1. Design Spectra

3. “Acceleration Controlled”

4. “Acceleration Controlled”
“Velocity Controlled”

5. “Acceleration Controlled”
“Velocity Controlled”
“Displacement Controlled”

6. Response Spectrum “Acceleration Controlled” “Velocity Controlled”
“Displacement
Controlled”

7. Design Spectrum “Acceleration Controlled” “Velocity Controlled”
“Displacement
Controlled”

8. Normalized Response Spectrum: Note that the Response always exceeds the earthquake motion

9. Constructing a Standard Design Spectrum

10. Constructing a Standard Design Spectrum

11. Frequency Content Comparisons

12. Frequency Content Comparisons

13. Frequency Content Comparisons

14. Frequency Content Comparisons
El Centro
Mexico City

15. Frequency Content Comparisons
El Centro
Mexico City
(Typical Geo Conditions)
(Soft Geo Conditions)