杂散电流作用下地铁与事故管网耦合特征分析

Analysis and Numerical Simulation of Coupling Characteristics Between Subway and Failure Pipeline Network Under Stray Current

近年来,城市地铁系统的不断扩张加剧了管道网络中的杂散电流腐蚀问题,成为城市安全的一个关键问题。本文深入研究了这些现象之间错综复杂的相互作用,采用数据驱动的统计分析来阐明地铁线路之间的耦合特征和相邻埋地管道故障的发生。从宏观角度揭示不同影响因素下地铁管道腐蚀的空间细微差别和多方面影响。其发现揭示了城市地铁网络和金属管道网络之间明显的地理和功能相似性。结果强调了地铁系统和管道之间的耦合属性,如距离、角度和管道的具体特征,包括材料和年龄,承担着关键的作用。

In recent years,the continuous expansion of urban metro systems has exacerbated the issue of stray current corrosion in pipeline networks,making it a critical concern for urban safety.This paper delves into the intricate interactions among these phenomena and employs data-driven statistical analysis to elucidate the coupling characteristics between metro lines and the occurrence of faults in adjacent underground pipelines.It reveals spatial nuances and multifaceted influences on subway pipeline corrosion under different influencing factors from a macro perspective.The findings unveil pronounced geographical and functional similarities between urban metro networks and metal pipeline networks.The results underscore the coupling attributes between the metro system and pipelines,such as distance,angles,and specific characteristics of the pipelines,including materials and age,playing a crucial role.