| TABLE OF CONTENTS |
|---|
| 1. | Introduction | 1
|
| 2. | Scissor-Jack-Damper Theory | 2 |
| 3. | Magnification Factor and Forces in Scissor-Jack System | 5
|
| 4. | Damping Ratio and Period of Structure with Damping System | 8
|
| 5. | Experimetal Program | 11
|
| 6. | Testing of Frame with Scissor-Jack System | 13
|
| 7. | Identification of Dynamic Characteristics | 16
|
| 8. | Earthquake Simulator Testing | 17
|
| 9. | Analytical Prediction of Response History | 20
|
| 10. | Simplified Analysis | 20
|
| 11. | Conclusions | 24
|
| 12. | Acknowledgements | 25
|
| 13. | References | 25
|
| 14. | Figures |
|
| 14.1. | Figure 1 | 3
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| 14.2. | Possible Installation Configurations of a Scissor-Jack-Damping System | 5
|
| 14.3. | Analysis of Scissor-Jack Movement and Analysis of Forces | 6
|
| 14.4. | Tested Scissor-Jack-Damper Configuration | 12
|
| 14.5. | Model with Scissor-Jack Damping System on the Buffalo Earthquake Simulator | 13
|
| 14.6. | Representation of Structure for Simplified Analysis | 22
|
| 15. | Graphs |
|
| 15.1. | Dependency of the Magnification Factor on the Scissor-Jack Geometry | 7
|
| 15.2. | Peak Force Versus Peak Velocity Relation of Tested Fluid Viscous Dampers | 14
|
| 15.3. | Recorded Response of Frame When Subjected to Lateral Joint Displacement | 15
|
| 15.4. | Amplitude of Transfer Function of Model Structure with Rigid-Simple and Simple-Rigid Connections | 16
|
| 15.5. | Graph 5 |
|
| 15.6. | Graph 6 |
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| 16. | Tables |
|
| 16.1. | Identified Dynamic Characteristics of Model Structure with and without Scissor-Jack-Damper System | 17
|
| 16.2. | Peak Response of Model in Earthquake Simulator Testing | 18 |
