沿江公路望东段b标一级公路初步设计(附件)【字数:21620】
目录
1 引言 .................................................................1
1.1江苏省公路的发展.....................................................1
1.2 一级公路线形设计....................................................2
1.3 道路线形综合设计....................................................3
2 设计任务..............................................................5
2.1 设计题目............................................................5
2.2 设计的目的和任务....................................................5
2.3 设计原始资料与依据..................................................5
2.4 主要内容与基本要求..................................................7
3平面线形设计.............................. *景先生毕设|www.jxszl.com +Q: #351916072#
............................8
3.1路线方案选择考虑的因素..............................................8
3.2路线方案的拟定与比选................................................9
3.3各方案经济技术指标..................................................9
4 道路平面设计......................................................... 12
4.1道路平曲线半径的选用原则与要求......................................12
4.2圆曲线要素计算......................................... ............13
5道路竖曲线设计........................................................16
5.1纵断面设计的原则....................................................16
5.2竖曲线要素计算......................................................19
5.3平、纵组合设计......................................................27
6道路横断面设计........................................................28
6.1横断面组成..........................................................28
6.2横断面各部分组成设计................................................30
6.3超高、加宽计算......................................................32
6.4土石方量计算........................................................34
7路基工程设计..........................................................35
7.1路基标准断面形式....................................................35
7.2路基附属设施........................................................35
7.3路基加固与防护......................................................36
8路面工程设计..........................................................36
8.1 沥青路面计算过程流程图.............................................37
8.2 设计资料...........................................................37
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