| 机场纵断面上竖曲线设计的改进方法 |
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| 引用本文： | 李光元.机场纵断面上竖曲线设计的改进方法[J].空军工程大学学报,2001,2(3):11-13. |
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| 作者姓名： | 李光元 |
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| 作者单位： | 空军工程大学工程学院!陕西西安710038 |
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| 摘 要： | 对现有机场纵断面竖曲线设计方法作了分析，分析了其缺点，并指明了现有视距判定方法不能处理局部凹形纵断面和设置竖曲线的情况。提出了残余变坡法和抛物线法两种改进后的设计方法，对两种新方法的各种要素进行了推导。并对设计了竖曲线的两类视距判定提出了一种新的计算方法，这种方法克服了现有方法的缺点，而且适合计算机编程。
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| 关 键 词： | 纵断面 竖曲线 视距 |
| 文章编号： | 1009-3516(2001)03-11-13 |
| 修稿时间： | 2000年12月3日 |
Innovated Design Method for the Perpendicular Curve on Airfleld Vertical Section |
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| LI Guang-yuan.Innovated Design Method for the Perpendicular Curve on Airfleld Vertical Section[J].Journal of Air Force Engineering University(Natural Science Edition),2001,2(3):11-13. |
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| Authors: | LI Guang-yuan |
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| Institution: | The Engineering Institute of the Air Force Engineering University ,Xi''an 710038 , China |
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| Abstract: | This paper analyses the popular design method for the perpendicular curve on airfield vertical section ,points out its defects,and also designates that current method to estimate sight distance can not solve the sight distance problem of vertical section with part concave or setting perpendicula curve So,it suggests two innovated methods to design the perpendicular curve At last,a new method to estimate sight distance is brought forward,and this method is strong and easy in computer program |
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| Keywords: | vertical section perpendicular curve sight distance |
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