CESMD |
Information for Strong-Motion Station |
San Francisco - 30-story Office Bldg |
CGS - CSMIP Station 58578 |
Earthquakes recorded by this station |
Latitude | 37.7909 N |
Longitude | 122.3967 W |
Elevation (m) | -- |
Site Geology | Deep alluvium over rock (Franciscan) |
Vs30 (m/sec) | 243 (measured) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 29/4 |
Plan Shape | Square |
Base Dimensions | 137 x 135 ft |
Typical Floor Dimensions | 120 x 127 ft |
Design Date | 2012 |
Instrumentation | 2015, 21 accelerometers on 7 levels in the building. |
Vertical Load Carrying System | Post-tensioned reinforced concrete flat slab supported by concrete columns and concrete shear walls |
Lateral Force Resisting System | Reinforced concrete core shear walls. The core is interconnected with the use of ductile reinforced concrete link beams at openings. |
Foundation Type | Reinforced concrete mat foundation (10' in thickness). |
Remarks | Structural design was based on the 2010 California Building Code and performanced based seismic design. |