qualified to train and certify, a

    Jan 1, 2000

  • ISEE
    Ontario Hydra T.G.S. Chimney Demolition Thunder Bay, Ontario, Canada

    By Ray Jambakhsh, Gabrielle Bourget

    In the summer of 1998, Ontario Hydro awarded a contract to demolish an obsolete and inefficient chimney by blasting. The Ontario Hydro Thunder Bay Thermal Generating Station (T.G.S.), is a fully opera

    Jan 1, 2000

  • ISEE
    Fragmentation Interaction with Underground Mining Systems and Productivity

    By B Mohanty, Y C. Lizotte

    Optimization of blast fragmentation in underground hardrock mining requires analysis of its effects on loading and haulage equipment, together with the downstream materials handling system, with the o

    Jan 1, 1991

  • ISEE
    Discrete Element Modeling of Rock Blasting in Benches, with Joints and Bedding Planes - Initial Development

    By Dale S. Preece

    A Discrete element computer program named DMC @istinct Motion Code) has been developed for modeling rock blasting. This program employs explicit time integration and uses spherical or cylindrical elem

    Jan 1, 1995

  • ISEE
    The Seismic Visibility of Mining and Its Implications with Regard to the Comprehensive Test Ban Treaty

    By Frank Chiappetta, Karl Zipf, Robert Hopler, Brian Stump, Francois Heuze, Bob Martin, Vindell Hsu, William Walter, Craig Pearson

    The Comprehensive Test Ban Treaty (CTBT) was accepted for signature at the United ,Nations in September of 1996. It ‘now awaits ratification by its signatories, ~including the United States. After the

    Jan 1, 1998

  • ISEE
    Post-Blast Cast Profile Shape Prediction at Large Coal Surface Mines

    By Paula Pereira

    The better the capability of accurately predicting the results of any process the less laborious and costly is the optimization or improvement of that process. Rock blasting is a process that one inte

    Jan 1, 2001

  • ISEE
    Response of a High-Pressure Natural Gas Pipeline to Coal Mine Blasts

    By Ed Clah, Catherine Aimone-Martin

    The vibration response of a 30 in. diameter high-pressure (845 psi) natural gas pipeline to 11 coal mine blasts was measured. The X-52 steel pipeline was buried 7 ft. below the ground surface. Ground

    Jan 1, 2003

  • ISEE
    The Use of Laser Profiling, High Speed Cameras and Videography to Analyze Blasting Results in Underground Mining

    By Bruce Notthup

    Using a Three Dimensional Laser Profiler, persomrel from Austin Powder were able to determine drilling patterns for use in underground mine Room and Pillar blasting operations, The faces had got out o

    Jan 1, 1994