The probabilistic natures of pipe parameters of a pipeline were analysed by means of statistic treatment based on the experimental results of material behaviors and defects of pipeline.

• 对某天然气管道的有关材料性能和裂纹参量进行了试验测定和试验数据的数理统计处理,建立了管线有关参量的统计分布函数的概率模型。