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Study of fracture pressurization as a result of explosive detonation [electronic resource].

Published
College Park, Md. : University of Maryland (College Park, Md.), 1984.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 10 : digital, PDF file
Additional Creators
University of Maryland (College Park, Md.) and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
This paper describes a number of model tests conducted in plexiglas models to investigate the phenomenon of fracture pressurization. The models were examined with high speed photography while being subjected to explosive loading. At the same time pressure transducers were used to record the pressure in the borehole as a function of time and also along the path of the propagating fracture to measure the pressure at various locations along the fracture as a function of time. Both propellants and explosives were used to charge the borehole. Air as well as fluid filled boreholes were needed to provide a variety of pressure rise rates. On some tests eddy current displacement gauges measured crack opening displacements as a function of time. As a final check high speed photographs taken during the event were used to visually ascertain the location of the fracture at any given time. 6 references, 10 figures.
Report Numbers
E 1.99:la-ur-84-2437
E 1.99: conf-840633-16
conf-840633-16
la-ur-84-2437
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
06/01/1984.
"la-ur-84-2437"
" conf-840633-16"
"DE84015541"
25. US symposium on rock mechanics, Evanston, IL, USA, 25 Jun 1984.
Simha, K.R.Y.; Fourney, W.L.; Dick, R.D.
Funding Information
W-7405-ENG-36
View MARC record | catkey: 14381644