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沪昆高铁在运营过程中发现了多处钢轨擦伤,对全面排查发现的33处擦伤进行分析,发现钢轨是由施工建设过程中的工程车辆在长大坡道上造成的制动擦伤,经过一年多的列车运行,擦伤处会出现裂纹乃至掉块等病害,严重影响线路运行品质,更有甚者危及高铁行车安全。针对此情况探讨钢轨擦伤的预防及钢轨擦伤后的处理措施,以便类似情况可以借鉴。
During the operation of Shanghai-Kunming High-speed Rail, many rail scratches were found. Based on the analysis of 33 scratches found in the comprehensive investigation, it was found that the rails were caused by the brake scratches caused by the construction vehicles in the construction process on the long- After more than a year of train operation, there will be cracks or even chunks and other diseases, which will seriously affect the quality of the operation of the railway line. What is more, it will endanger the safety of the high-speed railway. In view of this situation to explore the prevention of rail abrasion and rail abrasion after the treatment measures for similar situations can learn from.