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Penetration Analysis of a Shaped Charge Jet into a Concrete Target
By Joseph Indeck, Seokbin Lim, Andrew Thompson
In the design of explosively driven penetration devices, understanding the impact conditions between the explosively propelled penetrator and the target is one of the most important steps in optimizin
Jan 1, 2011
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Comparison of Structure Response to Hard and Soft Rock Blasting
By C. T. Aimone-Martin, V. L. Rosenhaim
The response of two structures to blast-induced ground vibrations were evaluated and compared in order to quantify the impact of different blasting operations, hard rock and soft rock blasting, upon t
Jan 1, 2015
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Hoover Dam Project
By Joe Strobbe, Kevin Joe
The U.S. Bureau of Reclamation awarded PCL Civil Constructors the project to build a new visitor's center and parking lot structure at the Hoover Dam. The excavations for these structures present many
Jan 1, 1993
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Screen Analysis of Full-Scale Production Blasts
By R E. Otterness, M S. Stagg
The U. S. Bureau of Mines conducted 22 full-scale blasts to determine the effects of delay and explosive type on fragmentation. The shots were conducted over a period of 7 years in three limestone qua
Jan 1, 1995
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Implementation of Blast Vibration Frequency Control Technology at R & F Coal Company
By Doug Johnson
This paper reviews the field implementation of R & F Coal's blasting optimization work concerning analysis, prediction, and control of overburden blasting vibrations using site specific measurements a
Jan 1, 1988
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ANFO’S Behavior in Height-To-Detonation and other Thermal Stimulus Tests
By E. Contestabile, B. von Rosen, P. Lightfoot
As part of an accident investigation ANFO was subjected to various abusive tests. A tractor-trailer carrying 18,000 kg of blasting explosives, caught fire, burned for approximately 30 minutes, and the
Jan 1, 2001
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The Effect of Prill Specifications on Emulsion-ANFO Blends (dfcf65b3-c26f-475a-ba27-2ec8841d710f)
By Greg S. Williams, David L. McDorman, Richard W. Givens
This paper examines the effect of prill size consistency, internal particle density, and oil absorbency on Ammonium Nitrate Fuel Oil (ANFO)-emulsion blends. By analyzing these physical properties of p
Jan 1, 1990
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Statistical Methods Applied to the Analysis of Blasting Vibrations in a Diabase Quarry in the City of Campinas, (SP) - Brazil
By Milton Barbosa Landim, Denise de La Corte Bacci
Statistical methods of multiple regression analysis, trend surface analysis and principal components analysis were applied to seismographic data recorded during production blasting at a diabase quarry
Jan 1, 2002
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Potential Impact of Blast Layout, Sequence and Detonator Timings on Air Overpressure from Blasting
By Shazad Hosein, Bill Birch, Catherine Johnson, Toby White, Liam Bermingham
Air overpressure (AOP) from blasting can give rise to a significant number of blasting complaints from residents living adjacent to blasting operations from mines, quarries or civil engineering projec
Jan 1, 2018
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GEM (Geologic Element Motion) Blast Heave Modeling with More Element Shapes and Energy Partitioning
By Stewart A. Silling, C. Mick Lownds, Dale S. Preece, Ali Bhuiyan
GEM (Geologic Element Motion) is a Distinct Element Method (DEM) for modeling blast-induced heave. It was developed with a very fast computational algorithm that efficiently treats many different elem
Feb 6, 2023
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Crack Displacement and Vibration Measurement of an Underground Portal
By Douglas Rudenko PG, Jay Elkin, Siavash Mahvelati Ph. D.
Very little studies have investigated the behavior of cracks in unlined tunnels over long periods of time, especially when such flaws are subjected to blast-induced vibrations. Using a pool of 30+ bla
Feb 1, 2020
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Bench Blasting Design Based on Analysis of Blast-Induced Ground Vibrations at an Open Pit Coal Mine in Turkey
By Gungor Tuncer, Ali Kahriman, Abdulkadir Karadogan, Alper Celtikci, Serdar Celik, Yucel Karakus
This paper presents bench blasting designs based on results of vibrations analysis on test shots organized in an open pit coal mine located near to Soma district at Manisa province in Turkey. There ar
Jan 1, 2012
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Shock Impedance Method Applied to Detonation Pressure Measurements
By Santiago Gómez, Pablo Segarra, José A. Sanchidrián
In-hole detonation pressure measurements are unusual in the production environment of a mining operation, partly owing to the hostile conditions to which recording equipment and pertinent probes must
Feb 6, 2023
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Fragmentation Mill Throughput Improvement Through a Dual-Salt Sodium Nitrate Emulsion Product
By Khushaal Popli, Vanessa Roeland, Brian Hall, Carl Diederichs
Highland Valley Copper (HVC) has embraced an integrated Mine to Mill approach to comminution since the late 1990s. Previous blasting optimization was carried out through adjustments to blast pattern g
Feb 6, 2023
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Explosion Hazards and Quantity-Distance Regulations – A Review of their Physical Basis
Currently there exist several explosive quantity-distance (Q-D) rules variously exercised by most countries to protect personnel and property against the effects of accidental explosions. These regula
Jan 1, 2011
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Factors Governing the Muck Pile Characteristics
By David Cheung, S. Paul Singh
"The characteristics of a blasted muck pile can have a significant effect on the productivity and economyof loading and hauling operations. Poorly fragmented and tight muck piles, caused by insufficie
Jan 1, 2017
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Safety Talk - Training If It's Worth The Time, It's Worht Documenting
By Ann Barron, Paul Downing
Those employed in the explosives industry must have a keen familiarity of the explosives products they handle, the safety pro c e d u res they must follow, and the increasing number of laws and regula
Jan 1, 2004
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Blasting 1.5 T of Dynamite, Hang up on a Cliff, 125 m Above a Hydroelectric Power Plant
By Thierry Bernard, Philippe Dozohne
May 13th, in the back country of Nice @arice) collapsed a complete piece of mountain, cutting the RN 2085 and destroying a part of Valabfre’s viaduct. The fist inspections of the site showed that mate
Jan 1, 2001
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Distribution of Specific Impulse on Vehicles Subjected to IED's
By Alexander Hauck, Dimitri Jung, Uli Leiste
This paper describes results from small scale tests conducted to determine the distribution of impulse on target plates when subjected to loading due to the detonation of a buried mine. The tests were
Jan 1, 2010
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Reducing eyebrow break caused by rock blasting in Malmberget mine
By Zong-Xian Zhang
In sublevel caving mines, serious eyebrow break usually gives rise to lower ore recovery, higher dilution, and worse safety for the people working in the field. For example, chargers must go near the
Jan 1, 2011