摘要
针对既有铁路提速后曲线整正的实际要求,抛弃传统的渐伸线原理,利用测点坐标直接进行曲线整正.在保证拨正前后轨道长度保持不变的前提下,利用切曲差的关系表达式,自动计算半径和缓和曲线长度,并通过算例验证算法的可行性.该算法尤其适合无缝线路地段的曲线整正设计,具有较好的应用前景.
According to the actual requirements of the curve realignment after the existing railway speed increasing, the traditional theory of involutes is abandoned and the coordinate measurement is used to directly realign curves. On the premise of ensuring the length of the track unchanged, the relational expression on the difference of the tangent and curve is adopted to automatically calculate the length of the radius and relaxation curves, and the feasibility of the algorithm is testified by the calculation results. The algorithm is especially suitable for the curve realignment design of CWR,and it has good prospects.
出处
《兰州交通大学学报》
CAS
2008年第1期11-13,共3页
Journal of Lanzhou Jiaotong University
关键词
曲线整正
坐标测量
切曲差
curve realignment
coordinate measurement
difference of the tangent and curve
