道路开口式排水口排水能力分析

利用水力学原理和经验公式,对不同形式的边沟流量和开口式排水口在连续坡度上及凹形竖曲线底部的排水能力进行了水力计算,并采用修正法计算了不同形式的边沟水流量。对排水口排水能力的水力计算,综合考虑了边沟形式、边沟内水流量、铺面横坡、道路纵坡等因素,得出了排水口排水能力在不同条件下的变化规律。

Analysis of Water Drainage Capacity by Road Open Outlet

In this paper,hydraulics principle and empirical formula are used in hydraulic calculation of flow in different forms of side ditches and water drainage capability of open water outlet in continuous gradient and concave vertical curve bottom.Modification method is adopted to calculate water flow in different forms of side ditches.Hydraulic calculation for water drainage capability of water outlet takes comprehensive consideration of factors such as side ditch form,water flow inside side ditch,pavement lateral gradient,etc.,so to conclude the changing rules of water drainage capability of outlet under different conditions.