Generation and application of a standardized load-time history to tubular T-joints in offshore platforms

被引：3

作者：

Li Shan-shan ^{[1
]}

Cui Wei-cheng ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200030, Peoples R China

[2] Shanghai Ocean Univ, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China

来源：

CHINA OCEAN ENGINEERING | 2015年 / 29卷 / 05期

关键词：

standardized load-time history (SLH); unified fatigue life prediction (UFLP) method; fatigue crack propagation (FCP) theory; tubular T-joint;

D O I：

10.1007/s13344-015-0045-8

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Marine structures are mostly made of metals and always experience complex random loading during their service periods. The fatigue crack growth behaviors of metal materials have been proved from laboratory tests to be sensitive to the loading sequence encountered. In order to take account of the loading sequence effect, fatigue life prediction should be based on fatigue crack propagation (FCP) theory rather than the currently used cumulative fatigue damage (CFD) theory. A unified fatigue life prediction (UFLP) method for marine structures has been proposed by the authors' group. In order to apply the UFLP method for newly designed structures, authorities such as the classification societies should provide a standardized load-time history (SLH) such as the TWIST and FALSTAFF sequences for transport and fighter aircraft. This paper mainly aims at proposing a procedure to generate the SLHs for marine structures based on a short-term loading sample and to provide an illustration on how to use the presented SLH to a typical tubular T-joint in an offshore platform based on the UFLP method.

引用

页码：633 / 648

页数：16

共 21 条

[1] Generation and application of a standardized load-time history to tubular T-joints in offshore platforms
Shan-shan Li
Wei-cheng Cui
China Ocean Engineering, 2015, 29 : 633 - 648
[2] Generation and Application of A Standardized Load-Time History to Tubular T-joints in Offshore Platforms
李珊珊
崔维成
China Ocean Engineering, 2015, 29 (05) : 633 - 648
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