摘要
研究目的:最小曲线半径的选择是重载铁路的主要技术标准之一,由于重载铁路轴重大、运量大,钢轨磨耗较常规客货混运铁路严重,最小曲线半径的选择直接关系到重载铁路的安全性、经济性和养护维修的便利性。通过开展有关技术标准研究,结合我国近年来重载铁路建设、运营的实践经验和科研成果,提出重载铁路最小曲线半径选择的标准,对于规范我国重载铁路的建设具有较强的借鉴意义和指导作用。研究结论:(1)曲线半径的选择应因地制宜、合理选用,既能满足行车速度要求,又能适应地形地质条件,减少工程投资,便于养护维修;(2)重载铁路曲线半径的选择应重视轮轨磨耗、减少线路养护维修工作量,为运营创造较好的条件;(3)重载铁路的最小曲线半径一般条件下不小于1 200 m,困难条件下不小于800 m,个别条件下不小于600 m;(4)本研究成果可以为重载铁路的相关研究提供一定的理论依据,为重载铁路主要技术标准的选择提供决策参考。
Research purposes ： The choice of minimum curve radius is one of the main technical standards of heavy haul railway. Because of high axle load of heavy haul railway, large volume, serious rail wear compared with the conventional railway passenger and freight transportation, the choice of minimum curve radius is directly related to the safety, economy and convenience of maintenance of heavy haul railway. Through research on technical standards, combined with the construction, operational experience and scientific research results of heavy haul railway in our country in recent years, the standard of minimum curve radius selection for heavy haul railway is proposed, which has a strong reference value and guidance for the construction of heavy haul railway in China. Research conclusions： （ 1 ） The choice of curve radius should be adapted to local conditions, reasonable selection, which can meet the requirements of the driving speed, and can also adapt to the terrain geological conditions, reduce the investment, to facilitate maintenance and repair. （2）The choice of curve radius of heavy haul railway should pay attention to the wheel rail wear, and reduce the maintenance workload of line, to create better conditions for operations. （3） The minimum curve radius of heavy haul railway is not less than 1 200 m, not less than 800 m under difficult conditions, and not less than 600 m under the individual condition. （4） The research results can provide a theoretical basis for the research of the heavy haul railway, and provide a reference for the selection of the main technical standards of the heavy haul railway.
出处
《铁道工程学报》
EI
北大核心
2016年第1期36-41,共6页
Journal of Railway Engineering Society
关键词
重载铁路
最小曲线半径
研究
heavy haul railway
minimum curve radius
study
