Golden Gate Bridge stiffening truss connections
Named in the records1962
8 records of San Francisco tie this place, 1962: 0 decisions of the Board of Supervisors and 8 facts read from city reports. Open the full list, with filters for years, kind and outcome.
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- 8: 0 Board decisions, 8 facts from city reports
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- 1962
What the records say
All 8 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 |
|---|---|---|---|
| 1962 | Golden Gate Bridge stiffening truss connections · finding: No fatigue advantage with higher strength steels at 2,000,000 or more cycles | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Fatigue resistance at 2,000,000 or more cycles corresponds to a stress fluctuation of approximately 20,000 psi | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Fatigue resistance at 100,000 cycles for silicon steel: total fluctuation approximately 30,000 to 35,000 psi | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Fluctuations corresponding to less than about 15,000 psi for any cycle would have no influence on endurance | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Stress fluctuations above 40,000 psi would occur rarely, possibly not as often as several times per year (rapid transit loading estimate) | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Stress fluctuations of 25,000 to 30,000 psi might occur several times per month (rapid transit loading estimate) | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Stress fluctuations of 20,000 to 25,000 psi might occur about ten times per day (rapid transit loading estimate) | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss connections · finding: Stress fluctuations of 10,000 to 20,000 psi might occur 100 to 200 times per day (rapid transit loading estimate) | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
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