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Indentation analysis for rock having parabolic yield envelope
Load required to force idealized rock bit tooth into rock is studied; this is done by means of plane strain analysis of force required for incipient plasticity of rock under sharp wedge-shaped tooth; rock is assumed to yield when Mohr stress circle becomes tangent to parabolic failure envelope; in specific example where parabolic envelope is fitted to triaxial compressive test data for marble analysis provides good agreement with results of indentation experiments.
Indentation analysis for rock having parabolic yield envelope
Load required to force idealized rock bit tooth into rock is studied; this is done by means of plane strain analysis of force required for incipient plasticity of rock under sharp wedge-shaped tooth; rock is assumed to yield when Mohr stress circle becomes tangent to parabolic failure envelope; in specific example where parabolic envelope is fitted to triaxial compressive test data for marble analysis provides good agreement with results of indentation experiments.
Indentation analysis for rock having parabolic yield envelope
Int J Rock Mechanics Min Sciences
Cheatham, Jr., J.B. (author)
1964
10 pages
Article (Journal)
Electronic Resource
English
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