这些对管节点的断裂力学评估提供了有价值的实验依据。
These experimental results will be very valuable for the Fracture Mechanics Evaluation of joints of tubular structures.
本文在大量实验的基础上提出了对焊接节点采用断裂力学的方法和对螺栓球节点应用累积损伤理论估算它们疲劳寿命的计算方法。
Finally, the methods for calculating fatigue life based on fracture mechanics for welded node and cumulative damage theory for bolted sphere node respectively have been presented.
讨论了恒幅及变幅载荷作用下，拉剪点焊接头的疲劳性能，并应用断裂力学对实验结果进行了分析和整理。
This paper discussed the fatigue strength of single-spot-welded joints under constant and variable amplitude loading. The fracture mechanics was also used to analyse the experimental results.
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