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Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
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Author | Xu, Yuwang Fu, Shixiao Zhong, Qian Fan, Dixia Zhang, Yu Li, Runpei |
Copyright Year | 2013 |
Abstract | Currently, the Jacket platform plays pivotal role in offshore oil exploitation. However, since many fixed platforms become ageing, the periodic detection and safety assessment is necessary for the platform structures during the service. In this paper, a sensitivity diagnose method is proposed, based on the fact that some members of jacket platform are very sensitive to the damage of the structure. At first, we numerically calculated the dynamic response of the platform with failure members in extreme sea environment, where the pile-soil interaction was considered. Then the sensitive members and the sensitivity distribution were concluded. The statistics show that the group of sensitive members is entirely different in different destructive cases. In other words, the change of stress on the members, caused by the member failure, is unique. Therefore, the sensitivity diagnose method is feasible and we can find the failure members based on the change of stress. |
Sponsorship | Ocean, Offshore and Arctic Engineering Division |
File Format | |
ISBN | 9780791855317 |
DOI | 10.1115/OMAE2013-10732 |
Volume Number | Volume 1: Offshore Technology |
Conference Proceedings | ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering |
Language | English |
Publisher Date | 2013-06-09 |
Publisher Place | Nantes, France |
Access Restriction | Subscribed |
Subject Keyword | Online safety monitor Jacket platform Stress sensitivity Member failure Design Structural elements (construction) Safety Failure Stress |
Content Type | Text |
Resource Type | Article |
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