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为提高市政雨水管道应对超标降雨的能力,降低内涝发生的机率,提出在雨水管道系统上设置泄流式检查井,将管道中部分雨水泄流至绿化带、隔离带下渗透,或蓄存于附近水体中,可显著提高雨水管道的排水能力。详细介绍了泄流式检查井的工作原理及井体结构、泄流方式、检查井数量的设计方法,并以徐州市某雨水管道工程为例,分析了泄流式检查井应对超标降雨的能力。
In order to improve the ability of municipal stormwater pipes to cope with excessive rainfall and reduce the probability of waterlogging, it is proposed to set up a discharge inspection well on the stormwater pipeline system, to drain part of rainwater in the pipeline to the green belt, permeate under the isolation belt, In the vicinity of the water, it can significantly improve the drainage capacity of the rainwater pipeline. The working principle of discharge inspection well and the design method of well body structure, discharge method and inspection well quantity are introduced in detail. Taking a rainwater pipeline project in Xuzhou as an example, the paper analyzes the ability of discharge inspection well to deal with excessive rainfall .