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Anisotropic creation and closure of tension induced fractures. [Explosive induced rock fractures]

Conference ·
OSTI ID:7254538
; ; ; ;
A material model is presented which simulates the anisotropic creation and closure of tension-induced rock fractures. The relationship of the model to explosive-enhanced permeability of geologic formations is discussed. The model is introduced into a two-dimensional finite-difference computer code, and the tensile fracture effects produced by a long cylindrical explosive charge detonated beneath a free surface are calculated.
Research Organization:
California Univ., Livermore (USA). Lawrence Livermore Lab.
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
7254538
Report Number(s):
UCRL-79578; CONF-770440-6
Country of Publication:
United States
Language:
English

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Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450100 -- Military Technology
Weaponry
& National Defense-- Chemical Explosions & Explosives
58 GEOSCIENCES
580300* -- Mineralogy
Petrology
& Rock Mechanics-- (-1989)
COMMINUTION
COMPUTER CALCULATIONS
COMPUTER CODES
EXPLOSIVE FRACTURING
FRACTURING
GEOLOGIC STRUCTURES
MATHEMATICAL MODELS
PERMEABILITY
ROCK MECHANICS
ROCKS
T CODES