废弃窄轨铁路改造为观光铁路适应性研究
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摘要
通过现场调研与资料搜集,整理国内废弃窄轨铁路概况,并根据其特点,对轨道结构包括钢轨、道床、轨枕、扣件、无缝线路5个方面进行分析,研究废弃窄轨铁路改造为观光铁路的适应性,提出相应的改造要求,结论如下:(1)废弃铁路钢轨可以继续使用,无需更换;(2)枕下道床厚度应满足不小于200 mm的要求;(3)建议采用钢筋混凝土轨枕逐步淘汰老旧的木枕;(4)废弃铁路的扣件可继续使用,但改造上道前应经过选配、整修、除锈和涂油,且符合相关要求;(5)建议观光铁路采用有缝线路。
This paper overviews the conditions of abandoned narrow railways in China based on local survey and documents. Then it analyzes their track structures in five aspects of rail,track bed,sleeper,fastener and seamless track. Furthermore,it discusses the adaptability of changing abandoned narrow railway into tourism railway and puts forward corresponding requirements for the transformation.Conclusions are as follows:( 1) the abandoned rails can be reused without being replaced;( 2) the thickness of the ballast bed under the sleeper should not be less than 200 mm;( 3) reinforced concrete sleepers are recommended to replace the old wooden sleepers step by step;( 4) the fastener of the abandoned fasteners can be reused subject to inspection,repairing,cleaning and greasing as specified before they are put in place;( 5) joint tracks are proposed for the tourism railway.
This paper overviews the conditions of abandoned narrow railways in China based on local survey and documents. Then it analyzes their track structures in five aspects of rail,track bed,sleeper,fastener and seamless track. Furthermore,it discusses the adaptability of changing abandoned narrow railway into tourism railway and puts forward corresponding requirements for the transformation.Conclusions are as follows:( 1) the abandoned rails can be reused without being replaced;( 2) the thickness of the ballast bed under the sleeper should not be less than 200 mm;( 3) reinforced concrete sleepers are recommended to replace the old wooden sleepers step by step;( 4) the fastener of the abandoned fasteners can be reused subject to inspection,repairing,cleaning and greasing as specified before they are put in place;( 5) joint tracks are proposed for the tourism railway.
引文
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[2]段恒胜.云南省西南部发展米轨铁路的探讨[J].铁道运输与经济,1997(5):9-11.
[3]王梦恕.铁道轨距背后的历史[J].大陆桥视野,2014(11):41-43.
[4]胡惠泉.建设我国西部米轨铁路系统的设想[J].铁道工程学报,1993(2):101-108.
[5]王卫锋.浅谈尼日利亚1 067 mm轨距铁路提速改造技术参数设计[J].铁道建筑技术,2004(2):58-59.
[6]冯慧淼.菲律宾北吕宋窄轨铁路线路设计标准研究[J].铁道标准设计,2011(11):24-27.
[7]李洪斌.马来西亚南部米轨铁路主要技术标准研究[J].铁道勘察,2004(06):48-51.
[8]广钟岩.高慧安.铁路无缝线路[M].北京:中国铁道出版社,2010.
[9]卢耀荣.无缝线路研究与应用[M].北京:中国铁道出版社,2004.
[10]姚元龙.米轨预应力混凝土轨枕[J].铁道建筑,1983(10):26-28.
[11]杨岳勤.高速米轨铁路主要技术参数的选择[J].铁道标准设计,2004(4):65-67.
[12]中华人民共和国铁道部.TB10015—2012铁路无缝线路设计规范[S].北京:中国铁道出版社,2012.
[13]贾德华,孙宁,卢耀荣.城市轨道交通中小半径大坡道高架桥上无缝线路优化设计[J].中国铁道科学,2006,27(1):48-52.
[14]郭郦.小半径曲线地段桥上无缝线路的设计研究[J].铁道工程学报,2008(2):47-49.
[15]孙立.大坡道曲线连续桥上无缝线路设计方法研究[J].铁道工程学报,2004(4):43-46.