Effect of Near-Fault Pulsed Ground Motions on Seismic Response and Seismic Performance to Tunnel Structures

Figure 7

The ground motions selected from the PEER. (a) The distribution relationship between PGA and the epicentral distance of selected seismic. (b) The response spectrum of near-fault pulsed ground motions. (c) The response spectrum of far-field ground motions.

(a)

(b)

(c)