A method for reliability assessment of the strength of a degraded ship hull in the presence of corrosion and fatigue is developed.
针对腐蚀和疲劳裂纹对船体强度的影响，提出一种结构可靠性的评估方法。
Using reliability assessment method, we can obtain proper assessment of hull longitudinal strength safety level.
采用可靠性评估的方法，对船体总纵强度的安全水平可作出合理的评价。
However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.
近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。
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