According to linear accumulative damage criteria,the equation for equivalent stress range Δσe was derived and ratio of load effect was defined for practical application on bridge fatigue reliability analysis.
根据线性累积损伤原则,推导出公路桥梁疲劳可靠性分析的等效应力幅Δσe的计算公式,定义了便于实际应用的荷载效应比。
参考来源 - 用于疲劳可靠性分析的公路桥梁荷载效应研究There is a gradual transition stage from serviceable state to failure state. Fuzzy theory is firstly used to describe the model uncertainty quantitatively, which can not be disposed by general fatigue reliability design.
在有限寿命模糊可靠性设计中,基于本文提出的“累积损伤-临界寿命”动态干涉模型,把疲劳破坏条件视为一模糊事件,认为元件从安全状态到失效状态不是以突变形式完成的,而是存在一个渐进过渡阶段,首次应用模糊数学方法对常规疲劳可靠性设计所无法处理的模型性不确定性问题进行了定量描述,并推导了相应的可靠度计算公式。
参考来源 - 不确定性疲劳寿命预测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
并简要介绍了按疲劳寿命模型分析疲劳可靠性的方法。
The fatigue damage analysis method which is based on fatigue life model is briefly introduced.
该研究为长寿命承力结构的疲劳可靠性评定奠定了基础。
This research lays down a base for assessing fatigue reliability of the aging structures.
基于各种检测结果和维修决策，对结构动态疲劳可靠性进行了评估。
The dynamic failure reliability of structure has been conducted according to result of NDI and repair decision.
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