城市排水管网运行问题识别及改进措施研究

Study on identification of urban drainage pipe network operationissues and improvement measures

为了更好地解决城市排水管网运行过程中存在的问题,以典型片区A为研究对象,基于在线监测数据,采用排水模型对管网系统运行状况进行模拟分析。在特定降雨模拟情景下,超负荷运行和排水不畅成为城区管网维护的突出问题,分析认为片区内存在上述问题与地面硬化率、管道坡度和管径等因素存在直接关系,可通过低影响开发有效降低不利因素产生的影响。研究成果可有效降低后期经济方面的投入,对管网系统的维护管理具有一定的借鉴作用。

In order to better address issues in the operation of urban drainage networks,a study focusing on the typical area A was conducted.Based on online monitoring data,drainage models were employed to simulate and analyze the operational conditions of the network system.Under specific rainfall simulation scenarios,problems such as overloading and poor drainage had become prominent challenges in the maintenance of urban networks.The analysis presented a direct correlation between these problems in the area and factors,such as surface hardening,pipe slope,and diameter.These issues could be effectively mitigated through the implementation of Low Impact Development techniques,reducing the adverse impacts of these factors.These research findings could contribute to reduce future economic investments and provide valuable insights for the maintenance and management of drainage network systems.