Comparison of existing plastic collapse load solutions with experimental data for 90 degrees elbows
- Authors
- Han, Jae-Jun; Lee, Kuk-Hee; Kim, Nak-Hyun; Kim, Yun-Jae; Jerng, Dong Wook; Budden, Peter J.
- Issue Date
- 1월-2012
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Finite element analysis; Elbow; Internal pressure; In-Plane bending; Limit load
- Citation
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, v.89, pp.19 - 27
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
- Volume
- 89
- Start Page
- 19
- End Page
- 27
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/109217
- DOI
- 10.1016/j.ijpvp.2011.09.001
- ISSN
- 0308-0161
- Abstract
- This paper compares published experimental plastic collapse loads for 900 elbows with existing closed-form solutions. A total of 46 experimental data are considered, covering pure bending (in-plane closing, in-plane opening and out-of-plane bending) and combined pressure and bending loads. The plastic collapse load solutions considered are from the ASME code, the Ductile Fracture handbook of Zahoor, by Chattopadhyay and co-workers, and by Y.-J. Kim and co-workers. Comparisons with the experimental data shows that the ASME code solution is conservative by a factor of 2 on collapse load for in-plane closing bending, 2.3 for out-of-plane bending, and 3 for in-plane opening bending. The solutions given by Kim and co-workers give the least conservative estimates of plastic collapse loads, although they provide slightly non-conservative estimates for some data. (C) 2011 Elsevier Ltd. All rights reserved.
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