According to different failure mechanism and displaying part, the failure modes are divided into plate end debonding failure and intermediate crack induced interfacial debonding failure.

这种粘结破坏按形成机理及破坏部位的不同可分为板端剥离破坏和跨中受弯裂缝导致的粘结破坏。

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This article is to confirm the corresponding factors for crack causing and the fatigue life, through an analysis of cracks at fastening plate, welding seams at the end of frame brace.

本文通过对交叉杆扣板直焊缝、端头环焊缝等各部位裂纹的分析，找出了其断裂机理及与疲劳寿命的相关因素。

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