CESMD |
Information for Strong-Motion Station |
Santa Barbara - Gilbraltar Dam |
CGS - CSMIP Station 25255 |
Earthquakes recorded by this station |
Latitude | 34.5269 N |
Longitude | 119.6872 W |
Elevation (m) | 421 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
Dam Height | 195' (59.4m) |
Plan Shape | Single arch |
Crest Length | 550' (167.6m) |
Crest Width | 7' (2.1m) |
Construction Date | 1920 |
Instrumentation | 1991, 13 accelerometers, on crest, toe and abutment plus free field |
Superstructure Type | -- |
Dam Type | Concrete arch dam |
Foundation Type | -- |
Remarks | The dam was strengthened in 1990/91 by adding a roller-compacted concrete (RCC) buttress at the downstream side. The repair scheme was developed by Woodward-Clyde Consultants in 1983. |