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Approximate estimation of hardening-softening behaviour of circular pipes subjected to pure bending

Approximate estimation of hardening-softening behaviour of circular pipes subjected to pure bending Abstract An approximate method for describing the plastic hardeningsoftening behaviour of circular pipes subjected to pure bending is presented. Theoretical estimation based on the uniform ovalization model and local collapse model proposed in the paper is incorporated to give several simple formulations with reasonable accuracy for determining the relationship between bending moment (M) and curvature (k) in the purely bended pipes. Attention is focused on the critical curvature associated with maximum resistant moment and the maximum change in the original diameter before the end of uniform ovalization stage as well as the local collapse behaviour. Some comparisons between analytical results and experimental results are made in order to examine the theory. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Acta Mechanica Sinica" Springer Journals

Approximate estimation of hardening-softening behaviour of circular pipes subjected to pure bending

Jialing, Yang; Reid, S. R.
"Acta Mechanica Sinica" , Volume 13 (3): 14 – Aug 1, 1997
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References (12)

Publisher
Springer Journals
Copyright
1997 Chinese Society of Theoretical and Applied Mechanics
ISSN
0567-7718
eISSN
1614-3116
DOI
10.1007/BF02487705
Publisher site
See Article on Publisher Site

Abstract

Abstract An approximate method for describing the plastic hardeningsoftening behaviour of circular pipes subjected to pure bending is presented. Theoretical estimation based on the uniform ovalization model and local collapse model proposed in the paper is incorporated to give several simple formulations with reasonable accuracy for determining the relationship between bending moment (M) and curvature (k) in the purely bended pipes. Attention is focused on the critical curvature associated with maximum resistant moment and the maximum change in the original diameter before the end of uniform ovalization stage as well as the local collapse behaviour. Some comparisons between analytical results and experimental results are made in order to examine the theory.

Journal

"Acta Mechanica Sinica" – Springer Journals

Published: Aug 1, 1997

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