使用寿命预测是结构安全性评估的一个重要方面。
Service life prediction is an important aspect of structural safety evaluation.
对现役桥梁结构进行可靠性评定及剩余使用寿命预测，是我国工程界急待解决的问题。
Structural reliability estimation and structural residual service life predication are some of the urgent problems need to be solved in the engineering field.
现役结构可靠性评定、剩余使用寿命预测及结构可靠性设计，是我国工程界急待解决的问题。
Structural reliability rating, structural residual service life predication and structural reliability design are some of the urgent problems need to be solved in the engineering field.
基于钢筋锈蚀的混凝土结构使用寿命预测的一个重要问题是建立混凝土内钢筋锈蚀速率模型。
To establish the theory prediction model of reinforcement corrosion rate in concrete is the key to the service life estimation of reinforced concrete structure with regard to reinforcement corrosion.
最后，利用灰度函数的性质，给出套管缺陷分类的新方法，并对其进行分类和使用寿命预测分析。
Finally, the casing defects are classified by using the properties of grayscale function, and the lifetime of casing is forecasted.
分析提出了钢筋开始锈蚀时间及钢筋锈蚀时间计算方法，据此提出了抗滑桩安全使用寿命预测数学模型。
By analysis, a calculation method of the initial time and allowable time for steel-bar corrosion is built. Then a mathematic model for anti-slide pile service life is established.
提出了基于可靠性与经济优化相结合的在役混凝土结构剩余使用寿命的评估准则，并建立了在役混凝土结构剩余使用寿命预测的优化模型。
In this paper, an assessment criterion for remaining service life of existing concrete structures is put forward based on theory of reliability and economic optimization.
因此，计算筒体尤其是其危险部位的应力，预测其裂纹扩展速度或其使用寿命，具有非常重要的实际意义。
Accordingly, it is very important and significant to calculate the stress of the cylinder especially in the dangerous position, and to predict its crackle expanding speed and its surplus life.
预测了特定工况条件下CAS密封垫片的使用寿命。
The service life of CAS gasket could be predicted by this relationship.
实例说明该方法简单适用，最终实现了舰船装备结构剩余使用寿命的预测。
The practical examples show the method is simple and applicable, and can realize remanent life prediction for warship equipments.
在实验数据和理论公式相结合的基础上对格栅蠕变行为进行外推，这是预测格栅的长期使用寿命的方法之一。
One of predicting methods of is to extrapolate its creep behavior based on the combination of testing data and theory formula.
蠕变孔洞与蠕变失效的关系非常密切，以蠕变孔洞预测使用寿命是可靠的。
The relationship of creep void and creep failure is very close. Predicting service life by creep void is quite reliable.
预测结果与实际使用寿命取得一致，为动臂疲劳强度评估及结构改进提供了依据。
The result is identical with practical life, which can be used for the working arm fatigue strength assessment and the improvement of structure.
结果表明，优化前后两种ARMA模型均可对航空发电机的使用寿命实现预测效能。
The result shows that these two models can realize the function of predicting the aero-generator's service life.
结果表明，优化前后两种ARMA模型均可对航空发电机的使用寿命实现预测效能。
The result shows that these two models can realize the function of predicting the aero-generator's service life.
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