CESMD |
Information for Strong-Motion Station |
Los Angeles - 52-story Office Bldg. |
CGS - CSMIP Station 24602 |
Earthquakes recorded by this station |
Latitude | 34.0507 N |
Longitude | 118.2595 W |
Elevation (m) | 89 |
Site Geology | Alluvium over rock (sedimentary) |
Vs30 (m/sec) | 500 (measured) |
Site Class | C |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 52/5 |
Plan Shape | Square with clipped corners |
Base Dimensions | 274 x 263 ft (83.5 x 80.2 m) |
Typical Floor Dimensions | 156 x 156 ft (47.5 x 47.5 m) |
Design Date | 1988-90 |
Instrumentation | 1990. 20 accelerometers, on 7 levels in the building. |
Vertical Load Carrying System | 3 - 7 in. (7.6 - 17.8 cm) concrete slabs on steel deck supported by steel frames. |
Lateral Force Resisting System | Concentrically braced steel frames at the core with outrigger moment frames in both directions |
Foundation Type | Concrete spread footings, 9 to 11 ft (2.7 - 3.3 m) thick. |
Remarks | -- |