Research Article

Effects of Structural and Seismic Factors on the Constant-Strength Ductility Spectra Based on NGA-West2 Database

Table 3

Classification results of ground motion records based on earthquake magnitude.

Site typeM < 55 ≤ M < 66 ≤ M < 7M ≥ 7

Stiff soil site3015561441552
Soft soil site2265891323547