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重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2003, Vol. 22 ›› Issue (4): 20-24.

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道路立交平面线形圆心连线闭合导线设计法

吴国雄1，陈欣斗2   

  1. 1.重庆交通学院道路工程系，重庆 400074；2.重庆市规划设计研究院，重庆 400074
  • 收稿日期:2003-03-24 修回日期:2003-04-14 出版日期:2003-12-15 发布日期:2015-05-18
  • 作者简介:吴国雄（1966—）男，湖北崇阳人，教授，博士，从事道路工程教学，科研工作
  • 基金资助:
    交通部人才基金项目“公路平面线形曲线形设计方法及其应用研究”(97一4723)资助

Closed-traverse method of center-center lines of circles in horizqnt alignment design of road interchange

WU Guo-xiong 1，CHEN-dou2   

  1. 1.Department of Bridge&Structure Engineeing,Chongqing Jiaotong University,Chongqing 400074 ,China;2.Chongqing College of Planning and R , & D.Chongqing 401147,China
  • Received:2003-03-24 Revised:2003-04-14 Online:2003-12-15 Published:2015-05-18

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摘要： 互通式立交平面线形的复杂性使得采用传统的直线型设计方法难以满足设计要求.笔者提出了一种线形圆心连线闭合导线设计法.首先根据缓和曲线瞬时圆心轨迹的参数方程,推导出其性质,然后将瞬时圆心和已知的两条主线连接起来形成闭合导线,根据各种曲线组合情形,寻求相应的计算方法,利用缓和曲线的求解方法,可以进行立交平面线形的设计和计算.该方法通过实例得到了应用验证.

关键词: 平面线形, 瞬时圆心连线, 闭合导线

Abstract: The piper puts forward closed-traverse method of the lines of osculation and the closed-traverse method of the center-center lines of the circles . Based on the parameter equation of the track of the instantaneous center of the circle of the easement, its characters can be obtained, and then the lines of osculation and two through lines known commented to form the closed-traverse .According the arious compound styles ,corresponding methods can be found . Atlast ,design and calculation of horizontal alignment of interchange can be accomplished by using the calculating methods of easement alignment The design methods has been approed by examples .

Key words: horizontal alignment, the connecting lineb of the instantaneous circle center, Chosed- traverse design method

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