单拱单柱双层新型结构形式在蒲黄榆地铁车站中的应用

Application of new structure in Puhuangyu Metro Station

北京地铁五号线蒲黄榆车站成功地采用了暗挖法施工方案和单柱单拱双层结构形式,实践证明,这种施工方法和结构形式是安全、可行的。文章介绍了施工方案和结构形式的选定、施工过程的模拟分析,以及结构设计计算结果等,并提出了问题和建议。

Puhuangyu Station on Beijing metro line 5 is a two - storey structure with single arch and one row of columns which was build successfully by employing mining method. As indicated by practice, both the building techniques and the structure are safe and adaptable. The paper introduces the selection of the construction options and the structures, simulation analysis of the construction process and the results of structural analyses, with some suggestions and problems put forward.