| 与缓和曲线及其平行线有关的面积计算 |
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| 引用本文： | 李全信.与缓和曲线及其平行线有关的面积计算[J].测绘工程,2004,13(4):35-39. |
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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： | 列出了缓和曲线平行线间面积计算公式和缓和曲线弓形面积公式,运用简单几何原理推出了缓和曲线平行线弓形面积的通用计算公式,并附有算例相验证.讨论了面积公式的实际应用问题.
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| 关 键 词： | 缓和曲线 平行线 弓形面积 中线弧长 计算公式 |
| 文章编号： | 1006-7949(2004)04-0035-05 |
| 修稿时间： | 2004年4月28日 |
Calculation of the area concerning easement curve or its parallel |
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| LI Quan-xin.Calculation of the area concerning easement curve or its parallel[J].Engineering of Surveying and Mapping,2004,13(4):35-39. |
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| Authors: | LI Quan-xin |
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| Abstract: | This paper presents the area calculation formulae for segment of easement and between the parallel curves of the easement. The general formulae for calculating the segment area of the parallel curve of easement are derived by the simple principle of geometry on the basis. The problems about the application of the area formulae in practice are also discussed. |
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| Keywords: | easement) parallel curve) segment area) arc length of middle curve) computing formula |
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