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铁路选线毕业论文

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毕业设计论文

（铁道工程2008级）

设计题目：松江河至漫江铁路CK21+000～CK41＋000段选线设计

任务下达日期：2012年3月12日

完成期限：自2012年3月12日

至2012年6月29 日

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学生班级、学号：土木08-1-21

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摘要

本设计的主要内容是对松江河至漫江新建铁路CK21+000～CK41＋000段进行选线设计，铁路全长共20km，铁路设计时速120km/h，为单线铁路。

通过对客货运量以及沿途的地形地貌进行分析，查找相应技术规范，从而确定铁路的等级以及设计所需要的各种参数。根据所学过的《铁路选线设计》、《路基工程》、《铁路轨道》等知识，运用CAD以及相关软件绘制线路的平面图，纵断面图、横断面图和相关的计算说明。此外，还要对线路的排水进行设计，对于轨道的强度进行检算，以及工程投资预算和远期客货运量预算。

关键词：客货运量地形地貌平面图工程投资预算

Abstract

The design of the main contents of the selection design the Songjianghe Manjiang new railway CK21 +000 to CK41+000 segment, railways total length of 20km, railway design speed of 120km / h, single-track railway.

Passengers and freight along the topography, look up the corresponding technical specifications in order to determine the level of the railway and the various parameters of the design. Based on knowledge of the railway line selection, subgrade, railway track, the use of CAD and related software to draw the line plan, longitudinal section, cross-sectional diagram and related calculations show. Also, on the lines of drainage design, check calculation, as well as engineering investment budget and forward passenger cargo budget for the strength of the track.

Keywords: passenger and cargo traffic；Topography；Floor Plan；Engineering investment budget

目录

摘要............................................................................................................................ I ABSTRACT ................................................................................................................. I 第1章概述...................................................................................................... - 1 -

1.1选题意义极其必要性.............................................................................. - 1 -

1.1.1.选题的意义................................................................................... - 1 -

1.1.2 线路建设的必要性...................................................................... - 1 -

1.2本设计主要内容...................................................................................... - 4 -第2章线路设计................................................................................................ - 5 -

2.1选线方案定线说明.................................................................................. - 5 -

2.2平面线形设计.......................................................................................... - 5 -

2.2.1圆曲线以及缓和曲线的作用....................................................... - 5 -

2.2.2曲线要素....................................................................................... - 6 -

2.3纵断面设计.............................................................................................. - 8 -

2.3.1纵断面设计原则........................................................................... - 8 -

2.3.2纵坡设计要求............................................................................... - 8 -

2.3.3竖曲线设计................................................................................... - 8 -

2.3.4竖曲线的几何要素....................................................................... - 9 -

2.4 横断面设计........................................................................................... - 10 -

2.4.1横断面设计原则......................................................................... - 10 -

2.4.2各项技术指标............................................................................. - 10 -第3章土石方计算........................................................................................... - 11 -

3.1土石方计算............................................................................................. - 11 -

3.2挖方量计算............................................................................................. - 11 -

3.3填方量计算............................................................................................ - 14 -第4章排水设计................................................................................................ - 17 -

4.1路基排水目的和要求............................................................................ - 17 -

4.2路基排水设计一般原则........................................................................ - 17 -

4.3边沟........................................................................................................ - 17 -

4.3.1边沟的作用................................................................................. - 17 -

4.3.2边沟的纵坡................................................................................. - 18 -

4.3.3边沟流量..................................................................................... - 18 -第5章有砟轨道强度检算................................................................................ - 19 -

5.1计算资料................................................................................................ - 20 -

5.2轨道结构静力计算................................................................................ - 20 -

5.3轨道强度检算........................................................................................ - 21 -第6章工程投资计算........................................................................................ - 23 -

6.1土石方工程费计算：............................................................................ - 23 -

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