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油气管道腐蚀安全评估与维修优化模型

, PP. 150-154

Keywords: 油气管道,腐蚀安全评估,失效概率,检测,维修优化

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Abstract:

综合考虑管道服役期内检测及维修活动的影响以及检测数据、管材特性、工作载荷和腐蚀增长率等不确定性因素,将概率论引入油气管道的腐蚀评估,提出了一种油气管道腐蚀评估和维修优化模型;该模型可用来优化管道的检测周期及维修准则,使其满足目标可靠度要求;针对管道维修后失效概率需要重新确定的问题,提出了一种近似方法,运用MonteCarlo模拟并验证了其准确性;实例表明,该模型用于油气管道腐蚀评估和维修优化是可行的,易于工程应用.

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