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Proceedings Paper

High Speed Photographic Studies In Surface Blasting
Author(s): E. W. Kohler; A. J. Rorke
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Paper Abstract

In recent years high speed photography (hsp) has become an essential tool for evaluating surface blasting phenomena. Hsp is indispensable for capturing the short lived events, often of millisecond duration, typical of any blast. The resulting time base allows quantitive and qualitative studies to be made. Qualitative information can be used immediately to achieve improved blasting results. Problems can be pinpointed or problem areas identified for future investigation. Applications range from blast trouble shooting to blast design and product evaluation. Different explosive types and accessories are simply and quickly evaluated. The advantages and disadvantages of one product over another are highlighted and the necessity for ongoing product trials may be diminished. Routine blast monitoring may then be carried out to ensure that the product continues to perform efficiently. This paper looks at a number of surface blasts ranging from the ideal to the non ideal and discusses the type of information that has been obtained from high speed films.

Paper Details

Date Published: 1 September 1987
PDF: 14 pages
Proc. SPIE 0674, 17th Intl Congress on High Speed Photography and Photonics, (1 September 1987); doi: 10.1117/12.975568
Show Author Affiliations
E. W. Kohler, AECI Explosives Division (South Africa)
A. J. Rorke, AECI Explosives Division (South Africa)


Published in SPIE Proceedings Vol. 0674:
17th Intl Congress on High Speed Photography and Photonics
Donald Hollingworth; Maurice W. McDowell, Editor(s)

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