This study derives the fatigue resistance of welded details in orthotropic decks using structural stress (hot-spot stress where possible) based on tests described in literature and tests by the authors. The data are supported with linear elastic fracture mechanics simulations. Details covered are the rib to deck weld, the crossbeam to deck weld and the deck butt weld. High fatigue resistances are found, caused by favourable loading modes (bending and compression) and reduced driving force with the growth of cracks. The technical specification TS 1993-1-901, part of the new generation of Eurocodes, is based on the results of this study.

中文翻译：

---

使用结构应力的正交各向异性甲板中肋材与甲板、横梁与甲板以及甲板与甲板焊缝的抗疲劳性

本研究根据文献中描述的测试和作者的测试，使用结构应力（可能的热点应力）推导出正交各向异性甲板焊接细节的抗疲劳性。数据得到线性弹性断裂力学模拟的支持。涵盖的细节包括肋材到甲板的焊缝、横梁到甲板的焊缝和甲板对接焊缝。发现了高抗疲劳性，这是由有利的加载模式（弯曲和压缩）和随着裂纹的增长而降低的驱动力引起的。作为新一代欧洲规范的一部分，技术规范 TS 1993-1-901 就是基于这项研究的结果。