摘要：根据我国目前铁道线路运载压力不断增大的现状，运用无砟轨道、无缝线路等技术，以兰州地区典型气候条件为例，进行区间铁路轨道新线设计。通过铁路轨道平纵断面设计、线路强度及稳定性设计、无缝线路结构设计等具体内容，完成新线设计的课题。新线的建设不仅可以促进兰州经济的发展，同时也将带动石化等产业的壮大，进而提升西部地区的自我发展能力，铁路作为拉动经济的火车头，既可缓解甘肃铁路运力的紧张局面，又可消除多年来制约兰州一带经济社发展的铁路运输瓶颈。设计不仅运用了可提高行车平稳度和旅客舒适度，缓解钢轨接头造成的道床破坏、线路状况恶化等问题的无缝线路，而且对于设计者来说也是一个研究和提升的过程，为今后从事土木工程相关工作奠定了扎实的基础。21634
毕业论文关键词： 铁道工程；新线设计；无砟轨道
New Line railway track design under northwest
climatic conditions
Abstract：According to the status of railway lines carrying the growing pressure on our country, the use of non-ballasted track, seamless lines and other techniques to typical weather conditions Lanzhou area as an example, the range of new railway track design. Through the flat vertical section railway track design, line strength and stability of the design, structure design seamless line specific content, to complete the new line design issues. Construction of the new line can not only promote economic development in Lanzhou, but also will promote the growth of the petrochemical and other industries, and thus enhance the ability of self-development of the western region, railway locomotive as stimulating economic development , can ease tensions Gansu rail capacity, and eliminate the constraints of Lanzhou years of economic and social development in the area of rail transport bottlenecks. The design not only improve the use of the driving smoothness, ease of rail track bed joint, but also a research and promotion process for designers, engaged for the future civil engineering related work has laid a solid foundation.

KeyWords： Railway Engineering；Railway track design；Non-ballasted track；CWR

目 录
1 绪论    1
1.1    设计的目的及意义    1
1.2    国内外研究现状综述    1
1.2.1    铁路轨道线路平纵断面设计    1
1.2.2    道岔设计    2
1.2.3    轨道线路结构设计    3
1.2.4    无缝线路设计    3
1.3    设计资料    4
1.4    设计的主要内容    4
2 新线平纵横断面设计    5
2.1    新线平面设计    5
2.1.1    设计原则    5
2.1.2    公式图表    5
2.1.3    计算结果    7
2.1.4    设计小结    7
2.2    新线纵断面设计    7
2.2.1    设计原则    7
2.2.2    公式图表    8
2.2.3    计算结果    10
2.2.4    设计小结    11
2.3    新线横断面设计    11
2.3.1    设计原则    11
2.3.2    公式图表    12
2.3.3    计算结果    13
2.3.4    设计小结    14
2.4    本章小结    14
3 单开道岔设计与施工    15 西北气候条件的铁路轨道新线设计+NSYS命令流:http://www.youerw.com/gongcheng/lunwen_13932.html