摘要
通常采用腐蚀管道剩余强度的估算方法来评价腐蚀管道的安全性,预测管道的剩余寿命。描述了管道腐蚀失效的数学模型和腐蚀管道的可靠性数学模型。结合工程实钶,将影响管道剩余强度的参数看成是正态分布或对数正态分布,分析了各个参数对管道可靠性的影响程度。
The method for determining the remaining strength of corroded pipeline is usually used to evaluate the safety of corroded pipeline and forecast its residual life. The mathematical models for the pipeline corrosion failure and the reliability of corroded pipeline are described. Combined with an engi- neering example, the parameters influencing the remaining strength of pipeline are considered to be normal or log-normal distributions, and the influence degrees of different parameters on pipeline reliability are analyzed.
出处
《煤气与热力》
2008年第10期7-10,共4页
Gas & Heat
关键词
压力管道
腐蚀缺陷
可靠性
剩余强度
pressure pipeline
corrosion defect
reliability
remaining strength
