Research Article

Seismic Acceleration Spectrum of Ground Surface under Urban Subway Tunnels with Circular Cross Sections in Soil Deposits Based on SSI

Figure 12

Average spectral accelerations for models with the presence of a tunnel (SF) at distances of zero, 5.83, 10.50, 15.17, 26.83, 38.5, and 51.33 meters from the center of the tunnel projection onto the ground surface and their comparison.