Effect of Different Types of Middle Columns on the Seismic Performance of Single-Story Subway Station Structure

Figure 17

Time history of axial force for the key nodes of the station subjected to the Kobe wave with PBA = 0.3 g and 0.5 g. (a) Axial force on the top of the middle column (PBA = 0.3 g). (b) Axial force on the top of the middle column (PBA = 0.5 g). (c) Axial force on the bottom of the middle column (PBA = 0.3 g). (d) Axial force on the bottom of the middle column (PBA = 0.5 g).

(a)

(b)

(c)

(d)