提出管道应力分析的目的与要求；
The author addresses the object and requirement for piping stress analysis.
石化管道应力分析中，二次应力的校核是最基本的强度校核之一。
In stress analysis of petrochemical pipe line, the secondary stress check is the one of basic strength check.
介绍了管道应力分析软件CAESARII，分析了改变管道受力情况的方法。
A pipe stress analysis software CAESARII is introduced to explore the methods for altering the force acting on the pipe.
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