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无碴轨道谐振式无绝缘轨道电路传输距离的缩短,影响了列车的行车安全,大大限制了我国无碴轨道结构的发展。通过分析无碴轨道无绝缘轨道电路传输距离缩短的原因,发现如果无碴轨道结构内部的钢筋采取一定的绝缘措施能够提高轨道电路的传输距离。试验验证采用合理的绝缘措施可使无碴轨道满足ZPW-2000无绝缘轨道电路传输距离1 600 m的要求。
The transmission distance of ballastless track resonant non-insulated track circuit is shortened, which affects the traffic safety of train and greatly limits the development of ballastless track structure in our country. By analyzing the reason of shortening the transmission distance of ballastless track circuit, it is found that if the inside of ballastless track structure reinforced with certain insulation measures can improve the transmission distance of track circuit. Test Verification The reasonable insulation measures can make ballastless track meet the requirement of ZPW-2000 uninsulated track circuit transmission distance of 1 600 m.