CESMD

Information for Strong-Motion Station

Oakland - Oak Center Towers

CGS - CSMIP Station 58337

Earthquakes recorded by this station

 

(Station Photograph - click to enlarge)	(Sensor Layout - click to see PDF File)

   

Latitude	37.8090 N
Longitude	122.2808 W
Elevation (m)	8
Site Geology	Deep Alluvium
Vs30 (m/sec)	271 (inferred)
Site Class	C
Remarks/Notes	Site information sources

 

No. of Stories above/below ground	11/0
Plan Shape	Rectangular with 16' horizontal offset in middle of plan
Base Dimensions	200' x 84'-6"
Typical Floor Dimensions	Same as base dimensions
Design Date	1972
Instrumentation	1978: 18 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site. 2025: Reinstrumentation of the building; 32 accelerometers, on 8 levels in the building.

 

Vertical Load Carrying System	RC block shear walls in both the transverse and longitudinal directions throughout; floor systems consists of 6" x 40" precast prestressed planks spanning between transverse walls; planks are covered by 2" light-weight concrete topping.
Lateral Force Resisting System	RC block shear walls in both the transverse and longitudinal directions throughout.
Foundation Type	Spread footings under each wall.
Remarks	--