【摘要】 在双向不等的纵坡上 ,巧妙运用平曲线设计中的切基线线型 ,设计标高对等的桥梁(竖曲线 )对称结构 ,同时给出对应设计顶点的位移计算更多还原

【Abstract】 On a two way unequal longitudinal slope, a tangential datum, usually for plane curve design, is now used for the design of the symmetrical structure of a bridge with equivalent elevations (vertical curve), and at the same time calulation is provided for the displacement corresponding to the design vertex.更多还原