CESMD |
Information for Strong-Motion Station |
Palo Alto; Channing House; Structure Array |
NSMP Station 1811 |
Earthquakes recorded by this station |
Latitude | 37.4464 N |
Longitude | 122.1540 W |
Elevation (m) | 13 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Stories above/below ground | 10/1 |
Plan Shape | irregular (2 wings that meet in a wide V) |
Base Dimensions | Two 180 ftx70 ft wings |
Typical Floor Dimensions | Two 180 ftx70 ft wings |
Design Date | 1966 |
Instrumentation | 2001, 30 accelerometers on three levels of building. |
Vertical Load Carrying System | Concrete slab supported by reinforced beams and columns. |
Lateral Force Resisting System | Originally a non-ductile reinforced concrete frame system with shear walls at both ends of the building and center core. |
Foundation Type | Spread foundation |
Remarks | The building was retrofitted in 1991 with a total of 120 base isolators |