The evaluation of corrosion flaws is based on the Allowable Stress Approach. The effect of the corrosion defects is taken into account multiplying the nominal stresses by stress concentration factors of the riser joints containing corrosion defects.
采用许用应力法进行腐蚀缺陷评估;考虑腐蚀缺陷造成的管壁应力集中,在计算系统疲劳寿命时引入应力集中系数,给出一种综合评估两种损伤的可行方法。
参考来源 - 深水钻井隔水管寿命管理技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Strength Design values may be converted to Allowable Stress Design values.
设计要求、强度设计值可转换为许用应力设计值。
Some datum, for example safety factor and allowable stress are put forward based on production practice.
提出的设计数据如安全系数、许用应力均根据生产实践的应用所确定。
In this case allowable stress of imported material shall be those for equivalent material in GB150-1998 as follows.
在此情况下，进口材料的允许应力与GB150 - 1998中的相当材料相同。
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