What is it about?
In 1912, Nobel laureate Percy W. Bridgman observed a "pinching off" of specimens on the unloaded plane during his compression tests. This became known as Bridgman's paradox. Bridgman already wondered if it would be helpful to think in terms of deformation rather than loading. Our answer is YES. And we can show how thinking in terms of deformation can explain similar paradoxical observations of brittle failure.
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Why is it important?
Deformation can be observed and measured. The work connects observation to causes of cracking and fracture. It explains fracture sites and unexpected extension fractures.
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This page is a summary of: An Extension Strain Type Mohr–Coulomb Criterion, Rock Mechanics and Rock Engineering, August 2021, Springer Science + Business Media,
DOI: 10.1007/s00603-021-02608-7.
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