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Research and Application of HM (Hole-mixed) Truck for Emulsion Explosives
By Zhiwei Jiao, Ziqing Guo, Mushen Wang, Yueda Fang, Qiuming Tang
In order to achieve anti-terrorism, production safety, better explosive performance, lower cost, and environment protection, we developed HMS (emulsification in borehole).Long-process PM (plant-mixed)
Feb 1, 2020
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Some Issues in the Image Analysis Application for Bench Face Characteristics and Blast Fragmentation Measurement
By Türker Hüdaverdi, Özge Akyildiz
"Efficiency of blast operations depends on fragmentation, overbreak, muckpile profile anddisplacement, vibration, airblast, flyrock and damage to wall or slope stability. To provide all these conditio
Jan 1, 2017
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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
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Close Proximity Trench Blasting Case History
By Andrew F. McKown, Robert A. McClure
This paper will describe a trench blasting case history in close proximity to several adjacent structures, including a bridge abutment, railroad tracks, and utility pipes. Some design considerations i
Jan 1, 1988
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Shock Pressure Transmission Characteristics in a Granitic
By Rakesh Raghavaraju, Bibhu Mohanty
Prediction of fracture and fragmentation characteristics of a rock mass subjected to dynamic loads, such as in blasting remains a major technical challenge. The present study is aimed at characterizin
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Vibration Monitoring and Control of Blasting Associated with the Construction of a Highway Next to a Show Cave
By Paul Worsey, Gerald Rupert, Mark Kirkbride
The realignment of Highway H in the proximity of Crystal Cave (Springfield MO.) required the development of a blasting program that was both economical and efficient for construction, yet ecologically
Jan 1, 1997
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Mitigating Oil Disasters Via Underwater Explosive Lensing: A Preliminary Study
By Jason Baird, Philip Mulligan
This report details the preliminary calculations governing the underwater collapse of an oil pipe via explosive lensing. An explosive lens changes the detonation wave produced by an explosive by chang
Jan 1, 2013
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Target Loading from a Submerged Explosion
By Ulrich Leiste, Andrew Wardlaw, William Fourney
This paper describes the loading on a plate suspended directly over an explosive charge submerged in water. This problem is of interest because it yields results similar to those obtained in the deton
Jan 1, 2008
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Practical Methods of Blasting Hangups
By Paul V. Sterk
"As vital as arteries are to sustaining life in the human body so are free flowing raises to thelife of an underground multiple level mine such as the Homestake Gold Mine. These raisesor boreholes are
Jan 1, 1993
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A Review of Suggested Geophone Attachment Methodologies From Commonly Referred to Monitroing Standards
By Alastair Grogon
Proper coupling of a geophone to a monitoring surface is probably the single most important step in accurately recording and measuring ground vibrations from a blast. Over the years, a number of monit
Jan 1, 1998
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Factors Affecting Fume Production in Surface Coal Blasting Operation
By M-C. Lee, Shomaker, R. Turcotte, B. Short
This research program was undertaken to better understand the factors causing abnormal NOx fumes generation from blasting operations in surface coal mining. More specifically, unusual quantities of ni
Jan 1, 2002
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Increasing Back Break Using High Speed Blasting Techniques
By Terry L. Cook
RAG Coal West, Inc., Belle Ayr Mine is located in the heart of Wyoming’s rich Powder River Basin coalfield. Belle Ayr utilizes an open pit, truck/shovel operation to strip the overburden off the 70’se
Jan 1, 2004
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The Research and Clinical Application of Micro-Explosion of the Biliary Calculi(MEBC)
By Zhang Yangde
"This paper reports the clinical research work of Micro-explosion of Biliary Calculi . In theprogram the technique of directional micro explosion applied to disintegrate the biliarycalculi of body and
Jan 1, 1993
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A Linear Interpolation of Vibration Waveforms for Varying Seed Waveform Vibration Modeling
By Ruilin Yan, Kameron Ray
This paper reports a simple approach to model the waveform change due to travel distances based on the field measurement. A linear interpolation is used to estimate the waveform at a distance from two
Jan 1, 2014
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Geology and Its Effect on Blasting
By W C. Burkle
A rather common observation over the last several decades at least has been that rock or ore properties influence blasting results more than does the explosive type that has been used in the blast. It
Jan 1, 1979
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Blasting Works Quality Management in Accordance with Environmental Conditions
By Rolf R. Schillinger
It is established to an increased extent that the basic questions about raw material extractions deal with water, dust, noise and vibrations. If it has not been definitely proven that these points won
Jan 1, 2002
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The 1998 Explosion of the Debruce Grain Elevator
By Jerome H. Stofleth
In June of 1998, the DeBruce Grain Elevator was devastated by an accidental explosion caused by the unintentional ignition of grain dust. The DeBruce grain elevator was the largest ‘single head-house’
Jan 1, 2004
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A "Holistic" Approach of Blast Vibration Modeling and Prediction
By Thierry Bernard
Considering rock fragmentation by explosive as the ultimate goal in mines and quarries, vibrations are definitely one of the main drawbacks faced by the Industry. If we can accurately predict vibratio
Jan 1, 2009
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Directional Effects of Primers in Small Diameter Boreholes
By Calvin J. Konya
Many controversies and differences of opinion exist in blasting technology. The primer location in small diameter dynamite columns is an example of one of these controversial areas. It is generally ag
Jan 1, 1980