摘要
公路超高设计计算中较有难度的是超高缓和段长度的确定、公式中参数的确定以及超高缓和段长度小于缓和曲线长度时超高缓和段的设置问题等。本文就这些问题从行车受力、路容美观、路面排水及施工可行性等方面进行了分析和讨论,阐明了设计计算的步骤和方法。
There are some difficulties in highway superelevation design, especially in how to ascertain the length of superelevation runoff and the parameter in formula and how to superelevate a curve when the length of superelevation runoff is shorter than that of transition curve, and so on. This article mainly focuses on these questions from the forces on a running vehicle, esthetics of road, pavement drainage, and construction feasibility. It presents the process and method on design calculation, and some useful advice for superelevation design.
出处
《交通科技与经济》
2005年第2期7-8,41,共3页
Technology & Economy in Areas of Communications
关键词
超高设计
公路
缓和曲线长度
路面排水
行车
受力
施工
难度
有关问题
设置问题
superelevation
length of superelevation runoff
types of superelevation transition
curve superelevating
gradual change of superelevation runoff
