Three types of commonly used local stress approaches recognized by Codes and Standards for fatigue of welded joints are reviewed and evaluated with respect to a comprehensive collection of multi-axial fatigue test data available in literature. These local stress approaches are surface-extrapolated hot spot stress, effective notch stress and traction structural stress. The hot spot stress and notch stress approaches are based on those stipulated in Eurocode 3 (2005) and IIW Recommendations (2016). Traction structural stress is based mainly on ASME VIII Div 2 Code (2007) and its latest development. The results show traction structural stress method offers a significantly improved data correlation over hot spot stress and notch stress approaches.

关于文献中可获得的多轴疲劳试验数据的全面收集，对焊接接头疲劳的规范和标准认可的三种常用的局部应力方法进行了回顾和评估。这些局部应力方法是表面外推热点应力，有效缺口应力和牵引结构应力。热点应力和缺口应力方法基于欧洲规范3（2005）和IIW建议（2016）中规定的方法。牵引结构应力主要基于ASME VIII Div 2规范（2007）及其最新发展。结果表明，与热点应力和缺口应力方法相比，牵引结构应力方法可显着改善数据相关性。