Abstract
Lead-rubber bearings are seismic isolators that have been used extensively to protect buildings, bridges, and mission-critical infrastructure from the damaging effects of earthquake shaking. In bridges, lead-rubber bearings are subjected to continuous movement due to service (traffic) and temperature effects. This paper presents data on the effects of cumulative travel on the mechanical properties of lead-rubber bearings based on an experimental investigation of both medium- and small-sized bearings. A theoretical interpretation of the test results is presented.
| Original language | English |
|---|---|
| Pages (from-to) | 491-501 |
| Number of pages | 11 |
| Journal | Journal of Structural Engineering |
| Volume | 136 |
| Issue number | 5 |
| DOIs | |
| State | Published - 2010 |
Keywords
- Characteristic strength
- Cumulative travel
- Earthquakes
- Isolation
- Lead
- Lead-rubber bearing
- Recrystallization
- Rubber
- Seismic effects
- Service load
- Service loads
- Strain hardening
- Thermal factors
- Thermal load
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