A Note on the Stress Concentrations at the Bottom of a Flat-Ended Borehole

The Southern African Institute of Mining and Metallurgy
Steven L. Crouch
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The Southern African Institute of Mining and Metallurgy
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3
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193 KB
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Abstract

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The 'doorstopper' technique for determining the state of stress in rock requires that the stress concentration factors at the flat end of a borehole be known. Published values of these factors are widely variant. An axisymmetric finite element analysis of this problem has been made, yielding elastic stress concentration factors for different values of Poisson's ratio.
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APA: Steven L. Crouch  A Note on the Stress Concentrations at the Bottom of a Flat-Ended Borehole

MLA: Steven L. Crouch A Note on the Stress Concentrations at the Bottom of a Flat-Ended Borehole. The Southern African Institute of Mining and Metallurgy,

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