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提出了评定带周向缺陷管道塑性失稳失效的一种新方法——名义应力比法,并详细说明该方法的优点和基本思路.与ASME规范许可缺陷尺寸表法相比,该方法更实用.
A new method to evaluate plastic instability failure of pipes with circumferential defects - nominal stress ratio method is presented, and the advantages and basic ideas of this method are described in detail.Compared with the ASME PSF method, this method is more practical.