 |  |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Rancho Cucamonga - 4-story Justice Cntr |
| CGS - CSMIP Station 23497 |
| Earthquakes recorded by this station |
| |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| 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. |