| Abstract: | The magnitude 6. 1 Morgan Hill, California, earthquake of April 24, 1984, produced a set of acceleration records at the freeway overpass in San Jose carrying I-280/I-680 across U. S. 101, 12 km from the epicenter. Peak accelerations reached 0. 10 g at ground level and 0. 16 g in the box girder. The integrated displacements at frequencies higher than 3 Hz permit the identification of the fundamental modes and frequencies. The horizontal modes have frequencies of 308 and 3. 9 Hz and include ground level motions up to 90% of peak deck motion. The soil-structure system contributes to these modes. |
| Genre: | Conference Paper |
| ProdID: | 70014563 |
| Citation Author: | Brady, A. G.; Celebi, M. |
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| Citation End Page: | 2235 |
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| Citation Language: | English |
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| Citation Number Of Pages: | 11 |
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| Citation Publisher: | Earthquake Engineering Research Inst |
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| Citation Search Results Text: | FUNDAMENTAL MODAL BEHAVIOR OF AN EARTHQUAKE-EXCITED BRIDGE.; 1986; Conference Paper; Brady, A. G.; Celebi, M. |
| Citation Start Page: | 2225 |
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| Citation Year: | 1986 |
| Type: | citation/reference |
| Text: | FUNDAMENTAL MODAL BEHAVIOR OF AN EARTHQUAKE-EXCITED BRIDGE.; 1986; Conference Paper; Brady, A. G.; Celebi, M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Wed, 1 Jan 1986 00:00 -0600 |
| Publisher: | Earthquake Engineering Research Inst |
