A study on the fatigue crack in large-scale tubular joints for offshore structures

被引：0
|
作者：
Im, SW
Chang, IH
Park, KK
Jo, CH
Kim, KY
机构：
来源：
PROCEEDINGS OF THE FIFTEENTH (2005) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 4 | 2005年
关键词：
tubular K-joint; API 2W Gr.50; hot spot stress; SCF; fatigue; through-thickness crack; S-N curve;
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Tubular members have been used for constructing offshore structures. Large-scale fatigue tests of welded tubular K-joints under balanced inplane bending brace were carried out to investigate the fatigue behavior of API 2W Gr.50 steel produced by POSCO. The experimental results were verified by numerical approaches and compared with the IIW, DnV RP-C203 and API RP 2A-WSD design curves. The test results based on the hot spot stress were in agreement with the design curves. The SCF factor for tubular K-joint was also obtained.
引用
收藏
页码：341 / 345
页数：5
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