| 高等级线路缓和曲线边线性质及计算公式 |
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| 引用本文： | 须鼎兴,陈继山.高等级线路缓和曲线边线性质及计算公式[J].同济大学学报(自然科学版),2003,31(1):56-59. |
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| 作者姓名： | 须鼎兴 陈继山 |
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| 作者单位： | 同济大学,测量与国土信息工程系,上海,200092 |
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| 摘 要： | 对缓和曲线边线性质问题展开讨论 ,证实了为保持线路的等宽性 ,用缓和曲线的平行线作为线路的内、外侧边线的合理性 ,并基于缓和曲线及平行线的基本特性 ,导出了边线参数计算公式及边线长度计算公式 ,为高等级线路的设计、测设与检测提供了理论依据与实用计算公式 ,也为现状线路普查时所获取的大量散点数据的线型拟合提供了数学模型 .
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| 关 键 词： | 缓和曲线边线 坐标参数方程 边线长度 |
| 文章编号： | 0253-374X(2003)01-0056-04 |
| 修稿时间： | 2002年9月22日 |
Formula of Calculating Transaction Curve for Higher Grade Highway |
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| XU Ding-xing,CHEN Ji-shan.Formula of Calculating Transaction Curve for Higher Grade Highway[J].Journal of Tongji University(Natural Science),2003,31(1):56-59. |
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| Authors: | XU Ding-xing CHEN Ji-shan |
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| Abstract: | The boundary line's property of transaction curve is discussed.In order not to change the width of the road,it's reasonable to use the parallel lines of transaction curve as the inner and outer boundary lines.Based on the characteristics of transaction curve and parallel line,the calculation formulas of boundary line parameters and length are derived,providing theoretical support for higher grade highway design,and determination,as well as practical formula for calculation,also providing mathematics model for dealing with linear data which are obtained through road survey. |
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| Keywords: | boundary line of transaction curve parametric equation of coordination length of boundary line |
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