Selected Journal of the Excellence Action Plan for China's Science and Technology Journals (Phase II),Selected Journal of Chinese Applied Core Journals (Extended Edition) / CACJ (Extended),Indexed in the Chinese Core Journals (Selection) Database
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轨道交通直流杂散电流 给埋地钢管防腐系统带来的新风险

Issue Number Issue 03, 2016 [View other articles in this issue]
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Publication Date 2016.03.15
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Author 徐颢 李代莉
Organization 武汉市天然气有限公司

Abstract

2013年中石化东黄复线输油管爆炸事故发生后,埋地钢管腐蚀的危险性逐步进入公众视野。影响钢管腐蚀的因素很多,其中城市轨道交通系统产生的直流杂散电流引起的腐蚀要比一般的土壤腐蚀激烈得多。这些杂散电流通过燃气钢管防腐层的薄弱区流入和流出管道,对整个防腐体系带来巨大的风险。本文以武汉市天然气有限公司为例,分析和探讨轨道交通排放的直流杂散电流对燃气管网带来的腐蚀影响,并尝试对此提出可行性应对措施。


Keywords

城市轨道交通 直流杂散电流 埋地管网 腐蚀

References

Declaration:

The English version of this article is translated with the assistance of AI.

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