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Effect of reinforcement on plastic limit loads of branch junctions
- Authors
- Kim, Yun-Jae; Myeong, Man-Sik; Yoon, Kee-Bong
- Issue Date
- Aug-2009
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Finite element limit analysis; Limit pressure; Limit moment; Reinforced branch junction
- Citation
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, v.86, no.8, pp 508 - 516
- Pages
- 9
- Journal Title
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
- Volume
- 86
- Number
- 8
- Start Page
- 508
- End Page
- 516
- ISSN
- 0308-0161
- Abstract
- This paper provides effects of reinforcement shape and area on plastic limit loads of branch junctions under internal pressure and in-plane/out-of-plane bending, via detailed three-dimensional finite element limit analysis assuming elastic-perfectly plastic material behaviour. It is found that reinforcement is most effective when (in-plane/out-of-plane) bending is applied to the branch pipe. When bending is applied to the run pipe, reinforcement is less effective when bending is applied to the branch pipe. The reinforcement effect is the least effective for internal pressure. (C) 2009 Elsevier Ltd. All rights reserved.
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