Seismic responses of two adjacent buildings. I. Data and analyses
Journal of Structural Engineering
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Abstract
In this two-part paper, responses of two, adjacent, seven-story buildings in Norwalk, California, to the Whittier-Narrows, Calif, earthquake of Oct. 1, 1987 are studied. Building A, instrumented according to code recommendations, and building B, extensively instrumented, are offset by 16.3 m from one another. The data set includes motions from the superstructure of both buildings, from a downhole below the foundation of building B, and from three free-field sites. Part I of the paper includes descriptions of the buildings, site, instrumentation, and analysis of the data of each building. System identification and spectral analysis techniques are employed in part I. Building A has identical first-mode frequencies of 0.65 Hz for both building axes. The strong-motion response characteristics of building A are considerably different than those determined from low-amplitude tests. Building B has fundamental modes at 0.76 Hz and 0.83 Hz in the major and minor axes, respectively. Torsional and diaphragm effects in building B are negligible.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Seismic responses of two adjacent buildings. I. Data and analyses |
| Series title | Journal of Structural Engineering |
| DOI | 10.1061/(ASCE)0733-9445(1993)119:8(2461) |
| Volume | 119 |
| Issue | 8 |
| Year Published | 1993 |
| Language | English |
| Publisher | ASCE |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Structural Engineering |
| First page | 2461 |
| Last page | 2476 |
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