CESMD |
Information for Strong-Motion Station |
Santa Barbara - 3-story UCSB Office Bldg |
CGS - CSMIP Station 25213 |
Earthquakes recorded by this station |
Latitude | 34.4152 N |
Longitude | 119.8469 W |
Elevation (m) | 14 |
Site Geology | Thin alluvium over rock (sedimentary) |
Vs30 (m/sec) | 334 (inferred) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 3/0 |
Plan Shape | Rectangular |
Base Dimensions | 34' x 240' |
Typical Floor Dimensions | Same as base dimensions. |
Design Date | 1960 |
Instrumentation | 1975. 9 accelerometers, on 3 levels in the building. 3 accelerometers at a reference free-field site. |
Vertical Load Carrying System | 2-1/2" RC slab supported by RC joists spanning between RC floor beams running in transverse direction; floor beams supported by 14"x10" RC interior columns & RC and masonry block exterior columns." |
Lateral Force Resisting System | After strengthening: RC shear walls in both directions. |
Foundation Type | Caissons under exterior columns with tie-beams. 4" RC slab. |
Remarks | Building originially designed to 1/10th code seismic force. Strengthened in 1975. |