期刊论文

英文

Engineering Failure Analysis

1350-6307

2025

167

108993

10.1016/j.engfailanal.2024.108993

CRediT authorship contribution statement Yuan Luo: Writing – review & editing, Supervision, Resources, Project administration, acquisition, Conceptualization. Xiaofan Liu: Visualization, Software, Methodology, Investigation, Formal analysis, Data curation, Conceptualization. Jian Cui: Writing – original draft, Validation, Resources, Conceptualization. Honghao Wang: Visualization, Formal analysis, Data curation. Lian Huang: Visualization, Formal analysis, Data curation. Weiming Zeng: Visualization, Formal analysis, Data

本校为其他机构

Orthotropic steel decks (OSDs) are welded structures prone to weld defects, increasing the risk of fatigue fracture. It is crucial to clarify the fatigue evolution mechanism of weld defects throughout the entire lifecycle. In this study, the fatigue propagation behavior of weld defects is investigated from the hidden stage to final fracture. Firstly, a full-scale segmental OSD model with prefabricated defects was utilized to investigated fatigue propagation behavior of surface cracks. Secondly, stress intensity factors (SIFs) of welding defects throughout the entire process were simulated usin...