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  • ISEE
    Worsey-Silva Equation for Modeling Fragmentation Caused by Row Timing

    By J. Silva, T. Worsey

    The Worsey-Silva equation determines the optimal row timing for the smallest fragmentation and allows fragmentation models to be adjusted due to row timing. The equation utilizes the concept of dynami

    Jan 1, 2024

  • ISEE
    Site Specific Blasting Model Using Schmidt Tensile Strength and Image Analysis

    By K. M. Kim, J. B. Kemeny

    A case study was conducted with 5 shots with varying pre-blast block sizes and explosive energies. From this case study a site-specific predictive fragmentation model was developed. There are two main

    Jan 1, 2011

  • ISEE
    Damage Criteria for Nearby Structures During Underground Explosions and Earthquakes

    By Krishna Nand

    For assessing the safety of structures during underground explosions, ground particle velocity gives the best damage criteria, and 100 mm/see of ground particle velocity has been internationally accep

    Jan 1, 1988

  • ISEE
    Time Window Vibration Control Techniques Cautionary Tales For Explosives Engineers

    By Adrian Moore, Alan Richards

    Time window techniques that limit the explosive charge mass being fired within a specified time window (commonly 8 milliseconds (ms)) have been used for many years and are widely accepted by explosive

    Jan 1, 2002

  • ISEE
    The Application of High Speed Video System for Blasting Research

    By Quian Liu

    Since the establishment of the CANMET Experimental Mine in Val d'Or, Quebec in 1991, research activities in rock fragmentation have been carried out not only in the underground laboratory but also in

    Jan 1, 1994

  • ISEE
    A Technique for Measuring Toxic Gases Produced by Blasting Agents

    By Richard J. Mainiero

    Traditional techniques for the experimental determination of toxic fumes produced by the detonation of high explosives are not applicable to blasting agents. To detonate properly, blasting agents requ

    Jan 1, 1997

  • ISEE
    Controlled Blasting for the Construction of an Underground Power House

    By Abraham Lindo

    Panama’s current economical growth demands an increase in electric power supply; projected energy supply for 2012 exceeds the demand by as little as 2%. In an effort to comply with the demand, several

    Jan 1, 2013

  • ISEE
    Practical Blasting Damage Investigating for Insurance Claims and Law Suits

    By David A. Paul

    Over the past several years a great deal of information on blasting vibrations and their effects on structures has been generated. Much of this knowledge has been gained through the use of ground vibr

    Jan 1, 1983

  • ISEE
    A System for Remotely-Controlled, Continuous Drill and Blast Excavation

    By Carl R. Peterson, Robert G. Lundquist

    The development of a remotely-controlled drill and blast excavation system is desirable both because it is potentially more economical than mechanical tunneling in hard rock and for safety. A serious

    Jan 1, 1983

  • ISEE
    Journal: Safety Talk, The Blaster’s Duty of Care

    By William Reisz

    In our line of work,like many other professions, there may be times when circumstances or a series of events may arise, contributing toward unacceptable risk. When multiple parties are involved, there

    Jan 1, 2014

  • ISEE
    Oxygen Balanced Emulsion-ANFO Blends for Use in Flammable Atmospheres

    By Michael J. Sapko, Eric S. Weiss

    The U.S. Bureau of Mines has been conducting research on the secondary explosion hazards associated with the mining of oil shale under gassy mine conditions. Explosive incendivity tests have been cond

    Jan 1, 1990

  • ISEE
    Use of In-Situ Rock Properties for Optimization of Fragmentation

    By Daniel Roy, Chris J. Preston, Ron J. Elliott

    This paper discusses the use of pressure transducers in water filled boreholes in conjunction with surface mounted geophones to gather field data for in-situ dynamic rock properties determinations. A

    Jan 1, 1996

  • ISEE
    Numerical investigation of impact of misfires and out-of-sequence delays on fragmentation and gravity flow in SLC

    By C. Yi, D. Johansson, C. San Miguel, M. Wimmer

    Sublevel caving (SLC) is a mass mining method based upon the utilization of gravity flow of blasted ore and caved waste rock. Production blasting has significant impact on the efficiency and productiv

    Jan 1, 2024

  • ISEE
    The Utilization of Personal Computers for Blast Design and Analysis

    By John L. Floyd

    A personal computer is a valuable tool for blast design and analysis. Programs designed for the personal computer, such as the electronic spreadsheet, can be used for a wide range of applications. The

    Jan 1, 1987

  • ISEE
    Intelligent Information Management for Improved Blasting Practice and Environmental Compliance

    By W. J. Birch

    The recording of information is critical to the blasting process, whether it be for planning purposes, statutory requirements or environmental compliance. The review and analysis of past data can play

    Jan 1, 2002

  • ISEE
    Development of the Remote Controlled Blasting System for Tunnel Construction

    By Minoru Kawamura, Yukio Kato, Yoshikazu Hirosaki, Satoru Suzuki

    A wireless blasting system for tunnel construction which consists of a loop antenna, oscillator and blaster, has been developed. The basic technology of this method had been studied in the 1970s to de

    Jan 1, 1998

  • ISEE
    Using State-of-the-Art Techniques for Positioning Mining Equipment

    By George P. Schivley

    The careful positioning of the drill rigs that drill the holes into which explosives are then loaded is critical to the success of the subsequent blast. Today a system of satellites in space, each tra

    Jan 1, 1996

  • ISEE
    Optimum Design for Blasting Plastic Material Using High Speed Photography

    Case histories in blasting show that Livingston's cratering technology has been applied successfully to blast designs with explosives having a charge length to diameter ratio not larger than 6. But th

    Jan 1, 1987

  • ISEE
    A Fractal and Damage Model for Rock-Breaking by Blasting

    By Wang Zhong Qian, Liu Hui

    The paper proposed a fractal and damage model for rock-breaking by blasting, which assumed that the process of rock-breaking results from intrincent fractal development and the accumulation of damage.

    Jan 1, 1997

  • ISEE
    Deep Hole Blasting with SMS - An Excess for Better Productivity

    By M S. Sandhu

    Singrauli area of Madhya Pradesh in India has been developed as the power capital expected to produce around 11000 MW in near future requiring 65 million tonnes of Coal per annum. Thermal power plants

    Jan 1, 1998