结论有助于钢筋混凝土结构的疲劳设计，可靠性分析和寿命估算等。
This research contributes to fatigue design, probability analysis and life estimations for steel reinforcement concrete structure.
这种方法在许多方面得到应用，如结构设计、强度分析、寿命估算和断裂安全分析等。
It has been found applications in many aspects, such as structure design, strength analysis, life estimate, and fracture safety analysis, etc.
还列表给出车轮钢的全部应变疲劳参数和与之对应的静态参数，可供设计选材，寿命估算时使用。
Moreover, this paper lists both static and strain fatigue parameters of this material for material design, selecting and life prediction.
并根据其疲劳类型，确定选用安全寿命设计方法对塔式起重机钢结构进行疲劳分析，并应用名义应力法估算塔式起重机钢结构的疲劳寿命。
According to the fatigue type, use safe-life design method to study tower crane's fatigue, and choose nominal stress approach to estimate the life of tower crane.
最后，对筛选试验后的光纤寿命进行了估算，给出了光纤经三个等级的筛选应变后的寿命设计图。
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades proof testing strain is given.
可靠性设计是一种新的设计方法。这种方法在许多方面得到应用，如结构设计、强度分析、寿命估算和断裂安全分析等。
Reliability design is a kind of new design method. It has been found applications in many aspects, such as structure design, strength analysis, life estimate, and fracture safety analysis, etc.
冷挤压组合凹模的失效主要是凹模内腔疲劳裂纹的出现，在模具设计的前期较为准确的估算出组合凹模的疲劳寿命是模具优化设计的前提。
The stress analysis of combined die is a very complicated problem, and the exact analysis on it is a key to solve the mould life.
冷挤压组合凹模的失效主要是凹模内腔疲劳裂纹的出现，在模具设计的前期较为准确的估算出组合凹模的疲劳寿命是模具优化设计的前提。
The stress analysis of combined die is a very complicated problem, and the exact analysis on it is a key to solve the mould life.
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