船体结构中疲劳裂纹的分析与修复

有些船舶在不同的船龄阶段 ,在船体结构上出现疲劳裂纹 ,特别是在船底、舷侧纵骨中较为突出。文章从实践出发 ,对发生在船体结构中的疲劳裂纹进行了较为全面的分析 ,找出了疲劳裂纹产生的主要原因 。

Endurance cracks may appear in the hull structure at different ship-ages for some ships,especially at the vessel bottom and the longitudinal bone on board side.This paper gives all-round analysis to the endurance crack in the hull structure and tells the main causes for such endurance crack for reference.