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  • ISEE
    Shock Pressure Transmission Characteristics in a Granitic Rock due to Calibrated Explosive Loads

    By Rakesh Raghavaraju, Bibhu Mohanty

    The paper analyzes the decay of shock pressure as a function of distance from the borehole, and its implication on shock-induced fracture properties of the target rock as the first step in predicting

    Feb 1, 2020

  • ISEE
    Blasting at Dacotah Cement

    By Lyle Dennis

    Emphasis on increased production while maintaining rigid quality standards has necessitated a change in blasting technology at Dacotah Cement's limestone and gypsum quarries. The following three metho

    Jan 1, 1996

  • ISEE
    The Role of Position of Initiation and Stemming on Breakage

    By Zvonimir Ester

    The course of motorway tunnel under construction was set only 2 m away from the main motorway. The thickness of the tunnel overburden rock was 9 m. During the tunnel construction the traffic on the mo

    Jan 1, 1998

  • ISEE
    Improving Productivity at Farco Mining of Texas Using Emulsion/ANFO Blends

    By Nick Lewis

    Farce Mining of Texas is a surface coal mine located in Laredo, Texas. Farce mines and sells approximately 600,000 tons /year of bituminous coal. A map showing the location of Laredo is provided in F

    Jan 1, 1994

  • ISEE
    Effect of Explosive Charge Geometry on Shock Wave Propagation

    By Martin Langenderfer, Catherine Johnson, Phillip Mulligan, Kelly Williams

    The physical geometry of a charge has a direct correlation to the geometry of the shock wave. This relationship appears strongest within the boundaries of the visible fireball. As the shock wave propa

    Jan 1, 2018

  • ISEE
    More Efficient Use of Your GPS

    By Wes Bender

    Considering the current interest in Global Positioning System (GPS) usage, it might be timely to look at a more efficient means of utilizing these instruments. The GPS system currently utilizes 28 sat

    Jan 1, 2002

  • ISEE
    Critical Analysis and Technical Support for Assessment of Construction Blasting Damage Claims

    By Russell D. Melton, Gary A. Kanelos

    A construction company performed blasting operations to break up limestone bedrock for excavation of residential basements. The owners of an existing residence located approximately 400 feet from the

    Jan 1, 1996

  • ISEE
    Back to the Basics: Electronic Detonators

    By Larry Schneider

    In recent years, many individuals looking into the future of the blasting industry have predicted that the most likely next technological breakthrough would be the use of high precision, digitally con

    Jan 1, 2006

  • ISEE
    Large Hole Rotary Drill Performance

    By J Lyall Workman, Peter N. Calder

    "Large hole rotary drilling is one of the most common methods of producing blastholes in open pitmining. Large hole drilling generally refers to diameters from 9 to 17 inch (229 to 432 mm), however ac

    Jan 1, 1996

  • 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
    Selection of Powder Factor in Large Diameter Blastholes (9dd28d4c-e692-46ff-9e71-b2043e0b42a0)

    By Jack Eloranta

    This paper documents the relationship between material handling and processing coete compared to blasting cost. The old adage, "The cheapest crushing is done in the pit", appears accurate in this c!as

    Jan 1, 1995

  • ISEE
    Blasting to Reduce Ore Dilution - Are You Kidding?

    By Brad Bulow

    Blasting is an essentially violent process aimed to disrupt and loosen rock for productive excavation. Some dilution of any ore present is the inevitable result. This makes blasting a dirty word to mo

    Jan 1, 2000

  • ISEE
    New Training Technologies (Interactive Video)

    By Roger Scarr, Richard A. Walker

    Interactive video is the combination of computer and laser disc -technologies that allows for the storing of 54,000 single images or 30 minutes of video with the ability to access any segment or singl

    Jan 1, 1990

  • ISEE
    Semiconductor Bridge (SCB) Research and Development

    By C B. McCampbell, R W. Jr Bickes

    Sandia National Laboratories has developed a semiconductor bridge (SCB) igniter for the ignition of a variety of explosive materials. When subjected to a low-energy current pulse, the bridge bursts in

    Jan 1, 1991

  • ISEE
    Underwater Explosions Part 4. Signal Damping

    By M. Hagfors

    On the underwater testing of explosives, the measuring system consists of water filled test pond, tourmaline based pressure sensor, measuring cable and measuring unit, which supplies the DC current to

    Jan 1, 2006

  • ISEE
    Drawbacks of Blast Vibration Regulations

    By Mark Svinkin

    The purpose of this paper is to present an overview of recommended existing criteria of ground vibrations generated by blasting. It is shown that these criteria have limited liability because they wer

    Jan 1, 2003

  • ISEE
    Relating Horsepower to Drilling Productivity (83232d04-da2e-4755-9f53-c779d17429d0)

    By Brian Wingfield, Greg Williams, Richard W. Givens

    Application of required energies into the rig design can have a dramatic impact upon productivity. Computer modeling of these production variables has led to changes in design with values closely appr

    Jan 1, 1995

  • ISEE
    Laser Based Slapper Detonator: The Next Generation

    By Dennis L. Paisley, Thomas P. Turner

    Laser slapper detonators are the next generation detonator under development at the Detonations Systems Group at Los Alamos National Laboratory and function very similarly to an electrical slapper. A

    Jan 1, 1994

  • ISEE
    Highway Lane Rental Requirement Compromises Blast Site Safety and Security

    By Harry L. Siebert

    A major Arizona highway project is jeopardizing site safety and security because of the lane rental policy. One million cubic yards of rock must be fragmented to provide two additional lanes parallel

    Jan 1, 1997

  • ISEE
    Water Overpressure Monitoring during an Arctic Winter

    By Jeff Peterson, Alastair Grogan

    During the winter of 2001/2002, a number of seismic exploration projects were carried out in the Mackenzie River Delta area of the Northwest Territories, in Canada. The purpose of the seismic projects

    Jan 1, 2003