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STUDY ON TECHNICAL MEASURES FOR PROLONGING STEEL RAIL SERVICE LIFE OF HEAVY-DUTY RAILWAY LINE

机译:重载铁路延长钢轨使用寿命的技术措施研究

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摘要

Rail, as an important component in the track structure of heavy-haul railway line, is subject to higher requirement of yield strength, tensile strength, wear-resisting, anti-fatigue and easy-welding property.Based on the fact that rail may crack and fracture as a result of abrasion and repeated action from wheel of heavily-loaded train, the paper, therefore, sets forth the main characteristics of rail damages and proposes technical measures for prolonging rail service life.It also brings forward proposals for the future development of heavy-haul transportation with 25~35 t axle weight trains.
机译:铁路作为重载铁路线轨道结构中的重要组成部分,对钢的屈服强度,抗拉强度,耐磨性,抗疲劳性和易焊接性提出了更高的要求。因此,本文阐述了重载火车车轮磨损和重复作用导致的断裂和断裂,从而提出了铁路损坏的主要特征,并提出了延长铁路使用寿命的技术措施,并为未来的发展提出了建议。 25〜35 t轴重列车的重型运输。

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