Description:Nanjing subway station is designed as 2-bay and 2-storey underground island platform station. The headroom of basement two is 6.28m, and basement one is 4.85m. The main structure of the station is constructed by using open cut method, and 2-bay and 2-storey underground box structure. The dimension of main components: roof thickness 800mm, top girder 800×1800 mm、900×1700（1800）mm、1000×1800 mm, plate thickness 400mm, longitudinal beam 900*800mm.
During the main structure construction process, all formwork support adopt Rapid disk lock steel tubular scaffold (herein below called “Rapid scaffolding”), which overcomed questions, like the plate is too thick, the size of beam section is too big, and so on.
