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Building and Structural Blasting in Hungary
By Sandor Nagy
The Explosive and Blasting Department of the Hungarian Mining Research Institute is responsible for the research and development of industrial applications of explosives. Appropriate explosives techno
Jan 1, 1977
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Blasting Near New Concrete – 3 Case Histories
By G. F. Revey
When rock blasting occurs near new concrete of varying age, engineers representing project owners often express concern that vibration from the blasting will crack nearby concrete. Regulations and/or
Jan 1, 2006
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Aluminized Blasting Agents
By Albert G. Funk, Gary M. Thornley
The available energy of aluminized ANFO and aluminized slurry blasting agents has been measured by seismic methods, calculated theoretically, and compared. With aluminized ANFO it is concluded that al
Jan 1, 1981
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250 Pound Down-Hole Drilling in Hard Rock
By R L. Calhoun
A paper on High Pressure Air must start with the industry accepted definition of High Pressure Air and, for the reader who is unfamiliar with High Pressure Air systems, include basic information on wh
Jan 1, 1976
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Close-In Construction Blasting -- Impacts and Mitigation Measures
By Andrew F. McKown
This paper will discuss the mechanisms of potential damage from close-in construction blasting, concentrating on two mechanisms: elastic ground vibrations and non-elastic (permanent) ground deformatio
Jan 1, 1991
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Trends in Drilling and Blasting (8aa24a46-8326-4148-8007-63f421ba2d8b)
By Alan Bauer
During the past several years, the trend to large-diameter blastholes in both open pits and underground mines along with the continuing developments in slurried explosives and delay systems has kept t
Jan 1, 1978
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Managing Commercial Explosives Operations Using Quantitative Risk Assessment
By Lon Santis
This paper describes several applications of quantitative risk assessment in the management of commercial explosives operations. The Institute of Makers of Explosives’ (IME) quantitative risk assessme
Jan 1, 2008
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Numerical Simulation of FRP Strengthened Reinforced Concrete Slabs under Blast Loads
By M. K. Ameen, R. El-Hacha
This paper presents the analytical results obtained from numerical simulation of reinforced concrete slabs strengthened with various FRP systems and subjected to blast loading. A three-dimensional fin
Jan 1, 2010
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Controlled Shaft Sinking Using Electronic Delay Detonators and Water Ballast
By Greg Rappard, Francois Holowenczak, James Rickard
The King George V (KGV) Shaft forms part of MTR Corporation Limited (MTRCL) Works Contract 703 extension of the underground West Island Line on Hong Kong Island. The Shaft and the associated adit was
Jan 1, 2013
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Numerical Simulation of Fragmentation During the Throw Stage of Blasting
By C H. Ryu
This paper presents a simplified two-dimensional numerical model of block fragmentation in a Jointed rock mass during the late or throw stage of a blast after wave effects have subsided. The model is
Jan 1, 1986
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Pressures Acting on Targets Subjected to Explosive Loading
By Leslie Taylor, Uli Leiste
In this paper, results from small scale testing conducted to determine pressure time profi les acting on a plate (taken to represent the bottom of a vehicle) at any given distance from the center of t
Jan 1, 2008
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Blast Control for the Hydroelectric Project "El Cajón" in the State of Nayarit in Mexico
By David Yanez
The hydroelectric project "El Cajón" is currently under construction in the state of Nayarit, on the Santiago River, in western Mexico. This project is comprised of a Concrete Face Rockfill Dam (CFRD)
Jan 1, 2006
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Control Blasting at Sherman Mine
By Peter N. Calder, John N. Tuomi
The development of a successful control blasting program for an open pit iron mine in hard jointed rock is described. The objectives and mechanics of control blasting are discussed. Design and impleme
Jan 1, 1980
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Effects of Surface Mine Blasting on Underground Mine Openings
By Michael K. Phang, Thomas A. Simpson
Field studies at an underground mine site were conducted to evaluate and monitor blast-induced vibrations on an underground coal mine roof. The vibration data were evaluated so that a suitable damage
Jan 1, 1984
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New Dimensions for Drilling and Blasting In Surface Mining of Precious Metals
By Tom Short, Paul Kunze
In this paper, the authors describe major changes in drilling and blasting methods instituted at the Zortman And Landusky Mining Company Properties to maintain the viability of these north central Mon
Jan 1, 1986
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Using Digital Electronic Detonator of Blasting LS and LDT Buildings
By Zheng Deming, Li Hongwei, Lei Zhan, Dai Chunyang
This paper introduces the application of a digital electronic detonator in the demolition blasting of largescale (LS) and long delay time (LDT) frame-shear structure buildings. The whole building to b
Jan 1, 2019
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An Engineering Model for Predicting Rubble Motion During Blasting
By J T. Schamaun
Recent applications of explosives and blasting agents to rubble rock have led to requirements for more elaborate design and analysis methods. In most blasting uses, it is necessary not only to fractur
Jan 1, 1983
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Analysis of Blast Pattern to Evaluate Extent and Causes of Overbreak in Large Cavern
By S K. Mandal, S Dasgupta
"Damage is classifi ed as loss in the integrity or deterioration in the quality of rock massand is infl uenced by methodology of excavation on the geo-technical properties of rockmass. Overbreak, on t
Jan 1, 2008
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The Effect of Faults, Delay Time and Scaled Distance on Vibration Parameters
By Enver Alan
In this study of applied explosives engineering the blasting applications are evaluated, which were carried out for research and development purposes at Yenisahra Station tunnels in Kartal Formation w
Feb 1, 2020
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The Effect of Bench Movement with Changing Blasthole Length
By Rahim G. Haghighi, Calvin J. Konya
Fragmentation is the fundamental concern of rock blasting, serving as a measure of blasting effectiveness. Fragmentation is sensitive to the inter-relationship among the design variables which define
Jan 1, 1985