摘要
以上海市某排水片区为研究对象,利用ArcGIS空间分析功能及计算机模拟技术建立区域排水系统模型,对该区域排水系统的地面积水情况进行了数值模拟。降雨历时取为2h,重现期分别为5a和100a的两类暴雨过程,通过计算得到该地区在不同设计暴雨雨型下的积水情况,并通过充满度指标对新建排水系统的排水能力进行了评估。研究结果为该地区地下管网的设计方案提供了技术指导。
Taking drainage system in Shanghai as the object,the drainage system model of catchment is established with the spatial analysis function of ArcGIS and computer simulation technology.The urban waterlogging situation of the drainage system is simulated.Two types of rainstorm processes with rainfall duration of 2 hours,recurrence periods of 5 years and 100 years are used to calculate water accumulation under different design rainstorm patterns in this area respectively.Drainage capacity of the new drainage system is evaluated by depth ratios index.Simulation results provide a theoretical basis and technical guidance for the design.
作者
顾潇
谭显英
陶贤成
GU Xiao;TAN Xianying;TAO Xiancheng(Shanghai Municipal Engineering Design Institute (Group) Co.,Ltd.,Shanghai 200092,China)
出处
《净水技术》
CAS
2019年第A01期356-359,共4页
Water Purification Technology
