The author addresses the object and requirement for piping stress analysis.
提出管道应力分析的目的与要求；
The classification of piping stress, stress development factors and stress release method are introduced.
论述了管道应力分类、产生的因素以及应力消除方法。
The results show the piping stress analysis and evaluation of the secondary cooling water system satisfied the PIPSTRESS codes.
结果表明，二次水系统的应力分析与评定符合规范要求。
Piping runs joined to the flanges must be installed in a straight line position to the flange to avoid stress at the flange due to misalignment.
如果管道要联接到法兰上，必须以直线方向安装到法兰上，避免由于没有对准而对法兰产生压力。
The allowable stress of the pipe material shall be chosen from the data of GB 50316 Design Specification for Industrial Metal Piping.
管子材料的许用应力可按GB 50316《工业金属管道设计规范》中的数据选用。
This paper introduces the concept of the pressure piping, discusses on the classification of the pressure piping, and expounds the concrete methods for the stress analysis of the pressure piping.
介绍了压力管道的概念，讨论了压力管道的分类，论述了压力管道应力分析的具体方法。
Then, the intensity limitations for the displacement stress and secondary stress used in the piping design codes and the pressure vessel design codes were discussed.
然后，对管道设计规范和容器设计规范中针对位移应力和二次应力的强度条件进行了讨论。
For assessing reliability of a pressure piping containing defects, it is necessary to know the calculation method and the distributions of flow stress of material.
确定管道流变应力的不确定性分布是对含缺陷压力管道进行可靠性评定的前提。
The result shows that good support concept is useful to reduce the stress of piping and the loads on supports, and it is also helpful to keep the nuclear power safe.
研究结果表明，合理设置支吊架的位置和功能类型，可以有效减小管道和支吊架上的应力，为核电厂的安全提供保障。
When the research results herein are used in stress analysis of piping system in engineering, more precise results can be obtained.
本研究结果应用于工程设计中的管系应力分析，可使计算结果更为精确。
The allowable stress is the value of the determined basic allowable stress of the piping material multiplied by a quality factor.
而管道许用应力是在确定了管道材料的基本许用应力后，乘以质量系数所得的值。
It is reasonable takes shape the unfinished piping to the flat ellipse for reduce the remaining stress peak value and ellipticity.
从控制成型残余应力峰值和合缝预焊后管口椭圆度的角度出发综合考虑，将管坯成型为扁椭圆较为合理。
Proper piping design and stress analysis are reliable guarantees for the normal and safely operation of the plant.
正确的配管设计与应力分析是装置正常运行和工厂安全生产的可靠保证。
Stress analysis of pipeline is the basis of piping design.
管道的应力分析是配管设计的基础。
On the other hand, based on the analysis of piping thermo-stress, the key points in the design of piping and the solving methods of the piping thermo-expand are also obtained.
通过对配管热应力的分析，得出设计热配管的要点及应对配管热膨胀的方法。
The flexibility analysis and stress calculation were carried out for the piping system...
在对该管系进行了柔性分析及应力计算后提出了改造方案。
The flexibility analysis and stress calculation were carried out for the piping system...
在对该管系进行了柔性分析及应力计算后提出了改造方案。
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