纵坡指的是路线纵断面上同一坡段两点间的高差与其水平距离之比,以百分率表示。顺着公路前进方向的上下坡,叫公路纵坡。它与汽车的动力特性、安全正常有很大关系。公路纵坡包含最大纵坡、最小纵坡、最大(或陡坡)的缓坡,以及相应坡长。
纵坡线 [建] grade line
最大纵坡 maximum longitudinal gradient
纵坡度 Longitudinal Grade ; longitudinal gradient
最小纵坡 minimum longitudinal gradient
纵坡折减 grade compensation
桥面纵坡 deck profile grade
坝顶纵坡 profile grade of dike crest ; longitudinal slope of dike crest
纵坡基线 Profile Grade Line
堤顶纵坡 levee grade ; grade of levee
长大纵坡 Large Longitudinal Slope
According to the equations related and the car’s driving characteristics and the most adverse vertical slope of the road, safe limit speed under the several visibilities are figured out.
5、利用有关公式并根据汽车的行驶特性和道路纵坡的最不利情况计算出了几种能见度条件下的安全限速值。
参考来源 - 高速公路行车环境对交通安全的影响分析During the course of design and construction of highway, for the purpose of length, turning radius and longitudinal gradient, we have to construct a lot of high slope engineerings.
在公路的设计、建设过程中,为满足直线长度、转弯半径及纵坡的坡度等要求,不得不劈山填谷,从而形成大量的高边坡工程。
参考来源 - 遗传算法在边坡稳定性评价中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
为指导维修养护,须监测结构物附近的纵坡差;
The longitudinal gradient difference near structures should be measured to guide repair and maintenance of highway.
利用汽车行驶理论,分析了车辆在纵坡上的减速距离;
Deceleration distance of longitudinal slopway was analyzed based on the theories of vehicle.
分析结果表明,公路纵坡对路面结构受力的影响不明显。
The results of the analysis show that the highway longitudinal grade had little influence on pavement performance.
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