Ambient response of a unique performance-based design tall building with dynamic response modification features
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Abstract
A 64-story, performance-based design building with reinforced concrete core shear walls and unique dynamic response modification features (tuned liquid sloshing dampers and buckling-restrained braces) has been instrumented with a monitoring array of 72 channels of accelerometers. The responses of the building to ambient motions from ground or wind were recorded and analyzed to identify modes and associated frequencies and damping. Not unexpectedly, the low-amplitude dynamic characteristics are considerably different than those computed from design analyses. Nonetheless, these computed values serve as a baseline against which to compare future strong shaking responses. Such studies help to improve our understanding of the effectiveness of the response modification features at various levels of shaking, to evaluate the predictive capabilities of the design analysis tools and to improve similar designs in the future.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Ambient response of a unique performance-based design tall building with dynamic response modification features |
| Series title | The Structural Design of Tall and Special Buildings |
| DOI | 10.1002/tal.1093 |
| Volume | 22 |
| Issue | 10 |
| Year Published | 2013 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Earthquake Science Center |
| Description | 14 p. |
| First page | 816 |
| Last page | 829 |
| Country | United States |
| State | California |
| City | San Francisco |
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