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Static Strength of Sleeve Reinforced X-Joints Loaded by Compression Load

[+] Author Affiliations
Feng Qi, Jia-Hua Tan

Shanghai JiaoTong University, Shanghai, China

Paper No. OMAE2006-92062, pp. 49-53; 5 pages
doi:10.1115/OMAE2006-92062
From:
  • 25th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 1: Offshore Technology; Offshore Wind Energy; Ocean Research Technology; LNG Specialty Symposium
  • Hamburg, Germany, June 4–9, 2006
  • Conference Sponsors: Ocean, Offshore, and Arctic Engineering Division
  • ISBN: 0-7918-4746-2 | eISBN: 0-7918-3777-7
  • Copyright © 2006 by ASME

abstract

In this paper a new method to reinforce X joints is presented depended on the connection between pontoon and leg of semi-submersible. As a part of total research, this paper extends numerical study to sleeve reinforced X-joints subjected to compression load through systematic variation of the main geometric parameters. The load transferring mechanisms and failure modes of such joints, with different sleeve size, are investigated and compared with corresponding un-reinforced joints. Within the range of geometric parameters investigated, the sleeve is observed to provide strength enhancement up to 200% for the corresponding un-reinforced joint. Design recommendations are provided for this joint type.

Copyright © 2006 by ASME
Topics: Stress , Compression

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