| 缓和曲线平行线的参数方程及应用 |
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| 引用本文： | 李全信.缓和曲线平行线的参数方程及应用[J].铁道勘察,2003,29(4):1-4. |
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| 作者姓名： | 李全信 |
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| 作者单位： | 郑州市规划勘测设计研究院,河南,郑州,450052 |
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| 摘 要： | 基于缓和曲线平行线的几个特性 ,推出了缓平线以其中线或自身弧长为变量的通用参数方程 ,从而为其测设奠定了坚实的基础。还简述了缓平线参数方程在工程中的应用问题
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| 关 键 词： | 缓和曲线 缓平线 参数方程 弧长 测设 |
| 修稿时间： | 2003年7月7日 |
The Parametric Equations of the Parallel to the Easement Curve and Its Application |
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| Li Quanxin.The Parametric Equations of the Parallel to the Easement Curve and Its Application[J].Railway Investigation and Surveying,2003,29(4):1-4. |
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| Authors: | Li Quanxin |
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| Institution: | Zhengzhou Urban Planning Design and Survey Research Institute |
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| Abstract: | Based on the several properties of the parallel to the easement curve,this paper derives the general formula parameter equations of the parallel to easement curve taking the arc length of its middle curve or itself as variable,which lay the foundation for its setting-out.It also presents the applications of equation in practice. |
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| Keywords: | Easement curve Parallel to easement curve Parametric equation Arc length Setting-out |
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