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Blast Design for Vibration Control in Construction Blasting
By Terra Dinamica, Frank Lucca
This paper discusses blast design for vibration control in tight construction blasting. Topics include blast pattern geometry, blast design formulas, loading, explosives & initiation selection, and ut
Jan 1, 2005
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Journal: Safety Talk / Value of a Good Hearing Loss Prevention Program
When a company has an effective hearing loss prevention program, everyone wins-the employers, the employees, and the safety and health professionals who implement the program. This guidebook is not ab
Jan 1, 2006
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Blast Simulation Surface and Underground with the SABREX Model (f3efe068-6266-482f-a4f6-907b809beffa)
By G K. Jorkenson
The SABREX Blast Modelling Program was developed joinlly by the companies of the ICI Explosives Group. of which C-I-L Inc. is a member. SABREX (Scientific Approach to Breaking Rock with Explosives) is
Jan 1, 1989
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Assessment of Ideality of Some Commercial Explosives
By J Aydin Bilgin, Sedat Esen
This paper describes the ideality of some commercial explosives with the help of the detonation theory and detonation velocity measurement. Ideality of an explosive can be determined by comparing expe
Jan 1, 1999
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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
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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
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Controlled Demolition of a Reinforced Concrete Building in Seoul, Korea
By Kwang-Tae Kim, Yong-Kun Choi, Jeong-Soo Chong, Yun-Jae Lee
An annex building at the former Agency for National Security Planning(NSP) complex located in downtown Seoul was demolished by progressive collapse method. This work was done as a part of efforts to r
Jan 1, 1998
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A Spark-Generating, Non-Shock Tube, As Alternative to Conventional Shock Tube
By Marco Antonio Falquete
A novel spark-generating tube, containing no explosive in its composition, is evaluated and compared with conventional shock tube. The product overcomes a series of problems found in conventional shoc
Jan 1, 2005
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The Literature of Explosives and Blasting
By Robert Hopler
The literature of explosives and blasting consists of a great variety of printed materials. These materials include technical papers, books, and articles by individuals and organizations; manufacturer
Jan 1, 2000
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Environmentally Motivated Tracking of Geologic Layer Movement During Bench Blasting Using Discrete Element Methods
By Dale S. Preece
The blast-induced movement and final location of geologic layers that may cause environmental problems can be predicted using discrete element methods. This prediction capability can be used by mine o
Jan 1, 1994
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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
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A Revolutionary, New Microballoon Ammonium Nitrate Prill that Increases Explosive Performance Through Controlled Porosit
By Attie J. Goosen, William L. Spiteri
Although the physical characteristics of ANFO made from porous prilled ammonium nitrate (PPAN) have been altered by the addition of crystal modifiers, the optimisation of prilling processes and the ad
Jan 1, 1995
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Back to Basics in Drilling Safety
By John Brown
Let’s talk about things that you, the driIl boss, the pit boss and the driller can do to eliminate the trend in drilling related accidents that have come to plague our industry in recent years. My pap
Jan 1, 2000
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Dynamite Daze (274eef47-64b4-4b3c-b71a-71551df93b44)
We had a cold, gray winter here in Kansas City and I spent a lot of time watching out my den window at the squirrels and birds trying to get by in the lousy weather. I remember too well working in the
Jan 1, 2004
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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
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The Influence of Geology on Blasthole Deviation (0b527217-6b23-477f-8c0b-03e530d5c921)
Blasthole deviation is a frequent, well documented and undesirable occurrence in mining operations. It is caused by the drill string mechanics, operating variables and the interaction between the dril
Jan 1, 1996
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2004G Volume 2 - Hotshot Auto-Programmable Electronic Detonator System
By Detnet Solutions
1. “Daisy-Chain” concept The term “daisy-chain” stems from the fact that when the HotShot? detonators are connected there is a chain or electrical path for electrical current to flow from detonator A
Jan 1, 2004
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Underground Bulk Loading Methods
By Thomas C. Palangio
Since the advent of explosives, people have been trying to mechanize the process of loading it into long, narrow holes. Automated loading frees manpower from the arduous task of charging granular, car
Jan 1, 1990
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Optimization of Blasting Pattern in an Underground Coal Mine for Maximum Production with Minimum Roof Disturbance
By R. Singh, M. Roy, D. Singh
Success of a blasting pattern in Blasting-off-the-solid (BOS) in Bord (Room) & Pillar method of coal mining is judged by the percentage of pull achieved vis-à-vis the yield of coal produced in a blast
Jan 1, 2003
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High Performance Ground Penetration Radar Project at Los Alamos National Laboratory
By R F. Hoeberling
"The use of ground penetrating radar (GPR) for geological purposes has been underway for almost two decades. The commercial need for a versatile GPR that can rapidly identify buried objects andundergr
Jan 1, 1994