CESMD |
Information for Strong-Motion Station |
Pomona - 2-story Commercial Bldg |
CGS - CSMIP Station 23511 |
Earthquakes recorded by this station |
Latitude | 34.0563 N |
Longitude | 117.7497 W |
Elevation (m) | 257 |
Site Geology | Deep alluvium |
Vs30 (m/sec) | 287 (measured) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 2/1 |
Plan Shape | Rectangular |
Base Dimensions | 100' x 120' |
Typical Floor Dimensions | Same as base dimensions |
Design Date | approx. 1971 |
Instrumentation | 1986. 10 accelerometers, on 3 levels in the building. 3 accelerometers at a reference free-field site. |
Vertical Load Carrying System | Reinforced concrete slab supported on concrete beams and columns. |
Lateral Force Resisting System | Reinforced concrete slab diaphragm and perimeter ductile concrete moment resisting frame. |
Foundation Type | Cast-in-place concrete piles |
Remarks | -- |