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Paper
title

Rehabilitation of jacket offshore platforms

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 308
Year: 2015
COI code: OICIRAN06_027
Paper Language: English

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Authors Rehabilitation of jacket offshore platforms

  Y Komachi - Department of Civil Engineering, Pardis Branch, Islamic Azad University, Pardis, Iran
  M. R Tabeshpour - Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran

Abstract:

Some existing platforms may have some aspects of deficiency in both seismic and fatigue issues. From economic point of view it is preferable to retrofit and continue using of existing jackets in many cases, in comparison to a new installation. In this paper a relatively complete review has been carried out on various methods of rehabilitation. As an example an existing 4-leg service platform placed in the Persian gulf (Ressalat) is considered and the results are presented. Some efficient rehabilitation methods such as Friction Damper Device (FDD) and Buckling Restrained Braces (BRB) are presented and investigated for seismic loads and near-field effects as well. In this paper far and near field earthquakes are considered as possible excitations and the effects of FDD and BRB on the structural behavior are investigated numerically. The results show the high efficiency of both two methods in reduction structural responses and increasing seismic performance level.

Keywords:

Jacket Offshore Platform, Rehabilitation, FDD, TMD

Perma Link

https://www.civilica.com/Paper-OICIRAN06-OICIRAN06_027.html
COI code: OICIRAN06_027

how to cite to this paper:

If you want to refer to this article in your research, you can easily use the following in the resources and references section:
Komachi, Y & M. R Tabeshpour, 2015, Rehabilitation of jacket offshore platforms, 6TH International Conference on Offshore Industries, تهران, انجمن مهندسي دريايي ايران, https://www.civilica.com/Paper-OICIRAN06-OICIRAN06_027.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Komachi, Y & M. R Tabeshpour, 2015)
Second and more: (Komachi & Tabeshpour, 2015)
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The University/Research Center Information:
Type: Azad University
Paper No.: 1144
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