This paper introduces a method of curve setting out in route construction, in which 2 or 3 control points are placed at the intersected point of the curve.
本文论述了在路线工程曲线段“交点”附近设立2 ~ 3个能相互通视的控制点对曲线段进行较高精度放样的新方法。
The paper deduces the calculation formula of parallel sidelines of spiral curve, and proves two characters of parallels sidelines. It can be applied to instruct actual setting-out work.
推导了缓和曲线的平行边线弧长计算公式，证明了平行边线的两个性质，对实际线路测设工作有指导意义。
This paper presents two kinds of new methods for setting out circular curve: free angle and tangent length method.
介绍了测设和检验圆曲线的两种新方法：任意角夹角法和任意切线长支距法。
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