Stress intensity factors for small fatigue cracks in tubular joints
Conference
·
OSTI ID:264128
- Memorial Univ. of Newfoundland, St. Johns, Newfoundland (Canada). Centre for Cold Ocean Resources Engineering
- University College, London (United Kingdom)
Some simple fracture mechanics models are presented for estimating stress intensity factors for small surface fatigue cracks in welded tubular joints. Model predictions are compared with large-scale experimental results for the cases of in-plane and out-of-plane bending in multi-brace tubular nodes. It is demonstrated that reasonably accurate predictions of the stress intensity factor are possible using a modified flat plate solution if the effects of weld geometry, load shedding and crack shape are adequately accounted for.
- OSTI ID:
- 264128
- Report Number(s):
- CONF-950604--; ISBN 1-880653-20-6
- Country of Publication:
- United States
- Language:
- English
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