简介：【毕业设计】线路大修与铁路无缝线路设计，26页。
详情：
无缝线路是铁路现代化标志之一，它具有行车平稳，旅客舒适，同时机车车辆和轨道的维修费用低，使用寿命长等优点。随着线路客货运量和行车速度的不断提高，列车轴重的增加，无缝线路已成为高速、重载铁道的必选轨道结构，也是我国铁路线路的主要发展方向。线路经过长期运营，线路平纵断面会发生变化。因此，要对现有的平纵断面进行勘测，并根据勘测资料，对线路平纵断面进行改善设计。
该资料利用Auto CAD及Excel，对线路大修地段进行了平面、纵断面改善设计，并绘制了的线路大修纵断面改善设计图；通过对轨道结构类型选择、轨道强度及稳定性检算，进而对路基上无缝线路进行设计；通过计算桥上无缝线路钢轨伸缩附加力和挠曲附加力，设计了一座中跨钢桥上的无缝线路，并绘制了无缝线路长轨节布置图。最后对线路大修工作作了专题研究。
目录：
第1章 引言······························································································· 1
1.1 线路大修···························································································· 1
1.1.1 概述····························································································· 1
1.1.2 设计内容······················································································· 1
1.2 铁路无缝线路····················································································· 2
1.2.1 概述····························································································· 2
1.2.2 路基上无缝线路············································································· 3
1.2.3 桥上无缝线路················································································ 3
第2章 线路大修平面设计············································································ 4
2.1 概述·································································································· 4
2.2 既有曲线渐伸线长度计算····································································· 6
2.3 设计曲线渐伸线长度计算····································································· 7
2.4 拨距计算·························································································· 10
第3章 线路大修纵断面设计······································································· 17
3.1 纵断面设计的特点及原则···································································· 17
3.1.1 设计特点····················································································· 17
3.1.2 设计原则····················································································· 17
3.2 纵断面设计技术条件·········································································· 17
3.3 纵断面设计方法················································································· 18
3.3.1 纵断面设计步骤··········································································· 18
3.3.2 设计纵断面·················································································· 19
3.4 原始资料·························································································· 20
3.5 设计数据及计算结果·········································································· 22
3.6 设计纵断面图···················································································· 24
第4章 路基上无缝线路设计······································································· 26
4.1 无缝线路基本技术条件······································································· 26
4.1.1 无缝线路分类··············································································· 26
4.1.2 无缝线路铺设地段和位置······························································· 26
4.2 钢轨强度检算···················································································· 27
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