CESMD |
Information for Strong-Motion Station |
Rancho Cucamonga - 4-story Justice Cntr |
CGS - CSMIP Station 23497 |
Earthquakes recorded by this station |
Latitude | 34.1044 N |
Longitude | 117.5739 W |
Elevation (m) | 364 |
Site Geology | Deep alluvium over rock (granitic) |
Vs30 (m/sec) | 390 (measured) |
Site Class | C |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 4/1 |
Plan Shape | Rectangular |
Base Dimensions | 414' x 110' |
Typical Floor Dimensions | Same as base dimensions |
Design Date | 1983 |
Instrumentation | 1985. 16 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site. |
Vertical Load Carrying System | Concrete slabs over steel decks supported on steel beams and columns, on natural rubber bearings. |
Lateral Force Resisting System | Braced steel frames isolated by laminated steel and rubber bearings. |
Foundation Type | Spread footings |
Remarks | This is the first building built on base isolators in California. |