解析圆曲线坐标及其放样方法

On Circular Curved Line Coordinate and Its Layout Method

在线路施工测量中,圆曲线测设方法有很多,通常采用偏角法或切线支距法。文章提出一种方法,即在已有道路规划坐标或无道路规划坐标时,计算圆曲线上任意点的坐标,或独立坐标,然后进行坐标反算,按极坐标放样方法,放出曲线位置。

There are many methods to measure the circular curved line in circuitry construction survey. Angle offset method and tangent offset method are usually used. In this paper, the author puts forward a method, that is, no matter whether there＇s road plan coordinate, to calculate any coordinate in the circular curved line or separate coordinate, and then to conduct the opposite calculation of the coordinate and at last the curved line can be located according to the layout method of polar coordinates.