地铁防杂散电流的钢轨绝缘涂层研究  

Study on rail insulation coating to prevent stray current in metro

作　　者：何广飞 罗旭光 卢玉龙 佘新光 许四喜 马建社 侯光荣 He Guangfei;Luo Xuguang;Lu Yulong

机构地区：[1]厦门轨道交通集团有限公司,福建厦门361001 [2]中铁十一局集团有限公司,湖北武汉430061 [3]洛阳双瑞橡塑科技有限公司,河南洛阳471039 [4]成都瑞尔维轨道交通技术有限公司,四川成都611731 [5]铁科院(北京)工程咨询有限公司,北京100081 [6]北京铁城建设监理有限责任公司,北京100855

出　　处：《现代城市轨道交通》2020年第10期107-109,共3页Modern Urban Transit

摘　　要：地铁工程在设计和施工方面需对杂散电流采取有效的限制措施,降低其不利影响。杂散电流常规解决方案为通过连接道床钢筋和杂散电流端子收集杂散电流到变电所。近年来出现更佳的杂散电流解决方案,具体为采用新型纳米瓷绝缘涂层对钢轨全包覆,该方法在厦门地铁3号线双十中学站—五缘湾站区间进行实地试验,试验结果表明:常规措施下钢轨对排流网的过渡电阻为15.3Ω·km,而涂层处理地段钢轨对排流网过渡电阻达到25.6Ω·km,表明纳米瓷涂层绝缘效果显著。In the design and construction of metro,it is necessary to take effective measures to limit the stray current and reduce its adverse effects.The conventional solution for stray current is to collect stray current to the substation by connecting the ballast reinforcement and the stray current terminal.Better stray current solutions have emerged in recent years,specific to the new nano ceramic insulation coating for cladding rail in the Double tenth middle school--Fiveyuan bay station of Xiamen metro line 3 has carried on fi eld test,the test results show that under conventional measures the rail to row transition resistance is 15.3Ω·km,and the coating processing rail on row transition resistance is 25.6Ω·km,the nano ceramic coating insulation effect is remarkable.

关 键 词：地铁 杂散电流 钢轨涂层 绝缘性 

分 类 号：U228.2[交通运输工程—道路与铁道工程]