This paper studied the design of scupper spacing of deck in verticalcurve with the basic principle of hydraulic and hydrologic compute.
利用水力水文计算基本原理，研究了竖曲线内桥面泄水孔间距。
2
Under Galilean transformations, expressions of Veloeities and accelerations in verticalcurve Coordinates are derived by the ingenious use of Zero Vector and means of matrix.
在伽例略变换下，巧妙利用零矢量，给出了任意正交曲线坐标系中质点速度和加速度的矩阵表式方法。
3
So the relationship between longitudinal gradient, grade length limit, verticalcurve and safety is analyzed, which can be referred to improve the safety and optimize the profile design.