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（1北京城建集團有限責任公司土木工程總承包部，北京100088）
[摘要］隨著我國城鎮(zhèn)化率的提高，現(xiàn)有城市在不斷擴大，城市排水設施不能滿足需求，大量地面硬化及河道被侵占使得特大型城市排洪能力降低，下凹式立交橋在雨季形成積水重災區(qū)。在大交通流狀態(tài)下，積水影響道路通行能力，造成很大的問題。為解決這一難題，北京市修建了下凹式立交橋雨洪處理系統(tǒng)，充分利用地下空間徹底解決橋區(qū)積水問題。本文通過北京市十處橋區(qū)積水治理工程（蓮花橋、六里橋、五路橋、大鐘寺橋、木樨園橋、豐臺大橋、豐益橋、左安門橋、菜戶營橋、麻峪橋）的實踐，總結開發(fā)利用地下空間的經(jīng)驗，為我國城市建設發(fā)展提供有益的借鑒。
[關鍵詞］下凹式立交橋;雨洪處理系統(tǒng);橋區(qū)積水問題
中圖分類號：TU96+1 文章標識碼：A 文章編號：1002-848X(2013)S2-0016-05
作者簡介：金奕，高級工程師，學士，北京城建集團有限責任公司土木工程總承包部總工程師，Email：bucgq@163.com
Addressing urban underground space development and utilization of water problems bridge area
Jin Yi，Yu Tianen，Lai Qingshun，Xie Xiaochen
(1 Beijing Urban Construction Group Co., Ltd.,General Contracting Civil Engineering, Beijing 100088,China)
Abstract：As China's urbanization rate has increased, the expanding existing cities, urban drainage facilities can not meet the demand, a large number of surface hardening and the occupation of the river so large city drainage capacity reduction, and a sunken overpass hardest hit by water formed during the rainy season . Traffic flow in a large state, hydrocephalus affect road capacity, caused a big problem. To solve this problem, Beijing built a sunken overpass storm water treatment system, full use of underground space bridge area to solve water problems. In this paper, Beijing ten Bridge District water treatment project (Lianhua Bridge, Liuliqiao, Wulu bridges, Dazhongsi bridge, Muxiyuan Bridge, Fengtai Bridge,Fenyi bridge，Zuoanmen bridge, Caihuying bridge, Mayu bridge) practice, summed up the experience of development and utilization of underground space for China's urban construction and development to provide useful lessons.
Keywords：sunken overpass；storm water treatment systems；water problems bridge area
