...非线性疲劳损伤累积；二元疲劳失效判据；寿命预测 [gap=1433]Keywords : strength degradation;nonlinear fatigue damage cumulative;double parameter fatigue criterion;life prediction ..
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nonlinear cumulative fatigue damage 非线性累积疲劳损伤
By using the nonlinear cumulative fatigue damage model considering the influence of the fatigue limit and the cyclic stress amplitude, the remaining life formula of the.
获得了用电阻变化测量疲劳损伤的公式，应用计及疲劳极限和循环应力幅影响的非线性累积疲劳损伤模型，给出了金属材料疲劳损伤的剩余寿命预测公式。
Taking into account of the effect of loading history, a new nonlinear cumulative damage model is established and the steps to predict remaining fatigue life with the model is given.
在考虑加载历史对疲劳寿命的影响下，建立了描述混凝土累积损伤的非线性模型；并根据损伤等效原理给出了混凝土疲劳剩余寿命的预测方法和步骤。
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