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下穿式道路立交雨水泵站排水设计参数探讨
引用本文:张建新,吕锐,贺田富.下穿式道路立交雨水泵站排水设计参数探讨[J].给水排水,2012,38(1):30-35.
作者姓名:张建新  吕锐  贺田富
作者单位:1. 武汉市规划设计研究院,武汉,430000
2. 泛华建设集团有限公司湖北设计分公司,武汉,430000
摘    要:城市下穿式立交道路地势较低且其周边地形特殊,立交雨水泵站和下游雨水排水系统较复杂,每遇暴雨较易发生积水,严重影响正常的交通出行。以武汉市新华下路铁路立交排水为例探讨积水原因。按照常用的计算方法校核立交泵站的抽排规模,讨论设计参数取值的合理性,优化立交雨水排除系统,核算抵御极端雨季排涝能力,为国内城市立交排水提供依据。

关 键 词:城市立交系统排水  下穿式立交  雨水泵站  设计参数

Probe into design parameters of undercrossing grade separation drainage system for rainwater pump station
Zhang Jianxin , Lv Rui , He Tianfu.Probe into design parameters of undercrossing grade separation drainage system for rainwater pump station[J].Water & Wastewater Engineering,2012,38(1):30-35.
Authors:Zhang Jianxin  Lv Rui  He Tianfu
Affiliation:1.Wuhan Planning & Design Institute,Wuhan 430000,China; 2.Pan-China Group(Hubei Design Branch),Wuhan 430000,China)
Abstract:The terrain of the undercrossing grade separation road in the city is relatively low and the topography around is complicated.As a result,the grade separation rainwater pump station and down-stream rainwater drainage system is complicated and the rainwater will easily be congested during storm,which might obstruct the normal transportation seriously.Taking the Xinhua Down road undercrossing railway grade separation drainage system in Wuhan as a case study,the reasons for water congestion were analyzed.According to the normal calculation method,the drainage capability of the grade separation pump station was checked,the reasonability of design parameters selection was discussed,the grade separation rainwater drainage system was optimized,and the extreme drainage ability was also checked,which would offer references for urban grade separation drainage system in China.
Keywords:Urban grade separation drainage system  Undercrossing grade separation  Rainwater pump station  Design parameters
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