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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，以合肥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合肥以及华中地区经济的发展，同时也将带动各产业的发展。铁路作为拉动经济的火车头，既可缓解安徽铁路运力的紧张局面，又可消除多年来制约安徽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。23936
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毕业论文关键词： 铁道工程；新线设计；单开道岔；无缝线路
Railway line design and climatic conditions
in Central China
Abstract：According to China's present situation of railway transport pressure increasing,the ballastless track, seamless line technology, taking the typical climatic conditions in Hefei area as an example, interval railway line design. The specific content of railway plane and profile design, circuit design, strength and stability of CWR structure design, complete new design issues. The new line construction not only can promote the economic development of Hefei and central China, but also will drive the development of industries. The railway as a locomotive pulling the economy, not only can ease tensions in Anhui railway transportation, but also eliminates the years restricted area of Anhui economic and social development of railway transportation bottleneck. Design using not only can improve the drivingstability and comfort of passengers, seamless line track rail joint to alleviate thedamage, track condition deterioration, but also for the designers and is also a research and the process of ascension, as laid a solid foundation for the futureto engage in civil engineering or related engineering.
KeyWords： Railway Engineering；New track design；Lateral turnout；CWR
目 录
1 绪论 1
1.1 设计概况 1
1.2 国内外研究现状与水平 1
1.3 设计参数 2
2 平纵横断面设计 3
2.1 新线平面设计 3
2.1.1 设计概述 3
2.1.2 设计原理 4
2.1.3 设计过程及结论 6
2.2 新线纵断面设计 7
2.2.1 设计概述 7
2.2.2 设计原理 7
2.2.3 设计过程及结论 11
2.3 新线横断面设计 12
2.3.1 设计概述 12
2.3.2 设计原理 14
2.3.3 设计过程及结论 14
2.4 本章小结 15
3 单开道岔设计与施工 16
3.1 转辙器设计 16
3.1.1 设计概述 16
3.1.2 设计原理 17
3.1.3 设计过程及结论 19
3.2 连接部分设计 20
3.2.1 设计概述 20
3.2.2 设计原理 20
3.2.3 设计过程及结论 20
3.3 辙叉部分设计 21
3.3.1 设计概述 21
3.3.2 设计原理 22
3.3.3 设计过程及结论 26
3.4 岔枕设计 26
3.4.1 设计概述 26
3.4.2 设计原理 26
3.4.3 设计过程及结论 27
3.5 道岔的铺设与施工 28