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API 2W Gr.50 강재를 이용한 대형 Tubular Joint 피로성능평가

Fatigue Behavior of Large Scale Tubular Joint for API 2W Gr. 50 Steel

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주제분류해양공학

초록

Abstract

Large-scale model tests of welded tubular K-joints were carried out to observe the fatigue behavior of API 2W Gr.50 steel produced by POSCO. The fatigue crack behaviors for various loading conditions were measured and investigated around the critical joint sections. The experimental results have been verified with numerical approaches and were also compared with the IIW, DnV RP-C203 and API RP 2A-WSD design curves. The hot-spot stress method was applied in the study. The SCF factor for tubular K-joint was also obtaine.

참고문헌 (12)

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