Advances in Seismic Design Methodologies - Earthquake Engineering for Structural Design - page 410

410 Earthquake Engineering for Structural Design

S a /g

2%

5%

10%

Figure 9.15 Influence of structural damping (after Oliveto and Marletta, 2005)

Intraplate (near-source)
Intraplate(far-source)

S a Interplate

Time (sec)

Figure 9.16 Spectra for intraplate (near and far-source) and interplate earthquakes