Analysis of the Plastic Flow of Rock Under a Lubricated Punch

Author:

Cheatham J. B.1,Paslay P. R.2,Fulcher C. W. G.3

Affiliation:

1. Rice University, Houston, Texas

2. Brown University, Providence, R. I.

3. General Electric Company, Houston, Texas

Abstract

A general three-dimensional plasticity theory is presented for describing the plastic flow of homogeneous, isotropic rock. Normality of the deformation-rate vector to the yield surface is incorporated into the stress-deformation rate law used in the theory. The rock is assumed to be perfectly plastic or nonwork-hardening with a dependence of the yield strength on the hydrostatic component of stress. A particular type of yield surface, which is representative of the behavior of rock, is assumed in an application of the theory. The specific problem considered is the solution for the incipient plane flow under a flat lubricated punch.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Cited by 10 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The use of Knoop indentation for the assessment of the plastic properties of mortars and natural stones;International Journal of Rock Mechanics and Mining Sciences;2017-03

2. An anisotropic compacting yield condition applied to porous limestone;International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts;1980-06

3. Rotationssymmetrisches ebenes Flie�en eines granularen Modellmaterials;Acta Mechanica;1975-03

4. References;Limit Analysis and Soil Plasticity;1975

5. A new yield condition and hardening rule for rocks;International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts;1972-07

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