盖挖逆筑钢管中柱安装施工技术

在地铁施工中，考虑到施工过程中结构的安全性、经济性及交通影响等方面的因素，盖挖逆筑法得到广泛应用。钢管柱安装施工是盖挖逆筑法施工中的关键工序，因此重点阐述了钢管柱的安装施工方法。

The Erection Construction Techniques with the Covered Excavation and the Inverted Masonry for the Steel Pipe Columns

In the construction of the underpa ss , considering about the factors of the safety, economy, and traffic influence, e tc. of the structure in the course of the construction, the construction techniq ue with the covered excavation and the inverted masonry had been widely used. Th e erection construction technique for the steel pipe columns is a key process of the construction technique with the covered excavation and the inverted masonry , so this paper emphatically expounds the erection construction technique for th e steel pipe columns.