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Author: Richard A. Dick
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 52
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Book Description
This Bureau of Mines report describes the evolution of modern-day blasting agent and slurry products and the state of the art of the usage of these products as it exists today. The steadily increasing consumption of blasting agents and slurries at the expense of cartridged high-explosive usage is related. Although safety is not covered in depth, reference is made to pertinent safety literature available. Product formulations, detonation reactions, and detonation products are discussed. Product terminology is defined and the significant differences between the relatively insensitive modern-day dry blasting agents and slurries and cap-sensitive high explosives are described. Blasting agent and slurry properties are discussed, as well as methods of determining and describing these properties, and specific types of products are also discussed with reference to their ingredients, -properties, and field applications. Increasing consumption of slurries, particularly in small-diameter boreholes, and the development of more cap-sensitive varieties of slurries are forecast although dry blasting agents should continue to dominate the market. The consumption of cartridged high explosives will level off or gradually decrease.
Author: Richard A. Dick
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 52
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Book Description
This Bureau of Mines report describes the evolution of modern-day blasting agent and slurry products and the state of the art of the usage of these products as it exists today. The steadily increasing consumption of blasting agents and slurries at the expense of cartridged high-explosive usage is related. Although safety is not covered in depth, reference is made to pertinent safety literature available. Product formulations, detonation reactions, and detonation products are discussed. Product terminology is defined and the significant differences between the relatively insensitive modern-day dry blasting agents and slurries and cap-sensitive high explosives are described. Blasting agent and slurry properties are discussed, as well as methods of determining and describing these properties, and specific types of products are also discussed with reference to their ingredients, -properties, and field applications. Increasing consumption of slurries, particularly in small-diameter boreholes, and the development of more cap-sensitive varieties of slurries are forecast although dry blasting agents should continue to dominate the market. The consumption of cartridged high explosives will level off or gradually decrease.
Author: Richard A. Dick
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 116
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Book Description
Author:
Publisher:
ISBN:
Category : Mine safety
Languages : en
Pages : 40
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Book Description
Author: Richard A. Dick
Publisher:
ISBN: 9781410218636
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
This Bureau of Mines report covers the latest technology in explosives and blasting procedures. It includes information and procedures developed by Bureau research, explosives manufacturers, and the mining industry. It is intended for use as a guide in developing training programs and also to provide experienced blasters an update on the latest state of technology in the broad field of explosives and blasting. Types of explosives and blasting agents and their key explosive and physical properties are discussed. Explosives selection criteria are described. The features of the traditional initiation systems - electrical, detonating cord, and cap and fuse - are pointed out, and the newer nonelectric initiation systems are discussed. Various blasthole priming techniques are described. Blasthole loading of various explosive types is covered. Blast design, including geologic considerations, for both surface and underground blasting is detailed. Environmental effects of blasting such as flyrock and air and ground vibrations are discussed along with techniques of measuring and alleviating these undesirable side effects. Blasting safety procedures are detailed in the chronological order of the blasting process. The various Federal blasting regulations are enumerated along with their Code of Federal Regulations citations. An extensive glossary of blasting related terms is included along with references to articles providing more detailed information on the aforementioned items. Emphasis in the report has been placed on practical considerations.
Author:
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 448
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Author:
Publisher:
ISBN:
Category : Ammonium nitrate
Languages : en
Pages : 40
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Book Description
Author: Marilena Cardu
Publisher: CRC Press
ISBN: 1040042783
Category : Technology & Engineering
Languages : en
Pages : 247
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Book Description
Industrial Explosives and their Applications for Rock Excavation focuses on applications of industrial explosives in civil and mining engineering works. Explosives and their actions are explained in terms of basics, principles, and related chemistry. Explosives and initiation devices are described, including their characteristics, geometry, and timing aspects of the blast design. Designing blasts for rock excavation works is explained, including devices for obtaining large-sized blocks, construction of yards, and excavation of big foundations. Finally, criteria for the mitigation of the associated seismic disturbances are summarized. The book: provides an updated vision of industrial explosives, including the best technical advice for rock excavation; contains harmonized preliminary modules aimed at introducing basic concepts of chemistry and physics applied to the drilling and blasting technique; defines balanced mix of theory capable of providing skills to design an efficient blasting; covers excavation problems from different points of view and in different contexts; and addresses issues of drilling and loading blast-holes. Industrial Explosives and their Applications for Rock Excavation is aimed at graduate students, researchers, and professionals in mining engineering and explosives technology.
Author: John R. Bitler
Publisher:
ISBN:
Category :
Languages : en
Pages : 828
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Book Description
Author: Frank W. Skinner
Publisher:
ISBN:
Category : Demolition, Military
Languages : en
Pages : 74
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Book Description
The objective of this study was to refine and/or develop new demolition techniques which would serve to minimize hazards to the environment in areas where demolition activities are scheduled or are on-going. The objective of the first year's effort was to survey present demolition techniques and provide a vehicle for assuring that the most modern demolition techniques and procedures are described so that the Army might make use of them in developing demolition contracts. The phase of the study reported herein involved (1) determining the general state-of-the-art of the demolition industry regarding techniques and current practices, (2) assessing Army demolition problems as characterized by typical projects, and (3) evolving basic guidelines and optional plans of action to be considered in planning demolition projects. It is concluded from this investigation that current Army policies concerning protection of the environment from demolition operations are in step with broad Federal policies aimed at improving the national level of environmental quality. (Modified author abstract).
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 570
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Book Description
