Taking Dongpu overpass municipalized transformation and capping engineering in Guangzhou as an example,the paper puts forward new concept of overpass municipalized transformation concept by intensively using urban land,studies the structural design,drainage design, ventilation design and firefighting design,and finally summarizes advantages of the project transformation concept.%以广州东圃立交市政化改造及加盖工程为例，提出了一种集约利用城市土地的立交市政化改造全新思路，并对结构设计、排水设计、通风设计及消防设计进行了研究，总结了该项目改造思路的优势。
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