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- W2109938283 abstract "AbstractIn the load-carrying fillet weldments, which are common in ship structures, fatigue cracks can occur at the weld root, in addition to the weld toe. In par ticular, fatigue cracks originating from the weld root are difficult to detect and caus e a significant reduction in the fatigue strength of a weldment. Therefore, it is important to note the fatigue failure mode of load-carrying fillet weldment. In this study, a series of fatig ue test was carried out for the fatigue strength evaluation of longi-web connections that are t ypical kinds of the load-carrying fillet weldment. ※Keywords: Fatigue failure mode(피로 파손모드), Load-carrying fillet weldment(하중전달형 필릿 용접부), Fatigue strength(피로강도), Longi-web connections(종횡부재 연결부) 1. 서 론 선박 구조물은 대표적인 대형 용접 구조물이며, 오랜 기간 동안 파랑 등에 기인한 반복 하중을 받게 된다. 하지만 이러한 반복 하중을 받는 용접 접수일:2007년 7월 11일, 승인일 2007년 12월 23일✝교신저자: kimm@pusan.ac.kr, 051-510-2486 구조물에서 피로파괴가 발생하는 곳은 일반적으로 응력 집중이 발생하는 용접 연결부이며 따라서 선박 구조물의 설계에서 피로강도의 평가는 매우 중요한 요소로 작용한다. 한편, 선박에서는 작업 공정상의 이유로 필릿 용접이 많이 사용되고 있는데 하중 전달형 필릿 용접이음부의 경우 반복 하중을 받을 시 용접 토우부 뿐만 아니라 용입 부족부 선단에서도 응력집중이 발생하여 피로균열이 발생․전" @default.
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- W2109938283 date "2008-02-29" @default.
- W2109938283 modified "2023-09-23" @default.
- W2109938283 title "An Experimental Study for the Fatigue Strength Assessment of Longi-web Connections" @default.
- W2109938283 cites W2035909393 @default.
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- W2109938283 doi "https://doi.org/10.3744/snak.2008.45.1.87" @default.
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