城市燃气管道内检测技术-中国天然气全景网 关键词：城市燃气管道； 内检测； 漏磁检测；超声波检测； 涡流检测； 完整性管理 [gap=565]Key words: city gas pipeline; intemal detection; leakage flux detection; ultrasonic detection; eddy current
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从安全风险管理的角度出发，研究了城市燃气管道检测周期的确定方法。
From the Angle of security risk management, a study on determining methods of inspection cycles for city gas pipelines is carried out.
结合未确知测度模型，对影响城市燃气管道安全的因素进行系统的分析与评价。
The factors affecting the safety of urban gas pipeline are analyzed and evaluated systematically.
首先分析了城市燃气管道信息系统的主要特点、功能、管线的空间数据特点等。
At first, the functions, features, data structure and data model of gas pipe information system in city are analyzed.
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