Golden Gate Bridge approach structures
Named in the records1970–1990
10 records of San Francisco tie this place, 1970–1990: 0 decisions of the Board of Supervisors and 10 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 10: 0 Board decisions, 10 facts from city reports
- Years
- 1970–1990
What the records say
All 10 records, in date order. The one-line summaries were written by a language model from the printed page; open the page to check the wording.
| When | What the record says | Outcome | Source |
|---|---|---|---|
| 1970 | Golden Gate Bridge approach structures · other: bracing added | measure | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1982 | Golden Gate Bridge approach structures · event: Seismic upgrade in which restrainers were installed across the bearings of the approach structures | event | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · recommendation: Structural retrofitting of the approaches prior to a strong earthquake to minimize damage potential | recommendation | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: Some risk of damage in an earthquake of [name withheld] magnitude greater than 7 centered near the bridge site | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: High levels of damage expected in a [name withheld] magnitude 8 or greater earthquake centered near the bridge | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: Risk of collapse or impending collapse after such an event | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: displacement capacities of the bearings and joints currently in the structure are insufficient | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: Structures are vulnerable to ground motion excitation | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · finding: severely overstressed under strong seismic forces; restrainers may not be effective | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach structures · other: three-dimensional linear computer models of each entire structure developed for seismic response analysis | action | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
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