Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • ISEE
    Cost Effective Loading of Large Diameter Pre-Split Holes

    By LaRay Collyer

    San Juan Mine began pre-splitting the highwall prior to cast blasting in August 1986. The first pre-split shot used six inch PVC (polyvinylcloride) pipe inside a 10 5/8 inch hole, drilled at a 74 degr

    Jan 1, 1990

  • ISEE
    Non-Electric Sequential Blasting for Open Pit Mining Application

    By C A. "Hawk" Hanger

    "The paper that will be presented is an in-depth study of sequential blasting using standardnon-electric shock tube down hole timing along with surface M.S. connector timing.Included also will be a di

    Jan 1, 1993

  • ISEE
    Blasting with ANFO/Poylstyrene Mixtures

    By Karl Kure, Anders M. Heltzen

    Mixtures of prilled ANFO and 0,5 - 3 mm polystyrene balls are interesting substitutes to the tube charges or other types of reduced explosives or detonation fuses. Experiments have shown detonation ab

    Jan 1, 1980

  • ISEE
    Fragment Size Distribution Assessment Using a Digital Image Based Measurement System

    By Mark S. Stagg, Stephen A. Rholl, Steven G. Grannes

    A method of determining the fragment size distribution of rock quarry muckpiles using photographic and digital-image processing techniques has been developed by the Bureau of Mines. To assess the frag

    Jan 1, 1993

  • ISEE
    Evaluation of Propagation Sensitivity of Commercial Explosives in Large Diameter Holes

    By RR Vandebeek, A W. Bauer

    The Canadian Explosives Research Laboratory regularly evaluates the properties of commercial explosives for authorization under the Canada Explosives Act. Propagation sensitivity is normally measured

    Jan 1, 1987

  • ISEE
    Iron Ore Company of Canada (IOCC) Blast Optimization with Emulsion Explosives

    By M Lemieux, R Mason

    The SABREX blast modeling program was introduced to I.O.C.C.'s Carol Lake Iron Ore Project in December 1987. As part of CIL's Technical Services, SABREX was used to implement an optimization program d

    Jan 1, 1989

  • ISEE
    Harlan Diversion Project Upstream Portal Blasting

    By Paul Ross, Harry Burchett, Lou Case, Calvin J. Konya

    "The Cumberland River in Harlan, Kentucky has flooded the town for numerous years. TheU.S. Army Corps of Engineers funded a project to divert the river. The project consisted oftunneling through a mou

    Jan 1, 1993

  • ISEE
    Attenuation of Blasting Vibrations in South Florida, Part II

    By Greg Mclellan, Mark Johnson, John Pepper

    In this paper, the measured vibrations are plotted in terms of the individual PPV components versus Scaled Distance (SD) on logarithmic scales. The maximum PPV is pIotted on a separate graph and equat

    Jan 1, 2001

  • ISEE
    Utilizing the Pre-Blast Survey as a Vehicle to Promote Good Public Relations - A Case History

    By Wesley L. Bender, James E. Murray

    Pre-blast surveys are often conducted solely to document existing structural conditions and uncover potential problem areas. This paper presents a case history where the pre-blast survey was also used

    Jan 1, 1988

  • ISEE
    Determination of Flying Distance of Pieces in Demolishing Blasting

    By Zhang Qi

    For the most part, the flying piece is serious endangerment in the demolition blasting. To prevent the endangerment, a large number of materials are needed as the protection. Therefore, the determinat

    Jan 1, 1994

  • ISEE
    Blasting Parameters for Concrete Fly-Overs

    By Bob de Raadt

    The main problem in blasting a fly-over spanning a main road is the brief time available for blasting and the removal of the debris, in order to minimize the ensuing traffic disruption in the public h

    Jan 1, 1984

  • ISEE
    Pre-Controlling Blast Site Safety to Ensure Profitability

    By S. J. Dillingham

    One of the primary goals of every blaster is to achieve the optimum blast design. Too much focus on efficient design, however, can cloud certain issues and exposures that must be addressed if the enti

    Jan 1, 2002

  • ISEE
    Calculation of Rock Motion During Bench Blasting

    By Elaine Gorham-Bergeron

    CAROM is a distinct element, dynamic code developed at Sandia National Laboratories to calculate the motion of rock fragments during blasting.[1] It has recently been improved to incorporate a mechani

    Jan 1, 1987

  • ISEE
    Fragmentation and Throw due to Blasting – Role of Initiation Systems

    By K. Ram Chandar, Vedala Rama Sastry

    Fragmentation and muck pile profile together play an important role in optimizing the excavation costs for given geo-mining conditions. Initiation system is one of the vital parameters influencing the

    Jan 1, 2008

  • ISEE
    Electronic Detonator Success: An African Story

    By William McFerren, Pragasen Moodley

    In contrast to global trends, African, especially South African, surface mining operations have shown a significant rate of adoption of Electronic Detonators (ED’s) over the last few years. Proven ben

    Jan 1, 2004

  • ISEE
    The Effect of Low Level Blast Vibrations and the Environment on a Domestic Building

    By Rob Farnfield, Mike Kelly, Toby White

    There are a variety of sources of dynamic stress which can affect a building and give rise to cracking. A two-storey house, situated in the middle of a surface coal mine was monitored for a period of

    Jan 1, 1993

  • ISEE
    Bridge Demolition without Disruption of Railroad Traffic: A Case Study

    By Calvin Konya, Janos Foldesi

    A bridge over a main line railroad system was scheduled for demolition. The bridge was made of reinforced concrete and spanned three mainline railroad tracks which could not be shut down due to blasti

    Jan 1, 1992

  • ISEE
    Customer Site Safety at Orica

    By Frank Barker

    Mining operations present a very different environment to the suppliers of explosives, initiating systems and services, both on surface and underground. Typical hazards include underground movement, a

    Jan 1, 2000

  • ISEE
    Flyrock Revisited: An Ever-present Danger in Mine Blasting

    By Harry Verakis, Thomas Lobb

    A great deal of information has been presented and published on the danger from flyrock created from blasting operations. The creation of flyrock is not specific to any one blasting operation. Flyrock

    Jan 1, 2007

  • ISEE
    Inexpensive Micro-Computer Digitizer and Response Spectrum Analyzer

    By Herve Duplaine, Charles H. Dowding

    Calculation of response spectra for blast induced vibrations is necessary to fully understand and in some instances comply with frequency or distance related safe blasting criteria. Fortunately, micro

    Jan 1, 1984