Abstract
AbstractRecently, a mesh-size insensitive structural stress definition that provides a stress state at weld toe with relatively larger mesh size compared to conven tional approaches has been proposed. The structural stress definition is based on the elem entary structural mechanics theory and provides an effective measure of a stress state in front of weld toe. In this study, as an experimental validation of structural st ress method in obtaining the fatigue strength of weldments, a series of fatigue test has carried out for longi-web connections, which are representative of ship-like structures. Based on the result from this study, it is expected to develop a more precise fatigue strength evaluation technique and to reduce time and cost associated with the fatigue design of ship and offshore structures. ※Keywords: Fatigue strength assessment(피로강도평가), Structural stress(구조응력), Weld toe (용접 토우부), Longi-web connection(종횡부재 연결부) 접수일:2007년 7월 11일, 승인일 2007년 12월 23일✝교신저자: swkang@pusan.ac.kr, 051-510-2345
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