Loma Prieta response of an eccentrically braced tall building
By: M. Çelebi
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Abstract
Acceleration response records obtained during the October 17, 1989 Loma Prieta earthquake [Ms = 7.1] from the 47-story, eccentrically braced Embarcadero Building (No. 4) [EMB], located in San Francisco, California, are studied. The predominant response modes of the building and the associated dynamic characteristics are determined by spectral analyses and system identification techniques. The first modal frequencies are at approximately 0.19 Hz (NS) and 0.16 Hz (EW). Discontinuity of stiffness and mass at the 40th floor causes excessive drift ratios for the floors above.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Loma Prieta response of an eccentrically braced tall building |
| ISBN | 0872629104 |
| Year Published | 1993 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| Larger Work Title | Structural Engineering in Natural Hazards Mitigation |
| First page | 1545 |
| Last page | 1550 |
| Conference Title | Proceedings of the Symposium on Structural Engineering in Natural Hazards Mitigation |
| Conference Location | Irvine, CA, USA |
| Conference Date | 19 April 1993 through 21 April 1993 |
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