关键词: 盖挖法, 钢管柱, 十字型钢柱, 先插法 

Abstract:

Due to the large construction quantity and tight construction schedule, the new technologies of steel pipe columns and cross steel columns are used in the construction of Cultural Center Station of Tianjin Metro and Citizen Square Station of Wuxi Metro respectively. The new technologies used are presented and the accuracy, construction schedule and efficiency of these two technologies are evaluated in the paper. In the end, great efficiency is achieved. The paper can provide reference for similar projects in the future.

Key words: cut and cover method, steel pipe column, cross steel column, steel pipe installing method